Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/16—Amides, e.g. hydroxamic acids
  • A61K31/165—Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide
  • A61K31/167—Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide having the nitrogen of a carboxamide group directly attached to the aromatic ring, e.g. lidocaine, paracetamol
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/33—Heterocyclic compounds
  • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
  • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
  • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
  • A61K31/506—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/33—Heterocyclic compounds
  • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
  • A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
  • A61K31/4025—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil not condensed and containing further heterocyclic rings, e.g. cromakalim
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/33—Heterocyclic compounds
  • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
  • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
  • A61K31/4164—1,3-Diazoles
  • A61K31/4178—1,3-Diazoles not condensed 1,3-diazoles and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/33—Heterocyclic compounds
  • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
  • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
  • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
  • A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
  • A61K31/444—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring heteroatom, e.g. amrinone
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/33—Heterocyclic compounds
  • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
  • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
  • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K38/00—Medicinal preparations containing peptides
  • A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
  • A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
  • A61K38/18—Growth factors; Growth regulators
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K38/00—Medicinal preparations containing peptides
  • A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
  • A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
  • A61K38/18—Growth factors; Growth regulators
  • A61K38/1825—Fibroblast growth factor [FGF]
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
  • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K9/00—Medicinal preparations characterised by special physical form
  • A61K9/0012—Galenical forms characterised by the site of application
  • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
  • A61K9/006—Oral mucosa, e.g. mucoadhesive forms, sublingual droplets; Buccal patches or films; Buccal sprays
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
  • A61P1/02—Stomatological preparations, e.g. drugs for caries, aphtae, periodontitis
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
  • A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P17/00—Drugs for dermatological disorders
  • A61P17/02—Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
  • C07D403/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing three or more hetero rings
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
  • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
  • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
  • C07D239/26—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms

Definitions

• the present invention is directed, in part, to methods of treating and/or preventing 5 mucostitis with one or more compounds, or pharmaceutically acceptable salts thereof, disclosed herein, or compositions comprising the same.
• Oral ulcerative mucositis is a common, painful, dose-limiting toxicity of chemotherapy
• the disorder is characterized by breakdown of the oral mucosa and results in the formation of ulcerative lesions. It can significantly affect nutritional intake, mouth care, and quality of life (Lalla et al., Dent. Clin. North Am., 2005, 49, 167-184;
• mucositis associated with chemotherapy or radiation treatment was a result of direct cytotoxicity on the basal epithelial cells of the alimentary tract believed to be particularly vulnerable because of their high turnover rate. It has become clear that the pathobiology of mucositis is more complex and involves interactions between the epithelial and the underlying layers and components of the mucosa including fibroblasts, endothelium and extracellular matrix 1. Five inter-related stages have been described for the pathobiology associated with oral mucositis and appear to be similar between chemotherapy and radiation- induced lesions. An initiation phase is characterized by DNA damage, reactive oxygen species generation and basal epithelial cell death.
• NF- ⁇ and p53 NF- ⁇ and p53.
• NF-kB activation results in the production of inflammatory cytokines including tumor necrosis factor (TNF), interleukin- ⁇ (EL- ⁇ ⁇ ), interleukin-6 (IL-6) and other genes that affect mucosal integrity (Sonis, Nat. Rev. Cancer, 2004, 4, 277-284; and Sonis, Crit. Rev. Oral Biol. Med., 2002, 13, 380-390).
• TNF tumor necrosis factor
• EL- ⁇ ⁇ interleukin-6
• IL-6 interleukin-6
• the primary response is amplified through positive feedback loops activating additional pro-inflammatory mediators and transduction pathways such as cyclo-oxygenase-2 (COX-2) and mitogen-activated protein kinase signaling (e.g., p38).
• COX-2 cyclo-oxygenase-2
• p38 mitogen-activated protein kinase signaling
• these pro-inflammatory responses initiate an inflammatory cascade leading to activation of matrix metalloproteinases, including MMP-1 and MMP-3, that cause further tissue damage (Tadashi, Modern Rheumatol., 2006, 16, 197-205). Ulceration then develops which damages the mucosal epithelium and creates portals for bacterial entry and colonization. This is the clinically-important stage where patients experience significant pain and debilitation. It is likely that the bacterial membrane and cell wall components,
• LPS lipopolysaccharides
• LTA lipoteichoic acid
• Palifermin (Kepivance®, recombinant human keratinocyte growth factor-1) 0 was approved for a mucositis indication in patients with hematologic malignancies receiving stem cell transplants. Its efficacy may be related to mitogenic effects on mucosal epithelium and/or alteration of cytokine profiles, including down-regulation of TNF (Logan et al., Cancer Treatment Rev., 2007, 33, 448-460). Palifermin is not widely used due in part to concerns on the potential impact of a growth factor on antineoplastic treatment.
• mucositis 5 is largely palliative.
• Available agents include topical analgesics (lidocaine), barrier devices (GelClair), or rinses (Caphosol).
• Systemic analgesics are used for symptom control and antibiotics are used to control secondary infections, and mucositis-related bacteremias and sepsis.
• Another agent proposed to be used for treatment of mucositis is NX002, which is a peptide derived from AMP-18 (see, U.S. Patent Nos. 7,910,543 and 7,629,317).
• AMPs Antimicrobial peptides isolated from organisms across the phylogenetic
• the cytotoxic activity of the cationic and amphiphilic peptides specifically targets bacteria over mammalian cells. This specificity is most likely related to fundamental differences between the two membrane types; bacteria have a large proportion of negatively charged phospholipid headgroups on their surface while the outer leaflet of mammalian cells is composed mainly of neutral lipids (Zasloff, Nature, 2002, 415, 389-395). Also, the presence of cholesterol in the animal cell membrane and other differences in lipid compositions with bacterial membranes contribute to the selectivity of the AMPs (Yang et al., J. Am. Chem. Soc, 2007, 129, 12141-12147).
• amphiphilic AMPs appear to be ideal therapeutic agents.
• significant pharmaceutical issues including poor tissue distribution, systemic toxicity, and difficulty and expense of manufacturing, have severely hampered their clinical progress.
• a series of non-peptidic mimics of the AMPs that have distinct advantages over peptides for pharmaceutical uses have been developed.
• the goal of the synthetic approach was to capture the structural and biological properties of AMPs within the framework of inexpensive oligomers (Scott et al., Curr. Opin. Biotechnol., 2008, 19,
• the present invention provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula I:
• X is O or S
• Y is a bond or a carbonyl
• Z is a bond or a carbonyl
• R 2 is -X-Ri
• R3 is
• methylene or , wherein the methylene is substituted with C1-C9 straight or branched chain alkyl, wherein the C 1 -C9 straight or branched chain alkyl is optionally substituted with one or more -NH 2 or -NH-C( NH)NH 2 ; n is 2-10; and m is 1 or 2.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula II:
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amo
• each R 2 is, independently, hydrogen, Ci. 3 alkyl, Ci -3 alkoxy, halo, or haloC].
• 3 alkyl; each R 3 is, independently, hydrogen, C]-4alkyl, C ⁇ alkoxy, halo, or and each R 4 is, independently, hydrogen, Ci -3 alkyl, Ci -3 alkoxy, halo, or haloC,. 3 alkyl.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula IV:
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula V:
• n 2-8;
• X is a bond, O or
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula VII:
• R 7 , R 8 , and R 9 are, independently, H, C,-C 8 alkyl, Ci-C 8 alkoxy, halo, OH, CF 3 , or aromatic group;
• R 1 and R 2 are, independently, H, Ci-C 8 alkyl, Ci-C 8 alkoxy, halo, OH, haloCi-Cgalkyl, or CN;
• R 3 and R 4 are, independently, carbocycle(R 5 )(R 6 ); each R 5 and each R 6 are, independently, H, Ci-Cgalkyl, Ci-C 8 alkoxy, halo, OH, CF 3 , aromatic group, heterocycle, or the free base or salt form of -(CH 2 ) conflict-NH 2 , or -(CH 2 ) complicat-NH
• n is, independently, 1 to 8.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula VIII:
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula ⁇ :
• each Q is, independently, Ft 3 or
• each R 5 is, independently, H or CF 3 .
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula X:
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XI:
• each n is, independently, 1 to 4, and each R 4 is, independently, H, Ci-C 3 alkyl, or -(CH 2 ) P -NH 2 , where each p is, independently, 1 or 2; each R 2 is, independently, H, halo, CF 3 , or C(CH3>3 ; and each V 2 is H, and each V 1 is, independently,
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XII:
• each Y is, independently, O, S, or NH
• each R 2 is, independently, H, halo, CF3, or C(CH 3 )3.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XIII:
• each R is, independently, H,
• Ci-Cgalkyl, Cj-Cgalkoxy, halo, OH, CF 3 , or CN; each R 2 is, independently, -(CH 2 ) n -NH 2 or -(CH 2 ) hinder-NH-C( NH)NH 2 , where each n is, independently, 1 to 4.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XIV:
• each X is, independently, O or S.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a
• R 1 is H or CMO alkyl
• R 2 is H or Cj.io alkyl
• m is 1 or 2.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XVI:
• R 1 is H or Ci.g alkyl
• R 2 is H or Ci.g alkyl
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a com
• R 1 is H or C ⁇ . $ alkyl
• R 2 is H or Cue alkyl
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XVIII:
• Ai and A 2 are each, independently, optionally substituted arylene or optionally substituted heteroarylene, wherein Ai and A 2 are, independently, optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s); or each Ai is, independently, independently, independently,
• R 12 is hydrogen, a PL group, or an NPL group
• R 2 is hydrogen, a PL group, or an NPL group
• each NPL group is, independently, -B(OR 4 ) 2 or
• R 3 , R 3' , and R 3" are each, independently, hydrogen, alkyl, or alkoxy;
• R 4 and R 4 are each, independently, hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or heteroaryl, wherein each of the alkyl, alkenyl, alkynyl, cycloalkyl, aryl, and heteroaryl is optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, or haloalkyl;
• each LK NPL is, independently, -(CH 2 ) p NPL- or C 2-8 alkenylenyl, wherein each of the -(CH 2 ) pN p L and C 2-8 alkenylenyl is optionally substituted with one or more substituents, wherein each substituent is, independently, amino, hydroxyl, aminoalkyl, hydroxylalkyl, or alkyl; each pNPL is, independently, an integer from 0 to 8; qlNPL and q2NPL are each, independently, 0, 1 , or 2; each PL group is, independently, halo, hydroxyethoxymethyl, methoxyethoxymethyl, polyoxyethylene, or -(NR 5 ) q ip L -U PL -LK PL -(NR 5 ) q2PL -V, wherein: R 5
• heterocycloalkyl arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl, each optionally substituted by one or more subsitutents, wherein each substituent is, independently, OH, amino, halo, Cj.6 alkyl, Ci-6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl, or heterocycloalkyl; R d and R e are, independently, H, Cj.6 alkyl, Ci_6 haloalkyl, C 2- 6 alkenyl, C 2- 6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl, wherein each of the d_6 alkyl, Ci_6 haloal
• each R 8 is, independently, hydrogen or alkyl;
• each R 7 and each R 7 are, independently, hydrogen or alkyl; or R 7 and R 7 together form -(CH2) P -, wherein p is 4 to 8;
• each R 6 and each R 6 are,
• A] and A 2 are each, independently, optionally substituted arylene or optionally substituted heteroarylene, wherein A] and A 2 are each, independently, optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s); or each A 2 is, independently, optionally substituted arylene or optionally substituted heteroarylene, and each Ai is, independently, optionally substituted C3 to C 8 cycloalkyl, wherein Ai and A 2 are each, independently, optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s);
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XX: i-[-X-A r Y-X-A 2 - Y-] ml ,-R Za
• each of the Ci-6 alkyl, Ci_6 haloalkyl, C 2 _6 alkenyl, C 2 _6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl is optionally substituted by OH, amino, halo, Ci_6 alkyl, Cj.6 haloalkyl, Ci_6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl, or heterocycloalkyl; or R d and R e together with the N atom to which they are attached form a 4-, 5-, 6-, 7-, or 8-membered heterocycloalkyl; each LK PL is, independently, -(CH 2 ) p PL- or C
• ml 1 is an integer from 1 to about 20
• ml2 is an integer from 1 to about 20.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XXI:
• heterocycloalkyl and heteroaryl is optionally substituted with one more substituents, wherein each substituent is, independently, amino, halo, cyano, nitro, hydroxy, -NH(CH2) P NH2 wherein p is 1 to 5, -N(CH2CH2NH2)2, amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl; and wherein the substituted aryl group is substituted with one more substituents, wherein each substituent is, independently, amino, halo, cyano, nitro, hydroxy, -NH(CH2)pNH 2 wherein p is 1 to 5, -N(CH2CH2NH2)2, amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl; each NPL group is, independently, -B(OR
• heterocycloalkylalkyl each optionally substituted by one or more subsitutents, wherein each substituent is, independently, OH, amino, halo, alkyl, Ci_e haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl, or heterocycloalkyl;
• R d and R e are, independently, H, C]_ alkyl, Ci_6 haloalkyl, C 2- 6 alkenyl, C 2- 6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl, wherein each of the Ci_s alkyl, Ci_6 haloalkyl, C 2 -6 alkenyl, C 2 .6 alkynyl, aryl, heteroaryl, cycloal
• qlPL and q2PL are each, independently, 0, 1, or 2; ml3 is an integer from 1 to about 10; and ml4 is an integer from 1 to about 10.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XXII:
• R 8 is hydrogen or alkyl
• Ai and A 2 are, independently, optionally substituted arylene or optionally substituted heteroarylene, wherein A] and A 2 are, independently, optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s);
• R 1 is (i) hydrogen, a polar group (PL), or a non-polar group (NPL), and R 2 is -X-Ai-X-R
• A] and A2 are as defined above, and each of which is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or (iii) hydrogen, a polar group (PL), or a non-polar group (NPL), and R 2 is -X-A'-X-R 1 , wherein A' is aryl or heteroaryl and is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or (iv) hydrogen, a polar group (PL), or a non-polar group (NPL), and R 2 is -X-
• R 5 , R 5 , and R 5 are, independently, selected from hydrogen, alkyl, and alkoxy;
• -N(CH 2 CH2NH2) 2 diazamino, amidino, guanidino, guanyl, semicarbazone, aryl, heterocycle, and heteroaryl, any of which is optionally substituted with one or more of amino, halo, cyano, nitro, hydroxy, -NH(CH 2 ) p NH2 wherein p is 1 to 4, -N(CH 2 CH2NH 2 )2, amidino, guanidino, guanyl, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl; the -(CH 2 ) P PL- alkylene chain is optionally substituted with one or more amino or hydroxy groups, or is unsaturated; pPL is 0 to 8; qlPL and q2PL are, independently, 0, 1, or 2; and m is 1 to about 20.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XXIII:
• Ai and A2 are, independently, optionally substituted arylene or optionally substituted heteroarylene, wherein: (i) A] and A2 are, independently, optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or (ii) one of Ai or A2 IS as defined above and is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); and the other of Ai or A 2 is the group -C ⁇ C(CH 2 ) P C ⁇ C-, wherein p is 0 to 8, and the -(CH 2 ) P - alkylene chain is optionally substituted with
• the -(CH 2 ) p NPL- alkylene chain is optionally substituted with one or more alkyl, amino or hydroxyl groups, or the alkylene chain is unsaturated;
• pNPL is 0 to 8;
• qlNPL and q2NPL are, independently, 0 to 2;
• PL is a polar group selected from halo, hydroxyethoxymethyl, methoxyethoxymethyl, polyoxyethylene, and
• R 5 , R 5 , and R 5" are, independently, selected from hydrogen, alkyl, and alkoxy;
• R 1 is a polar group (PL) or a non-polar group (NPL);
• R 2 is R 1 ;
• NPL is a nonpolar group independently selected from -B(OR 4 ) 2 and
• R 3 , R 3' , and R 3" are, independently, selected from hydrogen, alkyl, and alkoxy;
• R 4 and R 4 are, independently, selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, and heteroaryl, any of which is optionally substituted with one or more alkyl or halo groups;
• the -(CH 2 ) p NPL- alkylene chain is optionally substituted with one or more amino or hydroxy groups, or is unsaturated;
• pNPL is 0 to 8;
• qlNPL and q2NPL are, independently, 0, 1 , or 2;
• PL is a polar group selected from halo, hydroxyethoxymethyl, methoxyethoxymethyl, polyoxyethylene, and -(NR 5 ) q iPL-U PL -(CH 2 )pPL
• A is the residue of a chain transfer agent
• B is -[CH2-C(R u )(B i i)]-, wherein Bu is - ⁇ -Yn-Zn , wherein Xn is carbonyl
• ZHA is alkylene, arylene, or heteroarylene, any of which is optionally substituted; or ZHA is absent; and ZHB is -guanidino, -amidino, -N(R 3 )(R 4 ), or -N + (R 3 )(R 4 )(R 5 ), wherein R 3 , R 4 , and R 5 are, independently, hydrogen, alkyl, aminoal eteroaryl, heterocyclic, or aralkyl; or Zn is pyridinium
• R 1 1 is hydrogen or Ci_4 alkyl
• D is
• R is hydrogen or CM alkyl
• mi the mole fraction of D, is about 0.1 to about 0.9
• nj the mole fraction of B, is 1-mi ; wherein the compound is a random copolymer of B and D, and wherein the copolymer has a degree of polymerization of about 5 to about 50.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal utically effective
• the compounds described herein, or compositions comprising the same can be combined with other therapeutic agents, such as palifermin, or compositions comprising the same for treatment and/or prevention of mucositis.
• the present methods for treating and/or preventing mucositis can be used in a patient who receives chemotherapy and/or radiation therapy for cancer.
• the patient is receiving or will be receiving high-dose chemotherapy prior to hematopoietic cell transplantation.
• the patient is receiving or will be receiving radiation therapy for tumors of the head and neck.
• the patient is receiving or will be receiving induction therapy for leukemia.
• the patient is receiving or will be receiving conditioning regimens for bone marrow transplant.
• the patient is experiencing or will be experiencing basal epithelial cell death.
• the present invention is also directed to use of the compounds and compositions of the invention in the preparation of medicaments for treating and/or preventing mucositis.
• the present invention is also directed to use of the compounds and compositions of the invention for treating and/or preventing mucositis.
• n-membered typically describes the number of ring-forming atoms in a moiety, where the number of ring-forming atoms is n.
• pyridine is an example of a 6-membered heteroaryl ring
• thiophene is an example of a 5-membered heteroaryl ring.
• alkyl refers to a saturated hydrocarbon group which is straight-chained or branched.
• An alkyl group can contain from 1 to 20, from 2 to 20, from 1 to 10, from 1 to 8, from 1 to 6, from 1 to 4, or from 1 to 3 carbon atoms.
• alkyl groups include, but are not limited to, methyl (Me), ethyl (Et), propyl (e.g., n-propyl and isopropyl), butyl (e.g., n-butyl, isobutyl, t-butyl), pentyl (e.g., n-pentyl, isopentyl, neopentyl), and the like.
• alkylene or "alkylenyl” refers to a divalent alkyl linking group.
• An example of an alkylene (or alkylenyl) is methylene or methylenyl (-CH 2 -).
• alkenyl refers to an alkyl group having one or more double carbon-carbon bonds.
• alkenyl groups include, but are not limited to, ethenyl, propenyl, cyclohexenyl, and the like.
• alkenylenyl refers to a divalent linking alkenyl group.
• alkynyl refers to an alkyl group having one or more triple carbon-carbon bonds.
• alkynyl groups include, but are not limited to, ethynyl, propynyl, and the like.
• alkynylenyl refers to a divalent linking alkynyl group.
• haloalkyl refers to an alkyl group having one or more halogen substituents.
• haloalkyl groups include, but are not limited to, CF 3 , C2F5, CHF 2 , CCI3, CHCI2, C2CI5, CH2CF3, and the like.
• aryl refers to monocyclic or polycyclic (e.g., having 2, 3 or 4 fused rings) aromatic hydrocarbons. In some embodiments, aryl groups have from 6 to about 20 carbon atoms. In some embodiments, aryl groups have from 6 to 10 carbon atoms. Examples of aryl groups include, but are not limited to, phenyl, naphthyl, anthracenyl, phenanthrenyl, indanyl, indenyl, and the like.
• cycloalkyl refers to non-aromatic cyclic hydrocarbons including cyclized alkyl, alkenyl, and alkynyl groups that contain up to 20 ring-forming carbon atoms.
• Cycloalkyl groups can include mono- or polycyclic ring systems such as fused ring systems, bridged ring systems, and spiro ring systems.
• polycyclic ring systems include 2, 3, or 4 fused rings.
• a cycloalkyl group can contain from 3 to about 15, from 3 to 10, from 3 to 8, from 3 to 6, from 4 to 6, from 3 to 5, or from 5 to 6 ring-forming carbon atoms.
• Ring-forming carbon atoms of a cycloalkyl group can be optionally substituted by oxo or sulfido.
• cycloalkyl groups include, but are not limited to, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclopentenyl, cyclohexenyl, cyclohexadienyl, cycloheptatrienyl, norbomyl, norpinyl, norcarnyl, adamantyl, and the like.
• cycloalkyl moieties that have one or more aromatic rings fused (having a bond in common with) to the cycloalkyl ring, for example, benzo or thienyl derivatives of pentane, pentene, hexane, and the like (e.g., 2,3-dihydro-lH-indene-l-yl, or lH-inden-2(3H)-one-l-yl).
• heteroaryl refers to an aromatic heterocycle having up to 20 ring-forming atoms and having at least one heteroatom ring member (ring-forming atom) such as sulfur, oxygen, or nitrogen.
• the heteroaryl group has at least one or more heteroatom ring-forming atoms, each of which are, independently, sulfur, oxygen, or nitrogen. In some embodiments, the heteroaryl group has from 1 to about 20 carbon atoms, from 1 to 5, from 1 to 4, from 1 to 3, or from 1 to 2, carbon atoms as ring-forming atoms. In some embodiments, the heteroaryl group contains 3 to 14, 3 to 7, or 5 to 6 ring-forming atoms. In some
• the heteroaryl group has 1 to 4, 1 to 3, or 1 to 2 heteroatoms.
• Heteroaryl groups include monocyclic and polycyclic (e.g., having 2, 3 or 4 fused rings) systems. Examples of heteroaryl groups include, but are not limited to, pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl, triazinyl, furyl, quinolyl, isoquinolyl, thienyl, imidazolyl, thiazolyl, indolyl (such as indol-3-yl), pyrryl, oxazolyl, benzofuryl, benzothienyl, benzthiazolyl, isoxazolyl, pyrazolyl, triazolyl, tetrazolyl, indazolyl, 1 ,2,4-thiadiazolyl, isothiazolyl, benzothienyl, purinyl, carbazolyl, benzimi
• heterocycloalkyl refers to non-aromatic heterocycles having up to 20 ring-forming atoms including cyclized alkyl, alkenyl, and alkynyl groups, where one or more of the ring-forming carbon atoms is replaced by a heteroatom such as an O, N, or S atom.
• Hetercycloalkyl groups can be mono or polycyclic (e.g., fused, bridged, or spiro systems). In some embodiments, the heterocycloalkyl group has from 1 to about 20 carbon atoms, or 3 to about 20 carbon atoms.
• the heterocycloalkyl group contains 3 to 14, 3 to 7, or 5 to 6 ring-forming atoms. In some embodiments, the heterocycloalkyl group has 1 to 4, 1 to 3, or 1 to 2 heteroatoms. In some embodiments, the heterocycloalkyl group contains 0 to 3 double bonds. In some embodiments, the heterocycloalkyl group contains 0 to 2 triple bonds. Examples of heterocycloalkyl groups include, but are not limited to, morpholino,
• 1,3-benzodioxole benzo-l,4-dioxane, piperidinyl, pyrrolidinyl, isoxazolidinyl, isothiazolidinyl, pyrazolidinyl, oxazolidinyl, thiazolidinyl, imidazolidinyl, pyrrolidin-2-one-3-yl, and the like.
• ring-forming carbon atoms and heteroatoms of a heterocycloalkyl group can be optionally substituted by oxo or sulfido.
• a ring-forming S atom can be substituted by 1 or 2 oxo (form a S(O) or S(0)2).
• a ring-forming C atom can be substituted by oxo (form carbonyl).
• heterocycloalkyl moieties that have one or more aromatic rings fused (having a bond in common with) to the nonaromatic heterocyclic ring including, but not limited to, pyridinyl, thiophenyl, phthalimidyl, naphthalimidyl, and benzo derivatives of heterocycles such as indolene, isoindolene, 4,5,6,7-tetrahydrothieno[2,3-c]pyridine-5-yl, 5,6-dihydrothieno[2,3-c]pyridin-7(4H)-one-5-yl, isoindolin-l-one-3-yl, and 3,4-dihydroisoquinolin-l(2H)-one-3yl groups.
• Ring-forming carbon atoms and heteroatoms of the heterocycloalkyl group can be optional
• halo refers to halogen groups including, but not limited to fluoro, chloro, bromo, and iodo.
• alkoxy refers to an -O-alkyl group.
• alkoxy groups include, but are not limited to, methoxy, ethoxy, propoxy (e.g., n-propoxy and isopropoxy), t-butoxy, and the like.
• haloalkoxy refers to an -O-haloalkyl group.
• An example of an haloalkoxy group is OCF 3 .
• alkylthio refers to an -S-alkyl group.
• An example of an alkylthio group is -SCH 2 CH 3 .
• arylalkyl refers to a Ci ⁇ alkyl substituted by aryl and "cycloalkylalkyl” refers to Ci.6 alkyl substituted by cycloalkyl.
• heteroarylalkyl refers to a Ci_6 alkyl group substituted by a heteroaryl group
• heterocycloalkylalkyl refers to a Ci-6 alkyl substituted by
• amino refers to N3 ⁇ 4.
• alkylamino refers to an amino group substituted by an alkyl group.
• An example of an alkylamino is -NHCH2CH 3 .
• arylamino refers to an amino group substituted by an aryl group.
• alkylamino is -NH(phenyl).
• aminoalkyl refers to an alkyl group substituted by an amino group.
• An example of an aminoalkyl is -CH2CH2NH2.
• aminoalkoxy refers to an alkoxy group substituted by an amino group.
• An example of an aminoalkoxy is -OCH 2 CH2NH2.
• aminoalkylthio refers to an alkylthio group substituted by an amino group.
• An example of an aminoalkylthio is -SCH2CH2NH2.
• a lower acylamino is
• cyano refers to -CN.
• dialkylamino refers to an amino group substituted by two alkyl groups.
• diazamino refers to -N(NH 2 )2-
• heteroarylamino refers to an amino group substituted by a heteroaryl group.
• An example of an alkylamino is -NH-(2-pyridyl).
• hydroxyalkyl or "hydroxylalkyl” refers to an alkyl group substituted by a hydroxyl group.
• examples of a hydroxylalkyl include, but are not limited to, -CH 2 OH and -CH 2 CH 2 OH.
• nitro refers to -N0 2 .
• substitution means that substitution is optional and therefore includes both unsubstituted and substituted atoms and moieties.
• a "substituted" atom or moiety indicates that any hydrogen on the designated atom or moiety can be replaced with a selection from the indicated substituent group, provided that the normal valency of the designated atom or moiety is not exceeded, and that the substitution results in a stable compound. For example, if a methyl group is optionally substituted, then 3 hydrogen atoms on the carbon atom can be replaced with substituent groups.
• compound refers to all stereoisomers, tautomers, and isotopes of the compounds described in the present invention.
• substantially isolated refers to a compound that is at least partially or substantially separated from the environment in which it is formed or detected.
• phrases “pharmaceutically acceptable” refers to those compounds, materials, compositions, and/or dosage forms which are, within the scope of sound medical judgment, suitable for use in contact with tissues of humans and animals.
• the term “animal” includes, but is not limited to, humans and non- human vertebrates such as wild, domestic and farm animals.
• the term “contacting” refers to the bringing together of an indicated moiety in an in vitro system or an in vivo system.
• the term "individual” or “patient,” used interchangeably, refers to any animal, including mammals, such as mice, rats, other rodents, rabbits, dogs, cats, swine, cattle, sheep, horses, or primates, such as humans.
• the phrase "therapeutically effective amount” refers to the amount of active compound or pharmaceutical agent that elicits the biological or medicinal response that is being sought in a tissue, system, animal, individual or human by a researcher, veterinarian, medical doctor or other clinician.
• substituents of compounds of the invention are disclosed in groups or in ranges. It is specifically intended that the invention include each and every individual subcombination of the members of such groups and ranges.
• the term "Ci-6 alkyl” is specifically intended to individually disclose methyl, ethyl, C 3 alkyl, C 4 alkyl, C 5 alkyl, and C 6 alkyl.
• each variable can be a different moiety selected from the Markush group defining the variable.
• the two R groups can represent different moieties selected from the Markush groups defined for R.
• an optionally multiple substituent is
• substituent R can occur s number of times on the ring, and R can be a different moiety at each occurrence.
• T 1 is defined to include hydrogens, such as when T 1 is CH2, NH, etc.
• any floating substituent such as R in the above example can replace a hydrogen of the T 1 variable as well as a hydrogen in any other non-variable component of the ring.
• the compounds described herein can be asymmetric (e.g., having one or more stereocenters). All stereoisomers, such as enantiomers and diastereomers, are intended to be included within the scope of the invention unless otherwise indicated.
• Cis and trans geometric isomers of the compounds of the present invention are also included within the scope of the invention and can be isolated as a mixture of isomers or as separated isomeric forms. Where a compound capable of stereoisomerism or geometric isomerism is designated in its structure or name without reference to specific R/S or cis/trans configurations, it is intended that all such isomers are contemplated.
• Resolution of racemic mixtures of compounds can be carried out by any of numerous methods known in the art, including, for example, fractional recrystallizaion using a chiral resolving acid which is an optically active, salt-forming organic acid.
• Suitable resolving agents for fractional recrystallization methods include, but are not limited to, optically active acids, such as the D and L forms of tartaric acid, diacetyltartaric acid, dibenzoyl tartaric acid, mandelic acid, malic acid, lactic acid, and the various optically active camphorsulfonic acids such as ⁇ - camphorsulfonic acid.
• resolving agents suitable for fractional crystallization methods include, but are not limited to, stereoisomerically pure forms of a-methylbenzylamine (e.g., S and R forms, or diastereomerically pure forms), 2-phenylglycinol, norephedrine, ephedrine, N-methylephedrine, cyclohexylethylamine, 1,2-diaminocyclohexane, and the like.
• Resolution of racemic mixtures can also be carried out by elution on a column packed with an optically active resolving agent (e.g., dinitrobenzoylphenylglycine). Suitable elution solvent compositions can be determined by one skilled in the art.
• Tautomeric forms result from the swapping of a single bond with an adjacent double bond together with the concomitant migration of a proton.
• Tautomeric forms include prototropic tautomers which are isomeric protonation states having the same empirical formula and total charge.
• prototropic tautomers include, but are not limited to, ketone-enol pairs, amide-imidic acid pairs, lactam-lactim pairs, amide-imidic acid pairs, enamine-imine pairs, and annular forms where a proton can occupy two or more positions of a heterocyclic system including, but not limited to, 1H- and 3H-imidazole, 1H-, 2H- and 4H-l,2,4-triazole, 1H- and 2H- isoindole, and 1H- and 2H- pyrazole.
• Tautomeric forms can be in equilibrium or sterically locked into one form by appropriate substitution.
• Compounds of the invention also include hydrates and solvates, as well as anhydrous and non-solvated forms.
• All compounds and pharmaceuticaly acceptable salts thereof can be prepared or be present together with other substances such as water and solvents (e.g., hydrates and solvates) or can be isolated.
• Compounds of the invention can also include all isotopes of atoms occurring in the intermediates or final compounds.
• Isotopes include those atoms having the same atomic number but different mass numbers.
• isotopes of hydrogen include tritium and deuterium.
• the compounds of the invention, or salts thereof are substantially isolated.
• Partial separation can include, for example, a composition enriched in the compound of the invention.
• Substantial separation can include compositions containing at least about 50%, at least about 60%, at least about 70%, at least about 80%, at least about 90%, at least about 95%, at least about 97%, or at least about 99% by weight of the compound of the invention, or salt thereof. Methods for isolating compounds and their salts are routine in the art.
• Compounds of the invention are intended to include compounds with stable structures.
• stable compound and “stable structure” refer to a compound that is sufficiently robust to survive isolation to a useful degree of purity from a reaction mixture, and formulation into an efficacious therapeutic agent.
• the present invention also includes quaternary ammonium salts of the compounds described herein, where the compounds have one or more tertiary amine moiety.
• quaternary ammonium salts refers to derivatives of the disclosed compounds with one or more tertiary amine moieties wherein at least one of the tertiary amine moieties in the parent compound is modified by converting the tertiary amine moiety to a quaternary ammonium cation via alkylation (and the cations are balanced by anions such as CI " , CH3COO " , and
• the present invention provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula I:
• X is O or S
• Y is a bond or a carbonyl
• Z is a bond or a carbonyl
• R 2 is -X-Ri ;
• R3 is methylene or , wherein the methylene is substituted with
• n 2-10;
• n 1 or 2.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula II:
• X is O or S
• Y is O or S
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a co '
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula ⁇ :
• each D is, independently, O or S;
• each R 3 is, independently, hydrogen, Ci ⁇ alkyl, Ci. 4 alkoxy, halo, or haloC ⁇ alkyl; and each R 4 is, independently, hydrogen, Ci_ 3 alkyl, C). 3 alkoxy, halo, or
• At least one D is O. In some embodiments, each D is O.
• each R 1 is, independently, hydrogen, methyl, ethyl, methoxy, ethoxy, halo, or haloCi ⁇ alkyl. In some embodiments, each R 1 is, independently, hydrogen, methyl, methoxy, halo, or haloC ⁇ alkyl. In some embodiments, each R 1 is, independently, hydrogen, methyl, or methoxy. In some embodiments, at least one R 1 is hydrogen. In some embodiments, each R 1 is hydrogen.
• each R 2 is, independently, hydrogen, methyl, ethyl, methoxy, ethoxy, halo, or haloCi ⁇ alkyl. In some embodiments, each R 2 is, independently, hydrogen, methyl, methoxy, or halo. In some embodiments, at least one R 2 is hydrogen. In some embodiments, each R 2 is hydrogen.
• each R is, independently, hydrogen, methyl, ethyl, methoxy, ethoxy, halo, or in some embodiments, each R 3 is, independently, methyl, methoxy, halo, or haloCj_3alkyl. In some embodiments, each R is, independently, halo or In some embodiments, at least one R 3 is trifluoromethyl. In some embodiments, each R 3 is trifluoromethyl.
• each R 4 is, independently, hydrogen, methyl, ethyl, methoxy, ethoxy, or In some embodiments, each R 4 is, independently, hydrogen, methyl, methoxy, halo, or haloCi. 3 alkyl. In some embodiments, each R 4 is, independently, hydrogen, methyl, methoxy, or halo. In some embodiments, at least one R 4 is hydrogen. In some embodiments, each R 4 is hydrogen.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula IV:
• n 1 to 10;
• X is O or S
• Y is O or S
• Z is a bond, C1-C9 straight or branched alkyl, or a 1,4-cyclohexyl
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound chosen from:
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula V:
• n 2-8;
• R] is -A or -O-A, where A is C1-C9 straight or branched alkyl
• n is 4-8.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound chosen from:
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula VI:
• n 2 to 1
• Ri is H or ;
• R4 is OH, NH 2 or , where A is OH or NH 2 .
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula VII:
• R 7 , R 8 , and R 9 are, independently, H, Ci-C 8 alkyl, C r C 8 alkoxy, halo, OH, CF 3 , or aromatic group;
• R 1 and R 2 are, independently, H, Ci-Cgalkyl, Cj-Cgalkoxy, halo, OH,
• R 3 and R 4 are, independently, carbocycle(R 5 )(R 6 );
• each R 5 and each R 6 are, independently, H, Cj-Cgalkyl, Ci-Cgalkoxy, halo, OH, CF 3 , aromatic group, heterocycle, or the free base or salt form of -(CH2) shadow-NH2, or
• n is, independently, 1 to 8; or a pharmaceutically acceptable salt thereof.
• X is NH, O, or S.
• X is NH or S.
• R 1 and R 2 are, independently, H, Ci-C3alkyl, Ci-C3alko y, halo, OH, haloCi-C3alkyl, or CN.
• R 1 and R 2 are, independently, H, Ci-C3alkyl, Ci-C alko y, halo, or OH.
• R 1 and R 2 are, independently, H, Ci-C3alkyl, or halo.
• R 1 and R 2 are H.
• R 3 and R are, independently, ,
• each W, Y, and Z are, independently, C or N;
• R 3 and R 4 are, independently,
• each W, Y, and Z are, independently, C or N.
• R 3 and R 4 are,
• each W, Y, and Z are C; or each Y and Z are C and each W is N.
• each R 5 is, independently, H, Ci-C 8 alkyl, Ci-C 8 alkoxy, halo, OH, CF 3> or the free base or salt form of -(CH 2 ) hinder-NH 2 , -(CH 2 )n-NH-(CH2)n-NH 2 , or
• each R 6 is, independently, heterocycle or the free base or salt form of -(CH 2 ) hinder-NH 2 , -(CH 2 ) n -NH-(CH2)n-NH 2 , or
• n is, independently, 1 to 8.
• each R 5 is, independently, H, Ci-C3alkyl, Ci-C 3 alkoxy, halo, OH, or CF 3 ; and each R 6 is, independently, heterocycle or the free base or salt form of
• each R 5 is, independently, H, Ci-C 3 alkyl, halo, or OH; and each R 6 is, independently, heterocycle or the free base or salt form of -(CH2) shadow-NH2, where each n is, independently, 1 to 4.
• each R 5 is, independently, H, Ci-C 3 alkyl, halo, or OH;
• R 6 is, independently, 6-membered heterocycle or the free base or salt form of -(CH 2 ) n -NH2, where each n is, independently, 1 to 3.
• each R 5 is, independently, H or halo; and each R 6 is piperazinyl or the free base or salt form of -(CH 2 ) consult-NH2 where each n is, independently, 1 to 3.
• each R 5 is piperazinyl; and each R 6 is, independently, H, Ci-C 3 alkyl, Ci-C 3 alkoxy, halo, OH, or CF 3 .
• each R 5 is piperazinyl; and each R 6 is H, Ci-C 3 alkyl, halo, OH, or CF 3 .
• R 1 and R 2 are H; R 3 and R 4 are,
• each W, Y, and Z are, independently, C or N; and each R 5 and each R 6 are, independently, H, heterocycle, or the free base or salt form of -(CH2) shadow-NH2, where each n is, independently, 1 to 3.
• X is NH, O, or S
• R 1 and R 2 are H
• R 3 and R 4 are where each Z and Y are C, and each W is N; or each W, Y, and Z are C
• each R 5 is, independently, H or halo
• each R 6 is piperazinyl or the free base or salt form of
• each n is, independently, 1 to 3; or each R 5 is piperazinyl, and each R 6 is, independently, H, Ci-C 3 alkyl, Ci-C 3 alkoxy, halo, OH, or CF 3 .
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula VIII:
• X is O or S
• each Y is, independently, O, S, or N;
• X is O.
• Y is O or S.
• each R 1 is, independently, 5-membered heterocycle or the free base or salt form of -(CH 2 ) n -NH 2 , where each n is, independently, 1 to 4. In some embodiments, each R 1 is, independently, 3-pyrrolyl or the free base or salt form of -(CH 2 ) complicat-NH 2 , where each n is, independently, 1 or 2.
• each R 2 is, independently, CF3, C(CH3)3, or halo.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound chosen from:
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula IX:
• each X is, independently, O, S, or N;
• each R' is, independently, H, CF 3 , C(CH 3 ) 3 , halo, or OH;
• 3 is, independently, H, -NH-R 2 , -(CH 2 ) r -NH 2 , -NH 2 , -NH-(CH 2 ) W -NH 2 , or , where each r is, independently, 1 or 2, each w is, independently, 1 to 3, and each y is, independently, 1 or 2;
• each R 2 is, independently, H, or the free base or salt form of -(CH 2 ) n -NH 2 or
• n is, independently, 1 to 4.
• each p is, independently, 1 to 6, and each q is, independently, 1 or 2;
• each R 5 is, independently, H or CF 3 ;
• Z is
• each Q is, independently, R 3
• each X is O.
• each R 1 is, independently, H, CF3, or halo.
• each R 1 is CF 3 .
• each R 3 is, independently, -NH-R 2 .
• each R 2 is, independently, H, or the free base or salt form of -(CH 2 )n-NH 2 , where each n is, independently, 1 to 4. In some embodiments, each R 2 is, independently, the free base or salt form of -(CH 2 )n-NH 2 , where each n is, independently, 1 or 2. In some embodiments, each R 2 is the free base or salt form of -(CH 2 ) n -NH 2 , where each n is 2.
• each R 4 and each R 5 is H.
• n is, independently, 1 to 4; and each R 4 and each R 5 is H.
• each X is O; each R is CF 3 , C(CH 3 ) 3 , or halo; each R is, independently, -NH-R 2 ; each R 2 is, independently, the free base or salt form of -(CH2) shadow-NH2, where each n is 1 or 2; and each R 4 and each R 5 is H.
• Z is -O-r o O- ; each Q is, independently,
• each X is O; each R 1 is CF 3 or halo; each R 3 is, independently, -NH-R 2 ; each R 2 is the free base or salt form of -(CH 2 ) consult-NH2, where each n is 2; and each R 4 and each R 5 is H.
• Z is -Oi o O- ; each Q is, independently,
• each b is, independently, 3 or 4; and each X is me embodiments, Z is -O-r o O- ; each Q is, independently,
• each r is, independently, 1 or 2
• each w is, independently, 1 to 3
• each y is, independently, 1 or 2
• each R 4 is H
• each R 5 is, independently, H or CF 3 .
• each Q is, independently,
• each R is, independently, , where each q is, independently, 1 or 2; and each R 5 is, independently, H or CF3.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound chosen from:
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound
• n is, independently, 1 to 4.
• each R 2 is, independently, H, Cj-Csalkyl, or the free base or salt form of
• n is, independently, 1 to 4;
• each R 3 is, independently, H, CF 3 , C(CH 3 ) 3 , halo, or OH;
• G is * and each X is S.
• each R 1 is, independently, the free base or salt form of
• each R 1 is, independently, the free base or salt form of -(CH 2 ) literal-NH 2 , where each n is, independently, 1 or 2. In some embodiments, each R 1 is the free base or salt form of -(CH 2 ) n -NH2 » where each n is 2.
• each R 2 is, independently, Ci-C 3 alkyl or the free base or salt form of -(CH 2 ) n -NH 2 where n is 1 to 4. In some embodiments, each R 2 is, independently, Ci-C3alkyl or the free base or salt form of -(CH2) n -NH2, where each n is, independently, 1 or 2. In some embodiments, each R 2 is, independently, methyl or the free base or salt form of -(CH 2 ) relieve-NH2, where each n is, independently, 2. In some embodiments, each R 2 is methyl or the free base or salt form of -(CH2) n -NH 2 , where each n is 2.
• each R 3 is, independently, CF3, C(CH 3 )3, or halo. In some embodiments, each R 3 is CF 3 .
• n is, independently, 1 to 4.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound chosen from:
• the compound used for treating and/or preventing mucositis is not Compound Y.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XI:
• each n is, independently, 1 to 4, and each R 4 is, independently, H, Ci-C3alkyl, or -(CH2) P -NH 2 , where each p is, independently, 1 or 2;
• each R 2 is, independently, H, halo, CF 3 , or C(CH 3 )3;
• each X is S.
• each R 1 is, independently, -(CH 2 ) n - H 2 or
• each R 2 is, independently, H, Br, F, CI, CF3, or C(CH3)3. In some embodiments, each R 2 is Br, F, CI, CF3, or C(CH3) 3 .
• each V 1 is H and each V 2 is, independently, -S-R 5 , where each R 5 is,
• each V 1 is H and each V 2 is -S-R 5 , where each R 5 is -(CH 2 ) disguise-NH 2 or
• each X is S; each R 1 is, independently, -(CH 2 ) n -NH 2 , where each n is, independently, 1 or 2; each R 2 is, independently, CF 3 or C(CH 3 )3j and each V 1 is H and each V 2 is, independently, -S-R 5 , where each R 5 is, independently, -(CH 2 ) distract-NH 2 , where each n is, independently, 1 or 2.
• each X is S; each R 1 is -(CH2) n -NH2, where each n is 1 or 2; each R 2 is, independently, CF 3 or C(CH 3 ) 3 ; and each V 1 is H and each V 2 is -S-R 5 , where each R 5 is -(CH2) shadow-NH2, where each n is 1 or 2.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound chosen from:
• the compound used for treating and/or preventing mucositis is not Compound Z.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Fo
• each Y is, independently, O, S, or NH;
• each R 2 is, independently, H, halo, CF 3 , or C(CH 3 )3;
• each Y is, independently, O, or S. In some embodiments, each Y is O or S.
• each R 1 is, independently, -(CH 2 ) n -NH 2 , where each n is, independently, 2 to 4. In some embodiments, each R 1 is -(CH 2 ) n -NH 2 , where each n is 2 to 4.
• each R 2 is, independently, halo, CF3, or C(CH3)3. In some embodiments, each R 2 is halo, CF 3 , or C(CH 3 ) 3 .
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound which
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula ⁇ :
• each R 1 is, independently, Cj-Cgalkyl, halo, OH, CF 3 , or CN. In some embodiments, each R 1 is, independently, Ci-C3alkyl, halo, CF 3 , or CN. In some embodiments, each R 1 is methyl or halo. In some embodiments, each R 1 is Br, F, or CI.
• each R 1 is methyl or halo; and each R 2 is
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound which is:
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XIV:
• n is, independently, 1
• each X is, independently, O or S;
• D is N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-phenyl
• each X is S.
• each B is, independently,
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a c
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a
• R 1 is H or Ci.io alkyl
• R 2 is H or Ci.io alkyl
• n 1 or 2.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a comp
• R 1 is H or Ci-8 alkyl
• R 2 is H or Ci -g alkyl.
• R 1 and R 2 are each, independently, H or Ci -8 alkyl. In some embodiments, R 1 and R 2 are each, independently, Ci -8 alkyl, C 2- 7 alkyl, C 3 . 7 alkyl, or C 3-6 alkyl. In some embodiments, R 1 and R 2 are each, independently, 2-methylpropan-2-yl, propan-2-yl, 2-methylbutan-2-yl, 2,3-dimethylbutan-2-yl, or 2,3,3-trimethylbutan-2-yl. In some embodiments, R 1 and R 2 are each, independently, branched C3.7 alkyl or branched alkyl.
• R 1 and R 2 are each, independently, H or C ]-4 alkyl. In some embodiments, R 1 and R 2 are each independently, H, methyl, ethyl, propan-lyl, propan-2-yl, butan-l-yl, butan-2-yl, or 2-methylpropan-2-yl. In some embodiments, R 1 and R 2 are each independently, H, methyl, or ethyl. In some embodiments, R 1 and R 2 are the same. In some embodiments, R 1 and R 2 are different. In some embodiments, R 1 and R 2 are each 2-methylpropan-2-yl.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XVII:
• R 1 is H or Ci -8 alkyl
• R 2 is H or C i.g alkyl.
• R 1 and R 2 are each, independently, H or Ci -8 alkyl. In some embodiments, R 1 and R 2 are each, independently, Ci -8 alkyl, C2-7 alkyl, €3.7 alkyl, or C3-6 alkyl. In some embodiments, R 1 and R 2 are each, independently, propan-2-yl, 2-methylpropan-2-yl, 2-methylbutan-2-yl, 2,3-dimethylbutan-2-yl, or 2,3,3-trimethylbutan-2-yl. In some embodiments, R 1 and R 2 are each, independently, branched C3. 7 alkyl or branched C3-6 alkyl. In some embodiments, R 1 and R 2 are each, independently, H or C1.4 alkyl.
• R 1 and R 2 are each independently, H, methyl, ethyl, propan-lyl, propan-2-yl, butan-l-yl, butan-2-yl, or 2-methylpropan-2-yl. In some embodiments, R 1 and R 2 are each independently, H, methyl, or ethyl. In some embodiments, R 1 and R 2 are the same. In some embodiments, R 1 and R 2 are different. In some embodiments, R 1 and R 2 are each 2-methylpropan-2-yl.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound which is:
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XVIII:
• each X is, independently, NR. 8 , -N(R 8 )N(R 8 )-, O, or S;
• R a and R b are each, independently, hydrogen, a PL group, or an NPL group;
• each R 8 is, independently, hydrogen or alkyl
• Aj and A2 are each, independently, optionally substituted arylene or optionally substituted heteroarylene, wherein A] and A2 are, independently, optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s); or
• each Ai is, independently, optionally substituted arylene or optionally substituted heteroarylene
• each A 2 is a C 3 to Cg cycloalkyl or -(CH 2 ) q -, wherein q is 1 to 7,
• Aj and A2 are, independently, optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s); or each A 2 is optionally substituted arylene or optionally substituted heteroarylene
• each Ai is a C3 to Cs cycloalkyl or -(CH2) q -, wherein q is 1 to 7, wherein Aj and A 2 are each, independently, optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s);
• R 1 is hydrogen, a PL group, or an NPL group
• R 2 is -X-A 1 -Y-R 1 ', wherein R 1 1 is hydrogen, a PL group, or an NPL group; or
• R' and R are each, independently, hydrogen, a PL group, or an NPL group; or R 1 and R 2 together are a single bond; or
• R 1 is -Y-A2-X-R 12 , wherein R 12 is hydrogen, a PL group, or an NPL group, and R 2 is hydrogen, a PL group, or an NPL group;
• each NPL group is, independently, -B(OR 4 ) 2 or
• R 3 , R 3 , and R 3' are each, independently, hydrogen, alkyl, or alkoxy;
• R 4 and R 4 are each, independently, hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or heteroaryl, wherein each of the alkyl, alkenyl, alkynyl, cycloalkyl, aryl, and heteroaryl is optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, or haloalkyl;
• each LK NPL is, independently, -(CH 2 ) p NPL- or C 2 -s alkenylenyl, wherein each of the
• C2-8 alkenylenyl is optionally substituted with one or more substituents, wherein each substituent is, independently, amino, hydroxyl, aminoalkyl, hydroxylalkyl, or alkyl;
• each pNPL is, independently, an integer from 0 to 8.
• qlNPL and q2NPL are each, independently, 0, 1, or 2;
• each PL group is, independently, halo, hydroxyethoxymethyl, methoxyethoxymethyl, polyoxyethylene, or -(NR 5 ') q iPL-U PL -LK PL -(NR 5 '') q2 PL-V, wherein:
• R 5 , R 5 , and R 5 are each, independently, hydrogen, alkyl, or alkoxy;
• each R° is, independently, Ci-6 alkyl, haloalkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl, each optionally substituted by one or more subsitutents, wherein each substituent is, independently, OH, amino, halo, Cj.6 alkyl, Ci .6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl, or heterocycloalkyl;
• R d and R e are, independently, H, C1-5 alkyl, Ci -6 haloalkyl, C 2- 6 alkenyl, C 2- 6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl, wherein each of the Ci -6 alkyl, Ci_6 haloalkyl, C 2- 6 alkenyl, C 2- 6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl and heterocycloalkylalkyl is optionally substituted by OH, amino, halo,
• haloalkyl aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl, or heterocycloalkyl;
• R d and R e together with the N atom to which they are attached form a 4-, 5-, 6-, 7-, or 8-membered heterocycloalkyl
• each LK PL is, independently, -(CH2) P PL- or C2-8 alkenylenyl, wherein each of the
• NPL- and C2-8 alkenylenyl is optionally substituted with one or more substituents, wherein each substituent is, independendy, amino, hydroxyl, aminoalkyl, hydroxylalkyl, or alkyl;
• each pPL is, independently, an integer from 0-8;
• qlPL and q2PL are each, independently, 0, 1, or 2;
• n is an integer from 1 to about 20.
• each A2 is optionally substituted phenyl
• each Ai is a
• each NPL group is, independently,
• R 3 , R 3' , and R 3" are each, independently, hydrogen, alkyl, or alkoxy; and R 4 and R 4 are each, independently, hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or heteroaryl, wherein each of the alkyl, alkenyl, alkynyl, cycloalkyl, aryl, and heteroaryl is optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, or haloalkyl.
• each NPL group is, independently, -B(OR 4 )2, R 4 , or OR 4 , and R 4 and R 4 are each, independently, alkyl, alkenyl, alkynyl, cycloalkyl, or aryl, each is optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, or haloalkyl.
• each NPL group is, independently, R 4 or OR 4 , and each R 4 is, independently, alkyl, alkenyl, alkynyl, cycloalkyl, or aryl, each is optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, or haloalkyl.
• each NPL group is, independently, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or alkoxy, each is optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, or haloalkyl. In some embodiments, each NPL group is, independently, alkyl, haloalkyl, alkoxy, or haloalkoxy.
• heterocycloalkyl, or heteroaryl wherein the aryl is substituted with one or more substitutents, wherein each of the heterocycloalkyl and heteroaryl is optionally substituted with one or more substituents, and wherein each of the subsituents for the aryl, heterocycloalkyl, and heteroaryl is, independently, nitro, cyano, amino, hydroxy, alkoxy, alkylthio, alkylamino, dialkylamino,
• each of the heterocycloalkyl and heteroaryl is optionally substituted with one more substituents, wherein each substituent is, independently, alkyl, haloalkyl, alkoxy, haloalkoxy, amino, cyano, nitro, hydroxy, -NH(CH 2 )pNH 2 wherein p is 1 to 5, -N(CH 2 CH 2 NH2)2, amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or
• heterocycloalkyl or heteroaryl, wherein each of the heterocycloalkyl and heteroaryl is optionally substituted with one more substituents, wherein each substituent is, independently, alkyl, haloalkyl, alkoxy, haloalkoxy, amino, cyano, nitro, hydroxy, -NH(CH 2 ) P NH 2 wherein p is 1 to 5, -N(CH 2 CH 2 NH 2 ) 2 , amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl.
• heterocycloalkyl, or heteroaryl wherein each of the heterocycloalkyl and heteroaryl is optionally substituted with one more substituents, wherein each substituent is, independently, amino, cyano, nitro, hydroxy, -NH(CH2)pNH 2 wherein p is 1 to 5, -N(CH 2 CH 2 NH 2 ) 2 , amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl.
• heterocycloalkyl a 5- to 10-membered heteroaryl, or a 6- tolO- membered substituted aryl, wherein the substituted aryl is substituted with one or more substituents, wherein each substituent is, independently, OH, amino, hydroxylalkyl, or aminoalkyl, and wherein each of the 3-8 membered heterocycloalkyl and the 5- to 10- membered heteroaryl is optionally substituted with one or more substituents, wherein each substituent is, independently, alkyl, haloalkyl, alkoxy, haloalkoxy, amino, cyano, nitro, hydroxy, -NH(CH2)pNH 2 wherein p is 1 to 5,
• amidino guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl.
• heterocycloalkyl a 5- to 10- membered heteroaryl, or a 6- tolO- membered substituted aryl, wherein the substituted aryl is substituted with one or more substituents, wherein each substituent is, independently, OH, amino, hydroxylalkyl, or aminoalkyl.
• each V is, independently, amino, alkylamino, dialkylamino, -NH(CH 2 ) P NH 2 wherein p is 1 to 5, -N(CH 2 CH 2 NH 2 ) 2 , guanidino, amidino, ureido,
• heterocycloalkyl, or heteroaryl wherein each of the heterocycloalkyl and heteroaryl is optionally substituted with one more substituents, wherein each substituent is, independently, amino, cyano, nitro, hydroxy, -NH(CH 2 ) P NH 2 wherein p is 1 to 5, -N(CH 2 CH 2 NH 2 ) 2 , amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl.
• each V is, independently, amino, alkylamino, dialkylamino,
• p is 1 to 5, -N(CH 2 CH 2 NH 2 ) 2 , guanidino, amidino, ureido, pyrrodinyl, piperidinyl, piperazinyl, 4-methylpiperazinyl, pyridinyl, pyrimidinyl, pyrazinyl, or indolyl.
• each V is, independently, amino, alkylamino, dialkylamino, -NH(CH 2 ) p NH 2 wherein p is 1 to 5, -N(CH 2 CH 2 NH 2 ) 2 , guanidino, amidino, ureido, or indolyl.
• each PL group is, independently, halo, ydroxyethoxymethyl, methoxyethoxymethyl, polyoxyethylene, or -(NR 5 ) q i PL -U PL -(CH 2 )pPL-(NR 5 ) Q 2PL-V.
• each PL group is, independently, halo, -(CH2) p PL- ,
• each PL group is, independently, halo, -(CH 2 ) p PL-V,
• each of the heterocycloalkyl and heteroaryl is optionally substituted with one more substituents, wherein each substituent is, independently, amino, halo, cyano, nitro, hydroxy, -NH(CH2) P NH2 wherein p is 1 to 5, -N(CH2CH2NH2)2, amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl.
• each NPL group is, independently, -B(OR 4 ) 2 , R 4 , or OR 4 , R 4 and
• heterocycloalkyl or heteroaryl, wherein each of the heterocycloalkyl and heteroaryl is optionally substituted with one more substituents, wherein each substituent is, independently, amino, halo, cyano, nitro, hydroxy, -NH(CH 2 ) P NH2 wherein p is 1 to 5, -N(CH 2 CH2NH2)2, amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or
• each substituent is, independently, amino, halo, cyano, nitro, hydroxy, -NH(CH2)pNH2 wherein p is 1 to 5, -N(CH2CH2NH2)2, amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl.
• each NPL group is, independently, R 4 or OR 4 , R 4 and R 4 are each, independently, alkyl, alkenyl, alkynyl, cycloalkyl, or aryl, each is optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, or haloalkyl; each PL group is, independently, halo, -(CH 2 ) p PL-V, 0-(CH 2 ) P PL-V, or
• each A2 is phenyl optionally substituted with one or more substituents, wherein each substituent is, independently, OR 4 , halo, 0-(CH2) p PL-V, or
• each Ai is a -((3 ⁇ 4)- group optionally substituted with one or more substituents, wherein each substituent is, independently, alkyl or -(CH2) p PL- .
• each A 2 is phenyl optionally substituted with one or more substituents, wherein each substituent is, independently, 0-(CH 3 ), halo, or 0-(CH 2 ) 2 -V; each A ⁇ 0 is a -(CH 2 )- group optionally substituted with one substituent, wherein each substituent is, independently, (CH 2 )-V, (CH 2 ) 3 -V, -(CH 2 ) 4 -V, and -(CH 2 ) 5 -V; and each V, is independently, amino, ureido, guanidino, carbamoyl, or indolyl.
• V 1 is indolyl
• R 2 is NH 2 , -NH-(CH 2 ) pPL -V, or
• each V is, independently, hydroxy, amino, alkylamino, dialkylamino, -NH(CH 2 ) P NH 2 wherein p is 1 to 5, -N(CH 2 CH 2 NH 2 ) 2 , guanidino, amidino, ureido, carbamoyl, heterocycloalkyl, or heteroaryl, and where R 3 , R 3 , and R 4 are each, independently, H or alkyl; and R 2 is NH 2 , -NH(CH 2 ) P NH 2 wherein p is 1 to 5, -NH-(CH 2 ) p PL-V, or NH-A
• -C( 0)-NH 2 , wherein V is hydroxy, amino, alkylamino, dialkylamino, -NH(CH 2 ) P NH2 wherein p is 1 to 5,
• n is 3 or 4. In some embodiments, m is 4.
• At least one of A 2 group is different from other A 2 groups. In some embodiments, all A 2 groups are the same. In some embodiments, at least one of Ai group is different from other Ai groups. In some embodiments, all Ai groups are the same.
• each R 9 is, independently, H, a PL group, or an NPL group
• each R 10 is, independently, H, a PL group, or an NPL group;
• each R l la is, independently, a PL group or an NPL group
• each tl is, independently, 0, 1 , or 2.
• each R 9 is, independently, a PL group or an NPL group. In some embodiments, each R 9 is, independently, alkyl or (CH2) p PL-V wherein pPL is an integer from 1 to 5. In some embodiments, each R 9 is, independently, (CH2) p PL-V wherein pPL is an integer from 1 to 5.
• each R 10 is H.
• each R 1 la is, independently, halo, alkyl, alkoxy, haloalkyl, haloalkoxy, -(CH 2 )pPL-V, -0(CH 2 ) P PL-V, or -S(CH2) p PL-V, wherein pPL is an integer from 1 to 5.
• each R l la is, independently, halo, alkyl, alkoxy, haloalkyl, or haloalkoxy.
• each R l la is, independently, alkoxy.
• each R Ua is methoxy.
• the compound is a compound of Formula XVIIIa- 1,
• each R 11 is, independently, H, alkyl, haloalkyl, or -(CH2) P PL-V, wherein pPL is an integer from 1 to 5.
• each R 11 is, independently, alkyl.
• each R 11 is methyl.
• the compounds of Formula XVIII, XVIIIa, XVnia-1, XVIIIa-2, or XVHIa-3 can be made, for example, by methods described in U.S. Patent Application Publication No. 2006-0041023, U.S. Patent No. 7,173,102, and International Application No. WO 2005/123660.
• the compounds of Formula XVIII, XVIIIa, XVIIIa- 1, XVIIIa-2, or XVIIIa-3 can be selected from those described in U.S. Patent Application Publication No.
• the compound of Formula XVIII, XVIIIa, XVIIIa- 1, XVIIIa-2, or XVIHa-3 (such as the polymers and oligomers), or salts thereof, useful in the present invention is a compound or salt thereof selected from those decribed in U.S. Patent Application Publication No. 2006-0041023, U.S. Patent No. 7,173, 102, and International Application No. WO 2005/123660.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XIX:
• each R 8 is, independently, hydrogen or alkyl
• each R 7 and each R 7 are, independently, hydrogen or alkyl; or R 7 and R 7 together form -(CH 2 ) P -, wherein p is 4 to 8;
• Ai and A 2 are each, independently, optionally substituted arylene or optionally substituted heteroarylene, wherein Ai and A2 are each, independently, optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s);
• each A 2 is, independently, optionally substituted arylene or optionally substituted heteroarylene, and each Aj is, independently, optionally substituted C3 to C $ cycloalkyl, wherein Ai and A2 are each, independently, optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s);
• R 1 is hydrogen, a PL group, or an NPL group
• R 2 is -X-A1-X-R 1 , wherein Aj is as defined above and is optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s); or
• R 1 is hydrogen, a PL group, or an NPL group
• R 2 is -X-A'-X-R 1 , wherein A' is C3 to Cg cycloalkyl, aryl, or heteroaryl and is optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s); or
• R 1 is -Y-A2-Y-R 2 , and each R 2 is, independently, hydrogen, a PL group, or an NPL group; or
• R 1 is -Y-A' and R 2 is -X-A', wherein each A' is, independently, C3 to Cg cycloalkyl, aryl, or heteroaryl and is optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s); or
• R 1 and R 2 are, independently, a PL group or an NPL group; or
• each NPL is, independently, -B(OR 4 ) 2 or -(NR 3' ) q i NP L-U NPL -LK NPL -(NR 3 ")q2NPL-R 4' , wherein:
• R 3 , R 3 , and R 3 are each, independently, hydrogen, alkyl, or alkoxy;
• R 4 and R 4' are each, independently, hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, and heteroaryl, wherein each of the alkyl, alkenyl, alkynyl, cycloalkyl, aryl, and heteroaryl is optionally substituted with one or more alkyl or halo groups;
• each LK ⁇ is, independently, -(CH 2 ) pN p L - or C 2 .g alkenylenyl, wherein each of the -(CH 2 )pMp L - and C 2-8 alkenylenyl is optionally substituted with one or more substituents, wherein each substituent is, independently, amino, hydroxyl, aminoalkyl, hydroxylalkyl, or alkyl;
• each pNPL is, independently, an integer from 0 to 8.
• q lNPL and q2NPL are each, independently, 0, 1, or 2;
• each PL is, independently, halo, hydroxyethoxymethyl, methoxyethoxymethyl, polyoxyethylene, or -(NR 5 ) q)PL -U PL -LK PL -(NR 5 ) q2PL -V, wherein:
• R 5 , R 5 , and R 5 are each, independently, hydrogen, alkyl, and alkoxy;
• each LK PL is, independently, -(CH2) p PL- or C2-8 alkenylenyl, wherein each of the
• -(CH2)pNPL- and C2-8 alkenylenyl is optionally substituted with one or more substituents, wherein each substituent is, independently, amino, hydroxyl, aminoalkyl, hydroxylalkyl, or alkyl;
• each pPL is, independently, an integer from 0 to 8;
• qlPL and q2PL are each, independently, 0, 1, or 2;
• n is an integer from 1 to about 20.
• each of the moiety of -Y-A2-Y- is, independently, a moiety of Formula XIX- 1 , XIX-2, or XIX-3 :
• each R 12a is, independently, a PL group or an NPL group; and t2 is 0, 1 , or 2.
• each of the moiety of -Y-A2-Y- is, independently, a moiety of
• each R 12a is, independently, halo, alkyl, alkoxy, haloalkyl, haloalkoxy, -(CH 2 ) p PL-V, -0(CH 2 ) p PL-V, or -S(CH 2 ) p PL-V, wherein pPL is an integer from 1 to 5.
• each R 12a is, independently, halo, alkyl, alkoxy, haloalkyl, or haloalkoxy.
• each R l2a is, independently, alkoxy.
• each R 12a is methoxy.
• each of the moiety of -Y-A 2 -Y- is, independently, a moiety of Formula XIX- 1 or XLX-2; and t2 is 2.
• each R I2A is, independently, alkoxy. In some embodiments, each R 12A is methoxy.
• each of the moiety of -Y-A 2 -Y- is, independently, a moiety of
• Formula XIX- 1 and the moiety of Formula XIX- 1 is a moiety of Formula XIX- la:
• each of the moiety of -X-Ai-X- is, independently, a moiety of Formula XIX-B:
• each R 13A is, independently, a PL group or an NPL group; and t3 is 0, 1, or 2.
• each of the moiety of -X-Ai-X- is, independently, a moiety of Formula XIX-C:
• each of R 13A" ' and R 13A 2 is, independently, H, a PL group, or an NPL group.
• each of R 13A_L and R 13A"2 is, independently, a PL group or an NPL group.
• each of R 13A_1 and R 13A 2 is, independently, halo, alkyl, haloalkyl, -0(CH 2 )pPL-V, or -S(CH2) P PL- , wherein pPL is an integer from 1 to 5.
• each of R 13A ⁇ ' and R 13A 2 is, independently, haloalkyl or -S(CH 2 ) P PL-V, wherein pPL is an integer from 1 to 5.
• each of the moiety of -X-Ai-X- is, independently, a moiety of Formula XIX-D:
• each R 14 " is, independently, a PL group or an NPL group; and t4 is 0, 1, or 2.
• t4 is 0.
• each moiety of -Y-A2-Y- is, independently, a moiety of Formula XIX-1, XIX-la, XIX-2, or XIX-3; and each of the moiety of -X-A)-X- is, independently, a moiety of Formula XIX-B, XIX-C, or XIX-D.
• each moiety of -Y-A2-Y- is, independently, a moiety of Formula XIX-1 or XIX-la; and each of the moiety of -X-Aj-X- is, independently, a moiety of Formula XIX-B or XIX-C.
• each moiety of -Y-A2-Y- is, independently, a moiety of Formula XIX-la; and each of the moiety of -X-Ai-X- is, independently, a moiety of Formula XIX-C.
• each moiety of -Y-A2-Y- is, independently, a moiety of Formula XIX-1, XIX-la, XIX-2, or ⁇ -3; and each of the moiety of -X-Ai-X- is, independently, a moiety of Formula XIX-D.
• each moiety of -Y-A2-Y- is, independently, a moiety of Formula XIX-la.
• the compound is of Formula XlXa:
• each X is, independently, NR 8 , O, S, or -N(R 8 )N(R 8 )-;
• each R is, independently, hydrogen or alkyl
• Ai and A 2 are each, independently, optionally substituted arylene or optionally substituted heteroarylene, wherein Ai and A2 are each, independently, optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s);
• R 1 is a PL group or an NPL group
• R 2 is R 1 ;
• each NPL is, independently, -(NR 3' ) qlNPL -U NPL -LK NPL -(NR 3 ") q 2NPL -R 4' , wherein:
• R 3 , R 3 , and R 3 are each, independently, hydrogen, alkyl, or alkoxy;
• R 4 and R 4 are each, independently, hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or heteroaryl, wherein each of the alkyl, alkenyl, alkynyl, cycloalkyl, aryl, and heteroaryl is optionally substituted with one or more alkyl or halo groups;
• each LK NPL is, independently, -(CH2) p PL- or C 2 -8 alkenylenyl, wherein the
• NPL- is optionally substituted with one or more substituents, wherein each substituent is, independently, amino, hydroxyl, or alkyl;
• each pNPL is, independently, an integer from 0 to 8.
• qlNPL and q2NPL are each, independendy, 0, 1, or 2;
• each PL is, independently, halo, hydroxyethoxymethyl, methoxyethoxymethyl, polyoxyethylene, or -(NR 5' ) q i PL -U PL - LK PL -(NR 5' ) q2PL -V, wherein:
• R 5 , R 5 , and R 5" are each, independently, hydrogen, alkyl, or alkoxy;
• each LK PL is, independently, -(CH 2 ) pP L- or C 2-8 alkenylenyl, wherein the -(CH 2 ) p NPL- is optionally substituted with one or more substituents, wherein each substituent is, independently, amino, hydroxyl, or alkyl;
• each pPL is, independently, an integer from 0 to 8.
• qlPL and q2PL are each, independently, 0, 1, or 2.
• each NPL group is, independently, -B(OR 4 ) 2 , R 4 , or OR 4 , and R 4 and R 4 are each, independently, alkyl, alkenyl, alkynyl, cycloalkyl, or aryl, each is optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, or haloalkyl.
• each NPL group is, independently, R 4 or OR , and each R 4 is, independently, alkyl, alkenyl, alkynyl, cycloalkyl, or aryl, each is optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, or haloalkyl.
• each NPL group is, independently, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or alkoxy, each is optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, or haloalkyl. In some embodiments, each NPL group is, independently, alkyl, haloalkyl, alkoxy, or haloalkoxy.
• each of the heterocycloalkyl and heteroaryl is optionally substituted with one more substituents, wherein each substituent is, independently, alkyl, haloalkyl, alkoxy, haloalkoxy, amino, cyano, nitro, hydroxy, -NH(CH2) P NH 2 wherein p is 1 to 5, -N(CH2CH2NH 2 )2, amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or
• -NH(CH2) P NH 2 wherein p is 1 to 5, -N(CH 2 CH2NH2)2, amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl; and wherein the substituted aryl group is substituted with one more substituents, wherein each substituent is, independently, amino, cyano, nitro, hydroxy, -NH(CH2) p NH2 wherein p is 1 to 5,
• heterocycloalkyl or heteroaryl, wherein each of the heterocycloalkyl and heteroaryl is optionally substituted with one more substituents, wherein each substituent is, independently, alkyl, haloalkyl, alkoxy, haloalkoxy, amino, cyano, nitro, hydroxy, -NH(CH2) P NH2 wherein p is 1 to 5, -N(CH 2 CH 2 NH2)2, amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl.
• heterocycloalkyl, or heteroaryl wherein each of the heterocycloalkyl and heteroaryl is optionally substituted with one more substituents, wherein each substituent is, independently, amino, cyano, nitro, hydroxy, - ⁇ ((3 ⁇ 4) ⁇ ⁇ 2 wherein p is 1 to 5, -N(CH2CH2NH2)2, amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl.
• each V is, independently, amino, alkylamino, dialkylamino, -NH(CH2)pNH2 wherein p is 1 to 5, -N(CH2CH2NH2)2, guanidino, amidino, ureido,
• heterocycloalkyl, or heteroaryl wherein each of the heterocycloalkyl and heteroaryl is optionally substituted with one more substituents, wherein each substituent is, independently, amino, cyano, nitro, hydroxy, -NH(CH2> P NH2 wherein p is 1 to 5, -N(CH2CH 2 NH2) 2 , amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl.
• each V is, independently, amino, alkylamino, dialkylamino, -NH(CH2) P NH2 wherein p is 1 to 5, -N(CH 2 CH2NH2)2, guanidino, amidino, ureido, pyrrodinyl, piperidinyl, piperazinyl, 4-methylpiperazinyl, pyridinyl, pyrimidinyl, pyrazinyl, or indolyl.
• each V is, independently, amino, alkylamino, dialkylamino, -NH(CH2) P H2 wherein p is 1 to 5, -N(CH2CH2NH2)2, guanidino, amidino, ureido, or indolyl.
• each PL is, independently, halo, hydroxyethoxymethyl, methoxyethoxymethyl, polyoxyethylene, and -(NR 5 ) QL PL -U PL -(CH 2 )pPL-(NR 5 ) Q 2PL-V.
• each PL group is, independently, halo, -(CH2) p PL- ,
• each pPL is an integer from 0 to 5; and each V is,
• each PL group is, independently, halo, -(CH 2 ) p PL-V,
• each pPL is an integer from 0 to 5; and each V is,
• each of the heterocycloalkyl and heteroaryl is optionally substituted with one more substituents, wherein each substituent is, independently, amino, halo, cyano, nitro, hydroxy, -NH(CH2) P NH 2 wherein p is 1 to 5, -N(CH 2 CH2NH2) 2 , amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl.
• each NPL group is, independently, -B(OR 4 ) 2 , R 4 , or OR 4 , R 4 and R 4 are each, independently, alkyl, alkenyl, alkynyl, cycloalkyl, or aryl, each is optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, or haloalkyl; each PL group is, independently, halo, -(CH2) p PL- , 0-(CH 2 ) p PL-V, or
• each pPL is an integer from 0 to 5; and each V is, independently, hydroxy, amino, alkylamino, dialkylamino, -NH(CH2) P NH2 wherein p is 1 to 5, -N(CH2CI3 ⁇ 4NH2)2.
• the moiety of -Y-A 2 -Y- is a moiety of Formula XIX- 1, XIX-2, or XIX-3:
• each R 12a is, independently, a PL group or an NPL group; and t2 is 0, 1, or 2.
• the moiety of -Y-A2-Y- is a moiety of Formula XIX- 1 or XIX-2; and each R 12a is, independently, halo, alkyl, alkoxy, haloalkyl, haloalkoxy,
• pPL is an integer from 1 to 5.
• each R 12a is, independently, halo, alkyl, alkoxy, haloalkyl, or haloalkoxy. In some embodiments, each R 12a is, independently, alkoxy. In some embodiments, each R 12a is methoxy.
• the moiety of -Y-A2-Y- is a moiety of Formula ⁇ -l or ⁇ -2; and t2 is 2.
• each R 12a is, independently, alkoxy. In some embodiments, each R 12a is methoxy.
• the moiety of -Y-A2-Y- is a moiety of Formula XIX- 1
• the moiety of Formula XEX- 1 is a moiety of Formula XIX- 1 a:
• each of the moiety of -X-ApX- is, independently, a moiety of Formula
• each R 13a is, independently, a PL group or an NPL group; and t3 is 0, 1, or 2.
• each of the moiety of -X-Aj-X- is, independently, a moiety of Formula XIX-C:
• each of R 13a l and R 13a ⁇ 2 is, independently, H, a PL group, or an NPL group.
• each of R 13a" ' and R 13a"2 are, independently, a PL group or an NPL group.
• each of R 13a l and R 13a"2 are, independently, halo, alkyl, haloalkyl, -0(CH 2 ) p PL-V, or -S(CH 2 ) p PL-V, wherein pPL is an integer from 1 to 5.
• each of R 13a I and R 13a ⁇ 2 are, independently, haloalkyl or -S(CH 2 ) p PL-V, wherein pPL is an integer from 1 to 5.
• each A 2 is, independently, optionally substituted arylene or optionally substituted heteroarylene, and each Ai is, independently, optionally substituted C3 to Cg cycloalkyl, wherein A] and A 2 are each, independently, optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s); R 1 is -Y-A2-Y-R 2 ; and each R 2 is, independently, hydrogen, a PL group, or an NPL group.
• m is 1 or 2.
• each A 2 is, independently, optionally substituted phenyl
• each Ai is, independently, optionally substituted C3-C8 cycloalkyl, wherein Ai and A 2 are each, independently, optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s);
• R 1 is
• each R 2 is, independently, hydrogen, a PL group, or an NPL group.
• m is 1 or 2.
• each Ai is, independently, C5-C6 cycloalkyl; each A2 is, independently, phenyl optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s); R 1 is -Y-A2-Y-R 2 ; and each R 2 is, independently, hydrogen, a PL group, or an NPL group.
• m is 1 or 2.
• each NPL group is, independently, -B(OR )2, R 4 , or OR 4 ;
• R 4 and R 4 are each, independently, alkyl, alkenyl, alkynyl, cycloalkyl, or aryl, each is optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, or haloalkyl;
• each PL group is, independently, halo, -(CH 2 ) p PL-V, 0-(CH 2 ) p PL-V, or S-(CH 2 ) P PL-V;
• each pPL is an integer from 0 to 5; and each V is, independently, hydroxy, amino, alkylamino, dialkylamino, -NH(CH2) p NH2 wherein p is 1 to 5, -N(CH2CH2NH2)2, guanidino, amidino, ureido, carbamoyl, -C
• each Ai is C6 cycloalkyl; each A2 is, independently, phenyl optionally substituted with one or more substituents, wherein each substituent is, independently, haloalkyl, halo, -O-alkyl, 0-(CH 2 ) pPL -V, or S-(CH 2 )pP L -V; R 1 is -Y-A 2 -Y-R 2 ; each R 2 is, independently, NH-(CH2) p PL-V; and each V is, independently, hydroxy, amino, alkylamino, dialkylamino, -NH(CH2) P NH 2 wherein p is 1 to 5, -N(CH2CH 2 NH2)2, guanidino, amidino, ureido, carbamoyl, heterocycloalkyl, or heteroaryl.
• m is 1 or 2.
• each A] is C6 cycloalkyl; each A2 is, independently, phenyl optionally substituted with one or more substituents, wherein each substituent is, independently, haloalkyl, -O-alkyl, 0-(CH 2 ) PPL -V, or S-(CH 2 ) PPL -V; R 1 is -Y-A2-Y-R 2 ; each R 2 is,
• each V is, independently, amino, alkylamino, dialkylamino, -NH(CH 2 ) P NH2 wherein p is 1 to 5, -N(CH2CH 2 NH 2 ) 2 , guanidino, amidino, ureido, carbamoyl, or indolyl.
• m is 1 or 2.
• each of the moiety of -Y-A 2 -Y- is a moiety of Formula
• each R l2a is, independently, a PL group or an NPL group; and t2 is 0, 1, or 2; and each of the moiety of -X-Aj-X- is, independently, a moiety of Formula XIX-D:
• each R 143 is, independently, a PL group or an NPL group.
• each of the moiety of -Y-A 2 -Y- is a moiety of Formula XIX- la, and each of the moiety of
• each R 12a is, independently, halo, alkyl, alkoxy, haloalkyl, haloalkoxy, -(CH 2 ) P PL-V, -0(CH2) P PL-V, or -S(CH 2 ) P PL-V, wherein pPL is an integer from 1 to 5.
• each R l2a is, independently, alkoxy or -0(CH 2 ) P PL-V, wherein pPL is an integer from 1 to 5.
• R 1 is -Y-A 2 -Y-R 2 ; and each R 2 is, independently, hydrogen, a PL group, or an NPL group.
• m is 1, 2, or 3. In some embodiments, m is 1 or 2.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound chosen from:
• the compounds of Formula XIX or XlXa (such as the polymers and oligomers) or pharmaceutically acceptable salts thereof useful in the present invention can be made, for example, by methods described in U.S. Patent Application Publication No. 2006-0041023, U.S. Patent No. 7,173,102, International Publication No. WO 2004/082643, International Publication No. WO2006093813, and U.S. Patent Application Publication 2010-0081665.
• the compounds of Formula XIX or XlXa (such as the polymers and oligomers) or pharmaceutically acceptable salts thereof useful in the present invention can be selected from those described in U.S. Patent Application Publication No. 2006-0041023, U.S. Patent No. 7,173,102, International Publication No. WO 2004/082643, International Publication No.
• the compound(s) useful in the method of present invention can be chosen from one or more of the compounds (i.e., genuses, sub-genuses, and species) disclosed in U.S. Patent Application Publication No. 2006-0041023, U.S. Patent No. 7,173, 102,
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XX:
• each X is, independently, NR 8 ;
• each R 8 is, independently, hydrogen or alkyl
• each A 2 is optionally substituted arylene or optionally substituted heteroarylene, and each Ai is -(CH2) q -, wherein q is 1 to 7, wherein Ai and A 2 are each, independently, optionally substituted with one or more PL group(s), one or more NPL group(s), or a combination of one or more PL group(s) and one or more NPL group(s);
• R and R za are each, independently, hydrogen, a PL group, an NPL group or
• R n is hydrogen, a PL group, or an NPL group
• L 1 is Ci-ioalkylene optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, haloalkyl, aminoalkyl, hydroxylalkyl, V, or
• pPL is an integer from 1 to 5;
• each NPL group is, independendy, -B(OR 4 ) 2 or
• R 3 , R 3' , and R 3 are each, independently, hydrogen, alkyl, or alkoxy;
• R 4 and R 4 are each, independently, hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or heteroaryl, wherein each of the alkyl, alkenyl, alkynyl, cycloalkyl, aryl, and heteroaryl is optionally substituted with one or more substitutents, wherein each substituent is, independendy, alkyl, halo, or haloalkyl;
• each LK NPL is, independently, -(CH 2 ) p NPL- and C 2- 8 alkenylenyl, wherein each of the -(CH2)pNPL and C2-S alkenylenyl is optionally substituted with one or more substituents, wherein each substituent is, independently, amino, hydroxyl, aminoalkyl, hydroxylalkyl, or alkyl;
• each pNPL is, independently, an integer from 0 to 8.
• qlNPL and q2NPL are each, independently, 0, 1, or 2;
• each PL group is, independently, halo, hydroxyethoxymethyl, methoxyethoxymethyl, polyoxyethylene, or -(NR 5' ) q i PL -U PL -LK PL -(NR 5 ") q 2PL-V, wherein:
• R 5 , R 5 , and R 5 are each, independently, hydrogen, alkyl, or alkoxy;
• each R° is, independently, Ci-6 alkyl, haloalkyl, C2-6 alkenyl, C 2- 6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl, each optionally substituted by one or more subsitutents, wherein each substituent is, independently, OH, amino, halo, C h alky!, Ci .6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl, or heterocycloalkyl;
• R d and R e are, independently, H, alkyl, Ci_6 haloalkyl, C 2- 6 alkenyl, C 2- 6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl, wherein each of the Ci_6 alkyl, Ci-6 haloalkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl is optionally substituted by OH, amino, halo, Ci_6 alkyl, Ci_6 haloalkyl, Ci_6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroary
• R d and R e together with the N atom to which they are attached form a 4-, 5-, 6-, 7-, or 8-membered heterocycloalkyl
• each LK PL is, independently, -(CH2) p PL- or C2-8 alkenylenyl, wherein each of the
• -(CH2)pNPL- and C2-8 alkenylenyl is optionally substituted with one or more substituents, wherein each substituent is, independently, amino, hydroxyl, aminoalkyl, hydroxy lalkyl, or alkyl;
• each pPL is, independently, an integer from 0 to 8;
• q lPL and q2PL are each, independently, 0, 1, or 2;
• ml 1 is an integer from 1 to about 20;
• ml2 is an integer from 1 to about 20.
• each moiety of _ - _ X-A 1 -Y-X-A 2 -Y- j S) independently, a
• each R 10 is, independently, H, a PL group, or an NPL group
• each R 1 la is, independently, a PL group or an NPL group
• each tl is independently 0, 1 , or 2.
• each R 9 is, independently, a PL group or an NPL group; and each R 10 is H.
• each R 9 is, independently, alkyl or (CH2) p PL-V where pPL is an integer from 1 to 5; each R 10 is H; and each R l la is, independently, halo, alkyl, alkoxy, haloalkyl, haloalkoxy, -(CH 2 ) p PL-V, -0(CH 2 ) P PL-V, or -S(CH2) p PL-V, wherein pPL is an integer from 1 to 5.
• each R 9 is, independently, alkyl, -(CH 2 )-V, -(CH 2 )2-V,
• each R 9 is, independently, CH 3 , -(CH 2 )-V, -(CH 2 ) 2 -V,
• each R 10 is H; each V is, independently, amino, alkylamino, dialkylamino, -NH(CH 2 ) P NH 2 wherein p is 1 to 5, -N(CH 2 CH 2 NH 2 ) 2 , guanidino, amidino, ureido, or indolyl; and each R 1 Ia is methoxy.
• R 2 and R 23 are each, independently, NH 2 , amidino, alkylamino, dialkylamino, -NH(CH 2 ) p NH 2 wherein p is 1 to 5, or -NH-(CH 2 ) p p L -V 10 , wherein V is amino, alkylamino, dialkylamino, -NH(CH 2 ) P NH 2 wherein p is 1 to 5,
• L 1 is Cs-ioalkylene optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, haloalkyl, aminoalkyl, or hydroxylalkyl.
• each of R 2 and R 2a is NH 2 ; and L 1 is Cs_ioalkylene, such as, for example Cv.ioalkylene or C7. 9 alkylene.
• mi l is an integer from 1 to about 10; and m 12 is an integer from 1 to about 10. In some embodiments, ml 1 is an integer from 3 to 7; and ml2 is an integer from 3 to 7. In some embodiments, ml 1 is an integer from 3 to 5; and ml2 is an integer from 3 to 5.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XXI:
• each X is, independently, NR 8 ;
• each R 8 is, independently, hydrogen or alkyl; each A2 is optionally substituted arylene or optionally substituted heteroarylene, and each Ai is -(CH2) q -, wherein q is 1 to 7, wherein A] and A2 are each, independently, optionally substituted with one or more PL group(s), one or more NPL group's); ⁇ a combination of one or more PL group(s) and one or more NPL group(s); * "
• R 1 is hydrogen, a PL group, or an NPL group
• R 2 is -X-Ai-Y-R 1 1 , wherein R 1 1 is hydrogen, a PL group, or an NPL group; or
• R 1 and R 2 are each, independently, hydrogen, a PL group, or an NPL group; or
• R 1 and R 2 together are a single bond
• R 1 is -Y-A2-X-R 12 , wherein R 12 is hydrogen, a PL group, or an NPL group, and R 2 is hydrogen, a PL group, or an NPL group;
• L 1 is Cj.ioalkylene optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, haloalkyl, aminoalkyl, hydroxylalkyl, V, or
• pPL is an integer from 1 to 5;
• each substituent is, independently, amino, halo, cyano, nitro, hydroxy, -NH(CH2) P NH 2 wherein p is 1 to 5, -N(CH2CH 2 NH 2 ) 2 , amidino, guanidino, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl; and wherein the substituted aryl group is substituted with one more substituents, wherein each substituent is, independently, amino, halo, cyano, nitro, hydroxy,
• each NPL group is, independently, -B(OR 4 )2 or
• R 3 , R 3 , and R 3 are each, independently, hydrogen, alkyl, or alkoxy;
• each LK NPL is, independently, -(CH2) P NPL- or C2-8 alkenylenyl, wherein each of the
• -(CH2)p PL and C2-8 alkenylenyl is optionally substituted with one or more substituents, wherein each substituent is, independently, amino, hydroxyl, aminoalkyl, hydroxylalkyl, or alkyl;
• each pNPL is, independently, an integer from 0 to 8.
• qlNPL and q2NPL are each, independently, 0, 1, or 2;
• each PL group is, independently, halo, hydroxyethoxymethyl, methoxyethoxymethyl, polyoxyethylene, or -(NR 5' ) q ip L -U PL -LK PL -(NR 5 ") q 2PL-V, wherein:
• R 5 , R 5 , and R 5 are each, independently, hydrogen, alkyl, or alkoxy;
• each R c is, independently, haloalkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl, each optionally substituted by one or more subsitutents, wherein each substituent is, independently, OH, amino, halo, alkyl, Ci-6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl, or heterocycloalkyl;
• R d and R e are, independently, H, Ci ⁇ alkyl, Ci ⁇ haloalkyl, C2-5 alkenyl, C2-6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl, wherein each of the Ci-6 alkyl, Ci-6 haloalkyl, C2.6 alkenyl, C2-6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, and heterocycloalkylalkyl is optionally substituted by OH, amino, halo, Ci ⁇ alkyl, Ci_6 haloalkyl, Ci_6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylal
• R d and R e together with the N atom to which they are attached form a 4-, 5-, 6-, 7-, or 8-membered heterocycloalkyl
• each LK PL is, independently, -(CH2) P PL- or C2-8 alkenylenyl, wherein each of the
• P NPL- and C2-8 alkenylenyl is optionally substituted with one or more substituents, wherein each substituent is, independently, amino, hydroxyl, aminoalkyl, hydroxylalkyl, or alkyl;
• each pPL is, independently, an integer from 0 to 8;
• q lPL and q2PL are each, independently, 0, 1, or 2; ml 3 is an integer from 1 to about 10; and
• ml4 is an integer from 1 to about 10.
• each moiety of _ - " X-A 1 -Y-X-A 2 -Y " j j S) independently, a
• each R 10 is, independently, H, a PL group, or an NPL group
• each R I Ia is, independently, a PL group or an NPL group
• each tl is independently 0, 1 , or 2.
• each R 9 is, independently, a PL group or an NPL group; and each R 10 is H.
• each R 9 is, independently, alkyl or (CH2) p PL- wherein pPL is an integer from 1 to 5; each R 10 is H; and each R l la is, independently, halo, alkyl, alkoxy, haloalkyl, haloalkoxy, -(CH 2 ) p PL-V, -0(CH 2 ) p PL-V, or -S(CH 2 ) p PL-V, wherein pPL is an integer from 1 to 5.
• each R 9 is, independently, CH3, -(CH 2 )-V, -(CH 2 )2-V,
• each R 10 is H; each V is, independently, amino, alkylamino, dialkylamino, -NH(CH 2 ) P NH 2 wherein p is 1 to 5, -N(CH2CH 2 NH 2 )2, guanidino, amidino, ureido, or indolyl; and each R l la is methoxy.
• each moiety of -f-X-Ai-Y-X-A2-Y1 j S) independently, a moiety of:
• R 1 is H or alkyl;
• R 2 is NH 2 , amidino, alkylamino, dialkylamino, -NH(CH 2 ) P NH2 wherein p is 1 to 5, or -NH-(CH 2 )pPL-V 10 , wherein V 10 is amino, alkylamino, dialkylamino, -NH(CH 2 ) p NH 2 wherein p is 1 to 5, -N(CH 2 CH 2 NH 2 ) 2 , guanidino, amidino, ureido, or carbamoyl; and
• L 1 is Ci ⁇ alkylene optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, haloalkyl, aminoalkyl, hydroxylalkyl, V 1 1 , or -
• R 1 is H;
• R 2 is NH 2 ;
• L 1 is Qalkylene optionally substituted with one or more substitutents, wherein each substituent is, independently, alkyl, halo, haloalkyl, aminoalkyl, hydroxylalkyl, V 11 , or -(CH 2 )pPL-V n wherein pPL is an integer from 1 to 5, wherein V 11 is amino, alkylamino, dialkylamino, -NH(CH 2 ) P NH 2 wherein p is 1 to 5, -N(CH 2 CH 2 NH 2 ) 2 , guanidino, amidino, ureido, or carbamoyl.
• ml3 is an integer from 1 to about 5; and ml4 is an integer from 1 to about 5. In some embodiments, ml3 is an integer from 1 to 3; and ml2 is an integer from 1 to 3. In some embodiments, the sum of ml3 and ml4 is an integer from 3 to 5. In some embodiments, the sum of ml3 and ml4 is 4.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula ⁇ :
• Ai and A 2 are, independently, optionally substituted arylene or optionally substituted heteroarylene, wherein Ai and A 2 are, independently, optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s);
• Ai is as defined above and is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or
• R 2 is -X-A 1 -X-Z-Y-A 2 -Y-R 1 , wherein A, and A 2 are as defined above, and each of which is optionally substituted with one or more polar (PL) group(s), one or more
• non-polar (NPL) group(s) or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or
• R 2 is -X-A'-X-R 1 , wherein A' is aryl or heteroaryl and is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or
• R 2 is - ⁇ - ⁇ ,- ⁇ - ⁇ - ⁇ -A'-Y-R 1 , wherein Ai is as defined above, A' is aryl or heteroaryl, and each of Ai and A' is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or
• (v) -Z-Y-A' and R 2 is hydrogen, a polar group (PL), or a non-polar group (NPL), wherein A' is aryl or heteroaryl and is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or
• R 2 is -X-A", wherein A' and A" are, independently, aryl or heteroaryl, and each of A and A is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or (vii) R 1 and R 2 are, independently, a polar group (PL) or a non-polar group (NPL); or
• NPL is a nonpolar group independently selected from -B(OR 4 ) 2 and
• R 3 , R 3 , and R 3 are, independently, selected from hydrogen, alkyl, and alkoxy;
• R 4 and R 4 are, independently, selected from hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, and heteroaryl, any of which is optionally substituted with one or more alkyl or halo groups;
• the -(CH 2 )p PL- alkylene chain is optionally substituted with one or more amino or hydroxy groups, or is unsaturated;
• pNPL is 0 to 8.
• q lNPL and q2NPL are, independently, 0, 1 , or 2;
• PL is a polar group selected from halo, hydroxyethoxymethyl, methoxyethoxymethyl, polyoxyethylene, and -(NR 5 ) q iPL-U PL -(CH 2 ) p p L -(NR 5 )q 2 pL-V, wherein:
• R 5 , R 5 , and R 5" are, independently, selected from hydrogen, alkyl, and alkoxy;
• V is selected from nitro, cyano, amino, hydroxy, alkoxy, alkylthio, alkylamino, dialkylamino, -NH(CH 2 ) P NH 2 wherein p is 1 to 4, -N(CH 2 CH 2 NH 2 ) 2 , diazamino, amidino, guanidino, guanyl, semicarbazone, aryl, heterocycle, and heteroaryl, any of which is optionally substituted with one or more of amino, halo, cyano, nitro, hydroxy, -NH(CH 2 ) P NH 2 wherein p is 1 to 4, -N(CH 2 CH 2 NH 2 ) 2 , amidino, guanidino, guanyl, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl;
• the -(CH 2 )p PL - alkylene chain is optionally substituted with one or more amino or hydroxy groups, or is unsaturated;
• pPL is 0 to 8.
• q lPL and q2PL are, independently, 0, 1, or 2; and rn is 1 to about 20.
• the compound is a compound of Formula XXIIa, Formula XXIIb, or Formula XXIIc:
• -N(CH 2 CH 2 NH 2 ) 2 diazamino, amidino, guanidino, guanyl, semicarbazone, aryl, heterocycle, and heteroaryl, any of which is optionally substituted with one or more of amino, halo, cyano, nitro, hydroxy, -NH(CH 2 ) P NH 2 wherein p is 1 to 4, -N(CH 2 CH 2 NH 2 )2, amidino, guanidino, guanyl, aminosulfonyl, aminoalkoxy, aminoalkythio, lower acylamino, or benzyloxycarbonyl; the -(CH2)pPL- alkylene chain is optionally substituted with one or more amino or hydroxy groups, or is unsaturated; pPL is 0 to 8; and qlPL and q2PL are, independently, 0, 1, or 2.
• the present invention also provides methods of treating and/or preventing mucositis in a mammal comprising administering to the mammal in need thereof a therapeutically effective amount of a compound of Formula XXIII:
• Ai and A 2 are, independently, optionally substituted arylene or optionally substituted heteroarylene, wherein:
• A] and A 2 are, independently, optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or
• one of Ai or A 2 is as defined above and is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); and the other of Ai or A 2 is the group -C ⁇ C(CH 2 ) P C ⁇ C-, wherein p is 0 to 8, and the -(CH 2 ) P - alkylene chain is optionally substituted with one or more amino or hydroxyl groups;
• Ai is as defined above and is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or
• R 2 is wherein each of Ai and A 2 is as defined above and is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or
• A'-W- and R 2 is -Ai-W-A', wherein A' is aryl or heteroaryl, either of which is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) group(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or (iv) A'-W- and R 2 is -A', wherein A' is aryl or heteroaryl, either of which is optionally substituted with one or more polar (PL) group(s), one or more non-polar (NPL) groups(s), or a combination of one or more polar (PL) group(s) and one or more non-polar (NPL) group(s); or
• NPL is a nonpolar group independently selected from -B(OR 4 ) 2 or
• R 3 , R 3 , and R 3 are, independently, selected from hydrogen, alkyl, and alkoxy;
• R 4 is selected from hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, and heteroaryl, any of which is optionally substituted with one or more alkyl or halo groups;

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