WO1999046238A1 - Hydrazide fixe sur une resine et son derive, et procede de synthese des pyrazolones en phase solide - Google Patents
Hydrazide fixe sur une resine et son derive, et procede de synthese des pyrazolones en phase solide Download PDFInfo
- Publication number
- WO1999046238A1 WO1999046238A1 PCT/JP1999/001222 JP9901222W WO9946238A1 WO 1999046238 A1 WO1999046238 A1 WO 1999046238A1 JP 9901222 W JP9901222 W JP 9901222W WO 9946238 A1 WO9946238 A1 WO 9946238A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substituent
- resin
- represented
- hydrocarbon
- immobilized
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C243/00—Compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
- C07C243/24—Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids
- C07C243/38—Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids with acylating carboxyl groups bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C251/72—Hydrazones
- C07C251/74—Hydrazones having doubly-bound carbon atoms of hydrazone groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C251/76—Hydrazones having doubly-bound carbon atoms of hydrazone groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of a saturated carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C251/72—Hydrazones
- C07C251/74—Hydrazones having doubly-bound carbon atoms of hydrazone groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C251/78—Hydrazones having doubly-bound carbon atoms of hydrazone groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of an unsaturated carbon skeleton
- C07C251/80—Hydrazones having doubly-bound carbon atoms of hydrazone groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of an unsaturated carbon skeleton the carbon skeleton containing rings
Definitions
- the invention of this application relates to a resin-immobilized hydrazide and a derivative thereof, and a solid phase synthesis method of pyrazolones.
- the inventors of the present application have found a new method of performing a Mannich-type reaction using an acyl hydrazone as a starting material and using a catalyst. Making the efficiency of the method practical It has been an important issue to establish a solid-phase synthesis method that can be improved to a high level.
- the invention of this application provides a new technical means for realizing the above-mentioned Mannich-type reaction as a solid-phase synthesis method, and further provides a concrete method. Specifically, it is also an object of the present invention to provide a method for synthesizing virazolones by applying a Mannich type reaction by solid phase synthesis.
- P represents a main chain of the resin polymer
- Q represents a substituent which may have a substituent or a hydrocarbon side chain or a substituent having a hetero atom intervening. Indicates a good hydrocarbon side chain
- P represents a main chain of the resin polymer
- Q represents a substituent which may have a substituent or a hydrocarbon side chain or a substituent having a hetero atom intervening.
- R 1 represents a hydrocarbon group or a heterocyclic group which may have a substituent, and R 3 represents a hydrazone immobilized on a resin.
- R ′, R 2 , R 3 and R 4 each represent a hydrocarbon group or a heterocyclic group which may have a substituent.
- the present invention provides, as a fourth invention, a method for producing the resin-immobilized hydridide according to the first invention, which comprises the following formula:
- a method for producing a resin-immobilized hydrazone wherein the method for producing a resin-immobilized hydrazide is a carboxylic acid resin of the present invention. Then,
- R 1 represents a hydrocarbon group or a heterocyclic group which may have a substituent
- a method for producing a resin-immobilized hydrazone characterized by reacting with an aldehyde represented by the following formula: And the following formula
- P-Q-CO-NH-N CH-R 1 (II)
- P represents the main chain of the resin polymer
- Q represents a hydrocarbon chain which may have a substituent.
- R 1 is a hydrocarbon group or a heterocyclic group which may have a substituent. Is shown
- R 2 , R 3 , and R 4 each represents a hydrocarbon group or a heterocyclic group which may have a substituent, and R 5 represents a hydrocarbon group.
- the present invention provides a method for producing a hydrazino ester, which is characterized by reacting with a cis-phenyl acetyl ester represented by the following formula:
- P represents a main chain of the resin polymer
- Q represents a hydrocarbon side chain which may have a substituent or a substituent which may have a heteroatom interposed.
- R 1 represents a hydrocarbon group or a heterocyclic group which may have a substituent.
- R 3 and R 4 each represent a hydrocarbon group or a heterocyclic group which may have a substituent, and R 5 is a hydrocarbon group Indicates a group
- the resin-immobilized ⁇ -hydrazino ester represented by the following formula is synthesized, then cleaved from the solid phase and subjected to a cyclization reaction.
- P represents the main chain of the resin polymer, and Q represents a substituent which may have a substituent or a hydrocarbon side chain or a substituent having a heteroatom interposed.
- Hydrazide immobilized on a resin represented by the following formula:
- R 1 represents a hydrocarbon group or a heterocyclic group which may have a substituent.
- the present invention also provides a method for synthesizing pyrazolones as hydrazones immobilized on a resin represented by the formula: BEST MODE FOR CARRYING OUT THE INVENTION
- P represents the main chain of the resin high molecule, and Q represents the bond to this. Shows the side chain
- the resin polymer constituting P may be any one of an addition polymer, a condensation polymer, and a cross-linked product thereof. Addition polymerization of alkenes having a double bond is considered to be appropriate if ⁇ is a crosslinked polymer thereof.
- alkenes include aliphatic olefins, aliphatic benzenes, ⁇ , ⁇ -aliphatic unsaturation rubonic acid or esters thereof, and ⁇ -aliphatic unsaturated ditoxin
- alkenes include addition polymers of aromatic alkenes such as styrene, oc-methylstyrene, and divinylbenzene, and partially crosslinked products thereof.
- Q represents a hydrocarbon chain which may have a substituent, and ⁇ represents an oxygen atom, a nitrogen atom, or the like as a hetero atom in the hydrocarbon chain.
- a hydrocarbon chain which may have a substituent is shown, and this side chain: Q may or may not be formed together with the main chain: P. May be formed by adding a pendant after the formation of the main chain P.
- the hydrocarbon chain may be any of aliphatic, alicyclic, aromatic, araliphatic, etc., for example, one (CH 2 ) ⁇ —
- phenylenealkylene chains represented by (CH 2) ⁇ -P h Ph-(CH 2 ) ⁇ -P h Is exemplified.
- examples thereof include —Ph—O—Ph—, one Ph— (CH 2) n—O—Ph— and the like in which a heteroatom is interposed.
- hydrocarbons may have various substituents that do not inhibit the solid phase synthesis reaction or activate the reaction.
- substituents such as hydrocarbon groups such as alkyl groups and aryl groups, halogen atoms, alkoxy groups, acyloxy groups, alkoxycarbonyl groups, nitro groups, cyano groups, and heterocyclic groups. Is done.
- R ′ in the resin-fixed hydrazone of the formula (II) is a hydrocarbon group which may have a substituent or a heterocyclic group, and the hydrocarbon group is a chain. It can be any of a variety of cyclic or cyclic, saturated or unsaturated, aliphatic, aromatic, or araliphatic, and heterocyclic groups also include various complex rings such as oxygen-containing and nitrogen-containing. It may be a base. In addition, these are various substituents which do not inhibit the solid-phase synthesis reaction or further activate the reaction, for example, carbonization of alkyl group, aryl group, etc. Various types such as a hydrogen group, a halogen atom, an alkoxy group, an acyloxy group, an alkoxycarbonyl group, a nitro group, a cyano group, and a heterocyclic group are considered.
- the resin-fixed hydrazide represented by the formula (I) is, for example, as described above,
- Hydrazine monohydrate is suitably used at a ratio of about 0.5 to 5 equivalents to the carboxylate resin. It is considered that the reaction temperature is about 30 to 130 ° C, and more preferably about 60 to 110 ° C.
- the reaction is suitably carried out in a solvent at a temperature of about 10 to 0 ° C, and more preferably about 30 to 6 ° C.
- a solvent for the reaction, DMF, DMS S, nitriles, halogenated hydrocarbons, and the like, and a mixed solvent of these with acetic acid are considered as appropriate.
- the resin-fixed hydrazone represented by the above formula (II) can be used as a substrate for a solid-phase Mannich-type reaction. This reaction is carried out by reacting the resin-immobilized hydrazone of the formula (I) with the carboxylic acid cetazol of the above formula (IV).
- R 2 to R 4 in the formula (III) are a hydrocarbon group or a heterocyclic group which may have a substituent, and are represented by the formula (I). ⁇ you can in this transgression to those selected jar underground et al., the same kind as that of R 1 in.
- R 5 may be any of aliphatic, aromatic, and araliphatic hydrocarbons.
- the solid-phase reaction with the above-mentioned carboxylic esters can be performed, for example, in a solvent using a rare earth Louis acid catalyst.
- Solvents include, for example, halogenated hydrocarbons, aromatic hydrocarbons, ethers, nitriles, alcohols, as well as water, or any of these suitable It can be a mixed solvent.
- Rare earth Louisic acid may be a compound of rare earth metals having Louis acidity, such as scandium (Sc), ytterbium (Yb), yttrium (Y), Formed as organic acid ester salts, alcoholates, organometallic compounds, organic complex compounds, etc. of rare earth elements such as lanthanum (La), samarium (Sm) and neodymium (Nd) It may be a thing that was done. Among them, rare earth triflates, for example, Sc (0Tf) are better. (3) Examples are shown as appropriate.
- the ratio of the basic phenylacetones of the formula (III) to the resin-fixed hydrazone of the formula (II) is from 0.5 to 10 equivalents, and more preferably from 1 to 10 equivalents. 7 equivalent ratio is considered.
- the equivalent ratio is generally about 0.01 to 1, and more preferably about 0.1 to 1.6.
- the reaction temperature is preferably from 20 to 40 ° C, and more preferably, at or near room temperature.
- This hydrazino ester is an important tool for constructing a library of various nitrogen-containing organic compounds.
- the ⁇ -hydrazinoesters of the formula (III) are cleaved from a resin and subjected to a cyclization reaction, whereby the ⁇ -hydrazinoesters are represented by any of the above formulas (A) and (B). Synthesize pyrazolones.
- This reaction can be easily performed, for example, as a reaction with a metal alcohol base using an alcoholic solvent.
- the alcoholate base is generally used in an equivalent ratio of 0.8 to 10 to the hydrazino esters to the resin-immobilized hydrazinoester under heating conditions. It is appropriate to use it.
- Resin immobilization-hydrazino ethers can only be used to synthesize 3-amino acid yS-lactams by cutting from resin.
- the above-mentioned pyrazolones are also useful as intermediates for synthesizing pharmaceuticals as physiologically active substances.
- Resin-immobilized hydrazide was produced according to the following reaction formula, and then reacted with aldehyde to produce resin-immobilized hydrazine, followed by solid-phase synthesis of pyrazolone.
- R 1 — (CH 2 ) 2 Ph
- R 2 , R 3 , and R 4 Me—hydrazino ester resin (6) (0.64 mmo Ig) is obtained.
- Example 1 In ⁇ 1>, ph (CH) COCI was used for polystyrene to carry out a Freedel-Clatz reaction, followed by AICI-LAH reduction, followed by carboxylation and carboxylate resin. Was manufactured. Thereafter, solid-phase synthesis of pyrazolone was performed in the same manner as in Example 1.
- Non-epacer carboxylic resin was used.
- pyrazolone is used.
- the selectivity of (A) and (B) can be changed.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Plural Heterocyclic Compounds (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99939190A EP1063227B1 (en) | 1998-03-13 | 1999-03-12 | Hydrazide fixed to resin and derivative thereof, and method for synthesizing pyrazolones in solid phase |
US09/646,041 US6271391B1 (en) | 1998-03-13 | 1999-03-12 | Hydrazide fixed to a resin and derivatives thereof, and a method for synthesizing pyrazolones in solid phase |
DE69937446T DE69937446T2 (de) | 1998-03-13 | 1999-03-12 | An harz fixierte hydrazide, derivate davon und verfahren zur herstellung von pyrazolonen in der festphase |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/82776 | 1998-03-13 | ||
JP08277698A JP3688111B2 (ja) | 1998-03-13 | 1998-03-13 | 樹脂固定化ヒドラジドとその誘導体並びにピラゾロン類の固相合成法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999046238A1 true WO1999046238A1 (fr) | 1999-09-16 |
Family
ID=13783839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/001222 WO1999046238A1 (fr) | 1998-03-13 | 1999-03-12 | Hydrazide fixe sur une resine et son derive, et procede de synthese des pyrazolones en phase solide |
Country Status (5)
Country | Link |
---|---|
US (1) | US6271391B1 (ja) |
EP (1) | EP1063227B1 (ja) |
JP (1) | JP3688111B2 (ja) |
DE (1) | DE69937446T2 (ja) |
WO (1) | WO1999046238A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100355748C (zh) * | 2004-09-20 | 2007-12-19 | 中国人民解放军军事医学科学院毒物药物研究所 | 芳酰肼类化合物及其用于制备免疫抑制剂的用途 |
WO2008007650A1 (fr) * | 2006-07-14 | 2008-01-17 | Otsuka Chemical Co., Ltd. | résine d'accumulation de l'hydrazine |
AU2009318098B2 (en) | 2008-11-20 | 2015-07-16 | Northwestern University | Treatment of amyotrophic lateral sclerosis |
US9145424B2 (en) | 2008-11-20 | 2015-09-29 | Northwestern University | Treatment of amyotrophic lateral sclerosis |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4972334A (ja) * | 1972-09-26 | 1974-07-12 | ||
JPH06506217A (ja) * | 1991-03-18 | 1994-07-14 | エンゾン,インコーポレーテッド | ポリペプチドまたはグリコポリペプチドとポリマーとのヒドラジン含有結合体 |
-
1998
- 1998-03-13 JP JP08277698A patent/JP3688111B2/ja not_active Expired - Fee Related
-
1999
- 1999-03-12 US US09/646,041 patent/US6271391B1/en not_active Expired - Fee Related
- 1999-03-12 DE DE69937446T patent/DE69937446T2/de not_active Expired - Fee Related
- 1999-03-12 WO PCT/JP1999/001222 patent/WO1999046238A1/ja active IP Right Grant
- 1999-03-12 EP EP99939190A patent/EP1063227B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4972334A (ja) * | 1972-09-26 | 1974-07-12 | ||
JPH06506217A (ja) * | 1991-03-18 | 1994-07-14 | エンゾン,インコーポレーテッド | ポリペプチドまたはグリコポリペプチドとポリマーとのヒドラジン含有結合体 |
Non-Patent Citations (3)
Title |
---|
KOBAYASHI, S. FURUTA, T. SUGITA, K. OKITSU, O. OYAMADA, H.: "Polymer-Supported Acylhydrazones. Use in Sc(OTf)"3-Catalyzed Mannich-Type Reactions Providing an Efficient Method for the Preparation of Diverse Pyrazolone Derivatives", TETRAHEDRON LETTERS, PERGAMON, GB, vol. 40, no. 7, 12 February 1999 (1999-02-12), GB, pages 1341 - 1344, XP004154628, ISSN: 0040-4039, DOI: 10.1016/S0040-4039(98)02607-0 * |
OYAMADA H., KOBAYASHI S.: "RARE EARTH TRIFLATE-CATALYZED ADDITION REACTIONS OF ACYLHYDRAZONES WITH SILYL ENOLATES. A FACILE SYNTHESIS OF PYRAZOLONE DERIVATIVES.", SYNLETT, GEORG THIEME VERLAG, DE, no. 03., 1 March 1998 (1998-03-01), DE, pages 249/250., XP002920964, ISSN: 0936-5214, DOI: 10.1055/s-1998-1638 * |
See also references of EP1063227A4 * |
Also Published As
Publication number | Publication date |
---|---|
DE69937446T2 (de) | 2008-08-21 |
EP1063227A4 (en) | 2004-11-10 |
US6271391B1 (en) | 2001-08-07 |
JP3688111B2 (ja) | 2005-08-24 |
EP1063227B1 (en) | 2007-10-31 |
JPH11263765A (ja) | 1999-09-28 |
EP1063227A1 (en) | 2000-12-27 |
DE69937446D1 (de) | 2007-12-13 |
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