EP0386143A1 - Tri- und tetra-substituierte oxetane und tetrahydrofurane und deren zwischenprodukte - Google Patents

Tri- und tetra-substituierte oxetane und tetrahydrofurane und deren zwischenprodukte

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Publication number
EP0386143A1
EP0386143A1 EP89900481A EP89900481A EP0386143A1 EP 0386143 A1 EP0386143 A1 EP 0386143A1 EP 89900481 A EP89900481 A EP 89900481A EP 89900481 A EP89900481 A EP 89900481A EP 0386143 A1 EP0386143 A1 EP 0386143A1
Authority
EP
European Patent Office
Prior art keywords
lower alkyl
compound
formula
substituted
triazol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP89900481A
Other languages
English (en)
French (fr)
Inventor
Anil K. Saksena
Viyyoor M. Girijavallabhan
Ashit K. Ganguly
Dinanath F. Rane
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck Sharp and Dohme LLC
Original Assignee
Schering Corp
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Filing date
Publication date
Application filed by Schering Corp filed Critical Schering Corp
Publication of EP0386143A1 publication Critical patent/EP0386143A1/de
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • 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]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/08—Antiallergic agents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/12—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D473/00—Heterocyclic compounds containing purine ring systems
    • C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
    • C07D473/10—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 3 and 7, e.g. theobromine

Definitions

  • This invention relates to tri- and tetra-substituted-oxetanes, e.g. ( ⁇ ) -cis- and ( ⁇ ) -trans-2-[(4- (4-isopropylpi ⁇ erazin-1-yl)phenoxy)methyl]-4-(2,4-dihalophenyl)-4-[1H-1,2,4-triazol-1-yl) methyl] oxetane and tri- and tetra- substituted-tetrahydrofurans, e.g.
  • This invention also relates to antifungally active intermediates and to intermediates for preparation of the antifungal, antiallergic and immunomodulating compounds.
  • U.S. Patent Nos. 4,518,415 and 4,636,247 disclose 1-(tetrahydrofurylmethyl) azoles useful as plant growth regulators and fungicides which are disubstituted at the 2-position by imidazol-1-ylmethyl or triazol-1-ylmethyl and phenyl or substituted phenyl and at 3, 4 and 5-positions by hydrogen and substituted alkyl, cyloalkyl, aralkyl, or phenyl.
  • these references do not disclose the compounds of the present invention.
  • the present invention provides compounds represented by the formula I:
  • Ar is thienyl, pyridyl, biphenyl, phenyl or phenyl substituted by one or more of halo, nitro, cyano, lower alkyl, lower alkoxy or perhalo (lower) alkyl;
  • Y is CH or N; either one of A, B and C is Oxygen and the remaining two of A, B and C are CH 2 or A is Oxygen, B is CH 2 and C is a direct bond;
  • P is a direct bond, -CHR 11 - or CHR 1 1 CHR 1 2 - ;
  • R 1 , R 8 , R 9 and R 10 are independently hydrogen, lower alkyl or lower alkyl substituted by one or more hydroxy groups;
  • R 2 , R 4 , R 11 , R 12 and R 14 are hydrogen, hydroxy, lower alkyl or lower alkyl substituted by one or more hydroxy groups;
  • R 3 and R 13 are independently hydrogen, lower alkyl, (C 2 -C 8 )perhaloalkanoyl or (C 2 -C 8 )alkanoyl;
  • R 6 and R 7 are independently hydrogen, lower alkyl, phenyl or phenyl substituted by one or more of halo, perhalo (lower)alkyl, (C 2 -C 8 )alkanoyl, lower alkyl, lower alkyl substituted by one or more hydroxy groups, lower alkoxy, or 2-(lower)alkyl-3-oxo-1,2,4-triazol-4-yl, or R 6 and R 7 taken together with the nitrogen atom in NR 6 R 7 form unsubstituted or substituted five or six member heterocyclyl ring systems containing carbon and one to four heteroatoms chosen from N, O and S, said heterocyclyl substituents being (C 1 -C 8 )alkanoyl, lower alkyl, lower alkoxycarbonyl, aminocarbonyl, N-lower alkylaminocarbonyl, N,N-di(lower alkyl)amino carbonyl, aminothiocarbonyl, N-low
  • R 5 is a lower alkyl, lower alkoxy, amino, N,N-dilower alkylamino, phenyl or phenyl substituted by one or more of halo, perhalo lower alkyl, lower alkoxy, nitro, cyano, (C 2 -C 8 ) alkanoyl; p is 0, 1, 2, 3, 4 or 5; n is 0, 1 or 2; r is 1 or 2; and t is 0, 1, 2 or 3; and the stereochemical isomers thereof in racemic or optically active form; or a pharmaceutically acceptable salt thereof; with the proviso that when R 2 or R 11 or R 12 is attached to a carbon atom adjacent to -NR 5 , -S(O) n or -O-, R 2 or R 11 or R 12 is not hydroxy.
  • the present invention also provides a compound represented by formula II:
  • Ar is as defined hereinabove and one of A, B or C is Oxygen and the remaining two of A, B or C are -CH 2 -;
  • R 1 is hydrogen, lower alkyl or lower alkyl substituted by one or more hydroxy groups
  • R 2 is hydrogen, hydroxy, lower alkyl or lower alkyl substituted by one or more hydroxy groups.
  • the compounds represented by formula II are intermediates for the preparation of the tetrahydrofuran compounds represented by formula I.
  • the present invention also provides a compound represented by formula IIa
  • Preferred compounds of formula IIa include those wherein NR 6 R 7 form unsubstituted or substituted five or six member heterocyclyl ring systems containing carbon and one to four heteroatoms chosen from N, O and S, said heterocyclyl substituents being (C 1 -C 8 ) alkanoyl, lower alkyl, lower alkoxycarbonyl, aminocarbonyl, N-lower alkylaminocarbonyl, N,N-di(lower alkyl) aminocarbonyl, aminothiocarbonyl, N-lower alkylaminothiocarbonyl, N,N-di(lower alkyl)aminothiocarbonyl, lower alkyl sulfonyl, phen
  • R' Lower alkyl phenyl or phenyl substituted by one or more of halo, perhalo lower alkyl, (C 2 -C 8 ) alkanoyl, lower alkyl, lower alkyl substituted by one or more hydroxy groups, lower alkoxy, 1H,2,4-triazol-1-yl or 2-lower alkyl-3-oxo-1,2,4-triazol-4-yl;
  • R 5 is a lower alkyl, lower alkoxy, amino, N,N-dilower alkylamino, phenyl or phenyl substituted by one or more of halo, perhalo lower alkyl, lower alkoxy, nitro, cyano, (C 2 -C 8 ) alkanoyl.
  • the more preferred compounds of formula IIa are compounds wherein NR 6 R 7 is
  • Z is a hydrogen, (C 1 -C 8 ) alkanoyl, lower alkyl, (C 1 -C 8 ) perhaloalkanoyl or phenyl substituted by 2-loweralkyl-3-oxo-1,2,4-triazol-4-yl.
  • one of A, B and C is oxygen and the remaining two of A, B and C are -CH 2 -;
  • Hal is CI or F;
  • Z is lower alkyl, (C 2 -C 8 ) alkonoyl, or phenyl substituted by 2-loweralkyl-3-oxo-1,2,4triazol-4-yl.
  • the present invention also is directed at a compound of the formula
  • the compounds of formulas I, IIa, and lIb may be formulated into pharmaceutical compositions with a pharmaceutically acceptable carrier or diluent.
  • the compounds of formula I may be used to treat mammals suffering from susceptible fungal infections, hyperproliferative skin disease (such as psoriasis), allergic reactions and/or inflammation as well as autoimmune reactions and diseases and immunological diseases by administering an effective amount for such purpose to the mammal.
  • the invention provides a method for treating hyperproliferative skin disease in a host which comprises administer ing to such a host, e.g. a warm-blooded animal such as man in need of such treating an hyperproliferatively effective amount of a compound represented by the formula I and a pharmaceutically acceptable carrier or diluent.
  • a host e.g. a warm-blooded animal such as man in need of such treating an hyperproliferatively effective amount of a compound represented by the formula I and a pharmaceutically acceptable carrier or diluent.
  • the invention also provides a method of treating or preventing susceptible fungal infections which comprises administering to a host in need of such treating or preventing an antifungally effective amount of a compound of formula I, formula lIb or a pharmaceutical composition comprising such a compound and a pharmaceutically acceptable carrier or diluent.
  • the present invention still further provides a method of treating or preventing an allergic reaction in a host which comprises administering to such a host, e.g., warm-blooded animals including humans in need of such treatment or prevention, an antiallergically effective amount of a compound represented by formula I, or a pharmaceutical composition thereof.
  • the invention provides a method of treating autoimmune reactions and diseases and immunological diseases including skin graft rejection, bone marrow rejection and organ transplant rejection phenomena which comprises administering to a host in need of such treating an effective amount of a compound of formula IIa or a pharmaceutical composition comprising such a compound and a pharmaceutically acceptable carrier or diluent.
  • the present invention also is directed at a method of preparing a compound of formula I
  • halo means bromine, chlorine or fluorine with chlorine and fluorine being preferred; fluorine is most preferred.
  • lower alkyl refers to straight and branched chain hydrocarbon groups of 1 to 6 carbon atoms, such as methyl, ethyl, n-, and iso-propyl, n-, sec- and tert-butyl, n-, sec-, iso-, tert- and neo-pentyl, n-, sec-, iso-, tert-hexyl and the like.
  • perhaloloweralkyl refers to "lower alkyl” groups having only halogen substituents replacing all the hydrogens on the carbons, e.g., -CCI 2 -CF 3 , -CF 2 -CI 3 as well as perhalo groups such as -CF 2 -CF 3 or -CF 3 ; trifluoromethyl is preferred.
  • (C 2 -C 8 ) alkanoyl refers to straight and branched chain alkanoyl groups having 2 to 8 carbon atoms such as acetyl, propanoyl, butanoyl, 2-methylpropanoyl, 3-methylpropanoyl, pentanoyl, 2-methylbutanoyl, 3-methylbutanoyl, 4-methylbutanoyl, hexanoyl, 2-methylpentanoyl, 3-methylpentanoyl, 4-methylpentanoyl, 5-methylpentanoyl, heptanoyl, 3-methylheptanoyl, octanoyl, 2-ethylhexanoyl and the like.
  • (C 2 -C 8 )perhaloalkanoyl refers to (C 2 -C 8 ) alkanoyl groups as defined hereinabove wherein the alkanoyl groups have only halogen substituents replacing the hydrogens on the alkane chain, e.g. perhaloacetyl, perhalopropanoyl and the like. Perchloro- and perfluoroacetyl are preferred.
  • (C 1 -C 8 ) alkanoyl includes formyl and "(C 2 -C 8 )alkanoyl” which is defined hereinabove.
  • lower alkoxy means a lower alkyl moiety univalently bonded to divalent oxygen, -O- and includes methoxy, ethoxy, n- and iso-propoxy, n-, sec- and tert-butoxy and the like.
  • R' is lower alkyl
  • aminocarbonyl means the group
  • N,N-lower alkylaminocarbonyl mean the groups
  • aminothiocarbonyl means the group
  • R' is lower alkyl
  • lower alkylsulfonyl means the group R'-SO 2 -, wherein R' is lower alkyl.
  • phenyl-substituted lower alkyl sulfonyl means the group C 6 H 5 -R'-SO 2 . wherein R' is lower alkyl.
  • N-lower alkylamino and N,N-dilower alkylamino mean the groups R'NH-and R'R'N-, respectively, wherein R' is lower alkyl.
  • R' is loweralkyl
  • R' is lower alkyl.
  • 2-lower alkyl-3-oxo-1,2,4-triazol-4-yl means a moiety represented by the formula
  • R' is "lower alkyl” as defined hereinabove.
  • heterocyclyl refers to five and six-membered ring systems containing at least one carbon and one to four heteroatoms chosen from N, O and S, SO and SO 2 .
  • suitable heterocyclyls include morpholino, thiomorpholino, 4-oxothiomopholino, 4,4-dioxothiomorpholino piperazino, pyrrolidino, piperidino, imidazolyl, 1,2,4-triazolyl, furanyl, thienyl, thiadiazolyls, especially 1,2,3-thiadiazol-4-yl, and 1,2,3-thiadiazol-5-yl, and pyridyls.
  • the heterocyclyl may be attached via a carbon atom, e.g., N- methylpiperidin-4-yl, N-methylmorpholin-2-yl or via the nitrogen atom, e.g., piperidin-1-yl (commonly called piperidino), morpholin-4-yl (commonly called morpholino) , N-methylpiperazin-4-yl (commonly called N- methylpiperazino), 1H-1-imidazol-1-yl or 4H-1,2,4- triazol-4-yl. 1H-1-imidazol-1-yl, 4H-1,2,4-triazol-4-yl and piperazino are the preferred heterocyclyls.
  • Substituted heterocyclyls include lower alkyl substituted heterocyclyls, especially N-loweralkylheterocyclyls such as N-methylmorpholin-4-yl, N-ethylpiperazino, N-(1-methylethyl)piperazino, but also 2-methylpyrrolidino, 4-methylpiperidino, 5-methyl-1H-1,2,4- triazol-3-yl, 3-methyl-1-phenyl-1H-1,2,4-triazol-5-yl, and 2-methylpyridyl; (C 2 -C 8 ) alkanoyl heterocyclyls such as 2-acetylthiophenyl, 2-acetylpyrrolidino; haloheterocyclys such as 2-halo-3-thienyl, 2,5-dihalo-3-thienyl, and 5-halo-2-thienyl; N-(C 2 -C 8 ) alkanoyl heterocyclyls such as
  • Type i A is Oxygen
  • B and C are each -CH 2 -
  • Type ii B is Oxygen
  • a and C are each -CH 2 -
  • Type iii C is Oxygen
  • a and B are each -CH 2 -
  • Type iv A is Oxygen
  • the cis-series is preferred for Types i, ii, iii and iv.
  • Hal is F or CI, preferably F; R 1 is hydrogen and Z is lower alkyl, (C 2 -C 8 ) alkanoyl or phenyl substituted by 2-loweralkyl-3-oxo-1,2,4-triazol-4-yl.
  • R 1 group and the 2,4-dichlorophenyl group are both positioned on the same side or face or plane (below) of the formula.
  • the groups are positioned on opposite faces of the formula.
  • Both cis and trans forms of Types i, ii, iii and iv are contemplated as being within the scope of this invention as are individual optical isomers e.g., ( ⁇ ) -cis-2,5 and ( ⁇ ) -cis-2,5, each of which can be obtained by resolution of a racemic mixture [( ⁇ )-cis-2,5] by conventional means well known to those skilled in the art.
  • Compounds of formula II may also be resolvable, i.e., exist as individual optical isomers or mixtures thereof.
  • Compounds represented by formula I exhibit broad spectrum antifungal activity, in conventional antifungal screening tests, against human and animal pathogens, such as the following: Aspergillus, Candida, Epidemophyton, Geotrichum, Monosporium, Rhodotorula, Saccharomyces, Torulopsis and Trichophyton.
  • the compounds of formula I exhibit topical and oral fungal activity in in vivo tests in animals that is comparable to or better than that for ketoconazole, a commercial product.
  • the present invention also provides a composition for treating or preventing fungal infections comprising an antifungally effective amount of a compound represented by formula I or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier or diluent.
  • the preferred pharmaceutically acceptable salts are nontoxic acid addition salts formed by adding to the compounds of the present invention about a stoichiometric amount of a mineral acid, such as HCl, HBr, H 2 SO 4 or H 3 PO 4 , or of an organic acid, such as acetic, propionic, valeric, oleic, palmitic, stearic, lauric, benzoic, lactic, para-toluene sulfonic, methane sulfonic, citric, maleic, fumaric, succinic and the like.
  • a mineral acid such as HCl, HBr, H 2 SO 4 or H 3 PO 4
  • an organic acid such as acetic, propionic, valeric, oleic, palmitic, stearic, lauric, benzoic, lactic, para-toluene sulfonic, methane sulfonic, citric, maleic, fumaric, succinic and the like.
  • compositions of the present invention may be adapted for oral, parenteral, topical or vaginal administration. They are formulated by combining the compound of formula I or an equivalent amount of a pharmaceutically acceptable salt I with any suitable, inert, pharmaceutically acceptable carrier or diluent.
  • compositions include solid or liquid compositions for oral administration such as tablets, capsules, pills, powders, granules, solutions, suppositories, suspensions or emulsions.
  • a solid carrier can be one or more substances which may also act as diluents, flavoring agents, solubilizers, lubricants, suspending agents, binders or tablet disintegrating agents; it can also be an encapsulating material.
  • the carrier is a finely divided solid which is in admixture with the finely divided active compound.
  • the active compound is mixed with carrier having the necessary binding properties in suitable proportions and compacted in the shape and size desired.
  • Topical dosage forms may be prepared according to procedures well known in the art, and may contain a variety of ingredients, excipients and additives.
  • the formulations for topical use include ointments, creams, lotions, powders, aerosols, pessaries and sprays.
  • a low melting wax such as a mixture of fatty acid glycerides or cocoa butter is first melted, and the active ingredient is dispersed homogeneously therein as by stirring. The molten homogeneous mixture is then poured into convenient sized molds, allowed to cool and thereby solidify.
  • Liquid form preparations include solutions, suspensions and emulsions. As an example may be mentioned water or water-propylene glycol solutions for parenteral injection.
  • solid form preparations which are intended to be converted, shortly before use, to liquid form preparations for either oral or parenteral administration.
  • the solid form preparations intended to be converted to liquid form may contain, in addition to the active material, flavorants, colorants, stabilizers, buffers, artificial and natural sweeteners, dispersants, thickeners, solubilizing agents and the like.
  • the solvent utilized for preparing the liquid form preparation may be water, isotonic water, ethanol, glycerine, propylene glycol and the like as well as mixtures thereof.
  • Parenteral forms to be injected intravenously, intramuscularly, or subcutaneously are usually in the form of a sterile solution, and may contain salts or glucose to make the solution isotonic.
  • topical dosage for humans for antifungal use in the form of a pharmaceutical formulation comprising a compound of formula I (usually in the concentration in the range from about 0.5% to about 20% preferably from about 1% to about 10% by weight) together with a non-toxic, pharmaceutically acceptable topical carrier, is applied several times daily to the affected skin until the condition has improved.
  • the oral dosage for humans for antifungal use ranges from about 1 mg per kilogram of body weight to about 50 mg per kilogram of body weight per day, in single or divided doses, with about 2 mg per kilogram of body weight to about 20 mg per kilogram of body weight per day being preferred.
  • the parenteral dosage for humans for antifungal use ranges from about 0.5 mg per kilogram of body weight per day to about 20 mg per kilogram of body weight per day, in single or divided doses, with about 10 mg per kilogram of body weight per day being preferred.
  • the compounds of this invention also are useful in treating or preventing an allergic reaction and/or inflammation in a host e.g. a warm blooded mammal such as man.
  • compositions useful for treating or preventing allergic reactions and/or inflammation are analogous to those described hereinabove in reference to the antifungal pharmaceutical composition.
  • the compounds of formula I are effective non-adrenergic, non-antichlolinergic, anti-anaphylactic agents.
  • the compounds may be administered by any convenient mode of administration for treatment of allergic reactions employing an antiallergically, or antiinflammatory effective amount of a compound of formula I for such mode.
  • the oral dosage for humans for antiallergy and/or antiinflammatory use ranges from about 10 mg to about 500 mg per kilogram of body weight per day, in single or divided doses.
  • the total daily dosage is administered in 2-4 divided doses per day.
  • parenteral e.g. intravenous dosage for humans from antiallergy and/or antiinflammatory use ranges from about 0.1 mg per day to about 10 mg per kilogram of body weight per day, in single or divided doses.
  • the compounds of formula I also may be administered by inhalation (aerosol or nebulizer).
  • inhalation dosage for humans for antiallergy use ranges from about 0.1 to 5 mg per puff. One to four puffs may be taken every 4 hours.
  • a compound of formula I When administered for the treatment of hyperproliferative skin disease, e.g. psoriasis, a compound of formula I may be administered topically, orally, rectally or parenterally. When administered topically, the amount of compound administered varies widely with the amount of skin being treated, as well as with the concentration of active ingredient applied to the affected area.
  • the compounds of formula I are effective for the treatment of hyperproliferative skin disease at daily doses ranging from about 0.1 mg/kg of body weight to about 500 mg/kg of body weight, preferably in doses of 10 mg to 100 mg/kg of body weight, which may be administered in single or divided doses.
  • the compounds of formula I When administered rectally, the compounds of formula I may be administered in doses ranging from about 0.1 mg to about 1000 mg.
  • the compounds of formula I When administered parenterally, the compounds of formula I are effective for the treatment of hyperproliferative skin disease in daily doses ranging from about 0.1 mg/kg body weight to about 10 mg/kg
  • compositions for topical application to the skin whereby the compounds having structural formula I are effective in the treatment and control of skin diseases characterized by rapid rates of cell proliferation and/or abnormal cell proliferation, e.g., psoriasis.
  • a pharmaceutical formulation comprising a compound of formula I, (usually in concentrations in the range of from about 0.01 percent to about 10 percent, preferably from about 1 percent to about 5 percent) together with a non-toxic, pharmaceutically acceptable topical carrier, is applied several times daily to the affected skin until the condition has improved. Topical applications may then be continued at less frequent intervals (e.g. once a day) to control mitosis in order to prevent return of severe disease conditions.
  • the compounds represented by formula IIa exhibit in vitro immunomodulating activity in a conventional screening test detailed hereinbelow.
  • the compounds of formula IIa are useful as immunosuppressives as indicated by their inhibition of the proliferation of T cells and B cells and are therefore useful in treating autoimmune disease and reaction and other immunological diseases including bone marrow rejection, organ transplant rejection as well as skin graft rejection phenomena in a host, e.g. a warm blooded mammal such as man.
  • compositions useful for treating autoimmune diseases and reactions in man are analogous to those described hereinabove with reference to the antifungal pharmaceutical composition for compounds of formula I.
  • the compounds of formula IIa may be administered by any convenient mode of administration for treatment of autoimmune diseases, reactions and other immunological diseases by employing an immunomodulating effective amount of a compound of formula IIa for such mode.
  • the topical dosage for humans for immunomodulating use in the form of a pharmaceutical formulation comprising a compound of formula IIa (usually in the concentration in the range from about 0.1% to about 5%, preferably from about 1% to about 3% by weight) together with a non-toxic, pharmaceutically acceptable topical carrier, is applied several times daily to the affected skin until the condition has improved.
  • the oral dosage for humans for immunomodulating use ranges from about 1 mg per kilogram of body weight to about 300 mg per kilogram of body weight per day, in single or divided doses, with about 50 mg per kilogram of body weight to about 200 mg per kilogram of body weight per day being preferred.
  • parenteral dosage for humans for immunomodulating use ranges for about 25 mg per kilogram of body weight per day to about 300 mg per kilogram of body weight per day, in single or divided doses, with about 50 to about 100 mg per kilogram of body weight per day being preferred.
  • the actual preferred dosages of the compounds of the present invention of formulas I or IIa or pharmaceutically acceptable salts thereof will vary according to the particular composition formulated, the mode of application and the particular situs, host, the allergic reaction or disease being treated. Many factors that modify the action of the drug will be taken into account by the attending clinician when determining a treatment regimen, e.g., age, body weight, sex, diet, time of administration, rate of excretion, condition of the host, drug combinations, reaction sensitivities and severity of the disease or symptoms of the allergic and/or inflammatory reaction. Administration can be carried out continuously or periodically within the maximum tolerated dose. Optimal application rates for a given set of conditions can be readily ascertained by the attending clinician using conventional dosage determination tests.
  • the anti-allergy property of the compounds of formula I is evaluated by measuring the inhibition of the release of the mediator SRS-A (slow reacting substance of anaphylaxis) from sensitized guinea pig lung fragments after antigen challenge.
  • SRS-A slow reacting substance of anaphylaxis
  • SRS-A and histamine were studied in lungs from actively sensitized guinea pigs.
  • Male Harley guinea pigs 250-300 g, obtained from Charles River or Dutchland Farms) were sensitized with 5 mg ovalbumin injected intraperitoneally and 5 mg subcutaneously in 1 ml saline on day one, and 5 mg ovalbumin injected intraper itoneally on day four.
  • the sensitized animals were used 3-4 weeks later.
  • Sensitized guinea pigs were killed by a blow to the head and the lungs removed and cleaned of visable connective tissue, trachea and large blood vessels.
  • the lungs from individual animals were sliced into fragments approximately 1 mm in thickness using a Mcllwain chopper and then washed with oxygenated Tyrode's buffer.
  • Weighed aliquots (approximately 400 mg wet weight) of lung were transferred into vials containing 2 ml of fresh Tyrode's solution and incubated in the presence or absence of test compound 12 min at 37°C followed by challenge of the tissue with 20 ⁇ g ovalbumin/ml (final concentration).
  • the vials were cooled to 4°C and 1.5 ml of clear supernatant media was removed and mixed with 6 ml of cold 100% ethanol. This mixture was thoroughly vortexed and kept at -15°C for 30 min to allow precipitation of protein. The samples were then centrifuged at 1000 ⁇ g for 15 min at 2°C and the clear supernatant fluid removed into polyethylene tubes and taken to dryness at 50°C under a stream of N 2 gas. The samples were stored at -70°C until assayed for SRS-A by bioassay or radioimmune assay.
  • the compounds of formula I inhibit the release of SRS-A from sensitized guinea pig lung fragments as measured using the test techniques described above.
  • the compounds of formula I inhibit 5-lipoxygenase activity, which inhibitory activity has been associated with anti-allergy and anti-inflammatory activity.
  • the compounds of formula I are thus useful for the treatment of allergies, allergic chronic obstructive lung diseases, inflammation, arthritis, bursitis, tendonitis, gout and other inflammatory conditions.
  • the 5-lipoxygenase inhibitory activity of the compounds of formula I may be demonstrated by the procedure described below:
  • the IL-3-dependent murine mast cell clone, MC-9 was used to test the effects of compounds of formula I on cyclooxygenase and lipoxygenase activities.
  • the MC-9 cell line was grown in suspension culture (0.4 to 1.2 ⁇ 10 6 cells/ml) in RPMI 1640 medium (Gibco) with 10% fetal bovine serum (Hyclone) and 2-5% conconavalin-A conditioned supernatant [Musch et. al., Prostagandins, (1985) pp 405-430,].
  • MC-9 cells (0.39 ml at 7.5 ⁇ 10 6 cells/ml) were preincubated with DMSO vehicle with or without test compound (1 ⁇ l) for 4 minutes ("min") then incubated 5 min with [ 14 C] arachidonic acid (Amersham, 59 Ci/mole) at a 9 ⁇ M final concentration and A23187 (Calbiochem) at a 1 ⁇ M final concentration added in 10 ⁇ l of water:ethanol (9:1). The reaction was stopped by addition of methanol (0.4 ml), and cellular debris was removed by centrifugation.
  • the effluent was analyzed by a continuous flow radioactivity monitor (model ROMONA-D) interfaced with a Hewlett Packard Lab Automation System for quantitation of radioactive products. These were predominantly prostaglandin D2 which eluted at 4 min (PGD 2 ), leukotriene C 4 (LTC 4 ) which eluted at 6 min, and 5-hydroxyeicosatetraenoic acid (5-HETE) which eluted at 11 min (Musch, et al. (1985) Prostagandins 29, 405-430). The results with and without test compounds were used to calculate percent inhibition of PGD 2 , LTC 4 and HETE production for compounds of formula I.
  • the compounds of formula I are useful in the treatment of hyperproliferative skin disease, e.g., psoriasis, in mammals, e.g., humans, which may be demonstrated by their 5-lipoxygenase inhibitory activity as discussed above or by the Arachidonic Acid Mouse Ear Test as described below.
  • mice Charles River, female, CD, (SD) BR mice, 6 weeks old, are caged 8 animals/group and allowed to acclimate 1-3 weeks prior to use.
  • Arachidonic acid (AA) is dissolved in reagent grade acetone (2 mg/.01 ml) and stored at -20°C for a maximum of 1 week prior to use. Inflammatory reactions are induced by applying 10 ml of AA to both surfaces of one ear (4 girt total).
  • Test drugs are dissolved in either reagent grade acetone or aqueous ethanol (only if insoluble in acetone) at the same doses selected by Opas et al., Fed. Proc. 43, Abstract 2983, p. 1927 (1984) and Young et al., J. Invest. Dermatol. 82, pp. 367-371 (1984). These doses are employed to ensure maximum responses and to overcome any difference in topical absorption which could occur with any drug applied in an aqueous ethanol vehicle. The test drug is applied 30 minutes prior to challenge with AA.
  • the severity of the inflammation is measured as a function of increased ear weight.
  • a 6 mm punch biopsy is removed 1 hour after AA challenge and weighed to the nearest 0.1 mg .
  • Mean ⁇ standard error and all possible comparisons are made via Duncan's Multiple Range Statistic.
  • the immunomodulating activity of the compounds of formula IIa may be demonstrated by their inhibition of T cell and B cell proliferation in the following test.
  • Spleen cells were obtained from six to eight week old C57 B1/6J male mice.
  • One million viable spleen cells were cultured in triplicate in microtest II plates in the presence of 1 ⁇ g concanavalin A (Con A) 0.25 ⁇ g phytohemagglutinin ( PHA) or 1. 5 ⁇ g lipopolysaccharide
  • the cells were harvested and processed on a mash II harvester.
  • a stock solution of 1 ⁇ 10 -2 ⁇ g. of the drug was prepared in distilled water and then diluted with medium to the appropriate concentration. Drugs were added at the initiation of culture at concentrations of
  • Immunomodulatory activity was determined by measuring percent inhibition of T cell proliferation for Con A and PHA and of B cell proliferation. Compounds exhibiting >60% inhibition were determined to have great immunomodulating activity.
  • the tetrahydrofuran compounds of the present invention represented by formulas I, II and IIa may be synthesized utilizing the sequence of reactions illustrated in the following Schemes 1 and 2 (Type i), 3 (Type ii) and 4 (Type iii).
  • the oxetane compounds of the present invention (Type iv) represented by formulas I and IIa may be synthesized utilizing the sequence of reactions illustrated in Scheme 5.
  • Ar, Y, R 1 , R 2 and Q have the same meaning as defined hereinabove.
  • LG means leaving groups readily removable under conventional conditions well known to those skilled in the organic synthetic arts so as to form the compound represented by formula I.
  • Typical suitable leaving groups include but are not limited to halide especially bromide but also iodide, trifluoromethylsulfonyloxy, and 4-methylphenylsulfonyloxy.
  • Compound III may be prepared by treating
  • ketones of the formula with dimethyloxosulfonium methylide [produced and used as described in European Patent Application 97425 published January 4, 1984] to produce the oxirane of formula III. See for example. Example 1 herein.
  • Compounds of formula III are treated with the appropriate azole anion in aprotic solvents such as dimethylformamide (hereinafter "DMF") to produce the tertiary alcohol of formula IV.
  • DMF dimethylformamide
  • the tertiary alcohol of formula IV may be treated with halogen such as bromine and an inert solvent such as methylene chloride and base such as sodium carbonate to produce the tetrahydrofuran of formula VI wherein LG is Br, as well as the corresponding trans-isomer.
  • the tertiary alcohol of formula IV may also be treated with a peracid such as m-chloroperbenzoic acid (MCPBA) in an inert solvent such as methylene chloride or chloroform to produce the oxirane of formula V.
  • MCPBA m-chloroperbenzoic acid
  • the oxirane of formula V may be treated with acid in an inert solvent such as methylene chloride to produce the cis-tetrahydrofuran compound of formula VII plus the corresponding trans-isomer.
  • Typical suitable acids include mineral acids such as HCl, HBr, H 2 SO 4 and sulfonic acids such as p- toluene sulfonic acid.
  • reaction of Q- with cis-VI/trans-VI may be carried out in aproptic solvents such as DMF or DMSO at temperatures between 20°C and 100 °C.
  • aproptic solvents such as DMF or DMSO at temperatures between 20°C and 100 °C.
  • the mixtures of cis-I and trans-I may be isolated and separated using standard separation techniques such as chromatography.
  • the compounds of formula I have at least two asymmetric carbon atoms in their structures, namely those located at 2- and 5-positions of Type i or the 2- and 4- positions of the five membered ring compounds Type ii and iii, and consequently can exist in different stereo chemical isomeric forms.
  • the stereochemical isomeric forms of I and the pharmaceutically acceptable acid addition salts thereof are intended to be within the scope of this invention.
  • stereomeric isomers of I are denoted as cis- and trans- forms respectively, according to the rules described in C.A., 76, Index Guide, Section IV, p. 85 (1972), and may be separated by conventional methods.
  • Appropriate separation methods which may advantageously be employed therefore include, for example, selective crystallization and chromatography separation, e.g. column chromatography.
  • XIV and/or XlVa are useful key intermediates for preparing compounds of the present invention.
  • the free hydroxy group of XIV is first converted to a leaving group such as -OSO 2 Me, -OSO 2 CF 3 , I or Br using well known procedures and reagents. Displacement of the leaving group with 1-H-azolyl anion according to procedure of U.S.
  • Patent 4,518,415 followed by debenzylation using standard conditions gives the ( ⁇ ) cis-VII.
  • Introduction of the R 2 moiety is accomplished by methodology well known in art as shown in Scheme 2 to provide compounds of Type i in a stereospecific manner.
  • the group Q is introduced first via mesylation of free hydroxy group followed by nucleophilic displacement of the mesyl group with Q-.
  • the resulting compound is deprotected using standard conditions. mesylated and treated with azolyl anion to provide compounds of Type i in a stereospecific manner.
  • introduction of R 2 can be accomplished by the same sequence of reactions on XlVa as already described for VII.
  • Compound XII can be converted regio specifically into a lactone [not shown in Scheme 2, but see Example 69(a) +, (b)].
  • the lactone can be converted in the cis-compound of formula VII by methods well known to those skilled in the art.
  • the cis compound of formula VII is thereafter converted into the cis-compound of formula I (type i) without production of the corresponding trans-isomer.
  • the oxirane of formula XVI (prepared according to U.K. Patent G.B. 2099818A) is treated with an R 1 - substituted dialkyl malonate anion in DMF or DMSO to produce the ( ⁇ )-cis lactone of formula XVII in admixture with the corresponding trans-isomer.
  • Reduction of XVIIwith reagents such as lithium aluminium hydride or lithium borohydride gives a triol intermediate which is not isolated but is treated with an acid (e.g. conc. HCl) to provide the ( ⁇ )-cis-tetrahydrofuran of formula XVIII in admixture with its ( ⁇ )-trans-isomer.
  • Oxidation of XVIII to the aldehyde of formula II followed by treatment with R 2 MgX (a Grignard reagent) provides XVIIIa.
  • Treatment of either XVIII or XVIIIa in a manner analogous to treatment of VII according to Scheme 1 results in compounds of Type-ii.
  • aryl methyl acetates of formula XIX may be treated with dimethyl carbonate or methyl chloroformate in the presence of base (e.g. NaH in DMF) to produce the aryl-substituted malonate of formula XX.
  • base e.g. NaH in DMF
  • Alkylation of XX under standard conditions e.g. NaOET NaH/DMF
  • R 1 ,R 2 -substituted allyl bromide of the formula XXI available commercially from e.g. Aldrich
  • XXXI Treatment of XXX with Q- in DMSO produces isomeric 2,4-pentanediol compounds of formulas XXXI (isomer-1) and XXXII (isomer-2).
  • Compounds of formula XXXI and XXXII exhibit broad spectrum antifungal activity, in conventional antifungal screening tests, against human and animal pathogens, such as the following: Aspergillus, Candida, Epidemophyton, Geotrichum, Monosporiurn, Rhodotorula, Saccharomyces, Torulopsis and Trichophyton.
  • the compounds of formulas XXXI and XXXII exhibit topical and oral antifungal activity in in vivo tests in animals that is at least comparable to or better than that for ketoconazole, a commercial product.
  • Treatment of XXXI or XXXII with tosyl chloride and base converts the 2-hydroxyl group into a tosylate which upon treatment with an alkyl lithium reagent e.g. n-butyl lithium produces ( ⁇ )-cis- and ( ⁇ )-trans-oxetanes of formula I Type iv by intramolecular nucleophilic displacement of the tosyl group by the hydroxy anion at C-4.
  • an alkyl lithium reagent e.g. n-butyl lithium produces ( ⁇ )-cis- and ( ⁇ )-trans-oxetanes of formula I Type iv by intramolecular nucleophilic displacement of the tosyl group by the hydroxy anion at C-4.
  • compounds having Ar equal to 2,4-difluorophenyl may be prepared by substituting an equivalent amount of the 2,4-difluorophenyl substituted starting material corresponding to the 2,4-dichlorophenyl substituted starting material employed in such Examples and thereafter using analogous procedures well known to those skilled in the art.
  • compounds having Ar equal to 2,4-dichlorophenyl may be prepared by substituting an equivalent amount of the 2,4-dichlorophenyl substituted starting material for the corresponding 2, 4-difluorophenyl starting material used.
  • TLC thin layer chromatographic analysis
  • the pH of the aqueous phase was adjusted to 9 with 5% aqueous potassium carbonate and extracted with methylene chloride (75 ml x 2).
  • the methylene chloride extract was dried (MgSO 4 ) and evaporated in vacuo to provide the crude product (820 mg) which was chromatographed on silica gel (60 g). Elution with 2-4% methanol in methylene chloride provided in some fractions the desired title compound (225 mg) which was treated with etheral HCl to give the trihydrochloride salt of the title compound as a white solid, m.p. 170-175°.
  • the reaction mixture was poured into 250 ml of methylene chloride which was extracted with three 250 ml portions of H 2 O.
  • the methylene chloride was dried over anhydrous MgSO 4 and concentrated to a gum.
  • the gum was chromatographed on silica gel, eluting with 1% MeOH/ H 2 CCl 2 containing 1 ml of con. NH 4 OH per liter of solution to give 379 mg of the title compound, M/e, M + 471.
  • the reaction mixture was stirred for 1 hour at 0-5°C and then 18 hours at room temperature.
  • the MeOH was removed under reduced pressure.
  • the residue was dissolved in 500 ml of H 2 CCl 2 and 500 ml of H 2 O, the so formed mixture stirred for 5 min.
  • the organic phase was separated, dried over anhydrous MgSO 4 and concentrated to a gum.
  • the gum was chromatographed on silica gel, eluting with 1% MeOH/H 2 CCl 2 containing 1 ml of con. NH 4 OH per liter of solution to give 1.06 g of the title compound, M/e, M + 460.
  • the ether extract was treated as in Step a to provide the crude 2',4'-difluorophenyl-(3-butenyl) ketone as a pale yellow oil which was chromatographed on silica gel (900 gm) using 20% methylene chloride in n-hexanes as eluent. Some of the fractions which contained the desired 1- (2',4'-difluorophenyl)-4-penten-1-one were evaporated in vacuo to provide the pure material (82 gm). This was used in the next step.
  • the ether extract was treated as in Step a to provide the crude product as an oil (74.7 gm) which was then chrcmatographed on silica gel (1200 gm) using n-hexane as eluent.. The fractions containing the desired product were combined and evaporated in vacuo to provide pure oxirane as a light oil (36 gm). This was used immediately in the next step.
  • step d A solution of product of step d (34.2 gm) in methylene chloride (950 ml) was cooled in an ice-MeOH bath. To this solution was added with stirring m-chloroperbenzoic acid (24 gm) within 15 min. The reaction mixture was then allowed to warm up to room temperature and stirred overnight. TLC indicated presence of some unreacted starting material so additional m-chloroperbenzoic acid (5 gm) was introduced and stirring continued for another 5 hours. The reaction was treated according to the procedure of Step a to provide almost pure above-named ethanol (36 gm) which was used as such in the next reaction.
  • the reaction mixture was stirred at 75°C for 3 hours, cooled to room temperature and then poured the reaction mixture into 1 liter of methylene chloride.
  • the organic phase was extracted with three 1 liter portions of H 2 O, dried over anhydrous MgSO 4 and concentrated.
  • the so formed residue was chromatographed on silica gel, eluting with 1% MeOH/H 2 CCl 2 containing 1 mL conc. NH 4 OH per liter of solution to give 6.3 g of solid which was treated with charcoal and recrystallized from hexane/H 2 CCl 2 to give 3.20 g of the title compound as a solid, m.p. 108-110°C M/e, M + 498; theory 65.17%C, 6.68%H, 14.08%N, 7.64%F; found 64.96%C, 6.68%H, 13.93%N, 7.51%F.
  • the gum was chromatographed on silica gel, eluting with 1% MeOH/H 2 CCl 2 containing 1 mL of conc. NH 4 OH per liter of solution to give 2.69 g of the title compound, M/e, M + 301.
  • Example 39 Sodium hydride (135 mg; 60% oil dispersion) was added portionwise to a solution of the title compound of Example 39 (1.0g) in DMF (15 mL). The reaction mixture was heated for 30 minutes at 45°C and was then allowed to cool to room temperature. 1-Chloro-4-nitrobenzene (510 mg) was added in portions and the so formed mixture was stirred at room temperature. Water (120 mL) was carefully added and the so formed mixture was extracted with ethyl acetate (100 ml x 2).
  • step i A solution of the product of step i (1.87 g) in methanol: CH 2 Cl 2 (1:1; 30 ml) was cooled to -60°C. Ozone was passed through this stirred solution until formation of a persistent blue colour (indicating excess ozone). Argon was bubbled through the reaction mixture until the blue colour disappeared. Dimethyl sulfide (0.6 ml) was then added. The reaction mixture was stirred at -10°C for 1 hour and finally at room temperature for 1 hour. After evaporation of the solvent in-vacuo, the residue was treated with 40% aqueous NaOH (2 ml) and 30% H 2 O 2 (1.6 ml) While cooling in ice-salt bath.
  • the less polar (120 mg) component was ( ⁇ ) cis-2-(4-chlorophenyl)tetrahydro-5-[(phenyImethoxy)methyl]-2-furanmethanol.
  • the more polar (170 mg) component was ( ⁇ ) cis-2-(4-chlorophenyl)tetrahydro-2-[(phenyImethoxy)methyl]-5-furanmethanol.
  • Example 59 The title compound of Example 59 was partially reduced over Adam's platinum catalyst according to the procedure of Example 54 to provide the title compound of this Example as a crystalline solid, m.p. 78°C.
  • Example 60 ( ⁇ )-cis-2-(2,4-Dichlorophenyl)tetrahydro-2,5- furandicarboxylic acid
  • Example 60 was treated according to the procedures of Example 55 to provide the title compound of this Example which was used without further purification in Example 62.
  • EXAMPLE 62
  • Example 61 This was prepared from the above diacid of Example 61 according to the procedure of Example 56.
  • the title compound was obtained as a low melting solid by chromatography over silica gel using as an eluent: 20% acetone in n-hexane.
  • Example 64 wherein Z is as defined in Example 64
  • Example 25 The procedure of Example 25 is followed except that an equivalent quantity of p-nitrobenzenethiol is substituted for 4-(1H-1,2,4-triazol-1-yl) thiophenol.
  • the product so formed is reduced in accordance with the procedure of Example 43 and the so-formed product is converted into the corresponding piperazine derivatives by the procedure of Example 44.
  • the so-formed product is converted into the title compounds in accordance with the procedure of USP 4,456,605.
  • Example 64 wherein Z is as defined in Example 64
  • the title compound of Example 46 is reduced to the corresponding amino compound in accordance with the procedure of Example 43.
  • the so-formed product is converted into the corresponding piperazine compound in accordance with the procedure of Example 44.
  • the so-formed piperazine compound is converted into the title compounds in accordance with the procedure of USP 4,456,605.
  • Ar is phenyl substituted by one or more of halo, nitro, cyano, lower alkyl, lower alkoxy or perhalo (lower)alkyl; and A, B, C, Y, W, Z, R 1 and R 2 are defined as hereinabove (but R 2 is not hydroxy) may be made by substituting the appropriate starting material for the starting material used in Example 44 and thereafter using the procedure of USP 4,456,605.
  • Example 68(a) The title compound of Example 68(a) (4.8 g, 13.6 mmole) and lithium chloride (.96 g, 27.2 ml) were dissolved in abs. EtOH (250 mL) and cooled to 0-5°C. Sodium borohydride (1.03 g, 27.2 mmole) was added to the solution and the reaction mixture was stirred overnight and the temperature of the mixture slowly was allowed to rise to RT. Water (10 mL) was added thereto and the so-formed mixture was stirred for 30 min. at RT. The mixture was evaporated in vacuo to give a residue containing the title compound, of Example 68(b), as a gum M/e, M + 314.
  • Example 68(b) The residue from Example 68(b) was dissolved in 6N HCl (100 mL) and dioxane (100 mL). The so-formed mixture was heated at reflux overnight and then was cooled to RT and conc. NH 4 OH was added until the pH of mixture was 8-9. Brine (100 mL) was added thereto and the reaction mixture was extracted with H 2 CCl 2 (250 mL). The organic layer was separated, dried over anhydrous MgSO 4 and evaporated in vacuo to give a residue. The residue was chromatographed on silica gel, eluting with 2% MeOH/H 2 CCl 2 containing 2 mL conc.
  • Example 68(c) The title compound of Example 68(c) (1.86 g, 6.30 mmole) was dissolved in dry pyridine (25 ml). The solution was cooled to 0-5°C, methanesulfonyl chloride (.61 mL, 7.78 mmole) was added thereto and the mixture was stirred 2 hrs. at 0-5°C. The reaction mixture was evaporated in vacuo to provide a residue which was dissolved in H 2 CCl 2 (150 mL) and 5% NaHCO 3 (50 mL).
  • Example 69(a) To a solution of the crude diacid (1.5 gm) from Example 61 in dry CH 2 Cl 2 (13 mL) was added ethoxyacetylene (2.5 mL). After stirring for 3 days at room temperature in a stoppered flask, the reaction mixture was evaporated to dryness under reduced pressure to provide the title compound of Example 69(a). It was used in the reaction below, without further purification.
  • Example 69(b) separated as colorless crystalline solid, (0.7 g), m.p. 136°-137°C, and was collected by filtration: PMR ⁇ H (CDCl 3 ): 2.03 (m,1H), 2.165 (m,1H), 2.4 (m,1H) 3.05 (m,1H), 3.72 (q,1H), 3.99 (q,1H), 4.37 (m,1H), 7.27 (q,1H), 7.4 (d,1H), 7.59 (d,1H)
  • a suspension of lithium aluminium hydride (LAH) (310 mgs) in dry diethyl ether (40 mL) was efficiently stirred under a N 2 atmosphere and treated dropwise with a solution of the diester of Example 62, ⁇ 1 gm) in diethyl ether (20 mL). After stirring the reaction mixture at room temperature for 4 hours, water (0.32 mL) and then aqueous NaOH (320 mgs in 1 ml water) were added. The so-formed mixture was stirred for another 20 minutes. The granular precipitate so-obtained was removed by filtration and washed with EtOAc. The combined filtrate was dried (Na 2 SO 4 ) and evaporated to dryness in-vacuo.
  • LAH lithium aluminium hydride
  • Example 67 To a solution of title compound of Example 67 (1.11 g, 5.0 mmole) in dry DMSO (20 ml) was added NaH (60% oil dispursion, 240 mg, 6.0 mmole) and the so-formed reaction mixture was stirred for 20 min.
  • Example 70(a) To a solution of NaOEt, made from Na (3.67 g, 159 mole) in abs. EtOH (500 ml), was added the title compound of Example 70(a) (41.0 g, .145 mole). The mixture was heated to reflux, and allyl bromide (13.8 mL, 159 mole) was added dropwise thereto over a 10 min. period and the so-formed mixture was heated at reflux for 90 min. The EtOH was removed in vacuo and the resulting residue was dissolved in H 2 CCl 2 (750 ml) and water (250 ml) and acidified to pH 2-3 with 6NHCl. The organic layer was separated, washed with brine, dried over anhydrous MgSO 4 , and evaporated in vacuo to give 40.5 g of the title compound of Example 70(b), as a gum, M/e, M + 313.
  • Example 70b The title compound of Example 70b (40.5g, .129 mole), in 100 mL of dry tetrahydrofuran (THF), was added dropwise over 20 min. to a stirred cooled solution (0-5°C) of 1.0M LAH in THF (155 mL, 1.55 mole), and so-formed reaction mixture was stirred for 2 hrs. at RT. The mixture was cooled to 0-5°C and water was added (15 mL) dropwise over 30 min. The so-formed reaction mixture was concentrated in vacuo to about 200 mL, The concentrate was poured into H 2 CCl 2 (1 liter) and H 2 O (200 ml) and acidified to pH 2-3 with 6N HCl.
  • THF dry tetrahydrofuran
  • Example 70(f) The title compound of Example 70(f) (4.00 g, 7.54 mmole) was dissolved in 25 mL of 10% HCl. The mixture was stirred at RT for 90 min. and then poured into H 2 CCl 2 (500 mL) and H 2 O (200 mL) and basified to pH 9-10 with 50% NaOH. The H 2 CCl 2 layer was washed with brine (200 mL) dried over MgSO 4 , and evaporated in vacuo. The residue was chromatographed on silica gel, eluting with 2% MeOH/H 2 CCl 2 containing 2 mL of conc. NH 4 OH per liter of solution to give 2.55 g of the title compound of Example 70(g) as a gum, M/e, M + 447.
  • Example 70(g) The title compound of Example 70(g) (2.55 g, 5.71 mmole) was dissolved in dry pyridine (25 mL). After cooling the solution to 0-5°C, methanesulfonyl chloride (.49 mL, 6.28 mmole) was added and the mixture was stirred 2 hrs. at 0-5°C. The reaction mixture was evaporated in vacuo, and the residue was dissolved in H 2 CCl 2 (300 mL) and 5% NaHCO 3 (300 mL).
  • Example 71(b) The title compound of Example 71(b) was dissolved in 30 mL of 10% HCl. The mixture was stirred 90 min. at RT, poured into H 2 CCl 2 (500 ml) and H 2 O (200 ml) and basified to pH 9-10 with 50% NaOH. The H 2 CCl 2 layer was washed with brine (200 ml) dried over anhydrous MgSO 4 , and evaporated in vacuo. The so-formed residue was chromatographed on silica gel, eluting with 1% MeOH/H 2 CCl 2 (v/v) containing 1 ml conc.
  • Example 71(c) The title compound of Example 71(c) (4.31 g, 9.65 mmole) was dissolved in dry pyridine (30 mL). After cooling the so-formed mixture to 0-5°C, methanesulfonyl chloride (.82 mL, 10.6 rnmole) was added. The so-formed mixture was stirred 2 hrs. at 0-5°C, and then evaporated in vacuo. The so-formed residue was disolved in H 2 CCl 2 (300 mL) and 5% NaHCO 3 (200 mL).
  • Example 70(d) To a solution of the title compound of Example 70(d) (5.14 g, 9.65 mmole) in dry DMF (50 mL) was added sodium triazole (1.32 g, 14.5 mmole). The so-formed mixture was stirred overnight at 90-100°C. The mixture was cooled to RT and poured into H 2 CCl 2 (500 mL) and extracted with H 2 O (3 x 500 mL). The H 2 CCl 2 layer was dried over anhydrous MgSO 4 and evaporated in vacuo. The so-formed residue was chromatographed on silica gel, eluting with 1% MeOH/H 2 CCl 2 (v/v) containing 1 mL conc. NH 4 OH per liter of solution to give 2.43 g of the title compound of Example 71(e) as a gum, M/e, M 498. EXAMPLE 72
  • Example 72(b) Isomer-1 of Example 72(b) (1.5 g, 0.028 mole) was dissolved in pyridine and was added p-toluenesulfonyl chloride (1.2 g, 0.063 mole) thereto and the so-formed solution was stirred at room temperature overnight. Pyridine was evaporated under high vacuum to provide a crude product which was extracted with H 2 CCl 2 (200 mL) and washed with water. The H 2 CCl 2 extract was dried over anhydrous MgSO 4 and solvent was evaporated to give the title compound of Example 72(c) (1.8 g).
  • Example 72(c) The title compound of Example 72(c) (1.26 g, 0.0018 mole) was dissolved in dry THF (50 mL) and cooled to 0°C and a solution of n-butyllithium (2.5 M, 0.75 mL 0.00087 mole) in hexane was added thereto over 5 minutes. After the addition was complete, the mixture was stirred at 0°C for 15 min. and then at 55°C for 2 hrs. The so-formed reaction mixture was evaporated to dryness to provide a crude product which was dissolved in H 2 CCl 2 and the so-formed solution was washed with water. The H 2 CCl 2 extract was dried over anhydrous MgSO 4 and the solvent evaporated to dryness. The so-formed gum was chromatographed on a silica gel column eluting with CH 2 Cl 2 /3% MeOH (v/v) to give 1.2g of the title compound of Example 72(d), m.p. 121°C.
  • Example 72(b) was treated in accordance with the procedure of Example 72(c) to give 1.85 g of the title compound of Example 73(a) which was used in the next step.
  • b) ( ⁇ )-cis-2-[(4-(4-Isopropyl-piperazin-1-yl)- phenoxy)methy!]-4-(2,4-dichlorophenyl)-4-[1H-1,2,4- triazol-1-yl)methyl] oxetane
  • Example 73(a) The title compound of Example 73(a) (2.0 g) was subjected to the procedure of Example 72(d) to give 0.88 g of the title compound of Example 73 as a solid, m.p. 155-156°C.

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EP89900481A 1987-11-20 1988-11-18 Tri- und tetra-substituierte oxetane und tetrahydrofurane und deren zwischenprodukte Pending EP0386143A1 (de)

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EP (2) EP0386143A1 (de)
JP (2) JPH0717634B2 (de)
AT (1) ATE115577T1 (de)
AU (1) AU2811689A (de)
DE (1) DE3852477T2 (de)
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HK (1) HK186296A (de)
WO (1) WO1989004829A1 (de)

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Also Published As

Publication number Publication date
JPH07196506A (ja) 1995-08-01
ES2065340T3 (es) 1995-02-16
WO1989004829A1 (en) 1989-06-01
ATE115577T1 (de) 1994-12-15
JPH0717634B2 (ja) 1995-03-01
GR3015217T3 (en) 1995-05-31
HK186296A (en) 1996-10-11
AU2811689A (en) 1989-06-14
EP0318214A1 (de) 1989-05-31
DE3852477T2 (de) 1995-05-04
EP0318214B1 (de) 1994-12-14
JPH02504033A (ja) 1990-11-22
DE3852477D1 (de) 1995-01-26

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