摘要:
The present invention discloses a process for the preparation of pregnadiene derivatives having formula I, their stereoisomer and intermediate thereof. Formula I wherein each substituent is independently, R1 and R2 is hydrogen or C1-C8 straight, branched alkyl chain, saturated or unsaturated cycloalkyl; R3 is hydrogen or wherein R5 represents C1-C8 straight, branched alkyl chain or cycloalkyl; R4 is hydrogen or halogen; R6 is hydrogen or halogen;
摘要:
This invention is directed to a method for treating an inflammatory condition, treating haematological and other malignancies, causing immunosuppression, or preventing or treating transplant rejection in man or other animals which comprises administering to a patient a compound that has the structure of Formula (I) or Formula (II) as defined below, or a pharmaceutically acceptable derivative thereof or pro-drug therefor, wherein R═NH2, NHR1, NHOR2, NHNHR2, NHCOR2, and R1═C(1-4)alkyl, C(3-6)cycloalkyl, Cn, where n=1-3, R2=methyl, ethyl, R3=alkyl, cycloalkyl, substituted alkyl, substituted cycloalkyl, aryl, heteroaryl, substituted aryl, or substituted hetrecoaryl; wherein R4, R5═C(1-4)alkyl. Novel compounds according to Formula (III), wherein R6 and R7 are any of H, CH3CO, CH3CH2CO, CH3CH2CH2CO provided that R6 and R7 are not both H, or Formula (IV), wherein R5 and R9 are any of H, CH3CO, CH3CH2CO or CH3CH2CH2CO, having use in such methods, are also described.
摘要:
Carbonates and carbamates of the formula and related steroid carbonates and carbamates are disclosed. The compounds are useful for treating rhinitis and asthma, particularly by inhalation, and for treating inflammation, particularly by local or topical administration.
摘要:
A compound of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, acyl of an organic carboxylic acid of 1 to 8 carbon atoms, allyloxycarbonyl, alkoxycarbonyl and aralkoxycarbonyl of up to 8 carbon atoms and alkylsulfonyl and arylsulfonyl of up to 8 carbon atoms and their use to prepare substituted 16,17-methylenedioxy-steroids and novel intermediates.
摘要:
Pharmacologically active pregnanoic acid derivatives of the Formula I
wherein -A-B- is -CH2-CH2-, -CH CH-, or -CCl CH-; X is a hydrogen atom, a halogen atom, or methyl; -Y-Z- is -CH-CH2-, C CH-, -CV-CHOU-, -CV-CO-, -CW-CHW''-, wherein U is a hydrogen atom or acyl, V is a hydrogen atom or a halogen atom, and W and W'' each are a halogen atom; R1 is alkyl; R2 is alkyl or aryl; or, R1 and R2 together represent a tetramethylene group or pentamethylene group; R3 is a hydrogen atom, an alkali metal atom, or a hydrocarbon. The invention also comprises the process of producing the compounds by various procedures.
摘要:
This invention is directed to a method for treating an inflammatory condition, treating haematological and other malignancies, causing immunosuppression, or preventing or treating transplant rejection in man or other animals which comprises administering to a patient a compound that has the structure of Formula (I) or Formula (II) as defined below, or a pharmaceutically acceptable derivative thereof or pro-drug therefor, wherein RnullNH2, NHR1, NHOR2, NHNHR2, NHCOR2, and R1nullC(1-4)alkyl, C(3-6)cycloalkyl, Cn, where nnull1-3, R2nullmethyl, ethyl, R3nullalkyl, cycloalkyl, substituted alkyl, substituted cycloalkyl, aryl, heteroaryl, substituted aryl, or substituted hetreoaryl; wherein R4, R5nullC(1-4)alkyl. Novel compounds according to Formula (III), wherein R6 and R7 are any of H, CH3CO, CH3CH2CO, CH3CH2CH2CO provided that R6 and R7 are not both H, or Formula (IV), wherein R8 and R9 are any of H, CH3CO, CH3CH2CO or CH3CH2CH2CO, having use in such methods, are also described.
摘要:
Compounds of formula I ##STR1## where R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, n, and are as defined herein, their use as antiinflammatory, immunosuppressive, and antiallergic agents, pharmaceutical compositions comprising them, and methods for their preparation comprising irradiating compounds of formula II ##STR2## under an inert atmosphere, in the presence or absence of a compound of formula R.sub.3 --S--S(O).sub.m --R.sub.8, where R.sub.7, R.sub.8, and m are as defined herein, and methods for their preparation comprising oxidizing, reducing, halogenating, or alkylating compounds of formula I are disclosed.
摘要:
The present invention relates to compounds of the formula: ##STR1## in which X.sub.1 and X.sub.2 correspond to H or F without distinction; R.sub.1 represents the following radicals: ##STR2## and R.sub.2 represents the radicals ##STR3## in the form of an R epimer, an S epimer, or a stereoisomeric mixture of the R and S epimers in terms of the orientation of the substituents on the carbon atom at position 22, novel intermediates and a method of their preparation by hydrolysis-ketalization, and use of such compounds as drugs and/or therapeutic agents.
摘要:
Compounds of the formula: ##STR1## wherein X is H, F, Cl, or CH.sub.3and Y is ##STR2## wherein R.sub.1 is H, alkyl of 1-5 carbon atoms, phenyl, or benzyl;R.sub.2 is COOR.sub.6, R.sub.5 COOR.sub.6, or R.sub.5 CONHR.sub.6 ;R.sub.3 is H, F, OH, or CH.sub.3 ;R.sub.4 is CH.sub.2 OH, CH.sub.2 OCOR.sub.6, COOR.sub.6, or CONHR.sub.6 ;R.sub.5 is alkyl of 1-3 carbon atoms;R.sub.6 is alkyl of 1-5 carbon atoms, or benzyl; represents a single or double bond;.about. represents .alpha.-position, .beta.-position, or a mixture of both .alpha.- and .beta.-positions; and-- represents .alpha.-position;and methods for preparing the same.
摘要:
Novel steroids are described together with processes of making them and pharmaceutical compositions containing them. The steroids have pharmaceutical activity, especially anti-inflammatory activity. They are all 2-Bromo-6.beta.-fluoro-pregna-1,4-diene-3,20-diones.