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JPH0115517B2 |
Compounds of the formula wherein R is phenyl cyclohexyl or lower alkyl containing 1-6 carbon atoms; R'' is hydrogen or methyl; R''' is alkenyl or alkynyl having 3-5 carbon atoms; R' is hydrogen, tetrahydrofuran-2-yl tetrahydropyran-2-yl ...
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JPH0114910B2 |
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JPH0112750B2 |
Novel acetylenic compounds useful as starting materials for the preparation of beta -damascenone. Process for their preparation and use thereof.
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JPS6411625B2 |
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JPS6411620B2 |
Novel 7-hydroxyprostaglandins E1, or stereoisomers thereof, or protected derivatives thereof, having the following formula: …… wherein R<8> represents H, CH3 or C2H5, R<9> represents H or CH3, R<1><0> and R<1><1> are identical or dif...
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JPS6411018B2 |
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JPS6438060A |
NEW MATERIAL:(25R)-Δ22-1,25-dihydroxy-26-methylvitamin D3 and (25S)-Δ22-1,25- dihydroxy-26-methylvitamin D3. USE: Drug having vitamin D-like activity and useful for the prevention and amelioration of bone symptom of renal insufficiency...
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JPS646181B2 |
This disclosure describes novel 2,5-dihydro-2,5-dialkoxyfuran derivatives useful as intermediates for the preparation of the natural prostaglandins and their congeners.
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JPS646189B2 |
A total synthesis of canthaxanthin or dinor-canthaxanthin, known food coloring agents, from pentols.
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JPS6428993A |
PURPOSE: To simply insulate a metal plate exposed on the inner peripheral wall of a through hole and to perform a through hole plating step by forming an insulating substance by an electrodepositing painting using a metal plate as an ele...
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JPS642106B2 |
A process for the preparation of polyene-aldehydes, derived from 2,6-dimethyl-2,4,6,8-nonatetraen-1-al by substitution in the 9-position, by means of the Wittig ylide synthesis. The process is based on the observation, contrary to all ex...
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JPS6366832B2 |
4,5-Unsaturated 16-hydroxy prostanoic acid derivatives displaying valuable pharmacological properties, e.g. gastric antisecretory, are described herein.
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JPS63295551A |
PURPOSE: To purify carotene useful as an additive for food, feed, etc., at low installation and running costs, by subjecting a carotene-containing concentrate to direct molecular distillation. CONSTITUTION: A carotene-containing natural ...
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JPS6361303B2 |
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JPS6361305B2 |
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JPS6361304B2 |
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JPS63287751A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6358827B2 |
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JPS6358826B2 |
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JPS6358825B2 |
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JPS6357425B2 |
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JPS6357424B2 |
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JPS6357427B2 |
1 alpha ,25-Dihydroxy-26,27-dimethylcholecalciferol represented by formula: (I) This compound is prepared by irradiating 26,27-dimethylcholesta-5,7-diene-1 alpha ,3 beta ,25-triol with ultraviolet light, and is useful for the prevention ...
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JPS6357428B2 |
1. Process for the manufacture of 3,5,5-trimethyl-4-[(E)-3-oxo-1-butenyl]-2-cyclohexen-1- -one of the formula see diagramm : EP0036651,P6,F1 characterized by oxidizing alpha-ionone of the formula see diagramm : EP0036651,P6,F2 in concent...
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JPS6357426B2 |
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JPS63264452A |
NEW MATERIAL:A compound expressed by formula I (R'1 is H, OH or protected OH; R2 is H or protecting group of OH; R3 is H, F, OH or protected OH; R4 and R'4 are H or either thereof is H and the other is F, OH, etc., or together may form o...
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JPS63258646A |
Photochemical conversion of tachysterols to previtamins is conducted in the presence of a polymeric photosensitizer which has the appropriate chromophore groups, e.g. anthracene groups, attached to a medium or high molecular weight, subs...
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JPS6352636B2 |
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JPS6346728B2 |
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JPS6346045B2 |
1α, 3β-dihydroxysteroid-5-ene, an intermediate of 1α-hydroxy vitamin D2 and D3, was prepd. Thus, 1α-hydroxy or 1α, 2α-epoxysteroid-4,6-diene-3-one having immediately removable 6-substitute radical was reduced with alk. metal/liq. N...
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JPS6344743B2 |
An improved method for the preparation of prostaglandin analogs which comprises preparation of two equivalents of an alkyl or alkenyl lithium reagent in an aprotic solvent mixture such as pentane or hexane and tetrahydrofuran, conversion...
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JPS6344143B2 |
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JPS63208568A |
NEW MATERIAL:23,24,25,26-Pentanor-1α,22-dihydroxyvitamin D3 of formula I. USE: A drug having vitamin D-like biological activity. PREPARATION: The objective compound of formula I can be produced by using a compound of formula II (THP is ...
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JPS6343385B2 |
PCT No. PCT/JP84/00294 Sec. 371 Date Jun. 11, 1985 Sec. 102(e) Date Jun. 11, 1985 PCT Filed Jun. 7, 1984 PCT Pub. No. WO84/04917 PCT Pub. Date Dec. 20, 1984.7-Fluoroprostaglandins represented by the following formula (I): (I) In the form...
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JPS63208567A |
NEW MATERIAL:The compound of formula I (X is H or OH). EXAMPLE: 8α,25-Dihydroxy-9,10-seco-4,6,10(19)-cholestatrien-3-one. USE: A drug having vitamin D-like biological activity. PREPARATION: The compound of formula I can be produced by a...
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JPS6342618B2 |
The invention provides new derivatives of vitamin D, 24,24-difluoro-1 alpha ,25-dihydroxycholecalciferol and 24,24-difluoro-1 alpha ,25-dihydroxy-5,6-trans-cholecalciferol and processes for preparing the same. The compounds are character...
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JPS6341909B2 |
This disclosure describes novel derivatives of alpha -(6-carboxyhexyl) furfuryl alcohol which are useful as intermediates for the preparation of natural prostaglandins and their congeners.
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JPS63196556A |
NEW MATERIAL:The compound of formula I (R1 is methyl or trifluoromethyl; R2 is trifluoromethyl when R1 is methyl or R2 is methyl when R1 is trifluoromethyl). EXAMPLE: 26,26,26,27,27,27-Hexafluoro-25-hydroxyvitamin D3. USE: Useful as a dr...
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JPS63188622A |
Retinoids, particularly isotretinoin can be used for treating patients having a psychotic illness such as schizophrenia and/or inhibiting the occurrence of movement disorders in patients receiving or having received a neuroleptic medicat...
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JPS6338012B2 |
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JPS6337800B2 |
A process for the synthesis of 1 alpha ,3 beta -dihydroxy- DELTA 5-steroids from steroids such as 1 alpha ,2 alpha -epoxy-cholesta-4,6-dien-3-one, which is reacted with lithium in liquid ammonia in the absence of a proton donator and sub...
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JPS63174938A |
PURPOSE: To obtain the titled substance contained as a partial structure of prostaglandins in high stereoselectivity and yield, by reacting an optically active alcohol and water with lithium aluminum hydride and reducing an enone using t...
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JPS63141939A |
NEW MATERIAL:Cycloalkane derivatives expressed by formula I [A is methylene, methylene substituted by R1 (R1 is H or -OR8) or carbonyl; R2, R6 and R8 are H or organic residue; R3, R4 and R5 are H or alkyl; R7 is alkyl; n is 0 or 1]. EXAM...
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JPS63141938A |
NEW MATERIAL:A cycloalkane derivative expressed by formula I [A is methylene, methylene substituted by R1 (R1 is H or -OR8) or carbonyl; R2, R6 and R8 are H or organic residue; R3, R4 and R5 are H or alkyl; R7 is alkyl; Z is ethynylene (...
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JPS63139144A |
This disclosure describes novel compounds which are useful as precursors in the synthesis of 9-oxo-11 alpha , 16-dihydroxy-16-vinyl-5-cis-13-trans-prostadienoate esters which possess activity as hypotensive agents and/or as vasodilators.
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JPS63132871A |
PURPOSE: To purify the titled compound useful as an edible coloring matter or a substance having provitamin A action by a simple operation and to remove impurities, by bringing a carotene concentrate component-containing solution to be t...
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JPS6326107B2 |
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JPS6326108B2 |
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JPS6326106B2 |
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JPS6326027B2 |
PCT No. PCT/FR82/00204 Sec. 371 Date Aug. 9, 1983 Sec. 102(e) Date Aug. 9, 1983 PCT Filed Dec. 8, 1982 PCT Pub. No. WO83/02103 PCT Pub. Date Jun. 23, 1983.The injection cartridge comprises two containers (1, 2) one of which is slidably m...
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