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JPH0372239B2 |
The invention provides methods for preparing the various isomeric forms of 25-hydroxyvitamin D3-26,23-lactone utilizing cyanohydrin formation with readily prepared steroid materials followed by actinic radiation of the products and recov...
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JPH0372240B2 |
The invention relates to furyl intermediates and the preparation thereof, said intermediates being particularly useful in the preparation of synthetic cardenolides and their isomers. The process provides for the reaction of an unsaturate...
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JPH03255092A |
NEW MATERIAL:The compound of formula I or formula II. USE: Treating agent for neuropathy. PREPARATION: The compound of formula I and formula II can be produced e.g. by reacting D-mannose with oxaloacetic acid in the presence of sodium ca...
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JPH0369328B2 |
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JPH0368040B2 |
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JPH0365359B2 |
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JPH0364507B2 |
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JPH0364510B2 |
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JPH03209394A |
NEW MATERIAL: A compound of the formula (R contains at least one saccharide group; R1 H, lower alkyl). USE: A sweeting agent. Useful for chocolate, candy, cake, chewing gum, imitation meat product, protein of vegetable source, soy sauce,...
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JPH0357117B2 |
This invention relates to the synthesis of steroids which are useful for their biological activity or which may be converted to steroids which have such activity. More particularly, the invention pertains to the synthesis of 24,25-dihydr...
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JPH0349902B2 |
The invention provides methods for preparing the various isomeric forms of 25-hydroxyvitamin D3-26,23-lactone utilizing cyanohydrin formation with readily prepared steroid materials followed by actinic radiation of the products and recov...
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JPH03115295A |
NEW MATERIAL:A compound expressed by formula I (R is formula II or H) having the following properties. White powder. Solubility; slightly soluble in water, chloroform and ethyl acetate and soluble in methanol. Inhibiting proliferation of...
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JPH0319240B2 |
The invention provides new vitamin D derivatives as well as new intermediate compounds derived during the processes for preparing such new derivatives. The new derivatives have been identified as 1 alpha -hydroxy-25-keto-27-nor-vitamin D...
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JPH0316333B2 |
(A process for preparing steroid intermediates of the formula in which pivaloyl chloride is added to a compound of the formula the resulting compound of the formula is reacted with a Grignard reagent of the formula wherein X is Cl or Br,...
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JPH036783B2 |
The present invention relates to food products containing a novel alpha-glycosyl ginsenoside wherein one or more alpha-glucosyl moieties are bound to ginsenoside residue, and a process for producing the food products. Such alpha-glycosyl...
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JPH0251551B2 |
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JPH0250919B2 |
Two processes are disclosed (one-pot and two-pot) for the transformation of a 6 beta -fluoro- DELTA 1,4-3-keto steroid (IV) to a 6 alpha -fluoro- DELTA 1,4-3-keto steroid (VI). These processes permit the introduction of a fluorine atom a...
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JPH02243698A |
PURPOSE: To provide the subject compsn. for treating uterine cancer containing a diluent or a carrier and a specific (substd.) estrogen nucleus as a part of a molecular structure and a therapeutically effective amt. of a sexual steroid a...
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JPH02231449A |
NEW MATERIAL: A compound of formula VI [wherein R1 is H, an acyl, an alkylsilyl or tetrahydropyranyl; X is formula VII (wherein R2=R1) or formula VIII (wherein R3=R1; and R4 are each H or an alkyl), provided that when X is formula VII, a...
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JPH0237355B2 |
The invention provides methods for preparing the various isomeric forms of 25-hydroxyvitamin D3-26,23-lactone utilizing cyanohydrin formation with readily prepared steroid materials followed by actinic radiation of the products and recov...
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JPH0234957B2 |
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JPH02180896A |
NEW MATERIAL:A compound expressed by formula I [formula II is formula III or IV (R1 is 1-4C alkyl, 1-4C alkoxyl-1-2C alkyl or tetrahydropyranyl); R is H, lower alkyl or lower alkenyl]. USE: An intermediate for vitamin Ds and brassinoster...
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JPH02501931A |
The invention relates to the field of chemistry and more particularly to the field of therapeutic chemistry. Its specific subject matter concerns compounds of general formula (I), in which R is a hydrogen atom, a lower alkyl, methoxymeth...
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JPH0216759B2 |
A steroid derivative of the formula:wherein ST is a 7a-linked steroid nucleus of the general formula:wherein the double bond(s) carbon atoms 6 and 7 and/or carbon atoms 8 and 9 are optional;wherein the aromatic ring A may optionally bear...
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JPH0213679B2 |
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JPH0212960B2 |
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JPH0212449B2 |
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JPH0273093A |
NEW MATERIAL:A compound expressed by formula I (R1 is H or acetyl; R2 is 1-6C alkoxy, cholestenyl, cholestanyl or halogen; R3 is H, 1-6C alkyl, aryl, aralkyl, alkali metal or NH+4). USE: The compound expressed by formula I has nerve acti...
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JPH0210840B2 |
The invention relates to furyl intermediates and the preparation thereof, said intermediates being particularly useful in the preparation of synthetic cardenolides and their isomers. The process provides for the reaction of an unsaturate...
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JPH0236192A |
NEW MATERIAL: Compounds of formula I [wherein R is -COOX (X is H or a 1-8C alkyl) or CH2OH]. EXAMPLE: Methyl 3β-hydroxy-chola-5,23t-diene-24-carboxylate. USE: Prevention and a remedy of hypercholesterolemia, an HMG-COA reductase inhibit...
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JPH021160B2 |
The present disclosure is directed to a process and intermediates for the synthesis of Vitamin D3 metabolites such as 1,25-dihydroxycholecalciferol, 25-hydroxycholecalciferol and 24R,25-dihydroxycholecalciferol from 17-keto steroids via ...
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JPH01311098A |
NEW MATERIAL: Compd. of formula I {wherein R is formula II (wherein R1 is a 1-16C alkyl, an alkoxy, a halogen, etc., and R4 and R5 are each H, CH3, CN, etc.), formula III (wherein R2 is a 1-16C alkyl), formula IV [wherein B is a 1-16C al...
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JPH0157120B2 |
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JPH0146505B2 |
The invention provides new vitamin D derivatives as well as new intermediate compounds derived during the processes for preparing such new derivatives. The new derivatives have been identified as 1 alpha -hydroxy-25-keto-27-nor-vitamin D...
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JPH0144695B2 |
The vitamin D3 derivative 1 alpha ,25,26-trihydroxycholecalciferol which is useful for regulating the calcium metabolism or calcium transport in the body, cholestene intermediates and a process for their preparation are described.
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JPH01233292A |
PURPOSE: To advantageously glycosylate hydroxyl groups of a sugar anomer in good yield of glycosides in a small number of reaction steps, by reacting the above-mentioned hydroxyl groups with a specific thiocarbonate to directly thioglyco...
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JPH01221391A |
NEW MATERIAL: A compd. of formula I (where R is OH or H; R1 and R2 are each =CH2 or -CH2O-; R3 is H, OH, HSO3O or HOCOCH2CH2CO2; R4 is OH, HOC15H30CO2, AcO or H; when R3 is H, a double bond does not exist in the cyclopentane ring; R5 is ...
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JPH01197438A |
PURPOSE: To obtain the subject medicinal preparation containing a specific compound such as 17-methylene-1,3,5(10)-estratrien-3-ol. CONSTITUTION: This medicinal preparation contairts a compound of the formula (R1 is H, methyl, tetrahydro...
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JPH0131520B2 |
The present disclosure is directed to a process for the preparation of cholesterol derivatives from corresponding 21-hydroxymethyl steroidal compounds.
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JPH0129792B2 |
(A process for preparing steroid intermediates of the formula in which pivaloyl chloride is added to a compound of the formula the resulting compound of the formula is reacted with a Grignard reagent of the formula wherein X is Cl or Br,...
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JPH0128759B2 |
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JPH0128760B2 |
PCT No. PCT/DE81/00111 Sec. 371 Date Mar. 11, 1982 Sec. 102(e) Date Mar. 11, 1982 PCT Filed Jul. 2, 1981 PCT Pub. No. WO82/00294 PCT Pub. Date Feb. 4, 1982.The disclosure concerns 5 beta -hydroxy- DELTA 6-steroids of the general formula ...
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JPH0121829B2 |
22R, 23R-Homobrassinolide of the formula: …… which is useful as a plant growth regulator.
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JPH0193529A |
NEW MATERIAL:A compound shown by formula I or formula II. EXAMPLE: Sodium 3β-O-(4'-acetamido-2',4'-dideoxy-1'-carboxy-D-glycero-α-D-
galacto-1'-octopyranosyl)cholest-5-enate. USE: A remedy for demyelinating diseases. PREPARATION: 1mol...
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JPH0119399B2 |
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JPH0113719B2 |
This invention discloses a general process for the production of corticoids from androstenes. This invention provides an economically viable alternative synthesis of 17 alpha -hydroxyprogesterones and the corticoids.
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JPH0113718B2 |
This invention discloses a general process for the production of corticoids from androstenes. This invention provides an economically viable alternative synthesis of 17 alpha -hydroxyprogesterones and the corticoids.
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JPH0113720B2 |
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JPH0113479B2 |
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JPS647969B2 |
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