Stereospecificity in the Enzymatic Conversion of Δ7-Cholesten-3β-ol to 7-Dehydrocholesterol
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چکیده
منابع مشابه
Conversion of Sa-Cholestan-3@-ol to ~‘-5~-Cholesten-3~-ol in Cockroaches*
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2-14C-Mevalonic acid has been incubated with a rat liver homogenate in the presence of the inhibitor frans-1,4bis(2 chlorobenzylaminoethyl) cyclohexanedihydrochloride yielding 1,7,15,22 ,26-14CS-cholesta-5,7-dien3@-01, which was reduced with lithium and ammonia to 14Cs-5ar-cholest-7en-30-01 (A’-cholestanol). Separation from endogenous cholesterol was achieved by oxidation with chromic acid, and...
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The discovery that the absorption bands at 293, 281-5 and 271 m,u. (Heilbron, Kamm & Morton, 1926, 1927) present in fractions obtained in the recrystallization of cholesterol were shown very strongly by ergosterol (Rosenheim & Webster, 1927) focused interest on the latter and culminated in the isolation ofcalciferol (vitamin D2). Some time later it was recognized that 7-dehydrocholesterol was a...
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chapter i provides an overview of structural linguistics and touches upon the saussurean dichotomies with the final goal of exploring their relevance to the stylistic studies of literature. to provide evidence for the singificance of the study, chapter ii deals with the controversial issue of linguistics and literature, and presents opposing views which, at the same time, have been central to t...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1968
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)93627-6