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Labeled bile acids III: Deuterium labeled chenodeoxycholic and ursodeoxycholic acids

✍ Scribed by Chee Kong Lai; Chang Yon Byon; Marcel Gut

Publisher
John Wiley and Sons
Year
1984
Tongue
French
Weight
667 KB
Volume
21
Category
Article
ISSN
0022-2135

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✦ Synopsis

The conjugated methyl e s t e r s o f chenodeoxycholic 15 and c h o l i c 23 a c i d s a r e t h e key i n t e r m e d i a t e s t o these syntheses.

πŸ“œ SIMILAR VOLUMES

Labeled bile acids V: Deuterium and carb
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This paper describes a general, simple and short procedure for the introduction o f stable isotopes (deuterium and carbon-13) to the side chain of bile acids. The bisnorcholyl aldehydes of cholic and chenodeoxycholic acids are key intermediates, while the isotope is introduced by the Wittig condensa

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## Abstract A series of 5β‐cholanic acids labeled with deuterium in the A ring were prepared by exchange labeling of the corresponding ketone by column chromatography on deuterated alumina. Factors affecting yield and labeling efficiency are discussed. 5β‐Cholanic acids labeled with ^13^C in the ca

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## Abstract Valproic acid and sodium valproate labeled with carbon‐14 in the 2‐position were synthesized. Deuterium labeled valproic acid was also synthesized and the extent of deuterium incorporation was determined by several analytical methods.