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Zur Biosynthese des Cholesterins aus β,δ‐Dihydroxy‐β‐methyl‐valeriansäure by O. Isler; R. Rüegg; J. Würsch; K. F. Gey; A. Pletscher is a Chemistry article available to read on EtoBox.

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## Abstract Labeled cholesterol was prepared by incubation of rat liver homogenate with β‐hydroxy‐,β‐methyl‐δ‐valerolactone‐[2‐^14^C]. The partial degradation of the biosynthetic cholesterol shows the presence of activity in the carbon atoms 7, 22 and either 26 or 27, and absence of activity in the carbon atoms 20, 21, 23, 24, 25 and either 26 or 27. From these results it can be concluded that the normal sequence of isoprene units (head to tail) is achieved by condensation of the hydroxymethyl group of one molecule of β,δ‐dihydroxy‐β‐methylvaleric acid with the methylene group in α‐position to the carboxyl group of the next molecule.

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Author

O. Isler; R. Rüegg; J. Würsch; K. F. Gey; A. Pletscher

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley (ISSN 0018-019X)

Published

1957

Language

EN

Field

Chemistry (Physical Sciences)