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The Conversion of Hecogenin to ▵ 7,9(11) -22-isoallospirostadiene-3β-ol 1

✍ Scribed by Hirschmann, Ralph; Snoddy, C. Stewart; Wendler, N. L.

Book ID
125900384
Publisher
American Chemical Society
Year
1953
Tongue
English
Weight
501 KB
Volume
75
Category
Article
ISSN
0002-7863

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Tritium labeled parka01 (z), but not lanosterol (3) or cycloartenol (a), was transformed by the sea cucumber Holothuria arenfcola into 14a-methyl-5a-cholest-9(ll)-en-3R-01 (5). thus implying that squalene-2,3-oxide cyclizes directly to parkeol (2).