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Chemoorientation of eastern tent caterpillars to trail pheromone, 5β-Cholestane-3,24-dione

✍ Scribed by Steven C. Peterson; T. D. Fitzgerald

Book ID: 105028896
Publisher: Springer
Year: 1991
Tongue: English
Weight: 477 KB
Volume: 17
Category: Article
ISSN: 0098-0331
DOI: 10.1007/bf00992581

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Hydrogenation of 4-cholesten-3-one (1) with tritium gas over palladium black in pyridine afforded [P-4,5-SH]-cholestan-3-one (2a). Tritium NMR showed that there was a mixture of tritiated compounds formed, 2a-2c; the latter two containing small amounts of protium substitution. Tritium NMR also indi