✦ LIBER ✦

Increase in Selectivity of Photoelimination Products on Replacing the Liquid Phase by the Crystalline Phase

✍ Scribed by Prof. Dr. Gerhard Quinkert; Dr. Takao Tabata; Dr. Eckhard A. J. Hickmann; Dr. Walter Dobrat

Publisher: John Wiley and Sons
Year: 1971
Tongue: English
Weight: 252 KB
Volume: 10
Category: Article
ISSN: 0044-8249
DOI: 10.1002/anie.197101991

No coin nor oath required. For personal study only.

✦ Synopsis

and (4a) are formed stereospecifically['21 from the corresponding seco isomers also detected a t room temperature"'], a thermal and/or photo configurational isomerization of the intermediate compounds under these conditionscannot be ruled out. The observed non-stereospecificity is therefore irrelevant for the course of the reaction in question. However, the fact that photostereornutation and photodecarbonylation in (la) result from one and the same electronically excited singlet state verifies the stepwise, noncheletropic character of the light-induced CO elimination in the case of the cyclopent-3-en-1-one system investigated" ' 1.

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