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Generation of a carbenoid by cyclization of 6-chloro-5-hexen-1-yllithium

✍ Scribed by Dolbier, William R.; Chen, Yaxiong


Book ID
125986900
Publisher
American Chemical Society
Year
1992
Tongue
English
Weight
141 KB
Volume
57
Category
Article
ISSN
0022-3263

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## Abstract Oxyselenylation of 4‐substituted 5‐hexen‐1‐ols 1 with benzeneselenenyl trifluoromethanesulfonate proceeds by intramolecular __exo__ cyclization stereoselectively to give 3‐substituted __trans__‐ or __cis__‐2‐(phenylselenenylmethyl)tetrahydropyrans 3. Formation of the __trans__ isomers i