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Cycloaddition of tert-butylcyanoketene to optically active 2,3-pentadiene

✍ Scribed by Warren G. Duncan; Walter Weyler Jr.; Harold W. Moore

Publisher
Elsevier Science
Year
1973
Tongue
French
Weight
209 KB
Volume
14
Category
Article
ISSN
0040-4039

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✦ Synopsis

Recently it was shown that tert-butylcyanoketene reacts with optically enriched 1,2-cycbmmadiene to give a mixtureof the optically active epimeric cyclobutanones ( 3) and ( 2). The lack of knowledge of the optical purity of these produ~ts~ allowed the cons%eration of two mechanistic consequences which are consistant with these results; the epimers, (2 and (4)2 co;ld either arise directly from the respective transition states (2 and (2 in formally a

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