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A chiral probe for the asynchronous transition state of diels-alder reactions with acetylenedicarboxylate

✍ Scribed by Ronald N. Buckle; D.Jean Burnell


Book ID
108379519
Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
957 KB
Volume
55
Category
Article
ISSN
0040-4020

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2H and 13C kinetic isotope effects were determined for all positions on isoprene in its reactions with methyl vinyl ketone, ethyl acrylate, and acrolein catalyzed by Et2AICI. The results are taken as supporting a highly asynchronous concerted [4+2] cycloaddition. Comparison of the experimental isoto