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2-azonia-Cope rearrangement in N-acyliminium cyclizations

✍ Scribed by Ent, Hugo; De Koning, Henk; Speckamp, W. Nico

Book ID
121316718
Publisher
American Chemical Society
Year
1986
Tongue
English
Weight
710 KB
Volume
51
Category
Article
ISSN
0022-3263

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The existence of a reversible 2-aza-Cope rearrangement in cyclizations of N-acyliminium ions derived from I'-and 2'-vinyl-N-(3'-butenyl)-5-hydroxy-2-pyrrolidinones is established. Substituent effects in the rearrangement of N-acyliminium ions of the 2-aza-1,5-hexadienyl type A have previously been

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A 2-aza-Cope rearrangement underlying the more typical reactions of N-acyl-Z-aza-\_I\_\_\_\_\_\_ 1,5-hexadienes has been detected using triethylsilane as an acyliminium ion trap. Hetero-Cope rearrangements have previously been reported for substituted 2-aza-1,5-hexadienes 1 and their iminium ion co