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Synthesis of nitrogen heterocycles by (4+2)π-cycloaddition from nitrogen-containing heterodienes (“azadiene synthesis”) (review)

✍ Scribed by K. N. Zelenin; I. P. Bezhan; Z. M. Matveeva

Book ID
112335006
Publisher
Springer US
Year
1972
Tongue
English
Weight
658 KB
Volume
8
Category
Article
ISSN
0009-3122

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Neutral 1-azadienes react in a [4 + 2] fashion with alkynyl Fischer carbene complexes to afford regioselectively substituted 1.4-dihydropyridines © 1997 Elsevier Science Ltd. We have recently reported the reaction of 1-azadienes with chromium Fischer alkynyl carbene complexes that results in the fo