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Electrochemical ring-contraction of fused [1,3,4]thiadiazinium salts: preparation of fused pyrazole derivatives

✍ Scribed by Pedro Molina; M. Desamparados Velasco; Antonio Arques

Book ID: 108371836
Publisher: Elsevier Science
Year: 1990
Tongue: French
Weight: 792 KB
Volume: 46
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(01)87776-0

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## Abstract Muenchnone (II) undergoes title ring contraction—rearrangement reaction with thiocoumarins having an electron‐withdrawing group at position 3 to give stereodefined fused polycyclic thienopyrroles.