The reaction of propenethioamides 1 with bromoketones 2 and 3 led in acidic medium to the formation of 1,4-thiazepines 6 and 7. The pyrrole derivatives 4 and 5 were obtained by reaction of 1 with 2 and 3 in basic medium.
Propenethioamides in the synthesis of heterocyclic systems. Synthesis of pyrrole and 1,4-thiazepine derivatives
CONGIU, CENZO;ONNIS, VALENTINA
1995-01-01
Abstract
The reaction of propenethioamides 1 with bromoketones 2 and 3 led in acidic medium to the formation of 1,4-thiazepines 6 and 7. The pyrrole derivatives 4 and 5 were obtained by reaction of 1 with 2 and 3 in basic medium.
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