REACTIONS OF o-AMINOTHIOPHENOL WITH α,β-UNSATURATED DICARBONYL SYSTEMS. FACILE SYNTHESIS OF BENZOTHIAZINES AND BENZOTHIAZEPINES

DOI: 10.1016/S0040-4020(01)90560-5

Source and publish data:

Tetrahedron p. 2731 - 2738 (1986)

Update date:2022-08-03

Topics: Cyclization

Authors:

Balasubramaniyan, V.

Balasubramaniyan, P.

Shaikh, A. S.

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Article abstract of DOI:10.1016/S0040-4020(01)90560-5

When treated with maleanilic/fumaranilic acids or esters or the corresponding imides or isoimides, o-aminothiophenol furnishes benzothiazines, whereas treatment of o-aminothiophenol with acrylic acids/esters furnishes benzothiazepines.The orientational pr

Full text of DOI:10.1016/S0040-4020(01)90560-5

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