Premium
A microwave induced cyclisation of α‐phenylsulfonyl‐enaminoacrylates for the preparation of 4‐aryl‐4 H ‐1,4‐benzothiazine 1,1‐dioxide derivatives
Author(s) -
López Simón E.,
Salazar José,
Rebollo Oscar,
Restrepo Jelem
Publication year - 2005
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570420541
Subject(s) - benzothiazine , chemistry , aryl , catalysis , microwave , bicyclic molecule , dry media reaction , organic chemistry , kinetics , order of reaction , alkyl , physics , quantum mechanics , reaction rate constant
Several 4‐aryl‐4H‐1,4‐benzothiazine 1,1‐dioxide derivatives have been prepared in good yields by microwave promoted cyclisation of α‐phenylsulfonyl‐enaminoacrylate intermediates in basic media. Benzothiazines were obtained without the use of a catalyst in short reaction times.