Synthesis of 5-Oxa-13-thiaprotoberberine Derivatives
- 1 January 1987
- journal article
- research article
- Published by CLOCKSS Archive in HETEROCYCLES
- Vol. 26 (9) , 2381-2384
- https://doi.org/10.3987/r-1987-09-2381
Abstract
With phosgene or aliphatic aldehydes, 6,7-dimethoxy-2-(2-hydroxyphenyl)-3,4-dihydro-2H-1,3-benzothiazine afforded novel 10,11-dimethoxy-6H,8H,13aH[1,3]benzoxazino[4,3-b][1,3]benzothiazine derivatives, members of a new heterocyclic ring system.Keywords
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