Methanol → HCID 14809493, compound

Participants

Reaction Steps

A mixture of 2-chloro-3,4-dihydro-2-(2-hydroxy-5-methoxyphenyl)-4-methyl-3-oxo-2H-1,4-benzothiazine (14.0 g, compound No. 3) and methanol (200 ml) is stirred for 2 hours at room temperature, and the separated crystals are collected by filtration to give 11.8 g (85.3%) of the titled compound.

Provenance & Evidence