A convenient synthesis of 3,4-dihydro-2,2-dioxide 5-hydroxy-2,1-benzothiazine
摘要:
3-methoxy-2-methyl-aniline 3 is converted to the benzothiazine-dioxide 1 in a 7-steps procedure: the key transformation being the cyclization of an ortho-functionnalized N-benzyl sulfonanilide.
A convenient synthesis of 3,4-dihydro-2,2-dioxide 5-hydroxy-2,1-benzothiazine
摘要:
3-methoxy-2-methyl-aniline 3 is converted to the benzothiazine-dioxide 1 in a 7-steps procedure: the key transformation being the cyclization of an ortho-functionnalized N-benzyl sulfonanilide.