A Convenient Synthesis of 3,4-Dihydro-2,2-Dioxide-5-Hydroxy-2,1-Benzothiazine

DOI: 10.1016/S0040-4039(00)76657-3

Source and publish data:

Tetrahedron Letters p. 2911 - 2912 (1994)

Update date:2022-08-02

Topics:

Authors:

Blondet, Dominique

Pascal, Jean-Claude

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Article abstract of DOI:10.1016/S0040-4039(00)76657-3

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-functionalized N-benzyl sulfonanilide.

Full text of DOI:10.1016/S0040-4039(00)76657-3

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