Cycloaddition in synthesis of sulfonamide derivatives. IV. One-pot synthesis of 3-dimethylamino-4,1,2-benzoxathiazine 1,1-dioxides, 3-methoxy-4-methyl-1,2,4-benzothiadiazine 1,1-dioxide and 3-dimethylamino-1,4,2-benzodithiazine 1,1-dioxides

DOI: 10.1248/cpb.39.1939

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 1939 - 1943 (1991)

Update date:2022-07-30

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Authors:

Iwakawa Iwakawa

Tamura Tamura

Murabayashi

Hayase Hayase

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Article abstract of DOI:10.1248/cpb.39.1939

A novel, one-pot synthesis of 3-dimethylamino-4,1,2-benzoxathiazine 1,1-dioxides (7), 3-methoxy-4-methyl-1,2,4-benzothiadiazine 1,1-dioxide (9) and 3-dimethylamino-1,4,2-benzodithiazine 1,1-dioxides (11) is described. The procedure in the case of 7 involv

Full text of DOI:10.1248/cpb.39.1939

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