A one-pot approach to 3-arylmethylene-2-methyl-1,2-benzothiazin-4-(3H)ones 1,1-dioxide (3) starting from 2-methyl-1,2-benzothiazin-4-one and the appropriate aldehydes, in the presence of sodium methoxide/methanol, is described.
A simple synthesis of (Z) 3-arylmethylene-2-methyl-1,2-benzothiazin-4-(3H) ones 1,1-dioxide / P. Dalla Croce, R. Ferraccioli, C. La Rosa. - In: SYNTHETIC COMMUNICATIONS. - ISSN 0039-7911. - 22:18(1992), pp. 2621-2624.
A simple synthesis of (Z) 3-arylmethylene-2-methyl-1,2-benzothiazin-4-(3H) ones 1,1-dioxide
P. Dalla CrocePrimo
;C. La RosaUltimo
1992
Abstract
A one-pot approach to 3-arylmethylene-2-methyl-1,2-benzothiazin-4-(3H)ones 1,1-dioxide (3) starting from 2-methyl-1,2-benzothiazin-4-one and the appropriate aldehydes, in the presence of sodium methoxide/methanol, is described.
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