81038-89-3Relevant articles and documents
Phosphoramides, XIX. Phosphorus Pentoxide Amine Hydrochloride Reagents in the Synthesis of 3-Amino-1,2-benzisothiazole-1,1-dioxides and 3-Aminothienoisothiazole-1,1-dioxides
Jensen, Klaus G.,Pedersen, Erik B.
, p. 1640 - 1643 (2007/10/02)
3-Amino-1,2-benzisothiazole-1,1-dioxides (2b-n) have been prepared by heating saccharin (1) and the hydrochlorides of primary and secondary aliphatic amines with phosphorus pentoxide and N,N-dimethylcyclohexylamine at 240 deg C. 3-Aminothienoisothi