Tetrahedron Letters

Thieno [3, 4-c] isothiazole. Synthesis of a new nonclassical thiophene and its cycloaddition to alkynes and alkenes

H Gotthardt, F Reiter

Index: Gotthardt,H.; Reiter,F. Tetrahedron Letters, 1976 , p. 2163 - 2166

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Citation Number: 4

Abstract

2164 No. 25 ment of, 2 according to the method described by Potts et al.'with phosphorus pentasulfide in refluxing pyridine, affords triphenylthieno [3, 4-clisothiazole (2) in 80-93% yield as glistening, deep violet needles (armp=-120 dec.; uv (CH2C12) Amax= 529 nm (lg