86530-75-8Relevant academic research and scientific papers
CYCLOADDITIONS WITH CAPTO-DATIVE OLEFINS, II TETRAHYDROTHIOPHENES FROM ADDITION OF 2-(TERT-BUTYLTHIO)-ACRYLONITRILE TO DIENOPHILES
Doepp, Dietrich,Libera, Hubert
, p. 885 - 888 (1983)
With loss of the tert-butyl group, 2-tert-butyl-thioacrylonitrile (1) may be added thermally to N-phenyl maleic imide (2a), maleic anhydride (2b) and other olefins to yield tetrahydrothiophene-2-carbonitriles; from the addition to dimethyl ethyne dicarboxylate, the dihydrothiophene 7 is obtained.
