Chemistry of Heterocyclic Compounds p. 38 - 41 (1980)
Update date:2022-08-05
Topics:
Lokshin, V.A.
Trofimova, N.S.
Voloshin, N.A.
Revinskii, Yu.V.
Shelepin, N.E.
et.al.
The preparation of 1,3-dithiolanium salts from 1,2-ethanedithiol and carboxylic acid chlorides, the subsequent condensation of which with aromatic o-hydroxy aldehydes leads to spiropyrans of the dithiolane series, is described.The PMR spectra were studied, and the photochromic properties are discussed.
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