Synthesis and Metastable Structure of New Photochromic Spiroindolinobenzothiopyrans

DOI: 10.1246/cl.1991.209

Source and publish data:

Chemistry Letters p. 209 - 212 (1991)

Update date:2022-08-03

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Authors:

Hirano, Masafumi

Miyashita, Akira

Nohira, Hiroyuki

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Article abstract of DOI:10.1246/cl.1991.209

Photochromic spiroindolinobenzothiopyrans having a methacryloxymethyl group have been prepared and their colored forms were demonstrated to be a zwitterionic structure on the basis of the spectroscopic data.

Full text of DOI:10.1246/cl.1991.209

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