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A new photochemical ring expansion of 1,2-benzisothiazole 1,1-dioxides

✍ Scribed by Ibrahim Elghamry; Dietrich Döpp

Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
77 KB
Volume
42
Category
Article
ISSN
0040-4039

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✦ Synopsis

Considerable attention has been focused on the photochemistry of five-membered heterocyclic ring systems. 1 By far the greatest area of activity in this field has been a study of the photoisomerization of the heterocyclic nucleus. The literature on the photoprocesses observed with isothiazoles has recently been reviewed. 1, The photoisomerization of various 1,2-benzisothiazoles 1a has also been studied in our laboratory, as well as by others and these studies have dealt with the synthetic usefulness as well as the reaction mode of this ring system.

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