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Synthesis of Spiro[indoline-3,2′(3′H)-[1,3,4]thiadiazoline]-2-ones by Acetylation of Isatin-β-thiosemicarbazones

✍ Scribed by Somogyi, László

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
346 KB
Volume
1993
Category
Article
ISSN
0947-3440

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✦ Synopsis

Abstract

The synthesis of spiro[indoline‐3,2′(3′H)‐[1,3,4]thiadiazoline]‐2‐ones 2a–g by cyclization of isatin‐β‐thiosemicarbazones 1a–f is reported. The structure determination of 2a–g by IR, ^1^H‐ and ^13^C‐NMR measurements is also described.

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