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August 12, 1993Liebigs Annalen der Chemie

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

László Somogyi

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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, 1H‐ and 13C‐NMR measurements is also described.

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László Somogyi (1993) studied this question.

synapsesocial.com/papers/6ab883ac0c9f8f7415885f88 https://doi.org/10.1002/jlac.1993199301148

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