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ChemInform Abstract: Synthesis of 3-Fluoroimidazo[1,2-a]pyrimidines and 5-Fluoroimidazo[2,1-b][1,3]thiazoles via Heterocyclization of (N-Heteroarylimino)trifluoropyruvates.

✍ Scribed by Y. V. Rassukana; Y. Y. Khomutnyk; P. P. Onys'ko; A. D. Sinitsa; A. A. Gakh


Publisher
John Wiley and Sons
Year
2011
Weight
36 KB
Volume
42
Category
Article
ISSN
0931-7597

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## Abstract 5‐Oxo‐5__H__‐[1,3]thiazolo[3,2‐__a__]pyrimidine‐6‐carboxylic acid (**4**), and 6‐methylimidazo[2,1‐__b__]thiazole‐5‐carboxylic acid (**17**) were reacted with amines **6a‐i** by the reaction with oxalyl chloride and __N, N__‐di methyl‐formamide as a catalyst into primary and secondary a