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One-pot synthesis of 2-aminothiazoles using supported reagents

✍ Scribed by Mitsuo Kodomari; Tadashi Aoyama; Yoshitada Suzuki

Publisher: Elsevier Science
Year: 2002
Tongue: French
Weight: 81 KB
Volume: 43
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(02)00084-9

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✦ Synopsis

A simple and efficient method has been developed for the synthesis of 2-aminothiazoles from a-bromo ketones in one-pot using a supported reagents system, KSCN/SiO 2 -RNH 3 OAc/Al 2 O 3 , in which a-bromo ketone reacts first with KSCN/SiO 2 and the product, a-thiocyano ketone, reacts with RNH 3 OAc/Al 2 O 3 to give the final product, 2-aminothiazole, in high yield.

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