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4-Hydroxy-3-[( E )-3-phenylprop-2-enoyl]-2 H -chromen-2-one

✍ Scribed by Ghouili, Afef; Ben Hassen, Rached

Book ID: 125511952
Publisher: International Union of Crystallography
Year: 2011
Tongue: English
Weight: 383 KB
Volume: 67
Category: Article
ISSN: 1600-5368
DOI: 10.1107/S1600536811029801

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## Abstract 3‐Acetyl‐4‐hydroxy‐chromen‐2‐one (**1**) was brominated with phenyltrimethylammonium tribromide to afford 3‐(2‐bromoacetyl)‐4‐hydroxy‐chromen‐2‐one (**2**) whose reactions with thiourea, thioacetamide and ammonium dithiocarbamate gave respectively 3‐(2‐amino‐thiazol‐4‐yl)‐4‐hydroxy‐, 4‐