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One step preparation of bromo-2-pyrones via bromo-decarboxylation of 2-pyrone-carboxylic acids

✍ Scribed by Cheon-Gyu Cho; Jung-Sang Park; In-Hak Jung; Haiwon Lee

Book ID: 104211676
Publisher: Elsevier Science
Year: 2001
Tongue: French
Weight: 68 KB
Volume: 42
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)02182-1

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✦ Synopsis

Synthetically valuable 3-bromo-2-pyrone, 3-bromocoumarin, 5-bromo-2-pyrone, and 3,5-dibromo-2-pyrone were prepared in one step from readily available 2-pyrone-carboxylic acids via bromo-decarboxylation in good to fair yields.

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