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2-Pyrones. IX. 2-Pyrone-6-carboxylic Acid and its Derivatives

โœ Scribed by Wiley, Richard H.; Hart, Albert J.


Book ID
124098890
Publisher
American Chemical Society
Year
1954
Tongue
English
Weight
399 KB
Volume
76
Category
Article
ISSN
0002-7863

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One step preparation of bromo-2-pyrones
โœ Cheon-Gyu Cho; Jung-Sang Park; In-Hak Jung; Haiwon Lee ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 68 KB

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.