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14.4.3.1.1.2.1.1.3 Variation 3: Condensation of 2-Hydroxyphenyl Ketones with Carboxylic Acid Anhydrides

DOI: 10.1055/sos-SD-014-00294

Williams, A. C.; Camp, N.Science of Synthesis, (200314455.

An example of this reaction is the condensation of 2-hydroxyphenyl ketones 321 with carboxylic acid anhydrides to give 4H-1-benzopyran-4-ones 322 (Scheme 104).[‌410‌,‌427‌,‌498‌‌500‌]

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