期刊
BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY
卷 10, 期 -, 页码 2270-2278出版社
BEILSTEIN-INSTITUT
DOI: 10.3762/bjoc.10.236
关键词
Claisen condensation; 1,3-diketones; heterocycles; triflic acid; trifluoroacetic acid anhydride
资金
- Russian Foundation of Basic Research [11-03-92006-HHC]
A very simple and convenient reaction for 1,3-diketone preparation from carboxylic acids and aromatic ketones in TFAA/TfOH system is described. When the beta-phenylpropionic acids were used as starting materials, they initially gave 1-indanones and then underwent further acylation with the formation of 2-(beta-phenylpropionyl)-1-indanones as the main reaction products. In addition, the application of the proposed protocol allowed for the synthesis of selected polysubstituted pyrazoles in a one-pot procedure directly from acids and ketones.
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