Journal
SYNTHESIS-STUTTGART
Volume 48, Issue 2, Pages 231-237Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0035-1560832
Keywords
phosphorous acids; two-phase systems; chalcones; hydration; condensation; green chemistry
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Funding
- National Natural Science Foundation of China [21273066, 21172062, 21273067, J1210040]
- Fund of the Ministry of Education of China [20110161120008]
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A simple and environmentally benign method was developed for the synthesis of chalcones in high to excellent yields by a phosphorous acid promoted alkyne-aldehyde hydration-condensation in an oil/water two-phase system. The method is the first efficient protocol for the preparation of chalcones that is mediated by a simple BrOnsted acid in a two-phase system.
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