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Na2CaP2O7, a New Catalyst for Michael Addition.

โœ Scribed by Mohamed Zahouily; Younes Abrouki; Ahmed Rayadh

Book ID
101931820
Publisher
John Wiley and Sons
Year
2003
Weight
102 KB
Volume
34
Category
Article
ISSN
0931-7597

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Na2CaP2O7, a new catalyst for Michael ad
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The synthetic diphosphate Na 2 CaP 2 O 7 is a new basic catalyst for Michael addition of mercaptans to chalcone derivatives with high yields in a few minutes and mild reaction conditions. Products of undesirable side reactions resulting from 1,2-addition, polymerisation and bis-addition are not obse

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The synthetic diphosphate Na 2 CaP 2 O 7 is a new basic catalyst for the synthesis of unsaturated arylsulfones. The condensation was carried out under mild conditions at room temperature in methanol or ethanol. The optimum of the catalyst's activity is reached when water is added, leading to good yi