Article ID Journal Published Year Pages File Type
5288820 Tetrahedron Letters 2006 5 Pages PDF
Abstract
A neutral rhodium(I) complex, 'RhCl(PPh3)2' generated by the combination of [RhCl(C2H4)2]2 with a fourfold amount of PPh3, effectively catalyzed the cyclocotrimerization of alkynes (1) and isocyanates (2) to give 2-pyridones (3) and/or pyrimidine-2,4-diones (4), selectively, by controlling the molar ratio of alkynes (1) and isocyanates (2).
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Physical Sciences and Engineering Chemistry Organic Chemistry
Preview
Selective synthesis of 2-pyridones and pyrimidine-2,4-diones by neutral rhodium(I) complex-catalyzed cyclocotrimerization of alkynes and isocyanates
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