期刊
RUSSIAN JOURNAL OF ORGANIC CHEMISTRY
卷 46, 期 9, 页码 1269-1276出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1070428010090010
关键词
-
资金
- Russian Foundation for Basic Research [07-03-00851]
- Russian Academy of Sciences [1, 18]
Main factors have been analyzed necessary for creation of an efficient catalytic system for alkynes hydrophosphorylation based on nickel complexes, and a valid model system was suggested for the comparison with palladium complexes. It has been discovered for the first time that the insertion of an alkyne into the metal-hydrogen bond occurs with a considerably lower activation barrier than into the metal-phosphorus bond, whereas the variation in the reaction energy corresponds in both cases to an exothermic reaction. Under the optimized conditions the transformation catalyzed by nickel complexes does not require acid addition and may proceed even in the absence of a phosphine ligand.
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