期刊
TETRAHEDRON LETTERS
卷 42, 期 2, 页码 297-299出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(00)01928-6
关键词
addition reactions; catalysis; dienes; hydrophosphorylation; palladium
Palladium-catalyzed 1,4-hydrophosphorylation of 1,3-dienes efficiently takes place with 4,4,5,5-tetramethyl-1,3,2-dioxaphospholane 2-oxide HP(O)(OCMe2CMe2O) to afford the corresponding allylphosphonates selectively in high yields. Mechanistic studies have revealed that the reaction proceeds through addition of intermediate H-Pd species to 1,3-diene generating a pi -allylpalladium complex, which affords the adduct via subsequent reductive elimination. (C) 2000 Elsevier Science Ltd. All rights reserved.
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