Journal
TETRAHEDRON LETTERS
Volume 43, Issue 20, Pages 3707-3710Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(02)00609-3
Keywords
catalysis; palladium; titanium; phosphine oxides; phosphines
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A series of functional bisphosphosphine oxides were synthesized in good yields via new Pd-catalyzed bis-hydrophosphinylation reactions of terminal alkynes and diphenylphosphine oxide. The resulting bisphosphine oxides were reduced to their corresponding bisphosphines in quantitative yields via a Ti((OPr)-Pr-i)(4)-mediated process. (C) 2002 Elsevier Science Ltd. All rights reserved.
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