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R. Oilunkaniemi, R. Laitinen, M. Ahlgrén (2001)
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Doklady Chemistry, Vol. 390, Nos. 1–3, 2003, pp. 112–114. Translated from Doklady Akademii Nauk, Vol. 390, No. 1, 2003, pp. 56–58. Original Russian Text Copyright © 2003 by Ananikov, Kabeshov, Beletskaya. CHEMISTRY Mechanistic Study and Catalyst Design for PhSSPh Addition Reaction to Alkyne Triple Bond V. P. Ananikov*, M. A. Kabeshov**, and Academician I. P. Beletskaya** Received January 21, 2003 The addition of diaryldiselenides and diaryldisul- trans and cis stereochemical configurations [2–4]. The 31 1 fides to terminal alkynes catalyzed by Pd(PPh ) is an P{ H} NMR spectrum in a toluene medium shows 3 4 excellent one-step method for the synthesis of signals at d = 28.1 ppm and d = 26.6 ppm in a 3 : 1 ratio. Z-1,2-bis(arylthio)alkenes and Z-1,2-bis(arylseleno)- In this work, we apply this convenient procedure of alkenes [1]. As shown in [1], the complex Pd(PPh ) Cl 3 2 2 catalyst preparation to the synthesis of a palladium can not catalyze this addition. Naturally, the use of complex catalyzing the reaction of diphenyldisulfide Pd(II) complexes as catalyst precursors has consider- addition to the triple bond of alkynes. able advantages, taking into account their availability and stability toward oxidation as compared with Pd(0) 31
Doklady Chemistry – Springer Journals
Published: Oct 5, 2004
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