Nickel-catalyzed cross-coupling reaction of allyl halides with alkynyltins
…, N Hashimoto, S Ikeda, Y Sato
Index: Cui, Dong-Mei; Hashimoto, Naoko; Ikeda, Shin-ichi; Sato, Yoshiro Journal of Organic Chemistry, 1995 , vol. 60, # 18 p. 5752 - 5756
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Citation Number: 27
Abstract
A cross-coupling reaction of allyl halides 1 with alkynyltins 3 in the presence of “Ni (PR3),”(R= Ph, OEt, or OPh) catalyst was carried out in THF at reflux to give 1, benynes. The regioselectivity of the coupling of If-i with 3a was investigated in the presence of various phosphorus ligands. Interestingly, prenyl (lj) and geranyl chlorides (lk) selectively reacted with 3 at the more-hindered positions of substituted q3-allylnickel intermediates 21 (M= Nil ...
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