Selective dimerization of arylalkynes to (E)-1,4-diaryl enynes catalyzed by the [Ru(p-cymene)Cl2]2/Acetic acid system under phosphine-free conditions

被引:54
作者
Bassetti, Mauro [1 ]
Pasquini, Chiara
Raneri, Antonino
Rosato, Deborah
机构
[1] Univ Roma La Sapienza, CNR, Ist Metodol Chim, Dipartimento Progettaz Mol, I-00185 Rome, Italy
[2] Univ Roma La Sapienza, Dipartimento Chim, I-00185 Rome, Italy
关键词
D O I
10.1021/jo0702692
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The commercially available di-mu-chlorobis[(p-cymene)chlororuthenium(II)] complex catalyzes the dimerization of aromatic alkynes in acetic acid at room temperature to form the corresponding (E)-1,4-diarylbut-1-ene-3-yne derivatives, with high stereoselectivity. The procedure does not require the use of additives and can be carried out in the presence of water or aprotic cosolvents, under homogeneous conditions.
引用
收藏
页码:4558 / 4561
页数:4
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