- Facile synthesis of aryl(het)cyclopropane catalyzed by palladacycle
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Sphos (2-dicyclohexylphosphino-2′,6′-dimethoxy-1,1′- biphenyl) adduct of cyclopalladated ferrocenylimine (IIe) exhibited highly catalytic activity for the Suzuki cross-coupling reaction of cyclopropylboronic acid with aryl(het) halides with 1 mol % catalyst loading. This process was applied to both of aryl and heteroaryl halides (Br and Cl), and made the various arylcyclopropane and heteroarylcyclopropane to be easily synthesized. A variety of substituents on the aryl halides, such as alkyl, acetyl, benzoyl, ether, formyl, carboxylate, methoxy, nitro and cyano were tolerated.
- Zhang, Min,Cui, Xiuling,Chen, Xiaopei,Wang, Lianhui,Li, Jingya,Wu, Yusheng,Hou, Lifen,Wu, Yangjie
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experimental part
p. 900 - 905
(2012/02/01)
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- Cyclopropylboronic acid: Synthesis and Suzuki cross-coupling reactions
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An efficient synthesis of cyclopropylboronic acid is reported. This compound undergoes efficient Suzuki-type coupling reactions with a range of aryl and heteroarybromides.
- Wallace, Debra J.,Chen, Cheng-Yi
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p. 6987 - 6990
(2007/10/03)
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