摘要 : Intermolecular couplings between arylboronic acids and activated alkenes catalyzed by a water-soluble tert-butyl amphos-rhodium complex were found to progress at room temperature and generated Heck-type products with high yields a... 展开 Intermolecular couplings between arylboronic acids and activated alkenes catalyzed by a water-soluble tert-butyl amphos-rhodium complex were found to progress at room temperature and generated Heck-type products with high yields and excellent selectivity. Substitution on the alkene component encouraged the formation of products arising from a conjugate addition-protonation process. In the case of Heck product formation, it was necessary to add two equivalents of the alkene component whereby one equivalent is believed to act as a sacrificial hydride acceptor. 收起