作者:Mana Ishida、Yu Shibata、Keiichi Noguchi、Ken Tanaka
DOI:10.1002/chem.201102418
日期:2011.11.4
Asymmetric catalysis: The rhodium‐catalyzed asymmetric [2+2+2] cyclization of 1,6‐enynes and aldehydes was achieved by using a cationic rhodium(I)/(R)‐binap complex as a catalyst (see scheme; cod=1,5‐cyclooctadiene). Coordination of the substrate heteroatom to the cationic rhodium plays an important role in this cyclization reaction.
不对称催化:通过使用阳离子铑(I)/(R)-binap络合物作为催化剂,实现铑催化的1,6-炔烃和醛的不对称[2 + 2 + 2]环化反应(请参见方案; cod = 1,5-环辛二烯)。底物杂原子与阳离子铑的配位在该环化反应中起重要作用。