Asymmetric catalytic intramolecular hydroacylation of 4-substituted pent-4-enals to β-substituted cyclopentanones
作者:Richard W. Barnhart、David A. McMorran、B. Bosnich
DOI:10.1039/a700076f
日期:——
The catalyst,
[Rh(S,S-Me-duphos)(acetone)
2
]
+
, rapidly and
efficiently converts 4-substituted pent-4-enals bearing primary and
secondary substituents to the corresponding cyclopentanones and for a
variety of substituents the ee was found to range from 93 to 96% at 25
°C.
催化剂[Rh(S,S-Me-duphos)(丙酮) 2 ] + 能快速、高效地将带有一级和二级取代基的 4-取代戊-4-烯烃转化为相应的环戊酮。