共 48 条
Kinetic resolution of racemic α-hydroxyphosphonates by asymmetric esterification using achiral carboxylic acids with pivalic anhydride and a chiral acyl-transfer catalyst
被引:26
|作者:
Shiina, Isamu
[1
]
Ono, Keisuke
[1
]
Nakahara, Takayoshi
[1
]
机构:
[1] Tokyo Univ Sci, Fac Sci, Dept Appl Chem, Shinjuku Ku, Tokyo 1628601, Japan
关键词:
ALCOHOLS;
INHIBITORS;
HYDROXYALKANEPHOSPHONATES;
ANALOGS;
PHOSPHONATES;
D O I:
10.1039/c3cc44293d
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
A practical protocol is developed to directly provide chiral alpha-acyloxyphosphonates and alpha-hydroxyphosphonates from (+/-)-alpha-hydroxyphosphonates utilizing the transacylation process to generate the mixed anhydrides from acid components and pivalic anhydride in the presence of organocatalysts (s-value = 33-518).
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页码:10700 / 10702
页数:3
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