Completely diastereoselective aziridination of α,β-unsaturated acids via intramolecular reaction of 3-acetoxyaminoquinazolin-4(3H)-ones

被引:15
作者
Atkinson, RS [1 ]
Draycott, RD
Hirst, DJ
Parratt, MJ
Raynham, TM
机构
[1] Univ Leicester, Dept Chem, Leicester LE1 7RH, Leics, England
[2] Roche Discovery Welwyn, Welwyn Garden City AL7 3AY, Herts, England
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1016/S0040-4039(02)00136-3
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
(R)-3-Amino-2-[1-(2-hydroxyethoxy)ethyl]quinazolin-4(3H)-one 10 was prepared in 62% yield without the need for chromatography and O-cinnamoylated reaction with lead tetra-acetate gave aziridine 12 as a single diastereoisomer in quantitative yield which was converted into the beta-amino acid ester 15 corresponding to overall enantioselective addition of ammonia to the double bond of cinnamic acid. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:2083 / 2085
页数:3
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