A stereoselective synthesis of anti-γ,δ-alkynyl- and -alkenyl-β-hydroxy-α-amino esters from tin(II) enolates of glycinate

被引:14
作者
Gridley, JJ [1 ]
Coogan, MP [1 ]
Knight, DW [1 ]
Malik, KMA [1 ]
Sharland, CM [1 ]
Singkhonrat, J [1 ]
Williams, S [1 ]
机构
[1] Cardiff Univ, Dept Chem, Cardiff CF10 3TB, S Glam, Wales
关键词
D O I
10.1039/b306291k
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Condensations between the tin(II) enolate 11 of ethyl N-tosylglycinate and conjugated ynals 12 and ynones 14 are highly diastereoselective, in favour of the anti-isomers 13 and 15; similar reactions of enals and enones 17 show lower but still useful levels of anti-stereoselectivity.
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页码:2550 / 2551
页数:2
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