期刊
SYNLETT
卷 26, 期 11, 页码 1545-1548出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0034-1380874
关键词
aldol reaction; cooperative catalysis; isatins; isocyanoacetates; guanidine
资金
- National Natural Science Foundation of China [21222206, 21321061]
- Fok Ying Tung Education Foundation [141115]
A cooperative chiral guanidine/Ag(I) catalyst system was developed for the asymmetric isocyanoacetate aldol reaction with isatins. The corresponding chiral spirooxindole oxazolines were obtained in good yields (up to 99%), moderate diastereoselectivities (up to 88:12 dr) and good enantioselectivities (up to 90% ee).
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