期刊
BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY
卷 12, 期 -, 页码 1551-1556出版社
BEILSTEIN-INSTITUT
DOI: 10.3762/bjoc.12.149
关键词
3-amino-3-phosphonyl-substituted oxindole; alpha-aminophosphonates; bifunctional organocatalyst; ketimines; organocatalysis; squaramide
资金
- Soonchunhyang University Research Fund
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT and Future Planning [2014006224]
Chiral binaphthyl-modified squaramide-catalyzed enantioselective addition of diphenyl phosphonate to ketimines derived from isatins has been achieved. This method affords practical and efficient access to chiral 3-amino-3-phosphonyl-substituted oxindole derivatives in high yields with excellent enantioselectivities (up to 99% ee).
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