期刊
CHEMICAL SCIENCE
卷 5, 期 11, 页码 4216-4220出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4sc01940g
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资金
- Netherlands Organization for Scientific Research (NWO-CW)
- National Research School of Catalysis (NRSC-C)
- European Research Council (ERC) [227897]
- Royal Netherlands Academy of Arts and Sciences (KNAW)
- Ministry of Education Culture and Science [024.601035]
Chiral N,O-heterocycles were synthesized in high yields and excellent enantioselectivity up to 97% ee via iridium-catalysed intramolecular allylic substitution with nucleophilic attack by the amide oxygen atom. The resulting benzoxazine derivatives were further transformed into challenging chiral N,O-ketals bearing both a tertiary and a quaternary center with excellent diastereoselectivities.
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