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Nickel(II)‐Catalyzed Diastereo‐ and Enantioselective [3+2] Cycloaddition of α‐Ketoesters with 2‐Nitrovinylindoles and 2‐Nitrovinylpyrroles
Author(s) -
Yang WuLin,
Sun ZhongTao,
Sun Hao,
Deng WeiPing
Publication year - 2019
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.201800572
Subject(s) - stereocenter , chemistry , enantioselective synthesis , cycloaddition , yield (engineering) , catalysis , derivatization , nickel , combinatorial chemistry , stereochemistry , medicinal chemistry , organic chemistry , high performance liquid chromatography , materials science , metallurgy
Summary of main observation and conclusion The catalytic asymmetric [3+2] cycloaddition of α‐ketoesters with 2‐nitrovinylindoles and 2‐nitrovinyl‐ pyrroles has been established. This strategy allowed the construction of structurally diverse pyrrolo[1,2‐ a ]indoles bearing three contiguous stereocenters in generally high yields and good to excellent stereoselectivities (up to 98% yield, > 98 : 2 dr, 99% ee). The efficient synthesis of tetracyclic psychotropic compound analogue via the derivatization of cycloadduct showed the great synthetic potential of this strategy.
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