Synthesis of Azepine Derivatives by Rhodium-Catalyzed Tandem 2,3-Rearrangement/Heterocyclization

被引:73
作者
Nakamura, Itaru [1 ]
Okamoto, Masashi [2 ]
Sato, Yoshinori [2 ]
Terada, Masahiro [1 ]
机构
[1] Tohoku Univ, Grad Sch Sci, Res & Analyt Ctr Giant Mol, Sendai, Miyagi 9808578, Japan
[2] Tohoku Univ, Grad Sch Sci, Dept Chem, Sendai, Miyagi 9808578, Japan
关键词
alkynes; nitrogen heterocycles; rearrangement; rhodium; ring expansion; INTERMOLECULAR 4+2 CYCLOADDITION; CYCLOPROPYL IMINES; 1ST; VINYLALLENE; VINYLCYCLOPROPANES; TRANSFORMATION; NITROGEN; ALKYNES;
D O I
10.1002/anie.201205285
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Easy to N-cycle: The efficient synthesis of azepine derivatives was achieved by Rh-catalyzed tandem 2,3-rearrangement involving the heterocyclization of N-allenylnitrone intermediates (see scheme; cod=1,5-cyclooctadiene, tppms=sodium diphenylphosphinobenzene-3-sulfonate). Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:10816 / 10819
页数:4
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