自由基环化反应生成锡烷和三角双锥锡配合物。
Unexpected formation of stannolanes and trigonal bipyramidal tin complexes by radical cyclization reaction.
机构信息
Department of Applied Molecular Bioscience, Graduate School of Medicine, Yamaguchi University, Ube 755-8611, Japan.
出版信息
Chem Commun (Camb). 2012 Jul 4;48(52):6592-4. doi: 10.1039/c2cc31753b. Epub 2012 May 24.
PMID:22622256
Abstract
Optically active stannolanes and trigonal bipyramidal pentacoordinated tin complexes were readily prepared by radical cyclization of N-propargylated chiral aza-Morita-Baylis-Hillman adducts induced by Bu(3)SnH. A translocated radical through the cyclization attacked the Bu(3)Sn group in an S(H)2 manner.
摘要
通过三丁基锡氢引发的 N-炔丙基手性氮杂-Morita-Baylis-Hillman 加合物的自由基环化反应，可简便地制备具有光学活性的锡烷和三角双锥五配位锡配合物。通过环化反应迁移的自由基以 S(H)2 方式进攻三丁基锡基团。
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