Sequential Amino-Claisen Rearrangement/Intramolecular 1,3-Dipolar Cycloaddition/Reductive Cleavage Approach to the Stereoselective Synthesis of <i>cis</i>-4-Hydroxy-2-aryl-2,3,4,5-tetrahydro-1(1<i>H</i>)-benzazepines
作者:Alirio Palma、Sandra Gómez Ayala、Elena Stashenko、Alí Bahsas、Juan Amaro-Luis
DOI:10.1055/s-2006-949654
日期:2006.9
cis-2-aryl-4-hydroxy-2,3,4,5-tetrahydro-1-benzazepines from N-allylanilines utilizing aromatic amino-Claisen rearrangement and intramolecular 1,3-dipolar cycloaddition methodologies is described. This sequence involves N-allylation of corresponding N-benzylanilines followed by amino-Claisen rearrangement, subsequent oxidation with in situ 1,3-dipolar cycloaddition affording isoxazolidines, and finally
描述了一种新的立体选择性合成 cis-2-aryl-4-hydroxy-2,3,4,5-tetrahydro-1-benzazepines 从 N-allylanilines 利用芳香氨基-克莱森重排和分子内 1,3-偶极环加成方法。该序列涉及相应 N-苄基苯胺的 N-烯丙基化,然后是氨基-克莱森重排,随后用原位 1,3-偶极环加成氧化得到异恶唑烷,最后还原裂解异恶唑烷 NO 键。