Thermal 1,3-Trityl Migrations in Diels-Alder Domino Reactions of 1-Trityl-4-vinyl-1H-imidazoles

被引:17
作者
Cotterill, Lynsey J. [1 ]
Harrington, Ross W. [1 ]
Clegg, William [1 ]
Hall, Michael J. [1 ]
机构
[1] Newcastle Univ, Sch Chem, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
基金
英国工程与自然科学研究理事会;
关键词
PYRROLE-IMIDAZOLE ALKALOIDS; NATURAL-PRODUCTS; ENANTIOSELECTIVE STRATEGY; MARINE ALKALOIDS; DERIVATIVES; 4-VINYLIMIDAZOLES; OROIDIN; ACCESS; INDOLE; (+/-)-EBURNAMONINE;
D O I
10.1021/jo100416c
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Under thermal conditions, tritylimidazoles have been shown to undergo sterically driven N -> N trityl migrations, in disagreement with previously published reports. These migrations are a key step in several highly diastereo-selective domino reaction sequences (Diels-Alder, [1,3]-H shift, [1,3]-trityl migration and Diels-Alder, [1,3]-H shift, [1,3]-trityl migration, Michael reaction) leading to architecturally complex molecules.
引用
收藏
页码:4604 / 4607
页数:4
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