1-Bromo-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-diones as α-bromoglycine templates
作者:Marı́a Luisa Heredia、Marı́a Fernández、Elena de la Cuesta、Carmen Avendaño
DOI:10.1016/s0957-4166(01)00067-2
日期:2001.3
The title compounds behaved as α-bromoglycine templates. Radical substitutions and SN1-type nucleophilic additions proceeded with retention of stereochemistry, while SN2-type displacements occurred with net inversion of configuration. A homocoupling product was obtained in attempting a Stille cross-coupling reaction.
标题化合物表现为α-溴甘氨酸模板。自由基取代和S N 1型亲核加成继续保留立体化学,而S N 2型置换发生净构型倒置。在尝试进行Stille交叉偶联反应时获得了均偶联产物。