A new electrosynthesis of 2,2-dimethylchromenes from 2-(1-bromo-1-methylethyl)benzofurans
作者:Masao Tsukayama、Hideyuki Utsumi、Akira Kunugi
DOI:10.1039/c39950000615
日期:——
Electrolytic reduction of 2-(1-bromo-1-methylethyl)benzofurans in acetonitrile affords the corresponding 2,2-dimethylchromenes in good yields even in the absence of a proton donor and comprises the cleavage of a carbon–bromine bond followed by ring expansion.
即使在没有质子供体的情况下,2-(1-溴-1-甲基乙基)苯并呋喃在乙腈中电解还原也能以良好的产率得到相应的2,2-二甲基色烯,并且包括碳-溴键的断裂和环扩展。