The first germapyrazoline, 4-germa-1-pyrazoline (2), has been obtained by [2 + 3] cycloaddition of diazomethane to the GeC bond of the germene (1). Thermal or photochemical decomposition of 2 via a germirane intermediate (4) gives 9-methylenefluorene and dimesitylgermylene, which can be trapped by 2,3-dimethylbutadiene.
第一gerMApyrazoline,4- GERMA -1-
吡唑啉(2),得到了
重氮甲烷的[2 + 3]环加成到germene(的GeC键而获得1)。通过
二茂铁中间体(4)对2进行热或光
化学分解,得到
9-亚甲基芴和二聚间苯二甲撑,它们可以被2,3-二甲基
丁二烯捕获。