[reaction: see text] Different conformers of two fused-ring cyclopropylchlorocarbenes are shown to undergo distinct, wavelength-selectable, photochemistry in low-temperature matrixes. Conformers with H and Cl syn give ring expansion predominantly, whereas those with H and Cl anti mainly fragment.
[反应:见正文]两种稠环环丙基
氯卡宾的不同构象异构体在低温基质中表现出不同的,波长可选的光
化学反应。具有H和Cl syn的构象异构体主要使环膨胀,而具有H和Cl 2的构象异构体主要断裂。