While neither KHMDS nor Zn(HMDS)2 can unilaterally metallate toluene under the conditions studied, the bilateral base âKZn(HMDS)3â can smoothly do so to produce the benzyl product [KZn(HMDS)2(CH2Ph)}â], which exists in the crystal as an infinite spiral chain of benzyl (ambi-Ï, Ï)-linked (KNZnN) rings.
虽然在研究条件下,K
HMDS和Zn(
HMDS)2都无法单方面对
甲苯进行
金属化,但双价碱‘KZn(
HMDS)3’可以顺利完成这种反应,生成苄基产物[KZn(
HMDS)2(CH2Ph)}∞],该产物在晶体中以无限螺旋链的形式存在,包含苄基(ambi-σ, π)连接的(KNZnN)环。