The cross-coupling of aldehydes with chloro homoallyl alcohols mediated by indium trichloride generated (cis) 2,6-disubstituted-4,4-(gem)-dichlorotetrahydropyrans smoothly with high diastereoselectivity.
在
三氯化铟的介导下,醛与
氯均烯丙基醇的交叉偶联以高非对映选择性顺利生成了(顺式)2,6-二取代-4,4-(gem)-二
氯四氢吡喃。