A novel class of diastereomeric macrocycles was synthesized via tandem Diels-Alder reactions of prochiral double sorbyl or sorboyl derivatives and short-bridged bis-1,2,4-triazoline-3,5-diones.
通过亲手性双山梨或山梨酰衍
生物与短桥双-
1,2,4-三唑啉-3,5-二酮的串联 Diels-Alder 反应,合成了一类新型非对映大环。