The catalytic, alcoholytic kinetic resolution of oxazinones is reported. A novel, stereochemically dense cinchona alkaloid-based catalyst can facilitate the highly enantiodiscriminatory (S up to 101) ring-opening of oxazinones equipped with electrophilic aryl units to generate orthogonally protected β-amino acids for the first time.
报道了恶嗪酮的催化醇解动力学拆分。一种新颖的、立体
化学致密的
金鸡纳
生物碱催化剂可以促进具有亲电子芳基单元的恶嗪酮的高度对映歧视性( S高达101)开环,从而首次生成正交保护的β-
氨基酸。