tert-butyl-dimethyl-(1-morpholin-4-ylbuta-1,3-dienoxy)silane 、
benzyl pyruvate 在
2,2,2-三氟乙醇 、 copper(II) bis(trifluoromethanesulfonate) 、
(S)-N-[2-(2,4,6-triisopropylbenzyl)aminophenyl]-S-methyl-S-phenylsulfoximine 作用下,
以
乙醚 为溶剂,
反应 16.0h,
生成
benzyl (R,E)-2-hydroxy-2-methyl-6-morpholino-6-oxohex-4-enoate 、 benzyl (S,E)-2-hydroxy-2-methyl-6-morpholino-6-oxohex-4-enoate