(5R,6S,E)-isopropyl 5-acetamido-8-ethyl-6-hydroxy-2,2-dimethoxydec-3-enoate 在
iron(III) chloride hexahydrate 作用下,
以
二氯甲烷 为溶剂,
反应 2.5h,
以87%的产率得到2-methyl-(isopropyl 5-acetamido-2,6-anhydro-8-ethyl-3,5,7,8,9,10-hexadeoxy-D-altro-D-talo-deca-2-enoate)-[4,5-d]-2-oxazoline