(4S,5R)-3-(furan-2-carbonyl)-5-methyl-N-(3-oxo-2,3-dihydro-1H-inden-4-yl)oxazolidine-4-carboxamide 以
六甲基磷酰三胺 、
乙腈 为溶剂,
以40%的产率得到(1S,2R,6S,11R,12S)-anti-1-hydroxy-5,10-dioxa-8,14-diaza-11-methylhexacyclo[13.6.1.0
2,6.0
6,14.0
8,12.0
19,22]docosa-3,15,17,19(22)-tetraene-7,13-dione