(1R,2S,6S,7R)-9-(2,2-Dimethyl-propoxy)-11-methyl-9-oxo-4-phenyl-8-oxa-4-aza-9λ
5-phospha-tricyclo[5.2.2.0
2,6]undec-10-ene-3,5-dione 以
四氢呋喃 为溶剂,
生成
(1R,2aR,2bR,2cR,5aS,5bR,5cS)-1-(2,2-Dimethyl-propoxy)-2a-methyl-1-oxo-4-phenyl-hexahydro-2-oxa-4-aza-1λ5-phospha-cyclopenta[a]cyclopropa[cd]pentalene-3,5-dione