(6aR,10aR)-1-[[(6a,7,10,10a-Tetrahydro-1-hydroxy-6,6-dimethyl-3-pentyl-6H-dibenzo[b,d]pyran-9-yl)carbonyl]oxy]-2,5-pyrrolidinedione 、
N,N-dicyclohexylurea 、
1,3-二氨基-2-羟基丙烷 以
吡啶 为溶剂,
生成 (6aS,10aS)-N-[3-[[(6a,7,10,10a-Tetrahydro-1-hydroxy-6,6-dimethyl-3-pentyl-6H-dibenzo[b,d]pyran-9-yl)carbonyl]amino]-2-hydroxypropyl]-3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-5-carboxamide