(2S)-2-[(3S,3aR,5aR,6S,7S,9aR,9bR)-dodecahydro-6-(3-hydroxypropyl)-6,9a,9b-trimethyl-7-(prop-1-en-2-yl)-1H-cyclopenta[a]naphthalen-3-yl]-6-methylhept-5-en-2-ol 在
pyridinium chlorochromate 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以83%的产率得到3-[(3S,3aR,5aR,6S,7S,9aR,9bR)-dodecahydro-3-[(2S)-2-hydroxy-6-methylhept-5-en-2-yl]-6,9a,9b-trimethyl-7-(prop-1-en-2-yl)-1H-cyclopenta[a]naphthalen-6-yl]propanal