(1S,6S,9S,10S)-9-(methoxymethoxy)-6,10-dimethyl-2-methylidene-12-oxatricyclo[7.2.1.01,6]dodecane-10-carbaldehyde 、
3-methyl-2-oxo-butylphosphonic acid dimethyl ester 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以0.4475 g的产率得到(E)-1-[(1S,6S,9S,10S)-9-(methoxymethoxy)-6,10-dimethyl-2-methylidene-12-oxatricyclo[7.2.1.01,6]dodecan-10-yl]-4-methylpent-1-en-3-one