(1S)-(-)-莰烷酰氯 、 4,5-dihydro-4,4-dimethyl-2-<2(RS),4-dimethyl-1(SR)-hydroxylhepta-3(E),5(E)-dienyl>-oxazole 在
吡啶 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
以39%的产率得到(1S,4R)-4,7,7-Trimethyl-3-oxo-2-oxa-bicyclo[2.2.1]heptane-1-carboxylic acid (3E,5E)-(1S,2R)-1-(4,4-dimethyl-4,5-dihydro-oxazol-2-yl)-2,4-dimethyl-hepta-3,5-dienyl ester