(R)-4-isopropyl-2-((1E,5E,9E)-2,6,10,14-tetramethylpentadeca-1,5,9,13-tetraen-1-yl)oxazol-5(4H)-one 、 Geranylgeranyl carbonyl chloride 、 以afforded the desired compound 37b (15 mg, 12%) as colorless oil的产率得到(S)-4-isopropyl-2-((1E,5E,9E)-2,6,10,14-tetramethylpentadeca-1,5,9,13-tetraen-1-yl)oxazol-5(4H)-one