-benzol 、 (R)-2,5,7,8-tetramethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)chroman-6-yl 4-(2-oxoquinoxalin-1(2H)-yl)butanoate 在
tris(bipyridine)ruthenium(II) dichloride hexahydrate 作用下,
以
1,2-二氯乙烷 为溶剂,
以71 %的产率得到(R)-2,5,7,8-tetramethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)chroman-6-yl 4-(3-(fluoromethyl)-2-oxoquinoxalin-1(2H)-yl)butanoate