(E)-phenyl 3-(benzhydryloxy)-2-methyl-4-(2-methylcyclohex-1-en-1-yl)-4-oxobut-2-enoate 在
2-叔丁基苯酚 、
N-{(4S,11bR)-2,6-bis[4-(tert-butyl)phenyl]-4-oxidodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl}-1,1,1-trifluoromethanesulfonamide 作用下,
以
甲苯 为溶剂,
反应 24.0h,
以71%的产率得到(1S,7aS)-phenyl 3-hydroxy-1,7a-dimethyl-2-oxo-2,4,5,6,7,7a-hexahydro-1H-indene-1-carboxylate