Alpha-甲基苯乙烯 、
3-(3-Thienyl)propanal 在
disodium hydrogenphosphate 、 (2R,5R)-2-tert-butyl-3,5-dimethylimidazolidin-4-one trifluoroacetic acid salt 、 iron trisphenanthroline trishexafluoroantimonate 作用下,
以
四氢呋喃 为溶剂,
反应 12.0h,
生成
(5R,7R)-4,5,6,7-tetrahydro-7-p-tolylbenzo[b]thiophene-5-carbaldehyde 、
(5R,7S)-4,5,6,7-tetrahydro-7-p-tolylbenzo[b]thiophene-5-carbaldehyde