6-cyclopropyl-2,2,8-trimethyl-4H-[1,3]dioxino[4,5-c]pyridine-5-carbaldehyde 、
对氨基苯腈 以give 4-[(6-cyclopropyl-2,2,8-trimethyl-4H-[1,3]dioxino[4,5-c]pyridin-5-ylmethyl)-amino]-benzonitrile (169) (3.7 g, 51% yield)的产率得到4-[(6-cyclopropyl-2,2,8-trimethyl-4H-[1,3]dioxino[4,5-c]pyridin-5-ylmethyl)-amino]-benzonitrile