(S)-10-chloro-3-({4-[(2,3-dihydro[1,4]dioxino[2,3-c]pyridin-7-ylmethyl)amino]-1-piperidinyl}methyl)-2,3,6,7-tetrahydro-5H-[1,4]oxazino[4,3,2-de]quinoxalin-5-one 在
manganese(IV) oxide 作用下,
以
二氯甲烷 为溶剂,
反应 72.0h,
以21%的产率得到(S)-10-chloro-3-({4-[(2,3-dihydro[1,4]dioxino[2,3-c]pyridin-7-ylmethyl)amino]-1-piperidinyl}methyl)-2,3-dihydro-5H-[1,4]oxazino[4,3,2-de]quinoxalin-5-one