9-methoxy-1,2,3,4,4a,10a-hexahydrodibenzo-[b,e][1,4]dioxin-4-ol 、
N-(2-氯乙基)吗啉盐酸盐 以there were obtained 7.4 g of the title-compound of boiling point 192°-195° C. at a pressure of 65 Pa的产率得到4-(2-Morpholinoethoxy)-9-methoxy-1,2,3,4,4a,10a-hexahydrodibenzo-[b,e][1,4]dioxin