4,13-Diaminohexadecane 、 3,12-Dipropyl-1,2-diaza-1,5,9-cyclododecatriene 、
(1Z)-3,12-Dinonyl-1,2-diazacyclododeca-1,5,9-triene 以with otherwise the same procedure, there is obtained, as the main fraction, 40.4 g (40% of theory) of 10.19-diaminooctacosane [m.p. 33°-37° C.; IR (CH2Cl2) inter alia bands at 3225 and 1582 cm-1 ]的产率得到Octacosane-10,19-diamine