反应详情

The procedure described in (a) is repeated, starting from 87.3 g (0.31 mole) of 3,12-di-(2-butyl)-1,2-diaza-1,5,9-cyclododecatriene (diastereoisomer mixture) and using correspondingly reduced amounts of catalyst and solvent, affording as main fraction 74.7 g (85% of theory) of 4,13-diamino-3,14-dimethylhexadecane as a colourless oil [b.p. 143° to 145° C./0.05 torr; nD20 =1,4639; IR spectrum (liquid) includes bands at 3330, 1626 cm-1 ].