| 摘要 |
<p>An organic compound having a nitroxide free radial of the formula (2) is prepared by reacting a cyclic secondary amine having a steric hindrance of the formula (1) with a peroxide in the presence of at least 1 part by weight of an organic compound having a cyano group per 1 part by weight of the cyclic secondary amine having the steric hindrance. In the formulae (1) and (2), T is a methylene group, an ethylene group, an oxygen atom or a methyleneoxy group; R is an alkyl group, an aralkyl group, an aryl group, a cycloalkyl group, an alkoxy group, an acyl group an acyloxy group, an amino group, a hydroxyl group or a heterocyclic group; R<1>, R<2>, R<3> and R<4> are the same or different and each an alkyl group or an aryl group, or R<1> and R<2> and/or R<3> and R<4> together form a tetramethylene group or a pentamethylene group; and n is an integer of 0 to 6. <CHEM></p> |
