| 摘要 |
<p>The parent patent described azonitriles useful, among others as free radical initators, having a half-life 3 hrs at 80-150 degrees C and contg. a carboxylic acid, isocyanate or halogenoformyl gp. This addn. claims functional azonitrile cpds. of formula (I). where Y is a carboxlic acid ester gp. Z is H or a gp. Y, m, n, p and q are 0 or 1-12, pref. 1-8 so that (m+n) and (p+q) are 2-12 pref. 2-8, and r and s are 0 or 1-9 pref. more pref.</p> |
