Unsymmetrical Photodimerization of a 9-Aminomethylanthracene in the Crystalline Salt

摘要

By the salt formation with particular nonaromatic dicarboxylic acids,rapid and selective photodimerization of 9-(N,N-dimethylaminomethyl)anthracene (1) was accomplished in the solid state.For instance,the salt with trans,trans-muconic acid or acetylenedicarboxylic acid was led quantitatively to the 9,10:4',1' photodimer usy-ht-2,the first example of the unsymmetrical [4+4] photodimerization of anthracene in the solid state.The reactions were rationalized by the releyant C...C distances between the reacting -carbons.