Decarboxylative radical addition of N-Boc-amino acids to acrylonitrile via photoinduced electron transfer using 1,4-dicyanonaphthalene
作者:Yasuharu Yoshimi、Shota Hayashi、Keisuke Nishikawa、Yoshiki Okita、Kousuke Maeda、Toshio Morita、Tatsuya Itou
DOI:10.1007/s11164-012-0657-z
日期:2013.1
Decarboxylative radical addition of N-(t-butoxycarbonyl)amino acids to acrylonitrile was achieved by excitation of 1,4-dicyanonaphthalene. The photochemical decarboxylation was highly dependent on the dicyanoarenes used as electron acceptors and on addition of a base. The photoreaction proceeded smoothly to yield the decarboxylative adduct even in the presence of only a catalytic amount of 1,4-dicyanonaphthalene.
通过激发 1,4-二
氰基萘,实现了 N-(叔丁氧基羰基)
氨基酸与
丙烯腈的脱羧自由基加成。光
化学脱羧反应在很大程度上取决于用作电子受体的二
氰基烯烃和加入的碱。即使在只有少量 1,4-二
氰基萘的催化下,光反应也能顺利进行,生成脱羧加合物。