The products of the photolysis of 2-(4-alkyI(or phenyl)piperazino)-3-amino-1,4-naphthoquinones, their structures and subsequent thermal transformations
作者:V. N. Berezhnaya、V. P. Vetchinov、V. I. Mamatyuk、R. P. Shishkina
DOI:10.1007/bf00698958
日期:1993.5
Photolysis of 2-(4-alkyI(phenyl)piperazino)-3-amino-1,4-naphthoquinones affords 2-alkyl (phenyl)-1,2,3,4,12,12a-hexahydronaphtho[2′,3′∶4,5]imidazo[1,2-a]pyrazine-6,11-diols which recyclize at elevated temperatures to yield 1,2,3,4-tetrahydro-13-alkyl(phenyl)-3,1-(iminoethano) benzo[g]quinoxaline-5,10-diols. The latter are oxidated with atmospheric oxygen to the corresponding diones. On the basis of
2-(4-烷基(苯基)哌嗪基)-3-氨基-1,4-萘醌的光解得到2-烷基(苯基)-1,2,3,4,12,12a-六氢萘[2',3' ∶ 4,5]咪唑并[1,2-a]吡嗪-6,11-二醇,在高温下循环生成1,2,3,4-四氢-13-烷基(苯基)-3,1-(亚氨基乙醇) ) 苯并[g]喹喔啉-5,10-二醇。后者被大气氧氧化成相应的二酮。在氘交换数据的基础上,提出了一种再循环的机制。