PURINES, PYRIMIDINES AND IMIDAZOLES .67. SOME N-SUBSTITUTED O-(2-HYDROXYETHYL)BENZYL-PURINES, BENZYL-PYRIMIDINES AND BENZYL-IMIDAZOLES AS AROMATIC ACYLONUCLEOSIDE ANALOGS

被引:5
作者
AGATHOCLEOUS, DC
SHAW, G
机构
[1] Chemistry and Chemical Technology Department, University of Bradford, Bradford, West Yorkshire, BD7 1DP, Richmond Road
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1993年 / 21期
关键词
D O I
10.1039/p19930002555
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Reaction of isochromane with hydrogen bromide in acetic acid and further reaction of the products formed with potassium phthalimide gave a mixture of N-[o-(2-bromoethyl)benzyl]phthalimide and N-[o-(2-acetoxyethyl)benzyl]phthalimide. The mixture, on reaction with silver acetate, gave the latter compound, which with hydrazine gave o-(2-hydroxyethyl)benzylamine. The amine, on reaction with 2-cyano-2-(ethoxymethylenamino)acetamide, gave 5-amino-1-[o-(2-hydroxyethyl)benzyl]imidazole-4-carboxamide, which was cyclised to 9-[o-(2-hydroxyethyl)benzyl]-guanine, -hypoxanthine and -adenine. With N-ethoxycarbonyl-3-methoxy-2-methylacrylamide, 3-methoxy-2-methylacryloyl isothiocyanate and ethoxymethylenemalonylurethane, the amine produced 1-[o-(2-hydroxyethyl)benzyl]thymine, -2-thiothymine and -N-ethoxycarbonyluracil-5-carboxamide respectively. The latter, on reaction with alkali, gave 1-[o-(2-hydroxyethyl)benzyl]uracil-5-carboxylic acid, which was decarboxylated to 1-[o-(2-hydroxyethyL)benzyl]uracil. Structures were confirmed by EI, FAB and H-1 NMR spectra.
引用
收藏
页码:2555 / 2559
页数:5
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