INTRODUCTION OF FLUORINE INTO THE C8 POSITION OF PURINE NUCLEOSIDES

被引:13
作者
RATSEP, PC [1 ]
ROBINS, RK [1 ]
VAGHEFI, MM [1 ]
机构
[1] ICN,NUCL ACID RES INST,3300 HYLAND AVE,COSTA MESA,CA 92626
来源
NUCLEOSIDES & NUCLEOTIDES | 1990年 / 9卷 / 02期
关键词
D O I
10.1080/07328319008045132
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
We have synthesized 2-amino-6,8-difluoro-9-(2,3,5-tri-0-acetyl- B-D-ribofuranosyl)purine (3) from 2-amino-6,8-dichloro-9-(2,3,5-tn-O-acetyl- B-D-ribofuranosyl)purine (1) in a two-step procedure. The reaction of 3 with anhydrous ammonia in dry 1,2-dimethoxyethane gave 2,8-diamino-6-fluoro-9-(2,3,5-tri-0-acetyl-S-D-ribofuranosyl)purine (4) in 64,1% yield. Compound 4 was deaminated with t-butylnitrite in tetrahydrofuran to give 2-amino-6-fluoro-9-(2,3,5-tri-0-acetyl-B-D-ribofuranosyl)purine (6). The 1H, 19F, and 13C NMR spectral data were determined and evaluated for each of the compounds. © 1990, Taylor & Francis Group, LLC. All rights reserved.
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页码:197 / 204
页数:8
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