Synthesis and antiviral activity of certain 4-substituted and 2,4-disubstituted 7-[(2-hydroxyethoxy)methyl]pyrrolo[2,3-d]pyrimidines
作者:Naveen K. Saxena、Brenda M. Hagenow、Gail Genzlinger、Steven R. Turk、John C. Drach、Leroy B. Townsend
DOI:10.1021/jm00403a005
日期:1988.8
3-d]pyrimidine (2) with (2-acetoxyethoxy)methyl bromide (3) has provided 4-chloro-2-(methylthio)-7[(2-acetoxyethoxy)methyl]pyrrolo[2,3- d]pyrimidine (4). Ammonolysis of 4 at room temperature gave 4-chloro-2-(methylthio)-7-[(2-hydroxyethoxy)methyl]pyrrolo[2,3- d]pyrimidine (5). However, ammonolysis of 5 at 130 degrees C furnished 4-amino-2-(methylthio)-7-[(2-hydroxyethoxy)methyl]-pyrrolo[2,3- d]pyrimidine (6)
用(2-乙酰氧基乙氧基)甲基溴(3)处理4-氯-2-(甲硫基)吡咯并[2,3-d]嘧啶(2)的钠盐,得到4-氯-2-(甲硫基)- 7 [(2-乙酰氧基乙氧基)甲基]吡咯并[2,3-d]嘧啶(4)。在室温下氨解4,得到4-氯-2-(甲硫基)-7-[(2-羟基乙氧基)甲基]吡咯并[2,3-d]嘧啶(5)。然而,在130℃下氨解5提供了4-氨基-2-(甲硫基)-7-[(2-羟基乙氧基)甲基]-吡咯并[2,3-d]嘧啶(6),其通过阮内镍脱硫。产生4-氨基-7-[((2-羟基乙氧基)-甲基]吡咯并[2,3-d]嘧啶(7)(哌啶的无环类似物)。用间氯过苯甲酸氧化6提供了砜衍生物8。用甲醇根阴离子从8亲核取代了2-甲基磺酰基,得到了4-氨基-2-甲氧基-7-[(2-羟基乙氧基)甲基]吡咯并[ 2,3-d]嘧啶(9)。用碘代三甲基硅烷对9进行脱甲基,得到4-氨基-2-羟基-7-[(2-羟基乙氧基)甲基]