Pyrimidine Derivatives. X. Synthesis of New Tricyclic Hetero Compounds Possessing a Pyrimidine Ring: 8,1,3,10-Thiatriazatricyclo(4.3.0.06,10)dodecanes and 8,1,3,10-Thiatriazatricyclo(4.4.0.06,10)tridecanes.
作者:Toshio KINOSHITA、Yukihiro WATANABE、Yumiko TAKAISHI、Tomoko OKUNAKA、Setsuko NAKAO、Sunao FURUKAWA
DOI:10.1248/cpb.41.1485
日期:——
Several new tricyclic hetero compounds possessing a pyrimidine ring were formed by reaction of 5-bromo- (and 5-nitro)-1-(2-bromoethyl, 3-bromopropyl, and 2-bromopropyl)-6-bromomethyl-3-methyl-2, 4(1H, 3H)-pyrimidinediones (1a-c and 7a, b) with thiourea derivatives : namely, 5-bromo-(and-5-nitro)-9-imino-3-methyl-(and 3, 11-dimethyl)-2, 4-dioxo-8, 1, 3, 10-thiatriazatricyclo[4.3.0.06, 10]dodecanes (2a-4a, 2c, and 8a-10a) and 5-bromo-(and 5-nitro)-9-imino-3-methyl-2, 4-dioxo-8, 1, 3, 10-thiatriazatricyclo[4.4.0.06, 10]tridecanes (2b-4b and 8b-10b). A new ring transformation reaction was found : compound 8b was converted to 7-acetylimino-3-methyl-2, 4-dioxo-6, 1, 3, 8-thiatriazatricyclo-[4.4.0.15, 8]dodec-5(12)-ene (11) by reaction with acetic anhydride.
5-溴-(和5-硝基)-1-(2-溴乙基、3-溴丙基和2-溴丙基)-6-溴甲基-3-甲基-2,4(1H,3H)-嘧啶二酮(1a-c和7a,b)与硫脲衍生物反应生成了几种具有嘧啶环的新三环杂化合物:即 5-溴-(和 5-硝基)-9-亚氨基-3-甲基-(和 3,11-二甲基)-2,4-二氧代-8,1,3,10-噻三唑三环[4.3.0.06,10]十二烷(2a-4a、2c 和 8a-10a)和 5-溴-(和 5-硝基)-9-亚氨基-3-甲基-2,4-二氧代-8,1,3,10-噻 三氮杂三环[4.4.0.06,10]十三烷(2b-4b 和 8b-10b)。发现了一种新的环转化反应:化合物 8b 通过与乙酸酐反应转化为 7-乙酰亚氨基-3-甲基-2, 4-二氧代-6, 1, 3, 8-硫氮三环-[4.4.0.15, 8]dodec-5(12)-ene (11)。