摘要
以三氟乙酰乙酸乙酯和硫脲为原料,经环化、氯化和亲核取代反应制得中间体4-甲胺基-6-三氟甲基-2-甲硫基嘧啶(3);以间氯过氧苯甲酸为氧化剂,3经氧化反应合成了新化合物——4-甲胺基-6-三氟甲基-2-甲砜基嘧啶(4),其结构经1H NMR,MS,元素分析和X-射线单晶衍射表征。4(CCDC:973 037)属单斜晶系,空间群P2(1)/c,晶胞参数a=5.068 7(4),b=15.296 8(11),c=13.833 9(10),β=13.833 9(10)°,V=1 065.81(14)3,Z=4,Dc=1.591 g·cm-3,μ=0.336 mm-1,F(000)=520,R1=0.051 1,wR2=0.135 3。
The inetermediate,4-methylamino-6-trifluoromethyl-2-( methylthio) pyrimidine( 3),was prepared by cyclization,chlorination and nucleophilic substitution reaction,using ethyl trifluoroacetate and thiourea as starting materials. The novel compound,4-methylamino-6-trifluoromethyl-2-( methylsulfonyl) pyrimidine( 4),was synthesized by oxidation of 3 using m-CPBA as the oxidant.The structure was characterized by1 H NMR,MS,elemental analysis and X-ray single crystal diffraction. 4( CCDC: 973 037) belongs to monoclinic system,P2( 1) / c space group with a = 5. 068 7( 4),b = 15. 296 8( 11) ,c = 13. 833 9( 10) ,β = 13. 833 9( 10) °,V = 1 065. 81( 14) 3,Z = 4,Dc = 1. 591 g·cm- 3,μ = 0. 336 mm- 1,F( 000) = 520,R1= 0. 051 1,wR2= 0. 135 3。
出处
《合成化学》
CAS
CSCD
2015年第10期941-944,共4页
Chinese Journal of Synthetic Chemistry
基金
国家自然科学基金资助项目(81302629)
江苏省大学生创新创业计划训练项目(201410313028Z)