N,N’-双间甲苯基-3,6-二甲基-1,4-二氢-s-四嗪-1,4-二甲酰胺的合成和晶体结构 |
| |
引用本文: | 孙雅泉,胡惟孝,袁庆. N,N’-双间甲苯基-3,6-二甲基-1,4-二氢-s-四嗪-1,4-二甲酰胺的合成和晶体结构[J]. 有机化学, 2003, 23(5): 483-487 |
| |
作者姓名: | 孙雅泉 胡惟孝 袁庆 |
| |
作者单位: | 浙江工业大学药学院,杭州,310014 |
| |
基金项目: | 国家自然科学基金(No.20272053)、浙江省自然科学基金(No.200016)和浙江省科委重点(No.011101937)资助项目. |
| |
摘 要: | 间甲苯基异氰酸酯与3,6-二甲基-1,6-二氢-s-四嗪反应生成标题化合物 (C20H22N6O2,Mt=378.44).经X射线单晶结构分析表明,此晶体属正交晶系, P212121空间群,晶胞参数分别为:α=1.1602(2)nm,b=1.5921(3)nm,c=1. 3918(3)nm,V=1.9874(10)nm^3,Z=4,Dc=1.265g/cm^3,μ(MoKα)=0. 086mm^-1,F(000)=800,R和ωB分别是0.0619和0.1495.结果表明该化合物的两个 酰胺基接在s-四嗪环的1,4-位,而四嗪环呈船式构象,不具有同芳香性,分子中 存在氢键.
|
关 键 词: | 异氰酸酯 P 四嗪 P 甲酰胺 P 晶体结构 氢键 X射线衍射分析 |
修稿时间: | 2002-06-20 |
Synthesis and Crystal Structure of N,N~''-Bis-m-tolyl-3,6-dimethy1-1, 4-dihydro-s-tetrazine-1,4-dicarbonamide |
| |
Affiliation: | Institute of Pharmaceutical Engineering,Zhejiang University of Technology |
| |
Abstract: | The title compiund,N,N~'-bis-m-tolyl-3,6-dimethyl-1,4-dihydro-s- tetrazine-1,4-dicarbonamide(C_20H_22,N_6O_2,M_r=378.44)has been prepared and structurally characterized,The crystal belongs to the orthorhombic system,space group P2_12_12_1with parameters:a=1.1602(2) nm,b+1.5921(3)nm,c+1.3918(3)nm,V=1.9874(10)nm~3,z=4,D_c=1.265g/cm~3μ (MoKa)=.0.086mm~(-1)F(000)=800,R and wR are 0.0619 and 0.1495, respectively,for 2611 observed unique reflections, The molecular structure shows that two amide groups locate at 1 and 4 positions, and that the tetrazine ring takes a boat conformation and does not possess homoaromaticity |
| |
Keywords: | ISOCYANATE P TETRAZINE P FORMAMIDE P CRYSTAL STRUCTURE HYDROGEN BONDS XRD |
本文献已被 维普 万方数据 等数据库收录! |
| 点击此处可从《有机化学》浏览原始摘要信息 |
|
点击此处可从《有机化学》下载全文 |
|