The compound 3,6-bis(4-methyl-1,2,3-thiadiazol-5-yl)-1,2,4-triazolo[3,4-b][1,3,4] thiadiazole(C9H6N8S3,Mr = 322.40) has been synthesized by the reaction of 4-amino-3-(4-methyl-1,2,3-thiadiazolyl)-5-mercapto-1,2,...The compound 3,6-bis(4-methyl-1,2,3-thiadiazol-5-yl)-1,2,4-triazolo[3,4-b][1,3,4] thiadiazole(C9H6N8S3,Mr = 322.40) has been synthesized by the reaction of 4-amino-3-(4-methyl-1,2,3-thiadiazolyl)-5-mercapto-1,2,4-triazole with 4-methyl-1,2,3-thiadiazol-5-carboxylic acid and phosphorus oxychloride,and its structure was characterized by IR,1H NMR,EI-MS,elemental analysis and single-crystal X-ray diffraction.The crystal of the title compound belongs to monoclinic,space group C2/c with a = 2.0053(4),b = 1.3081(3), c = 1.0556(2) nm, β = 112.69(3)°,Z = 4, V= 2.5548(9) nm^3, Dc = 1.676 g/cm^3, μ= 0.582 mm^-1, F(000) = 1312, R = 0.0546 and wR = 0.1523. X-ray analysis indicates that all rings are essentially planar in this molecule, and an intermolecular hydrogen bond C(9)-H(9)…N(2) and weak intramolecular interactions between S(1)…N(7), S(3)…N(1) and S(2)…N(4) are observed.展开更多
基金supported by the National Natural Science Foundation of China (Nos 20672062 and 20872071)the Natural Science Foundation of Tianjin (No 07JCYBJC01200)+1 种基金the International Collaboration Program of the National Natural Science Foundation of China (No 20911120069)International Collaboration Program of Tianjin on Science and Technology (No 07ZCGHHZ01400)
文摘The compound 3,6-bis(4-methyl-1,2,3-thiadiazol-5-yl)-1,2,4-triazolo[3,4-b][1,3,4] thiadiazole(C9H6N8S3,Mr = 322.40) has been synthesized by the reaction of 4-amino-3-(4-methyl-1,2,3-thiadiazolyl)-5-mercapto-1,2,4-triazole with 4-methyl-1,2,3-thiadiazol-5-carboxylic acid and phosphorus oxychloride,and its structure was characterized by IR,1H NMR,EI-MS,elemental analysis and single-crystal X-ray diffraction.The crystal of the title compound belongs to monoclinic,space group C2/c with a = 2.0053(4),b = 1.3081(3), c = 1.0556(2) nm, β = 112.69(3)°,Z = 4, V= 2.5548(9) nm^3, Dc = 1.676 g/cm^3, μ= 0.582 mm^-1, F(000) = 1312, R = 0.0546 and wR = 0.1523. X-ray analysis indicates that all rings are essentially planar in this molecule, and an intermolecular hydrogen bond C(9)-H(9)…N(2) and weak intramolecular interactions between S(1)…N(7), S(3)…N(1) and S(2)…N(4) are observed.
基金Foundation of the Key Laboratory of Pesticide Chemistry and Application,Ministry of Agriculture ( MOA ) ( No. MOAPCA200903)National Natural Science Foundation of China ( Nos. 20872071,20911120069 )+5 种基金Key Project of the Tianjin Natural Science Foundation ( 10JCZDJC17500 )The National Key Project for Basic Research ( 2010CB126105 )National Key Technology Research and Development Program ( 2011BAE06B05 )Common Specialized Research Fund of China Agriculture ( nyhyzx3-21,201103016 and 201003029)The Russian Foundation for Basic Research ( Nos RFBR 08-03-00376 a and RFBR /NNSF 08-03-92208 a)the Foundation of Achievements Transformation and Spreading of Tianjin Agricultural Science and Technology ( No. 201002250)