Synthesis and characterization of organometallic macrocyclic rhodium (Ⅲ) complex with pyrazine ligands  

作　　者：WANGJianqiang ZHANGZheng WENGLinhong JINGuoxin 

机构地区：[1]ShanghaiKeyLaboratoryofMolecularCatalysisandInnovationMaterials,DepartmentofChemistry,FudanUniversity,Shanghai200433,China

出　　处：《Chinese Science Bulletin》2004年第11期1122-1125,共4页

摘　　要：The reaction of half-sandwich complex (Cptt Rh)2Cl2(m-Cl)2 (1) (Cptt = h5-tBu2C5H3) with 1 equiv. of AgSO3CF3 in CH2Cl2 affords tri-m-chloro dirhodium (2) cation compound, with 2 equiv. of AgSO3CF3 providing di- m-chloro complex 3. The reaction of 3 with pyrazine gives a novel tetra-nuclear 14-member organometallic macrocyclic complex 4. FT-IR, 1H-NMR, and EA were used to character-ize these complexes. The structures of complexes 2 and 4 are confirmed by X-ray analysis. In complex 2, the two Cptt ring and tri-chloro atoms faces are approximately parallel to each other. In complex 4, the complex cation has a rectangular cavity with the dimension of 0.3748 nm?.7027 nm, and the two-pyrazine rings are parallel to each other with a distance of 0.3510 nm.The reaction of half-sandwich complex (Cptt Rh)2Cl2(m-Cl)2 (1) (Cptt = h5-tBu2C5H3) with 1 equiv. of AgSO3CF3 in CH2Cl2 affords tri-m-chloro dirhodium (2) cation compound, with 2 equiv. of AgSO3CF3 providing di- m-chloro complex 3. The reaction of 3 with pyrazine gives a novel tetra-nuclear 14-member organometallic macrocyclic complex 4. FT-IR, 1H-NMR, and EA were used to character-ize these complexes. The structures of complexes 2 and 4 are confirmed by X-ray analysis. In complex 2, the two Cptt ring and tri-chloro atoms faces are approximately parallel to each other. In complex 4, the complex cation has a rectangular cavity with the dimension of 0.3748 nm?.7027 nm, and the two-pyrazine rings are parallel to each other with a distance of 0.3510 nm.

关 键 词：半夹层铑络合物 有机金属宏循环化合物 吡嗪 单晶结构 建筑砌块 

分 类 号：O614.822[理学—无机化学] O641.4[理学—化学]