铜催化的叠氮化物-炔烃环加成反应合成5-organostibano-1 H -1,2,3-三唑及其在酰基诱导的脱锑反应中用于制备完全取代的5-酰基-1,2,3-三唑
摘要:
在有氧条件下,在CuBr(5 mol%)存在下,各种乙炔基苯乙烯与苄基叠氮化物反应,Cu催化的叠氮化物-炔烃环加成反应导致形成三取代的5-organostibano-1 H -1,2,3-三唑。此外,在N,N-二甲基-4-氨基吡啶和三乙胺存在下,酰基磺酰基5-stibanotriazoles的酰基诱导的去锑化反应以中等至良好的产率提供了相应的三取代的5-酰基三唑。
The preparation of phenyl substituted antimony(III) and antimony(V) chlorides and bromides
作者:Michael Nunn、D.Bryan Sowerby、Denise M Wesolek
DOI:10.1016/s0022-328x(00)98787-4
日期:1983.8
In the absence of solvent, the redistribution of and molar mixtures of Ph3Sb and SbX3, where X = Cl or Br, is rapid giving quantitative yields of Ph2SbX and PhSbX2, respectively.
Novel organoantimony and bismuth compounds, 2-(di-p-tolylstibano)- and 2-(di-p-tolylbismuthano)-N-p-tolylbenzamide (2 and 3), bearing an amide moiety as the pendant arm were synthesized and characterized by NMR, IR, single-crystal X-ray diffraction, and elemental analyses. The molecular structures of compounds 2 and 3 showed the presence of intramolecular interactions between the antimony/bismuth and
新颖有机锑和铋的化合物,2-(二- p -tolylstibano) -和2-(二- p -tolylbismuthano) - ñ - p -tolylbenzamide(2和3),轴承酰胺部分作为侧挂臂被合成和表征通过NMR,IR,单晶X射线衍射和元素分析。化合物2和3的分子结构分别显示出固态的锑/铋原子和羰基氧原子之间存在分子内相互作用。中心原子(Sb和Bi)表现出伪三角双锥体结构。化合物2和3在所有测试的细胞系中均显示出有效的抗增殖活性。特别地,含铋的化合物3比含锑的化合物2更敏感。