作者:Heinrich Nöth、Wilfried Rattay
DOI:10.1016/0022-328x(86)80292-3
日期:1986.9
Thermal decomposition of μ-(aminoborondithiolato)bis(tricarbonyliron) compounds gives the 2,4-diamino-1,3,2,4-dithiadiboretanes (R2NBS)2 (R2N NMe2, NiPr2, tmp) at ∼ 200°C. (Me2NBS)2 thus obtained reacts with itself in solution to give (Me2NBS)3. Therefore, the B2S2 compounds are the kinetically controlled products while the B3S3 ring systems represent the thermodynamic products. This is further substantiated
μ-(氨基硼二硫代巯基)双(三羰基铁)化合物的热分解得到2,4-二氨基-1,3,2,4-二硫代二硼烷(R 2 NBS)2(R 2 N N NMe 2,N i Pr 2,tmp )在〜200°C下。如此获得的(Me 2 NBS)2在溶液中与其自身反应,得到(Me 2 NBS)3。因此,B 2 S 2化合物是动力学控制的产物,而B 3 S 3环体系代表热力学产物。PhBS 2 Fe 2的热分解进一步证实了这一点。(CO)6在200°C下产生(PhBS)2与(PhBS)3的混合物,而纯的(PhBS)2可以在温和的条件下轻松地从PhBCl 2和(Me 3 Si)2 S获得。