66146-45-0Relevant academic research and scientific papers
Cobalt modified N-doped carbon nanotubes for catalytic C=C bond formation via dehydrogenative coupling of benzyl alcohols and DMSO
Li, Jinlei,Liu, Guoliang,Shi, Lijun,Xing, Qi,Li, Fuwei
supporting information, p. 5782 - 5788 (2017/12/26)
The development of heterogeneous, cost-effective and environmentally benign catalysts to construct C=C bonds is highly desirable. We report here Co@N-doped carbon nanotubes (Co@NCNT) as a catalyst for a novel synthesis of styryl sulfides via dehydrogenative coupling of benzyl alcohols and DMSO under anaerobic conditions. This reaction maintains high atom efficiency as the C=C bond is formed without the cracking of the C-S bond. We proposed that Co modified N-doped carbon sites are the active sites, different from traditionally believed metal centers for dehydrogenative C-C coupling. Moreover, the Co@NCNT catalyst could be easily separated and recycled for at least six runs. This work opens up a new application of metal-N-C catalysts in C=C bond-forming reactions in synthetic chemistry.
Desulfonylation of α-Methylthio-α,β-unsaturated Sulfones. A New Route to One Carbon Homologation of Aromatic Aldehydes
Huang, Xian,Zhang, Han-Zhong
, p. 42 - 43 (2007/10/02)
α-Methylthio-α,β-unsaturated sulfones 3 prepared from aromatic aldehydes 1 and sulfone 2 react with sodium hydrogen telluride in ethanol to undergo reductive desulfonylation to give vinyl sulfides 4 with certain extent of stereospecificity.A new route to one carbon homologation of aromatic aldehydes 1 to 5 is achieved by hydrolysis of 4 with titanium tetrachloride.
