Chinese Journal of Catalysis ›› 2013, Vol. 34 ›› Issue (10): 1816-1819.DOI: 10.1016/S1872-2067(12)60680-9

• Communications • Previous Articles     Next Articles

Ru(Ⅱ)-catalyzed ring expansion of alkynylcyclopropanes in the presence of sulfonamides

Yuye Chena,b, Junsong Wanga, Xingwei Lib, Aiqun Jiaa   

  1. a School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210014, Jiangsu, China;
    b Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China
  • Received:2013-08-04 Revised:2013-08-16 Online:2013-09-29 Published:2013-09-29
  • Contact: Aiqun Jia
  • Supported by:

    This work was supported by the National Natural Science Foundation of China (31070312, 31170131), the Jiangsu Qinglan Project, and the Fundamental Research Funds for the Central Universities (30920130121013).

Abstract:

Ru(II)-catalyzed ring expansion of alkynylcyclopropanes to alkylidenecyclobutanamines using a variety of cyclopropane and sulfonamide substrates was developed and shown to give moderate to excellent yields.

Key words: Transition metal, Ruthenium, Catalysis, Ring expansion, Sulfonamide