Gold-catalyzed addition of sulfonic acids to alkynes to form vinyl sulfonates.
In the presence of a catalytic amount of (Ph3P)AuNO3 and phthalimide, the addition of toluenesulfonic acid or methanesulfonic acid to alkynes has been shown to proceed and gives vinyl tosylates and vinyl mesylates in good yields and regioselectivity.
Cui
Dong-Mei
DM
College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, PR China. cuidongmei@zjut.edu.cn
Meng
Qian
Q
Zheng
Jin-Zhou
JZ
Zhang
Chen
C
D000480:Alkynes / Q000737:chemistry*; D002384:Catalysis; D006046:Gold / Q000737:chemistry*; D015394:Molecular Structure; D013451:Sulfonic Acids / Q000737:chemistry*; D014753:Vinyl Compounds / Q000737:chemistry*
D000480:Alkynes; D013451:Sulfonic Acids; D014753:Vinyl Compounds; D006046:Gold