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. Author manuscript; available in PMC: 2012 Jun 3.
Published in final edited form as: Org Lett. 2011 May 12;13(11):2928–2931. doi: 10.1021/ol2009818

Table 1.

Formation of β-sulfonium salts 2b-d using in situ generated methylating promoters.

graphic file with name nihms-296826-t0007.jpg
entry AgX promoter34 time salt
1 AgBF4 MeBF4 0.5 ha 2b
2 AgPF6 MePF6 0.5 ha 2c
3 AgClO4 MeClO4 0.5 ha 2d
4 AgOTs MeOTs 16 h none
5 AgOMs MeOMs 16 h none
6 AgNO3 MeNO3 16 h none
a

–time at which significant amount of AgI formation was detected