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. Author manuscript; available in PMC: 2011 Jun 18.
Published in final edited form as: Org Lett. 2010 Jun 18;12(12):2830–2833. doi: 10.1021/ol100938j

Table 3.

Investigation of Lactone Formation

graphic file with name nihms-207345-t0006.jpg
entry conditions yielda drb
1 5 mol % (PPh3)AuCl, AgOTf, CH2Cl2 <5 –
2 5 mol % [(PPh3)Au)3O]BF4, HOTf, DCE <5 –
3 Mn(OAc)3•H2O, EtOH 70 20:1
a

Isolated yield;

b

As determined by 1H NMR spectroscopy.