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. Author manuscript; available in PMC: 2008 Dec 7.
Published in final edited form as: J Org Chem. 2007 Nov 7;72(25):9439–9447. doi: 10.1021/jo0711034

Table 3.

Rh2(OAc)4-Catalzyed Cyclization of 5

graphic file with name nihms62892f25.jpg
entry R product yield (%)
a C6H5CH2 6a 90
b 4-Br(C6H4)CH2 6b 87
c 4-MeO2C(C6H4)CH2 6c 77
d 2-napthyl 6d 95
e 9-anthacenyl 6e 100
f n-C6H14 6f 72