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. Author manuscript; available in PMC: 2010 Oct 14.
Published in final edited form as: J Am Chem Soc. 2009 Mar 4;131(8):3042–3048. doi: 10.1021/ja8096114

Table 2.

SEM switch scope

graphic file with name nihms95102f8.jpg
Entry Aryl Group Product % Conversiona
1 graphic file with name nihms95102t26.jpg 19 85%
2 graphic file with name nihms95102t27.jpg 20 90% (84%)b
3 graphic file with name nihms95102t28.jpg 21 91% (80%)c
4 graphic file with name nihms95102t29.jpg 22 90%
(a)

Determined by 1H NMR.

(b)

Isolated yield (flash chromatography).

(c)

Isolated yield (HPLC).