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. Author manuscript; available in PMC: 2010 Nov 4.
Published in final edited form as: J Am Chem Soc. 2009 Nov 4;131(43):15909–15917. doi: 10.1021/ja906801g

Scheme 8.

Scheme 8

Preparation of Aniline Derivative 3a

aReagents and conditions: a) TMSEOH (14.8 equiv), n-Bu2SnO (1.5 equiv), 70 °C, 3 h, 61%; b) H2 (balloon), 10% Pd/C (0.05 equiv), AcOH (1.0 equiv), EtOAc/MeOH (5:1), 25 °C, 15 h, 100%.