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. Author manuscript; available in PMC: 2014 Jul 17.
Published in final edited form as: J Am Chem Soc. 2013 Jul 3;135(28):10.1021/ja4046422. doi: 10.1021/ja4046422

Scheme 1.

Scheme 1

Synthesis of Homochiral Complex 4a

a (a) 1. (S)–AgO2CCH(Ph)(OMe) (2, 2 equiv), THF, 23 °C, 1.5 h, 97%; 2. chromatographic separation, 45%; (b) 1. pTsOH•H2O, THF, 5 min; 2. NaNO3, THF/MeOH, 15 min, 43%.