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. Author manuscript; available in PMC: 2010 Dec 30.
Published in final edited form as: J Am Chem Soc. 2009 Dec 30;131(51):18343–18357. doi: 10.1021/ja9053948

Table 2.

The Control of Double Bond Geometry by the Base in the Formation of Enol Carbonate

graphic file with name nihms-161072-t0038.jpg
entry base yield Z/E
1 (PhMe2Si)2NLi 56% >49/1
2 LDA, TMEDA 91% 1.6/1
3 LiTMP-LiBr-TMEDA 87% 1/3