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. Author manuscript; available in PMC: 2009 Aug 3.
Published in final edited form as: Chem Commun (Camb). 2009 Mar 9;(14):1882–1884. doi: 10.1039/b822779a

Table 1.

Methylene Transfers onto Butanediacetal-Protected Glyceraldehyde

graphic file with name nihms115156t1.jpg
entry imine yield (%)a drb
1 graphic file with name nihms115156t2.jpg 92 >95:5
2 graphic file with name nihms115156t3.jpg 88 78:22
3 graphic file with name nihms115156t4.jpg 89 79:21
4 graphic file with name nihms115156t5.jpg 94 >95:5
a

Isolated chromatographically pure material.

b

Determined by 1H NMR (crude reaction mixture).