Table 1

Extent of primary amine acetylation as determined by 1H NMR spectroscopy.

Sample

(-CH3/-CH2-) ratio

Number of acetyl groups added

Percent of primary amine acetylation


Ac20

0.041

27

21.1

Ac40

0.075

50

39.1

Ac60

0.115

76

59.4

Ac84

0.16

107

83.6


Waite et al. BMC Biotechnology 2009 9:38   doi:10.1186/1472-6750-9-38

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