Figure 1.
(a) Generic structures of silica molecular analogues A–D, (b) the model amidation reaction to give amide 3a, and (c) a screen of potential catalysts with percentage conversions for the model amidation.
(a) Generic structures of silica molecular analogues A–D, (b) the model amidation reaction to give amide 3a, and (c) a screen of potential catalysts with percentage conversions for the model amidation.