Table 1. Experiments for Ascertaining Substrate Combination for Active Palladium Colloid Formation.

1	ald	boronic acid	CHCl3	K2CO3	CH3CN/H2O	observation
√	√	×	√	√	×	black particles
√	√	×	×	√	√	no change
√	×	√	√	√	×	no change
√	×	×	√	√	×	no change