A rapid, convenient, solventless green approach for the synthesis of oximes using grindstone chemistry

Organic and Medicinal Chemistry Letters

Table 2 Optimization of catalyst loading in preparation of 2b

Entry	Catalyst loading (mol%)	Time	Yield (%)
1	No	2 h	15
2	20	30 min	48
3	30	30 min	57
4	40	30 min	70
5	50	15 min	90
6	60	2 min	96
7	70	2 mins	96