A green protocol for the onepot multicomponent Petasis
WEBOct 4, 2016 · The ball mill was a Retsch PM 100 planetary ball mill. Melting points were determined with an Electrothermal Engineering IA9100 in open capillaries and are uncorrected. ... dry ballmilling vessel was charged with 2 stainless steel grinding balls (10 mm diameter), salicylaldehyde (1 mmol), boronic acid (1 mmol), amine (1 mmol) and .