p-toluenesulfonic acid monohydrate in methanol; dichloromethane-d2 T=-80.16 - 19.84°C; Inert atmosphere;

in methanol; dichloromethane-d2 T=-80.16 - 49.84°C; 0.00166667 h; Inert atmosphere;

toluene-4-sulfonic acid; triphenylphosphine in methanol Pd complex, (0.1 mmol) reacted with MeOH containing PPh3 (0.1 mmol) + p-toluenesulfonic acid (0.1 mmol) satd. with CO (ca. 20 min); pptd. with cold H2O; suspn. filtered; ppt. washed with cold H2O; dried (vac.);