toluene-4-sulfonic acid in various solvent(s) T=110°C; 9 h;

pyridine in dichloromethane T=20°C; 1 h;

toluene-4-sulfonic acid Heating;

hydrogenchloride in water 0.166667 h; Ambient temperaturestudy of the acid catalyzed hydrolysis reaction of various spiroorthocarbonates, mechanism is discussed, mechanism is discussed; Product distribution;