alcohols + ammonia = amine + water
in the presence of hydrogen and hydrogénation catalyst
better selectivity towards the desired amine
Alcoholysis diacetate ester of polytetramethylene ether + alkanol = polytetramethylene ether glycol (PTMEG) + alkanol acetate ester
alkali metal oxide or alkaline earth metal oxide; in the presence of hot methanol
PTMEG is used to make polyesters, polyurethanes etc.; complete conversion of diester.
Neutralization (protonation of organic bases)
pyridines + carboxylic acids = salt
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