2-(2-Hydroxyphenyl) benzotriazoles prodn - by reducing 1-oxides with hydrazine hydrate in high-boiling ether solvent2-(2-Hydroxyphenyl)benzotriazoles of formula (I) are prepd. by reacting 1-oxides (II) with 0.5-0.6 mole equiv. of N2H4.H2O in the presence of a base at >100 degrees C ...
Provied information about hydroxocobalamin monohydrochloride(Molecular Formula: C62H89ClCoN13O15P, CAS Registry Number:59461-30-2 ) ,Boiling Point,Melting Point,Flash Point,Density, Molecular Structure,Risk Codes,Synthesis Route at guidechem
2-(2-Hydroxyphenyl) benzotriazoles prodn - by reducing 1-oxides with hydrazine hydrate in high-boiling ether solvent2-(2-Hydroxyphenyl)benzotriazoles of formula (I) are prepd. by reacting 1-oxides (II) with 0.5-0.6 mole equiv. of N2H4.H2O in the presence of a base at >100 degrees C ...
2-(2-Hydroxyphenyl) benzotriazoles prodn - by reducing 1-oxides with hydrazine hydrate in high-boiling ether solvent2-(2-Hydroxyphenyl)benzotriazoles of formula (I) are prepd. by reacting 1-oxides (II) with 0.5-0.6 mole equiv. of N2H4.H2O in the presence of a base at >100 degrees C ...
In Examples (1) and (2) respectively, dry iron-free clay shards and sintered aluminium oxide are impregnated with palladium chloride and the chloride then reduced to the metal by treatment with hydrazine hydrate.