BENZOTRIAZOLE, SODIUM SALT synthesis

Yield: 97%

Reaction Conditions:

with sodium methylate in methanol

Steps:

Catalyst 3: Sodium Benzotriazolate
0065] Catalyst 3: Sodium Benzotriazolate [0066] 29.8. g (0.25 mol) of benzotriazole were reacted with an equivalent amount of methanolic sodium methoxide solution in 200 ml of methanol by the process described for catalyst 1. The reaction mixture was worked up as described above to give 34.2 g of sodium benzotriazolate (yield: 97% of theory) in the form of a virtually colourless powder. The product was pure according to its 1H-NMR spectrum and free from starting material.

References:

Laas, Hans-Josef;Halpaap, Reinhard;Richter, Frank;Kocher, Jurgen US2004/49028, 2004, A1 Location in patent:Page 5