From R&D to production
Dragon Chemical Europe GmbH

Strong Technologies

Sulfonation:

Chloro-Sulfonation:

Nitration:

Nitrosation:

Acetylation:

Reduction:

Hydrogenation (Catalyst:Ni,Pd/C,Pd/Al2O3,Rh/C):

Reduction with Metal hydrides:

Halogenation:

α-H halogenation:

Condensation:

Amination:

Hydrolysis:

Hydrolysis Carboxylation:

Saponification:

Esterfication:

Desulfonation/Desulfonamide:

Oxidization:

Alkyloxydization:

N-Alkylation:

Sulfuration:

CO Insertion:

Friedel-Crafts:

Addition Cyclization:

Ring-opening addition:

Phosgenation/Triphosgenation:

Diazo-coupling:

Others: Recrystallization, Decrease Metal Content Of Product