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ChemicalBook CAS DataBase List 3-methoxy-N1,N1-dimethylbenzene-1,4-diamine

3-methoxy-N1,N1-dimethylbenzene-1,4-diamine synthesis

3synthesis methods
-

Yield:7474-82-0 94%

Reaction Conditions:

with hydrogen;palladium 10% on activated carbon in ethyl acetate; under 2585.81 Torr; for 0.5 h;

Steps:

163 Preparation of intermediate 2-methoxy-N,N-dimethyl-benzene-1,4-diamine

A suspension of 3-methoxy-N,N-dimethyl-4-nitroaniline (Bionet) (0.5 g, 2.6 mmol) and Pd/C (Aldrich, 10%, 0.1 g) in ethyl acetate (10 mL) was vigorously shaken in a Parr under atmosphere of H2 (50 psi) for 0.5 h. The mixture was filtered through a short pad of celite. The filtrate was concentrated to give 2-methoxy-N,N-dimethyl-benzene-1,4-diamine as a dark brown oil (0.4 g, 94%).

References:

US2011/130398,2011,A1 Location in patent:Page/Page column 72