(3R,4R)-7-Bromo-6-methoxy-4-(4-methoxy-phenyl)-3-methyl-1,3,4,5-tetrahydro-benzo[b]azepin-2-one

Base Information

Chemical Name:(3R,4R)-7-Bromo-6-methoxy-4-(4-methoxy-phenyl)-3-methyl-1,3,4,5-tetrahydro-benzo[b]azepin-2-one
CAS No.:138335-20-3
Molecular Formula:C₁₉H₂₀BrNO₃
Molecular Weight:390.277
Hs Code.:

Synonyms:(3R,4R)-7-Bromo-6-methoxy-4-(4-methoxy-phenyl)-3-methyl-1,3,4,5-tetrahydro-benzo[b]azepin-2-one

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Chemical Property of (3R,4R)-7-Bromo-6-methoxy-4-(4-methoxy-phenyl)-3-methyl-1,3,4,5-tetrahydro-benzo[b]azepin-2-one

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Technology Process of (3R,4R)-7-Bromo-6-methoxy-4-(4-methoxy-phenyl)-3-methyl-1,3,4,5-tetrahydro-benzo[b]azepin-2-one

There total 10 articles about (3R,4R)-7-Bromo-6-methoxy-4-(4-methoxy-phenyl)-3-methyl-1,3,4,5-tetrahydro-benzo[b]azepin-2-one which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 41.0%

: 138573-53-2
(3S,4R)-7-Bromo-6-methoxy-4-(4-methoxy-phenyl)-3-methyl-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepine-3-carboxylic acid methyl ester

: 138335-20-3,138573-71-4
7-Bromo-6-methoxy-4-(4-methoxy-phenyl)-3-methyl-1,3,4,5-tetrahydro-benzo[b]azepin-2-one

Guidance literature:: With pyridine; lithium iodide; for 8.5h; Heating;
DOI:10.1021/jm00082a019

Reference yield:

: 7443-25-6
dimethyl 2-(4-methoxybenzylidene)malonate

: 138335-20-3
(3R,4R)-7-Bromo-6-methoxy-4-(4-methoxy-phenyl)-3-methyl-1,3,4,5-tetrahydro-benzo[b]azepin-2-one

Guidance literature:: Multi-step reaction with 5 steps

1: NaH / dimethylformamide / Ambient temperature

2: 1.) NaH / 1.) DMF, 0 deg C, 20 min, 2.) DMF, 0 deg C, 4 h

3: H₂ / 10percent Pd/C / acetonitrile / 4 h / 2068.6 Torr

4: MeONa / methanol / 3 h / Heating

5: LiBr / dimethylformamide / 4 h / Heating

With hydrogen; sodium methylate; sodium hydride; lithium bromide; palladium on activated charcoal; In methanol; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/jm00082a020

Reference yield:

: 138334-91-5
2-[2-(3-Bromo-2-methoxy-6-nitro-phenyl)-1-(4-methoxy-phenyl)-ethyl]-malonic acid dimethyl ester

: 138335-20-3
(3R,4R)-7-Bromo-6-methoxy-4-(4-methoxy-phenyl)-3-methyl-1,3,4,5-tetrahydro-benzo[b]azepin-2-one

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) NaH / 1.) DMF, 0 deg C, 20 min, 2.) DMF, 0 deg C, 4 h

2: H₂ / 10percent Pd/C / acetonitrile / 4 h / 2068.6 Torr

3: MeONa / methanol / 3 h / Heating

4: LiBr / dimethylformamide / 4 h / Heating

With hydrogen; sodium methylate; sodium hydride; lithium bromide; palladium on activated charcoal; In methanol; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/jm00082a020