(S)-3-(4-bromophenyl)-1-(3-methoxypyridazin-4-yl)-3-o-tolylpropan-1-one

Base Information

Chemical Name:(S)-3-(4-bromophenyl)-1-(3-methoxypyridazin-4-yl)-3-o-tolylpropan-1-one
CAS No.:1434271-72-3
Molecular Formula:C₂₁H₁₉BrN₂O₂
Molecular Weight:411.298
Hs Code.:

Synonyms:(S)-3-(4-bromophenyl)-1-(3-methoxypyridazin-4-yl)-3-o-tolylpropan-1-one

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Chemical Property of (S)-3-(4-bromophenyl)-1-(3-methoxypyridazin-4-yl)-3-o-tolylpropan-1-one

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Technology Process of (S)-3-(4-bromophenyl)-1-(3-methoxypyridazin-4-yl)-3-o-tolylpropan-1-one

There total 6 articles about (S)-3-(4-bromophenyl)-1-(3-methoxypyridazin-4-yl)-3-o-tolylpropan-1-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: 37.0%

: 19064-65-4
3-methoxypyridazine

: 1354810-20-0
(S)-3-(4-bromo-phenyl)-N-methoxy-N-methyl-3-o-tolyl-propionamide

: 1434271-72-3
(S)-3-(4-bromophenyl)-1-(3-methoxypyridazin-4-yl)-3-o-tolylpropan-1-one

Guidance literature:: With 2,2,6,6-tetramethyl-piperidine; n-butyllithium; In tetrahydrofuran; hexane; at -70 ℃; for 0.5h;

Reference yield:

: 42205-33-4
(E)-ethyl 3-(4-bromophenyl)-2-cyanoacrylate

: 1434271-72-3
(S)-3-(4-bromophenyl)-1-(3-methoxypyridazin-4-yl)-3-o-tolylpropan-1-one

Guidance literature:: Multi-step reaction with 5 steps

1: toluene; tetrahydrofuran / 2.83 h / 0 - 85 °C

2: sulfuric acid; acetic acid / 20.5 h / 27 °C / Cooling with ice; Reflux

3: 1,1'-carbonyldiimidazole / dichloromethane / 17 h / 20 °C

4: chiral HPLC (Reprosil Chiral-NR, heptane/2-propanol 80:20) / n-heptane; isopropyl alcohol / Resolution of racemate

5: 2,2,6,6-tetramethyl-piperidine; n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -70 °C

With 2,2,6,6-tetramethyl-piperidine; n-butyllithium; sulfuric acid; acetic acid; 1,1'-carbonyldiimidazole; In tetrahydrofuran; hexane; n-heptane; dichloromethane; isopropyl alcohol; toluene;

Reference yield:

: 1354808-42-6
ethyl 3-(4-bromophenyl)-2-cyano-3-o-tolylpropanoate

: 1434271-72-3
(S)-3-(4-bromophenyl)-1-(3-methoxypyridazin-4-yl)-3-o-tolylpropan-1-one

Guidance literature:: Multi-step reaction with 4 steps

1: sulfuric acid; acetic acid / 20.5 h / 27 °C / Cooling with ice; Reflux

2: 1,1'-carbonyldiimidazole / dichloromethane / 17 h / 20 °C

3: chiral HPLC (Reprosil Chiral-NR, heptane/2-propanol 80:20) / n-heptane; isopropyl alcohol / Resolution of racemate

4: 2,2,6,6-tetramethyl-piperidine; n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -70 °C

With 2,2,6,6-tetramethyl-piperidine; n-butyllithium; sulfuric acid; acetic acid; 1,1'-carbonyldiimidazole; In tetrahydrofuran; hexane; n-heptane; dichloromethane; isopropyl alcohol;