tert-butyl-2-(2-bromophenyl)-2-oxoacetate 4-methylphenylsulfonylhydrazone

Base Information

Chemical Name:tert-butyl-2-(2-bromophenyl)-2-oxoacetate 4-methylphenylsulfonylhydrazone
CAS No.:934548-35-3
Molecular Formula:C₁₉H₂₁BrN₂O₄S
Molecular Weight:453.357
Hs Code.:

Synonyms:tert-butyl-2-(2-bromophenyl)-2-oxoacetate 4-methylphenylsulfonylhydrazone

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Chemical Property of tert-butyl-2-(2-bromophenyl)-2-oxoacetate 4-methylphenylsulfonylhydrazone

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Technology Process of tert-butyl-2-(2-bromophenyl)-2-oxoacetate 4-methylphenylsulfonylhydrazone

There total 3 articles about tert-butyl-2-(2-bromophenyl)-2-oxoacetate 4-methylphenylsulfonylhydrazone 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: 87.0%

: 1576-35-8
toluene-4-sulfonic acid hydrazide

: 767288-73-3
tert-butyl-2-(2-bromophenyl)-2-oxoacetate

: 934548-35-3
tert-butyl-2-(2-bromophenyl)-2-oxoacetate 4-methylphenylsulfonylhydrazone

Guidance literature:: In ethanol; at 50 ℃; for 3h;
DOI:10.1016/j.tet.2007.01.010

Reference yield:

: 2142-69-0
2-bromophenyl methyl ketone

: 934548-35-3
tert-butyl-2-(2-bromophenyl)-2-oxoacetate 4-methylphenylsulfonylhydrazone

Guidance literature:: Multi-step reaction with 3 steps

1: selenium dioxide / pyridine / 3 h / 100 °C

2: 0.51 g / DMAP; DIPC / CH₂Cl₂ / 0 - 20 °C

3: 87 percent / ethanol / 3 h / 50 °C

With dmap; selenium(IV) oxide; bis-2-propyl carbonate; In pyridine; ethanol; dichloromethane;
DOI:10.1016/j.tet.2007.01.010

Reference yield:

: 26767-16-8
2-(2-bromophenyl)-2-oxoacetic acid

: 934548-35-3
tert-butyl-2-(2-bromophenyl)-2-oxoacetate 4-methylphenylsulfonylhydrazone

Guidance literature:: Multi-step reaction with 2 steps

1: 0.51 g / DMAP; DIPC / CH₂Cl₂ / 0 - 20 °C

2: 87 percent / ethanol / 3 h / 50 °C

With dmap; bis-2-propyl carbonate; In ethanol; dichloromethane;
DOI:10.1016/j.tet.2007.01.010