2-{[4-Bromo-2-(toluene-4-sulfonyloxy)-phenyl]-hydrazono}-propionic acid ethyl ester

Base Information

Chemical Name:2-{[4-Bromo-2-(toluene-4-sulfonyloxy)-phenyl]-hydrazono}-propionic acid ethyl ester
CAS No.:201684-30-2
Molecular Formula:C₁₈H₁₉BrN₂O₅S
Molecular Weight:455.329
Hs Code.:

Synonyms:2-{[4-Bromo-2-(toluene-4-sulfonyloxy)-phenyl]-hydrazono}-propionic acid ethyl ester

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Chemical Property of 2-{[4-Bromo-2-(toluene-4-sulfonyloxy)-phenyl]-hydrazono}-propionic acid ethyl ester

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Technology Process of 2-{[4-Bromo-2-(toluene-4-sulfonyloxy)-phenyl]-hydrazono}-propionic acid ethyl ester

There total 3 articles about 2-{[4-Bromo-2-(toluene-4-sulfonyloxy)-phenyl]-hydrazono}-propionic acid ethyl ester 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: 52.0%

: 98-59-9
p-toluenesulfonyl chloride

: 2-[(4-Bromo-2-hydroxy-phenyl)-hydrazono]-propionic acid ethyl ester

: 126260-52-4
2-{[4-Bromo-2-(toluene-4-sulfonyloxy)-phenyl]-hydrazono}-propionic acid ethyl ester

: 201684-30-2
2-{[4-Bromo-2-(toluene-4-sulfonyloxy)-phenyl]-hydrazono}-propionic acid ethyl ester

Guidance literature:: With pyridine; for 4h; Ambient temperature;
DOI:10.1016/S0040-4020(97)10255-1

Reference yield:

: 609-14-3
2-acetylpropanoic acid ethyl ester

: 201684-30-2
2-{[4-Bromo-2-(toluene-4-sulfonyloxy)-phenyl]-hydrazono}-propionic acid ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1) conc. HCl, NaNO₂, 2) 50percent aq. KOH / 1) CH₃CN, H₂O, 0 deg C, 2) CH₃CN, H₂O, EtOH, 0 deg C

2: 52 percent / pyridine / 4 h / Ambient temperature

With pyridine; hydrogenchloride; potassium hydroxide; sodium nitrite;
DOI:10.1016/S0040-4020(97)10255-1

Reference yield:

: 38191-34-3
2-amino-5-bromophenol

: 201684-30-2
2-{[4-Bromo-2-(toluene-4-sulfonyloxy)-phenyl]-hydrazono}-propionic acid ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1) conc. HCl, NaNO₂, 2) 50percent aq. KOH / 1) CH₃CN, H₂O, 0 deg C, 2) CH₃CN, H₂O, EtOH, 0 deg C

2: 52 percent / pyridine / 4 h / Ambient temperature

With pyridine; hydrogenchloride; potassium hydroxide; sodium nitrite;
DOI:10.1016/S0040-4020(97)10255-1