5-(5-bromo-2-methylpentanoylamino)-3-(4-methoxyphenyl)pyrazole-1-carboxylic acid tert-butyl ester

Base Information

Chemical Name:5-(5-bromo-2-methylpentanoylamino)-3-(4-methoxyphenyl)pyrazole-1-carboxylic acid tert-butyl ester
CAS No.:1040724-81-9
Molecular Formula:C₂₁H₂₈BrN₃O₄
Molecular Weight:466.375
Hs Code.:

Synonyms:5-(5-bromo-2-methylpentanoylamino)-3-(4-methoxyphenyl)pyrazole-1-carboxylic acid tert-butyl ester

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 5-(5-bromo-2-methylpentanoylamino)-3-(4-methoxyphenyl)pyrazole-1-carboxylic acid tert-butyl ester

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Technology Process of 5-(5-bromo-2-methylpentanoylamino)-3-(4-methoxyphenyl)pyrazole-1-carboxylic acid tert-butyl ester

There total 5 articles about 5-(5-bromo-2-methylpentanoylamino)-3-(4-methoxyphenyl)pyrazole-1-carboxylic acid tert-butyl 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:

: 140629-11-4
5-bromo-2-methylpentanoyl chloride

: 1040724-79-5
5-amino-3-(4-methoxyphenyl)pyrazole-1-carboxylic acid tert-butyl ester

: 1040724-81-9
5-(5-bromo-2-methylpentanoylamino)-3-(4-methoxyphenyl)pyrazole-1-carboxylic acid tert-butyl ester

Guidance literature:: With triethylamine; In dichloromethane; at 20 ℃; for 48h;

Reference yield:

: 17142-61-9,17155-22-5,101257-26-5
5-Bromo-2-methylpentanoic acid

: 1040724-79-5
5-amino-3-(4-methoxyphenyl)pyrazole-1-carboxylic acid tert-butyl ester

: 1040724-81-9
5-(5-bromo-2-methylpentanoylamino)-3-(4-methoxyphenyl)pyrazole-1-carboxylic acid tert-butyl ester

Guidance literature:: 5-Bromo-2-methylpentanoic acid; With oxalyl dichloride; In dichloromethane; for 2h; Inert atmosphere;

5-amino-3-(4-methoxyphenyl)pyrazole-1-carboxylic acid tert-butyl ester; With triethylamine; In dichloromethane; at 20 ℃; for 48h; Inert atmosphere;
DOI:10.1021/jm300247y

Reference yield:

: 1040724-80-8
dimethyl 2-(3-bromopropyl)-2-methylmalonate

: 1040724-81-9
5-(5-bromo-2-methylpentanoylamino)-3-(4-methoxyphenyl)pyrazole-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: hydrogen bromide / water / 24 h / 110 °C

2.1: oxalyl dichloride / dichloromethane / 2 h / Inert atmosphere

2.2: 48 h / 20 °C / Inert atmosphere

With oxalyl dichloride; hydrogen bromide; In dichloromethane; water;
DOI:10.1021/jm300247y