tert-butyl 3-(5-chloro-2-methylphenyl)-1-methyl-1H-pyrazol-4-ylcarbamate

Base Information

Chemical Name:tert-butyl 3-(5-chloro-2-methylphenyl)-1-methyl-1H-pyrazol-4-ylcarbamate
CAS No.:1224944-56-2
Molecular Formula:C₁₆H₂₀ClN₃O₂
Molecular Weight:321.807
Hs Code.:

Synonyms:tert-butyl 3-(5-chloro-2-methylphenyl)-1-methyl-1H-pyrazol-4-ylcarbamate

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Chemical Property of tert-butyl 3-(5-chloro-2-methylphenyl)-1-methyl-1H-pyrazol-4-ylcarbamate

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Technology Process of tert-butyl 3-(5-chloro-2-methylphenyl)-1-methyl-1H-pyrazol-4-ylcarbamate

There total 4 articles about tert-butyl 3-(5-chloro-2-methylphenyl)-1-methyl-1H-pyrazol-4-ylcarbamate 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:

: 1224944-53-9
ethyl 5-(5-chloro-2-methylphenyl)-1H-pyrazole-4-carboxylate

: 75-65-0
tert-butyl alcohol

: 74-88-4
methyl iodide

: 1224944-57-3
tert-butyl 5-(5-chloro-2-methylphenyl)-1-methyl-1H-pyrazol-4-ylcarbamate

: 1224944-56-2
tert-butyl 3-(5-chloro-2-methylphenyl)-1-methyl-1H-pyrazol-4-ylcarbamate

Guidance literature:: ethyl 5-(5-chloro-2-methylphenyl)-1H-pyrazole-4-carboxylate; methyl iodide; With caesium carbonate; In N,N-dimethyl-formamide; at 40 ℃; for 7h; Inert atmosphere;

With water; sodium hydroxide; In ethanol; at 50 ℃; for 16h; Inert atmosphere;

tert-butyl alcohol;

Reference yield:

: 774607-93-1
ethyl 3-(5-chloro-2-methylphenyl)-3-oxopropanoate

: 1224944-57-3
tert-butyl 5-(5-chloro-2-methylphenyl)-1-methyl-1H-pyrazol-4-ylcarbamate

: 1224944-56-2
tert-butyl 3-(5-chloro-2-methylphenyl)-1-methyl-1H-pyrazol-4-ylcarbamate

Guidance literature:: Multi-step reaction with 3 steps

1.1: 3 h / 90 °C / Inert atmosphere

2.1: hydrazine / ethanol / 2 h / 70 °C / Inert atmosphere

3.1: caesium carbonate / N,N-dimethyl-formamide / 7 h / 40 °C / Inert atmosphere

3.2: 16 h / 50 °C / Inert atmosphere

With caesium carbonate; hydrazine; In ethanol; N,N-dimethyl-formamide;

Reference yield:

: 1224944-52-8
ethyl 2-(5-chloro-2-methylbenzoyl)-3-(dimethylamino)acrylate

: 1224944-57-3
tert-butyl 5-(5-chloro-2-methylphenyl)-1-methyl-1H-pyrazol-4-ylcarbamate

: 1224944-56-2
tert-butyl 3-(5-chloro-2-methylphenyl)-1-methyl-1H-pyrazol-4-ylcarbamate

Guidance literature:: Multi-step reaction with 2 steps

1.1: hydrazine / ethanol / 2 h / 70 °C / Inert atmosphere

2.1: caesium carbonate / N,N-dimethyl-formamide / 7 h / 40 °C / Inert atmosphere

2.2: 16 h / 50 °C / Inert atmosphere

With caesium carbonate; hydrazine; In ethanol; N,N-dimethyl-formamide;