ethyl 1-[3-(tert-butoxycarbonyl)benzyl]-5-methyl-1H-pyrazole-3-carboxylate

Base Information

Chemical Name:ethyl 1-[3-(tert-butoxycarbonyl)benzyl]-5-methyl-1H-pyrazole-3-carboxylate
CAS No.:1225380-89-1
Molecular Formula:C₁₉H₂₄N₂O₄
Molecular Weight:344.411
Hs Code.:

Synonyms:ethyl 1-[3-(tert-butoxycarbonyl)benzyl]-5-methyl-1H-pyrazole-3-carboxylate

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Chemical Property of ethyl 1-[3-(tert-butoxycarbonyl)benzyl]-5-methyl-1H-pyrazole-3-carboxylate

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Technology Process of ethyl 1-[3-(tert-butoxycarbonyl)benzyl]-5-methyl-1H-pyrazole-3-carboxylate

There total 1 articles about ethyl 1-[3-(tert-butoxycarbonyl)benzyl]-5-methyl-1H-pyrazole-3-carboxylate 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: 84.0%

: 126062-63-3
1,1-dimethylethyl 3-bromomethylbenzoate

: 4027-57-0
ethyl 5-methyl-1H-pyrazole-3-carboxylate

: 1225380-89-1
ethyl 1-[3-(tert-butoxycarbonyl)benzyl]-5-methyl-1H-pyrazole-3-carboxylate

Guidance literature:: With potassium tert-butylate; In tetrahydrofuran; at 0 - 20 ℃; for 16h;

Reference yield: 85.0%

: 1225380-89-1
ethyl 1-[3-(tert-butoxycarbonyl)benzyl]-5-methyl-1H-pyrazole-3-carboxylate

: 1225380-90-4
3-{[3-(ethoxycarbonyl)-5-methyl-1H-pyrazol-1-yl]methyl}benzenecarboxylic acid

Guidance literature:: With trifluoroacetic acid; In dichloromethane; at 20 ℃; for 6h;

Reference yield:

: 1225380-89-1
ethyl 1-[3-(tert-butoxycarbonyl)benzyl]-5-methyl-1H-pyrazole-3-carboxylate

: 1227160-49-7
5-methyl-1-{3-[(4-methylpiperazin-1-yl)carbonyl]benzyl}-1H-pyrazole-3-carbonitrile

Guidance literature:: Multi-step reaction with 5 steps

1.1: trifluoroacetic acid / dichloromethane / 6 h / 20 °C

2.1: N,N-dimethyl-formamide; oxalyl dichloride / dichloromethane / Inert atmosphere

2.2: 16 h / 20 °C

3.1: sodium hydroxide / ethanol / 2 h / 70 °C

3.2: pH Ca_.4

4.1: N,N-dimethyl-formamide; oxalyl dichloride / dichloromethane / 1 h / 20 °C

4.2: 1 h / 0 - 20 °C

5.1: trifluoroacetic anhydride / methanol / 1 h / 20 °C

With oxalyl dichloride; N,N-dimethyl-formamide; trifluoroacetic acid; trifluoroacetic anhydride; sodium hydroxide; In methanol; ethanol; dichloromethane;