tert-Butyl 3-Methyl-1H-pyrazole-1-carboxylate

Base Information

• Chemical Name: tert-Butyl 3-Methyl-1H-pyrazole-1-carboxylate
• CAS No.: 186551-70-2
• Molecular Formula: C₉H₁₄N₂O₂
• Molecular Weight: 182.222
• Hs Code.: 2933199090
• Mol file: 186551-70-2.mol

Synonyms:tert-Butyl 3-Methyl-1H-pyrazole-1-carboxylate;tert-Butyl 3-Methylpyrazole-1-carboxylate

Chemical Property of tert-Butyl 3-Methyl-1H-pyrazole-1-carboxylate

Chemical Property:

• PSA: 44.12000
• LogP: 1.97470
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

99%, ^*data from raw suppliers

tert-Butyl3-methylpyrazole-1-carboxylate ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
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MSDS Files:

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Technology Process of tert-Butyl 3-Methyl-1H-pyrazole-1-carboxylate

There total 2 articles about tert-Butyl 3-Methyl-1H-pyrazole-1-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: 95.0%

2-{1-carboxy-2-[2-(3,5-dichlorobenzyl)-2H-pyrazol-3-yl]-ethylamino}-4-methyl-pentanoic acid. 3-Methyl pyrazole (20 g, 243.6 mmol) was dissolved in acetonitrile + di-tert-butyl dicarbonate (24424-99-5) → tert-butyl 3-methyl-1H-pyrazole-1-carboxylate (186551-70-2)

Guidance literature:

With dmap;

Reference yield: 93.0%

3-Methylpyrazole (1453-58-3) + di-tert-butyl dicarbonate (24424-99-5) → tert-butyl 3-methyl-1H-pyrazole-1-carboxylate (186551-70-2)

Guidance literature:

With dmap; In acetonitrile; at 0 - 20 ℃; for 2h;

Reference yield: 52.0%

tert-butyl 3-methyl-1H-pyrazole-1-carboxylate (186551-70-2) → tert-butyl 3-(bromomethyl)-1H-pyrazole-1-carboxylate (186551-69-9)

Guidance literature:

With N-Bromosuccinimide; dibenzoyl peroxide; In Carbon tetrachloride; for 5.5h; Reflux;

upstream raw materials:

3-Methylpyrazole

di-tert-butyl dicarbonate

Downstream raw materials:

tert-butyl 3-(bromomethyl)-1H-pyrazole-1-carboxylate

7-methoxynaphthalene-2-sulfonic acid [1-(3-cyanobenzyl)-2-oxopyrrolidin-3-(S)-yl](N-tert-butyloxycarbonylpyrazol-3-ylmethyl)amide

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