[(5-tert-Butyl-1H-pyrazol-3-yl)methyl]methylaminedihydrochloride

Base Information

• Chemical Name: [(5-tert-Butyl-1H-pyrazol-3-yl)methyl]methylaminedihydrochloride
• CAS No.: 1231961-65-1
• Molecular Formula: C₉H₁₇N₃*2ClH
• Molecular Weight: 240.176
• Hs Code.: 2933199090
• Mol file: 1231961-65-1.mol

Synonyms:[(5-tert-Butyl-1H-pyrazol-3-yl)methyl]methylaminedihydrochloride

Chemical Property of [(5-tert-Butyl-1H-pyrazol-3-yl)methyl]methylaminedihydrochloride

Chemical Property:

• Melting Point: 141-144 °C
• PSA: 40.71000
• LogP: 3.42150

Purity/Quality:

98%min ^*data from raw suppliers

[(5-tert-Butyl-1H-pyrazol-3-yl)methyl]methylamineDihydrochloride ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of [(5-tert-Butyl-1H-pyrazol-3-yl)methyl]methylaminedihydrochloride

There total 3 articles about [(5-tert-Butyl-1H-pyrazol-3-yl)methyl]methylaminedihydrochloride 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: 77.0%

5-tert-butyl-1H-pyrazole-3-(N-methyl)carboxamide (83405-55-4) → 3-(N-methylaminomethyl)-5-tert-butyl-1H-pyrazole dihydrochloride (1231961-65-1)

Guidance literature:

5-tert-butyl-1H-pyrazole-3-(N-methyl)carboxamide; With lithium aluminium tetrahydride; In tetrahydrofuran; at 35 ℃; for 8h; Reflux;

With potassium hydroxide; In tetrahydrofuran; water; for 2h; Reflux;

With hydrogenchloride; In 1,4-dioxane; water; for 6h; Reflux;

DOI:10.1134/S1070428011080136

Reference yield:

3,3-dimethyl-butan-2-one (75-97-8) → 3-(N-methylaminomethyl)-5-tert-butyl-1H-pyrazole dihydrochloride (1231961-65-1)

Guidance literature:

Multi-step reaction with 3 steps

1.1: sodium ethanolate / ethanol / 20 h / 20 °C

1.2: 20 h / 20 °C

2.1: ethanol; water / 168 h / 20 °C

2.2: 5 h / Reflux

3.1: lithium aluminium tetrahydride / tetrahydrofuran / 8 h / 35 °C / Reflux

3.2: 2 h / Reflux

3.3: 6 h / Reflux

With lithium aluminium tetrahydride; sodium ethanolate; In tetrahydrofuran; ethanol; water;

DOI:10.1134/S1070428011080136

Reference yield:

ethyl 5-(tert-butyl)-1H-pyrazole-3-carboxylate (83405-70-3,916791-97-4,294852-57-6) → 3-(N-methylaminomethyl)-5-tert-butyl-1H-pyrazole dihydrochloride (1231961-65-1)

Guidance literature:

Multi-step reaction with 2 steps

1.1: ethanol; water / 168 h / 20 °C

1.2: 5 h / Reflux

2.1: lithium aluminium tetrahydride / tetrahydrofuran / 8 h / 35 °C / Reflux

2.2: 2 h / Reflux

2.3: 6 h / Reflux

With lithium aluminium tetrahydride; In tetrahydrofuran; ethanol; water;

DOI:10.1134/S1070428011080136

upstream raw materials:

3,3-dimethyl-butan-2-one

ethyl 5-(tert-butyl)-1H-pyrazole-3-carboxylate

5-tert-butyl-1H-pyrazole-3-(N-methyl)carboxamide

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