5-benzyl-1H-pyrazole

Base Information

Chemical Name:5-benzyl-1H-pyrazole
CAS No.:32251-82-4
Molecular Formula:C10H10N2
Molecular Weight:158.203
Hs Code.:
European Community (EC) Number:837-139-9
Nikkaji Number:J2.387.086J,J638.213D
Mol file:32251-82-4.mol

Synonyms:5-benzyl-1H-pyrazole;3-benzylpyrazole;32251-82-4;benzylpyrazole;5-benzylpyrazole;SCHEMBL2288762;WS-00918;EN300-3210882;InChI=1/C10H10N2/c1-2-4-9(5-3-1)8-10-6-7-11-12-10/h1-7H,8H2,(H,11,12

Suppliers and Price of 5-benzyl-1H-pyrazole

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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-benzyl-1H-pyrazole

Chemical Property:

XLogP3:2.2
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:2
Exact Mass:158.084398327
Heavy Atom Count:12
Complexity:130

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Canonical SMILES:C1=CC=C(C=C1)CC2=CC=NN2

Technology Process of 5-benzyl-1H-pyrazole

There total 11 articles about 5-benzyl-1H-pyrazole 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:

: 3-benzylidene-3H-pyrazole-1,2-dicarboxylic acid di-tert-butyl ester

: 32251-82-4
3-benzyl-1H-pyrazole

Guidance literature:: With trifluoroacetic acid; In dichloromethane; at 20 ℃; for 2h;
DOI:10.1002/anie.200602917

Reference yield:

: phenyl(1-[[2-(trimethylsilyl)ethoxy]methyl]pyrazol-3-yl)methanol

: 32251-82-4
3-benzyl-1H-pyrazole

Guidance literature:: With triethylsilane; trifluoroacetic acid; at 20 ℃;

Reference yield:

: 2579-22-8
Phenylpropargyl aldehyde

: 32251-82-4
3-benzyl-1H-pyrazole

Guidance literature:: Multi-step reaction with 5 steps

1.1: Zn; PPh₃ / CH₂Cl₂ / 0.5 h / 20 °C

1.2: 73 percent / CH₂Cl₂ / 20 °C

2.1: 70 percent / tributyltin hydride; Pd(PPh₃)4 / toluene / 1 h / 20 °C

3.1: 66 percent / CuI; NaI; N,N'-dimethylethylenediamine / butan-1-ol / 72 h / 120 °C

4.1: CuI; Cs₂CO₃; N,N'-dimethylethylenediamine / tetrahydrofuran / 9 h / 80 °C

5.1: 73 mg / CF₃CO₂H / CH₂Cl₂ / 2 h / 20 °C

With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; tri-n-butyl-tin hydride; caesium carbonate; triphenylphosphine; trifluoroacetic acid; sodium iodide; N,N`-dimethylethylenediamine; zinc; In tetrahydrofuran; dichloromethane; toluene; butan-1-ol;
DOI:10.1002/anie.200602917