4-acetyl-5-hydroxy-3-methyl-1-phenyl-1H-pyrazole difluoroboron chelate

Base Information

Chemical Name:4-acetyl-5-hydroxy-3-methyl-1-phenyl-1H-pyrazole difluoroboron chelate
CAS No.:482301-48-4
Molecular Formula:C₁₂H₁₁BF₂N₂O₂
Molecular Weight:264.039
Hs Code.:

Synonyms:4-acetyl-5-hydroxy-3-methyl-1-phenyl-1H-pyrazole difluoroboron chelate

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Chemical Property of 4-acetyl-5-hydroxy-3-methyl-1-phenyl-1H-pyrazole difluoroboron chelate

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Technology Process of 4-acetyl-5-hydroxy-3-methyl-1-phenyl-1H-pyrazole difluoroboron chelate

There total 2 articles about 4-acetyl-5-hydroxy-3-methyl-1-phenyl-1H-pyrazole difluoroboron chelate 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: 80.0%

: 688-74-4
boric acid tributyl ester

: 109-63-7
boron trifluoride diethyl etherate

: 37703-59-6
1-phenyl-3-methyl-4-acetylpyrazol-5-one

: 482301-48-4
4-acetyl-5-hydroxy-3-methyl-1-phenyl-1H-pyrazole difluoroboron chelate

Guidance literature:: boric acid tributyl ester; 1-phenyl-3-methyl-4-acetylpyrazol-5-one; In tetrahydrofuran; for 0.25h;

boron trifluoride diethyl etherate; In tetrahydrofuran; at 20 ℃; for 2h;
DOI:10.1016/j.mencom.2018.11.016

Reference yield:

: 89-25-8
edaravone

: 482301-48-4
4-acetyl-5-hydroxy-3-methyl-1-phenyl-1H-pyrazole difluoroboron chelate

Guidance literature:: Multi-step reaction with 2 steps

1.2: Heating

2.1: tetrahydrofuran / 0.25 h

2.2: 2 h / 20 °C

In tetrahydrofuran;
DOI:10.1016/j.mencom.2018.11.016