2-Methyl-4-(5-phenylpyrazol-3-yl)-3-pyridinsulfinsaeure

Base Information

• Chemical Name: 2-Methyl-4-(5-phenylpyrazol-3-yl)-3-pyridinsulfinsaeure
• CAS No.: 76906-02-0
• Molecular Formula: C₁₅H₁₃N₃O₂S
• Molecular Weight: 299.353
• Mol file: 76906-02-0.mol

Synonyms:2-Methyl-4-(5-phenylpyrazol-3-yl)-3-pyridinsulfinsaeure

Chemical Property of 2-Methyl-4-(5-phenylpyrazol-3-yl)-3-pyridinsulfinsaeure

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-Methyl-4-(5-phenylpyrazol-3-yl)-3-pyridinsulfinsaeure

There total 3 articles about 2-Methyl-4-(5-phenylpyrazol-3-yl)-3-pyridinsulfinsaeure 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: 96.0%

5-Methyl-3-phenyl-3a,8b-dihydro-3H-pyrazolo<3',4':4,5>thieno<2,3-c>pyridin-4,4-dioxid (76906-01-9) → 2-Methyl-4-(5-phenylpyrazol-3-yl)-3-pyridinsulfinsaeure (76906-02-0)

Guidance literature:

With sodium methylate; In methanol;

DOI:10.1002/hlca.19800630641

Reference yield:

7-methyl-thieno[2,3-c]pyridine (30433-74-0) → 2-Methyl-4-(5-phenylpyrazol-3-yl)-3-pyridinsulfinsaeure (76906-02-0)

Guidance literature:

Multi-step reaction with 3 steps

1: 87 percent / 30percent H₂O₂, (CF₃CO)2O / Ambient temperature

2: 71.2 percent / tetrahydrofuran; methanol; diethyl ether / -15 °C / several hours

3: 96 percent / NaOMe / methanol

With dihydrogen peroxide; sodium methylate; trifluoroacetic anhydride; In tetrahydrofuran; methanol; diethyl ether;

DOI:10.1002/hlca.19800630641

Reference yield:

7-Methyl-thieno<2,3-c>pyridin-1,1-dioxid (76905-90-3) → 2-Methyl-4-(5-phenylpyrazol-3-yl)-3-pyridinsulfinsaeure (76906-02-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 71.2 percent / tetrahydrofuran; methanol; diethyl ether / -15 °C / several hours

2: 96 percent / NaOMe / methanol

With sodium methylate; In tetrahydrofuran; methanol; diethyl ether;

DOI:10.1002/hlca.19800630641

upstream raw materials:

5-Methyl-3-phenyl-3a,8b-dihydro-3H-pyrazolo<3',4':4,5>thieno<2,3-c>pyridin-4,4-dioxid

7-methyl-thieno[2,3-c]pyridine

7-Methyl-thieno<2,3-c>pyridin-1,1-dioxid

Refernces