5-(ETHOXYCARBONYL)-6-HYDROXY-3-PYRIDINESULFONIC ACID

Base Information

• Chemical Name: 5-(ETHOXYCARBONYL)-6-HYDROXY-3-PYRIDINESULFONIC ACID
• CAS No.: 334708-06-4
• Molecular Formula: C₈H₉NO₆S
• Molecular Weight: 247.229
• Hs Code.: 2933399090
• Mol file: 334708-06-4.mol

Synonyms:Ethyl 2-hydroxy-5-sulphonicotinate;5-(ethoxycarbonyl)-6-hydroxypyridine-3-sulfonic acid;

Chemical Property of 5-(ETHOXYCARBONYL)-6-HYDROXY-3-PYRIDINESULFONIC ACID

Chemical Property:

• Melting Point: 238-240°C
• PSA: 122.17000
• LogP: 1.29140

Purity/Quality:

97% ^*data from raw suppliers

5-(Ethoxycarbonyl)-6-hydroxy-3-pyridinesulfonicacid >95% ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xi

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-(ETHOXYCARBONYL)-6-HYDROXY-3-PYRIDINESULFONIC ACID

There total 2 articles about 5-(ETHOXYCARBONYL)-6-HYDROXY-3-PYRIDINESULFONIC ACID 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: 79.0%

ethanol (64-17-5) + 2-oxo-5-sulfo-1,2-dihydropyridine-3-carboxylic acid → 5-(ethoxycarbonyl)-6-oxo-1,6-dihydropyridine-3-sulfonic acid (334708-06-4)

Guidance literature:

In toluene; for 20h; Reflux;

Reference yield:

2-hydroxy-3-carboxypyridine (609-71-2) → 5-(ethoxycarbonyl)-6-oxo-1,6-dihydropyridine-3-sulfonic acid (334708-06-4)

Guidance literature:

Multi-step reaction with 2 steps

1: sulfuric acid / 16 h / 50 - 140 °C

2: toluene / 20 h / Reflux

With sulfuric acid; In toluene;

upstream raw materials:

2-hydroxy-3-carboxypyridine

ethanol

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