5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Base Information

• Chemical Name: 5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
• CAS No.: 888504-28-7
• Molecular Formula: C4H3KN2O3
• Molecular Weight: 166.178
• Hs Code.: 2934999090
• Mol file: 888504-28-7.mol

Synonyms:1,3,4-Oxadiazole-2-carboxylicacid, 5-methyl-, potassium salt (9CI);

Chemical Property of 5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Chemical Property:

• Appearance/Colour: off-white solid
• Melting Point: 258.3 °C (decomp)
• PSA: 65.22000
• LogP: -0.00090
• Storage Temp.: Inert atmosphere,Store in freezer, under -20°C
• Solubility.: Water

Purity/Quality:

99.9% ^*data from raw suppliers

5-Methyl-[1,3,4]oxadiazole-2-carboxylic acid, potassium salt ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: An intermediate in the preparation of HIV-integrase inhibitors. An intermediate in the preparation of HIV-integrase inhibitors

Technology Process of 5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

There total 4 articles about 5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt 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: 100.0%

5-methyl-1,3,4-oxadiazole-2-carboxylic acid ethyl ester (37641-36-4) → 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt (888504-28-7)

Guidance literature:

With potassium trimethylsilonate; In diethyl ether; at 20 ℃;

Reference yield: 90.8%

5-methyl-1,2,3,4-tetrazole (4076-36-2) + Ethyl oxalyl chloride (4755-77-5) → 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt (888504-28-7)

Guidance literature:

5-methyl-1,2,3,4-tetrazole; Ethyl oxalyl chloride; With triethylamine; In toluene; at 0 - 65 ℃; for 3h;

With potassium hydroxide; water; In ethanol; at 10 - 20 ℃; for 1.16667h;

Reference yield:

C6H8N4O3 → 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt (888504-28-7)

Guidance literature:

C₆H₈N₄O₃; In toluene; at 50 - 70 ℃; Large scale reaction;

With potassium hydroxide; In ethanol; water; at 10 - 20 ℃;

DOI:10.1021/op100257r

upstream raw materials:

5-methyl-1,2,3,4-tetrazole

Ethyl oxalyl chloride

5-methyl-1,3,4-oxadiazole-2-carboxylic acid ethyl ester

5-methyl-[1,3,4]oxadiazol carboxylic acid potassium salt

Downstream raw materials:

raltegravir

N-(2-(4-(4-fluoro(benzyl-d6)carbamoyl)-5-hydroxy-1-(methyl-d3)-6-oxo-1,6-dihydropyrimidin-2-yl)-(1,3-d6-propan)-2-yl)-5-methyl-1,3,4-oxadiazole-2-carboxamide

5-methyl-1,3,4-oxadiazole-2-carboxylic acid chloride

Refernces

• 1、 -. "5 - Alkyl - [1, 3, 4] - oxadiazole -2 - carboxylic acid alkyl ester method". Paragraph 0103-0108. . Retrieved 2019/03/02.
• 2、 -. "3. 4 - diphenyl - 4H - 1, 2, 4 - triazole derivative and its preparation method and application (by machine translation)". Paragraph 0243; 0274; 0275; 0276. . Retrieved 2017/07/01.