1H-BENZIMIDAZOLE-1-BUTANOIC ACID, 2,3-DIHYDRO-2-OXO

Base Information

• Chemical Name: 1H-BENZIMIDAZOLE-1-BUTANOIC ACID, 2,3-DIHYDRO-2-OXO
• CAS No.: 3273-68-5
• Molecular Formula: C11H12N2O3
• Molecular Weight: 220.228
• Hs Code.: 2933990090
• Mol file: 3273-68-5.mol

Synonyms:1-Benzimidazolinebutyricacid, 2-oxo- (7CI,8CI);

Chemical Property of 1H-BENZIMIDAZOLE-1-BUTANOIC ACID, 2,3-DIHYDRO-2-OXO

Chemical Property:

• Appearance/Colour: White solid
• Melting Point: 175-176℃
• Refractive Index: 1.589
• Boiling Point: 422.74℃[at 101 325 Pa]
• PKA: 4.75±0.10(Predicted)
• PSA: 75.09000
• Density: 1.316 g/cm³
• LogP: 1.19440
• Storage Temp.: Refrigerator
• Solubility.: DMSO (Slightly), Ethyl Acetate (Very Slightly, Heated), Methanol (Slightly)

Purity/Quality:

98% ^*data from raw suppliers

2-Oxo-1-benzimidazolinebutyricAcid ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 2-Oxo-1-benzimidazolinebutyric Acid is a compound useful in organic synthesis. 2-Oxo-1-benzimidazolinebutyric Acid (cas# 3273-68-5) is a compound useful in organic synthesis.

Technology Process of 1H-BENZIMIDAZOLE-1-BUTANOIC ACID, 2,3-DIHYDRO-2-OXO

There total 8 articles about 1H-BENZIMIDAZOLE-1-BUTANOIC ACID, 2,3-DIHYDRO-2-OXO 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%

4-(3-isopropenyl-2-oxo-2,3-dihydro-benzoimidazol-1-yl)-butyric acid (52099-78-2) → 4-(1,2-dihydro-2-oxobenzo[d]imidazole-3-yl)butanoic acid (3273-68-5)

Guidance literature:

With hydrogenchloride; In water; at 100 ℃; for 6h;

DOI:10.1007/BF00515223

Reference yield: 95.0%

1,3-dihydro-1-(1-methylethenyl)-2H-benzimidazol-2-one (52099-72-6) + methyl 4-chlorobutyrate (3153-37-5) → 4-(1,2-dihydro-2-oxobenzo[d]imidazole-3-yl)butanoic acid (3273-68-5)

Guidance literature:

1,3-dihydro-1-(1-methylethenyl)-2H-benzimidazol-2-one; methyl 4-chlorobutyrate; With tetrabutylammomium bromide; potassium carbonate; potassium iodide; In dimethyl sulfoxide; at 110 - 115 ℃;

With water; sodium hydroxide; at 95 - 100 ℃; for 6h;

With hydrogenchloride; In water; at 80 - 85 ℃;

Reference yield: 90.0%

ethyl 2,3-dihydro-3-(1-methyl-ethenyl)-2-oxo-1H-benzimidazol-1-butanoate (116199-87-2) → 4-(1,2-dihydro-2-oxobenzo[d]imidazole-3-yl)butanoic acid (3273-68-5)

Guidance literature:

ethyl 2,3-dihydro-3-(1-methyl-ethenyl)-2-oxo-1H-benzimidazol-1-butanoate; With sodium hydroxide; In water; Heating;

With hydrogenchloride; for 23h; pH=1 - 2; Reflux; Heating;

upstream raw materials:

4-butanolide

sodium salt of N-isopropenylbenzimidazolin-2-one

4-(3-isopropenyl-2-oxo-2,3-dihydro-benzoimidazol-1-yl)-butyric acid

1,3-dihydro-1-(1-methylethenyl)-2H-benzimidazol-2-one

Downstream raw materials:

5,6-dihydroimidazo[4,5,1-jk][1]benzazepin-2,7-[1H,4H]-dione

4,5,6,7-tetrahydro-6-hydroxyimino-imidazo[4,5,1-jk]-[1]-benzazepine-2,7(1H,6H)-dione

trans-(+/-)-4,5,6,7-tetrahydro-7-hydroxy-6-[(1-methylethyl)amino]-imidazo[4,5,1-jk][1]benzazepin-2(1H)-one hydrochloride

Refernces

• 1、 -. "Method for preparing 2, 3-dihydro-2-oxo-1H-benzimidazole-1-butyric acid". Paragraph 0025; 0028. . Retrieved 2021/08/06.
• 2、 -. "BENZAZEPIN-2(1H)-ONE DERIVATIVES". Page/Page column 7; 42. . Retrieved 2008/06/13.