5-CHLORO-7-NITRO-2(3H)-BENZOXAZOLONE

Base Information

• Chemical Name: 5-CHLORO-7-NITRO-2(3H)-BENZOXAZOLONE
• CAS No.: 811810-67-0
• Molecular Formula: C7H3ClN2O4
• Molecular Weight: 214.56272
• Hs Code.: 2934999090
• Mol file: 811810-67-0.mol

Synonyms:5-CHLORO-7-NITRO-2(3H)-BENZOXAZOLONE;5-CHLORO-7-NITROBENZO[D]OXAZOL-2(3H)-ONE;5-Chloro-2,3-dihydro-7-nitro-2-oxo-1,3-benzoxazole;5-Chloro-7-nitro-1,3-benzoxazol-2(3H)-one;5-Chloro-7-nitro-2,3-dihydro-1,3-benzoxazol-2-one

Chemical Property of 5-CHLORO-7-NITRO-2(3H)-BENZOXAZOLONE

Chemical Property:

• Appearance/Colour: off-white solid
• Refractive Index: 1.646
• PSA: 91.82000
• Density: 1.704 g/cm³
• LogP: 2.20590
• Solubility.: Ethanol, Methanol

Purity/Quality:

99% ^*data from raw suppliers

5-Chloro-7-nitro-2(3H)-benzoxazolone ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: As an intermediate in the synthesis of Bifeprunox, 5-Chloro-7-nitro-2(3H)-benzoxazolone is used as an antipsychotic compound. An intermediate in the synthesis of Bifeprunox, which is used as an antipsychotic compound.

Technology Process of 5-CHLORO-7-NITRO-2(3H)-BENZOXAZOLONE

There total 2 articles about 5-CHLORO-7-NITRO-2(3H)-BENZOXAZOLONE 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: 99.0%

4-chloro-6-nitro-2-aminophenol (6358-08-3) + 1,1'-carbonyldiimidazole (530-62-1) → 5-chloro-7-nitrobenzo[d]oxazol-2(3H)-one (811810-67-0)

Guidance literature:

In ethyl acetate; at 20 - 25 ℃; for 2h;

Reference yield:

phosgene (75-44-5) + 4-chloro-6-nitro-2-aminophenol (6358-08-3) → 5-chloro-7-nitrobenzo[d]oxazol-2(3H)-one (811810-67-0)

Guidance literature:

With alkali;

Reference yield: 99.0%

5-chloro-7-nitrobenzo[d]oxazol-2(3H)-one (811810-67-0) → 7-aminobenzo[d]oxazol-2(3H)-one (81282-60-2)

Guidance literature:

With hydrogen; palladium 10% on activated carbon; In methanol; N,N-dimethyl-formamide; under 3102.97 Torr;

upstream raw materials:

phosgene

4-chloro-6-nitro-2-aminophenol

1,1'-carbonyldiimidazole

Downstream raw materials:

7-aminobenzo[d]oxazol-2(3H)-one

C₇H₅ClN₂O₂

1-(4-(trifluoromethyl)benzyl)-3-(2,3-dihydro-2-oxobenzo[d]oxazol-7-yl)urea

1-(4-(trifluoromethyl)-2-(pyrrolidin-1-yl)benzyl)-3-(2,3-dihydro-2-oxobenzo[d]oxazol-7-yl)urea

Refernces

• 1、 -. ""TRPV1 VANILLOID RECEPTOR ANTAGONISTS WITH A BICYCLIC PORTION"". Page/Page column 66; 132. . Retrieved 2011/10/13.
• 2、 -. "3H-BENZOOXAZOL-2-ONE MODULATORS OF D2 RECEPTOR AND/OR 5-HT1A RECEPTOR". Page/Page column 17. . Retrieved 2010/06/11.