N-tert-butyl-N'-[2-(4-bromophenoxy)-5-cyanobenzenesulfonyl]urea

Base Information

• Chemical Name: N-tert-butyl-N'-[2-(4-bromophenoxy)-5-cyanobenzenesulfonyl]urea
• CAS No.: 1448452-25-2
• Molecular Formula: C₁₈H₁₈BrN₃O₄S
• Molecular Weight: 452.329
• Mol file: 1448452-25-2.mol

Synonyms:N-tert-butyl-N'-[2-(4-bromophenoxy)-5-cyanobenzenesulfonyl]urea

Chemical Property of N-tert-butyl-N'-[2-(4-bromophenoxy)-5-cyanobenzenesulfonyl]urea

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of N-tert-butyl-N'-[2-(4-bromophenoxy)-5-cyanobenzenesulfonyl]urea

There total 5 articles about N-tert-butyl-N'-[2-(4-bromophenoxy)-5-cyanobenzenesulfonyl]urea 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:

4-(4-bromophenoxy)-3-sulfamoylbenzonitrile (1448452-07-0) + Tert-butyl isocyanate (1609-86-5) → N-tert-butyl-N'-[2-(4-bromophenoxy)-5-cyanobenzenesulfonyl]urea (1448452-25-2)

Guidance literature:

4-(4-bromophenoxy)-3-sulfamoylbenzonitrile; With sodium hydroxide; In methanol; water; for 0.166667h;

Tert-butyl isocyanate; In N,N-dimethyl-formamide; Reflux;

DOI:10.1016/j.ejmech.2013.04.033

Reference yield:

4-fluoro-3-nitrobenzonitrile (1009-35-4) → N-tert-butyl-N'-[2-(4-bromophenoxy)-5-cyanobenzenesulfonyl]urea (1448452-25-2)

Guidance literature:

Multi-step reaction with 5 steps

1.1: tin(ll) chloride; sodium hydrogencarbonate / ethyl acetate

2.1: hydrogenchloride; sodium nitrite / water

3.1: ammonium hydroxide

4.1: sodium hydroxide / water

4.2: Reflux

5.1: sodium hydroxide / methanol; water / 0.17 h

5.2: Reflux

With hydrogenchloride; ammonium hydroxide; sodium hydrogencarbonate; tin(ll) chloride; sodium hydroxide; sodium nitrite; In methanol; water; ethyl acetate;

DOI:10.1016/j.ejmech.2013.04.033

Reference yield:

3-amino-4-fluorobenzonitrile (859855-53-1) → N-tert-butyl-N'-[2-(4-bromophenoxy)-5-cyanobenzenesulfonyl]urea (1448452-25-2)

Guidance literature:

Multi-step reaction with 4 steps

1.1: hydrogenchloride; sodium nitrite / water

2.1: ammonium hydroxide

3.1: sodium hydroxide / water

3.2: Reflux

4.1: sodium hydroxide / methanol; water / 0.17 h

4.2: Reflux

With hydrogenchloride; ammonium hydroxide; sodium hydroxide; sodium nitrite; In methanol; water;

DOI:10.1016/j.ejmech.2013.04.033

upstream raw materials:

4-(4-bromophenoxy)-3-sulfamoylbenzonitrile

Tert-butyl isocyanate

4-fluoro-3-nitrobenzonitrile

3-amino-4-fluorobenzonitrile