2,2′-[sulfonylbis(1,4-phenyleneimino)]diethylacetate

Base Information

• Chemical Name: 2,2′-[sulfonylbis(1,4-phenyleneimino)]diethylacetate
• CAS No.: 56597-99-0
• Molecular Formula: C₂₀H₂₄N₂O₆S
• Molecular Weight: 420.486
• Mol file: 56597-99-0.mol

Synonyms:

Chemical Property of 2,2′-[sulfonylbis(1,4-phenyleneimino)]diethylacetate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,2′-[sulfonylbis(1,4-phenyleneimino)]diethylacetate

There total 2 articles about 2,2′-[sulfonylbis(1,4-phenyleneimino)]diethylacetate 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:

chloroacetic acid ethyl ester (105-39-5) + dapsone (80-08-0) → 2,2′-[sulfonylbis(1,4-phenyleneimino)]diethylacetate (56597-99-0)

Guidance literature:

With sodium acetate; In ethanol; for 5h; Reflux;

Reference yield:

ethanol (64-17-5) → 2,2′-[sulfonylbis(1,4-phenyleneimino)]diethylacetate (56597-99-0)

Guidance literature:

With hydrogenchloride;

Reference yield:

2,2′-[sulfonylbis(1,4-phenyleneimino)]diethylacetate (56597-99-0) → 3,3′-(sulfonyldi-1,4-phenylene)bis{4-[(butylamino)sulfonyl]sydnone}

Guidance literature:

Multi-step reaction with 5 steps

1: sodium hydroxide / water / 0.5 h / Reflux

2: sodium nitrite / water / 0.75 h / 0 - 5 °C

3: acetic anhydride / 10 h

4: chlorosulfonic acid; phosphorus pentoxide / 1.5 h / 0 - 70 °C

5: acetone / 5 h / 20 °C

With chlorosulfonic acid; phosphorus pentoxide; acetic anhydride; sodium hydroxide; sodium nitrite; In water; acetone;

DOI:10.1002/jhet.1094

upstream raw materials:

ethanol

chloroacetic acid ethyl ester

dapsone

Downstream raw materials:

3,3'-(4,4'-sulfonyl-diphenyl)-bis-sydnone

3,3′-(sulfonyldi-1,4-phenylene)bis(4-chlorosulfonyl)sydnone