4-chloro-2-(4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

Base Information

• Chemical Name: 4-chloro-2-(4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one
• CAS No.: 6275-44-1
• Molecular Formula: C16H8 Cl2 N2 O2
• Molecular Weight: 331.158
• Mol file: 6275-44-1.mol

Synonyms:Indigotin,4,4'-dichloro- (6CI); [D2,2'-Biindoline]-3,3'-dione, 4,4'-dichloro- (7CI,8CI);4,4'-Dichloroindigo; C.I. 73025; Janson Indigo; NSC 33451

Chemical Property of 4-chloro-2-(4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

Chemical Property:

• Vapor Pressure: 9.37E-09mmHg at 25°C
• Boiling Point: 463.1°C at 760 mmHg
• Flash Point: 233.9°C
• PSA: 58.20000
• Density: 1.584g/cm³
• LogP: 4.39760

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4-chloro-2-(4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

There total 5 articles about 4-chloro-2-(4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one 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:

2-chloro-6-nitrobenzaldehyde (6361-22-4) + acetone (67-64-1) → 4,4'-diCl-indigo (6275-44-1)

Guidance literature:

With sodium hydroxide;

Reference yield:

4-chloro-1H-indole (25235-85-2) → 4,4'-diCl-indigo (6275-44-1)

Guidance literature:

With sodium phosphite; NADPH; sodium chloride; at 25 ℃; for 18h; pH=8.5; aq. buffer; Enzymatic reaction;

DOI:10.1039/c0ob00988a

Reference yield:

3-acetoxy-1-acetyl-4-chloro-indole (109014-54-2) → 4,4'-Dichloroindigo (6275-44-1)

Guidance literature:

With sodium hydroxide; air;

DOI:10.1021/ja01587a047

upstream raw materials:

2-chloro-6-nitrobenzaldehyde

acetone

4-chloro-1H-indole

acetic acid-(4-chloro-indol-3-yl ester)

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