5-chloro-2-(4-chloro-1-oxo-2-naphthylidene)-7-methoxy-4-methyl-indolin-3-one

Base Information

• Chemical Name: 5-chloro-2-(4-chloro-1-oxo-2-naphthylidene)-7-methoxy-4-methyl-indolin-3-one
• CAS No.: 6424-71-1
• Molecular Formula: C₂₀H₁₃Cl₂NO₃
• Molecular Weight: 386.234
• Mol file: 6424-71-1.mol

Synonyms:3-Indolinone,5-chloro-2-(4-chloro-1-oxo-2(1H)-naphthylidene)-7-methoxy-4-methyl- (8CI); C.I.73800; C.I. Vat Blue 8; Indanthren Printing Blue GG; Nako Fast Blue GG

Chemical Property of 5-chloro-2-(4-chloro-1-oxo-2-naphthylidene)-7-methoxy-4-methyl-indolin-3-one

Chemical Property:

• Vapor Pressure: 7.3E-11mmHg at 25°C
• Boiling Point: 518.7°C at 760 mmHg
• Flash Point: 267.5°C
• PSA: 55.40000
• Density: 1.49g/cm³
• LogP: 5.13350

Purity/Quality:

99%, ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-chloro-2-(4-chloro-1-oxo-2-naphthylidene)-7-methoxy-4-methyl-indolin-3-one

There total 2 articles about 5-chloro-2-(4-chloro-1-oxo-2-naphthylidene)-7-methoxy-4-methyl-indolin-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:

2,3-dihydro-2,3-dioxo-7-methoxy-4-methyl-1H-indole (72985-49-0) → 5-chloro-2-(4-chloro-1-oxo-1H-[2]naphthylidene)-7-methoxy-4-methyl-indolin-3-one (6424-71-1)

Guidance literature:

With phosphorus pentachloride; chlorobenzene; at 80 - 85 ℃; und mit Sulfurylchlorid auf 65grad und Behandeln des Reaktionsprodukts mit 4-Chlor-<1>naphthol;

Reference yield:

5-chloro-7-methoxy-4-methyl-indoline-2,3-dione (89735-63-7) → 5-chloro-2-(4-chloro-1-oxo-1H-[2]naphthylidene)-7-methoxy-4-methyl-indolin-3-one (6424-71-1)

Guidance literature:

With phosphorus pentachloride; chlorobenzene; Erwaermen des Reaktionsprodukts mit 4-Chlor-<1>naphthol auf 45grad;

upstream raw materials:

2,3-dihydro-2,3-dioxo-7-methoxy-4-methyl-1H-indole

5-chloro-7-methoxy-4-methyl-indoline-2,3-dione