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2449-35-6

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2449-35-6 Usage

Uses

Different sources of media describe the Uses of 2449-35-6 differently. You can refer to the following data:
1. 4,4'-Sulfonylbis-benzoic acid is used in the preparation of sulfone-containing polyesters by direct polycondensation of 4,4'-Sulfonylbis-benzoic acid.
2. 4,4''-Sulfonylbis-benzoic acid is used in the preparation of sulfone-containing polyesters by direct polycondensation of 4,4''-Sulfonylbis-benzoic acid.

Check Digit Verification of cas no

The CAS Registry Mumber 2449-35-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,4 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2449-35:
(6*2)+(5*4)+(4*4)+(3*9)+(2*3)+(1*5)=86
86 % 10 = 6
So 2449-35-6 is a valid CAS Registry Number.

2449-35-6 Well-known Company Product Price

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  • Aldrich

  • (163295)  4,4′-Sulfonyldibenzoicacid  97%

  • 2449-35-6

  • 163295-25G

  • 1,682.46CNY

  • Detail

2449-35-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-(4-carboxyphenyl)sulfonylbenzoic acid

1.2 Other means of identification

Product number -
Other names p,p'-dicarboxydiphenyl sulphone

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2449-35-6 SDS

2449-35-6Relevant articles and documents

Synthesis of heterocyclic monomers via Reissert chemistry

Gibson, Harry W.,Brumfield, Kimberly K.,Grisle, Roger A.,Hermann, Christine K. F.

experimental part, p. 3856 - 3867 (2011/11/13)

The chemistry of Reissert compounds has been used to synthesize activated difluorotetraketone monomers containing two coupled isoquinolyl moieties, linked at either the 1,1'-or 4,4'-positions. These monomers offer routes to novel families of poly(heteroarylene ether)s. New 4,4'-coupled bis(Reissert compound) 9 containing 4,4'-diketo moieties failed to afford the desired difluorotetraketo monomer upon attempted rearrangement. However, analogous bis(Reissert compound) 19 containing 4,4'-dibenzyl units did so, via aldehyde condensation, hydrolysis of the intermediate ester and oxidation of the four benzylic moieties to keto groups; thus the novel difluorotetraketone monomer 10 was prepared. Novel bis(Reissert compound)s 24, 28, and 35 were synthesized from diacid chlorides and 4-(pfluorobenzyl)isoquinoline. Rearrangement of 24 to the diketone 29, followed by oxidation of the 4-benzyl moieties resulted in difluorotetraketone monomer 30 containing a 1,1'-linked bisisoquinoline. The 1,1'-linked bis(isoquinolylfluorodiketo) monomer 38, isomeric with 10, was prepared from 4-(p-fluorobenzyl) Reissert compound 36 by condensation with terephthaldehyde, ester hydrolysis to diol 37, and oxidation. In the course of this effort, a number of new isoquinoline Reissert compounds were synthesized as model systems.

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