10526-07-5

Usage

Uses

Used in Research and Development:
1,3-Bis(3-aminophenoxy)benzene is used as a research chemical for [application reason], such as the development of new materials, pharmaceuticals, or chemical processes. Its unique structure and properties make it a valuable compound for scientific exploration and innovation.
Used in Pharmaceutical Industry:
1,3-Bis(3-aminophenoxy)benzene is used as an intermediate or building block for the synthesis of various pharmaceutical compounds. Its presence in the molecular structure can contribute to the development of new drugs with specific therapeutic properties.
Used in Chemical Industry:
1,3-Bis(3-aminophenoxy)benzene is used as a starting material or reactant in the production of various specialty chemicals, dyes, and pigments. Its versatility in chemical reactions allows for the creation of a wide range of products with different applications.
Used in Material Science:
1,3-Bis(3-aminophenoxy)benzene can be used as a component in the development of advanced materials with specific properties, such as high strength, thermal stability, or electrical conductivity. Its incorporation into polymers or other materials can enhance their performance in various applications.

InChI:InChI=1/C18H16N2O2/c19-13-4-1-6-15(10-13)21-17-8-3-9-18(12-17)22-16-7-2-5-14(20)11-16/h1-12H,19-20H2

Synthetic route

1,3-bis(3-nitrophenoxy)benzene (54060-31-0) → 1,3-bis (3-aminophenoxy)-benzene (10526-07-5)

Conditions	Yield
With 5%-palladium/activated carbon; hydrogen In ethanol under 15001.5 Torr; for 8h;	94%

1,3-dibromobenzene (108-36-1) + m-Hydroxyaniline (591-27-5) → 1,3-bis (3-aminophenoxy)-benzene (10526-07-5)

Conditions	Yield
With potassium hydroxide; copper at 200 - 280℃;

1,3-bis (3-aminophenoxy)-benzene (10526-07-5) → deuterated 1,3-bis(3-aminophenoxy)benzene

Conditions	Yield
With water-d2; platinum on carbon; palladium 10% on activated carbon at 180℃; for 24h;	98%

1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + epichlorohydrin (106-89-8) → N,N,N,N-tetraglycidyl-1,3-bis(3-aminophenoxy)benzene

Conditions	Yield
Stage #1: 1,3-bis (3-aminophenoxy)-benzene; epichlorohydrin With lanthanum nitrate hexahydrate In 1,2-dichloro-ethane; isopropyl alcohol at 70 - 87℃; for 3h; Stage #2: With sodium hydroxide In 1,2-dichloro-ethane; isopropyl alcohol at 70 - 75℃; for 0.75h;	96%

1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4,4'-(1,1,1,3,3,3-hexafluoroisopropylidene)diphthalic anhydride (1107-00-2) → polymer; monomer(s): 4,4\-(hexafluoroisopropylidene)diphthalic anhydride; 1,3-bis(3-aminophenoxy)benzene

Conditions	Yield
In 1-methyl-pyrrolidin-2-one at 20℃; for 36h;	90%

furfural (98-01-1) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) → C28H20N2O4

Conditions	Yield
at 100℃; for 1.33333h; Sealed tube;	90%

1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + diethyl 2,2'-(sulfonylbis(4,1-phenylene)bis(oxy))diacetate (38775-52-9) → C68H52N4O16S2

Conditions	Yield
In ethanol at 80℃; Solvent;	90%

1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 3,5-diaminobenzyl alcohol dihydrochloride + 4,4'-(1,1,1,3,3,3-hexafluoroisopropylidene)diphthalic anhydride (1107-00-2) → polymer, polyimide, Mw (GPC): ca. 10800, Mw/Mn (GPC): ca. 2.2; monomer(s): 1,3-bis(3-aminophenoxy)benzene; 3,5-diaminobenzyl alcohol dihydrochloride; 4,4'-(hexafluoroisopropylidene)diphthalic anhydride

Conditions	Yield
Stage #1: 1,3-bis (3-aminophenoxy)-benzene; 3,5-diaminobenzyl alcohol dihydrochloride; 4,4'-(1,1,1,3,3,3-hexafluoroisopropylidene)diphthalic anhydride In 1-methyl-pyrrolidin-2-one at 0℃; for 6h; Stage #2: With aniline In 1-methyl-pyrrolidin-2-one at 20℃; for 30h; Stage #3: In 1-methyl-pyrrolidin-2-one; toluene at 150℃; Further stages.;	87%

para-tert-butylphenol (98-54-4) + methoxymethanol (4461-52-3) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) → C42H44N2O4

Conditions	Yield
Stage #1: methoxymethanol; 1,3-bis (3-aminophenoxy)-benzene In methanol at 20℃; Inert atmosphere; Stage #2: para-tert-butylphenol In methanol at 90℃; for 6h; Inert atmosphere;	81%

quinoline 2-carbaldehyde (5470-96-2) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) → ((1E,1'E)-N,N'-((1,3-phenylenebis(oxy))bis(3,1-phenylene))bis(1-(quinolin-2-yl)methanimine))

Conditions	Yield
In methanol for 11h;	53%

3,4'-diaminodiphenyl ether (2657-87-6) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4,4'-(1,1,1,3,3,3-hexafluoroisopropylidene)diphthalic anhydride (1107-00-2) + 4-(2-phenylethynyl)phthalic anhydride (119389-05-8) → polymer, Mn 3491 Da, Mw 6667 Da, PDI 1.91; monomer(s): 4,4\-(hexafluoroisopropylidene)diphthalic anhydride; 3,4\-diaminodiphenyl ether; 1,3-bis(3-aminophenoxy)benzene; 4-(phenylethynyl)phthalic anhydride

Conditions	Yield
Stage #1: 3,4'-diaminodiphenyl ether; 1,3-bis (3-aminophenoxy)-benzene; 4,4'-(1,1,1,3,3,3-hexafluoroisopropylidene)diphthalic anhydride In 1-methyl-pyrrolidin-2-one at 20℃; for 10.33h; Stage #2: 4-(2-phenylethynyl)phthalic anhydride In 1-methyl-pyrrolidin-2-one; toluene Heating;	6.44 g

3,4'-diaminodiphenyl ether (2657-87-6) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4,4'-(1,1,1,3,3,3-hexafluoroisopropylidene)diphthalic anhydride (1107-00-2) + 4-(2-phenylethynyl)phthalic anhydride (119389-05-8) → polymer, Mn 5367 Da, Mw 11056 Da, PDI 2.06; monomer(s): 4,4\-(hexafluoroisopropylidene)diphthalic anhydride; 3,4\-diaminodiphenyl ether; 1,3-bis(3-aminophenoxy)benzene; 4-(phenylethynyl)phthalic anhydride

Conditions	Yield
Stage #1: 3,4'-diaminodiphenyl ether; 1,3-bis (3-aminophenoxy)-benzene; 4,4'-(1,1,1,3,3,3-hexafluoroisopropylidene)diphthalic anhydride In 1-methyl-pyrrolidin-2-one at 20℃; for 10.33h; Stage #2: 4-(2-phenylethynyl)phthalic anhydride In 1-methyl-pyrrolidin-2-one; toluene Heating;	6.39 g

3,4'-diaminodiphenyl ether (2657-87-6) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4-(2-phenylethynyl)phthalic anhydride (119389-05-8) + 4,4-(2,2,2-trifluoro-1-phenylethylidene)bis(phthalic anhydride) → polymer, Mn 3215 Da, Mw 5855 Da, PDI 1.82; monomer(s): 4,4\-(2,2,2-trifluoro-1-phenylethylidene)diphthalic anhydride; 3,4\-diaminodiphenyl ether; 1,3-bis(3-aminophenoxy)benzene; 4-(phenylethynyl)phthalic anhydride

Conditions	Yield
Stage #1: 3,4'-diaminodiphenyl ether; 1,3-bis (3-aminophenoxy)-benzene; 4,4-(2,2,2-trifluoro-1-phenylethylidene)bis(phthalic anhydride) In 1-methyl-pyrrolidin-2-one at 20℃; for 10.33h; Stage #2: 4-(2-phenylethynyl)phthalic anhydride In 1-methyl-pyrrolidin-2-one; toluene Heating;	6.4 g

3,4'-diaminodiphenyl ether (2657-87-6) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4-(2-phenylethynyl)phthalic anhydride (119389-05-8) + 4,4-(2,2,2-trifluoro-1-phenylethylidene)bis(phthalic anhydride) → polymer, Mn 5301 Da, Mw 11769 Da, PDI 2.16; monomer(s): 4,4\-(2,2,2-trifluoro-1-phenylethylidene)diphthalic anhydride; 3,4\-diaminodiphenyl ether; 1,3-bis(3-aminophenoxy)benzene; 4-(phenylethynyl)phthalic anhydride

Conditions	Yield
Stage #1: 3,4'-diaminodiphenyl ether; 1,3-bis (3-aminophenoxy)-benzene; 4,4-(2,2,2-trifluoro-1-phenylethylidene)bis(phthalic anhydride) In 1-methyl-pyrrolidin-2-one at 20℃; for 10.33h; Stage #2: 4-(2-phenylethynyl)phthalic anhydride In 1-methyl-pyrrolidin-2-one; toluene Heating;	5.5 g

3,4'-diaminodiphenyl ether (2657-87-6) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4-(2-phenylethynyl)phthalic anhydride (119389-05-8) + 4,4-(2,2,2-trifluoro-1-phenylethylidene)bis(phthalic anhydride) → polymer; monomer(s): 4,4\-(2,2,2-trifluoro-1-phenylethylidene)diphthalic anhydride; 3,4\-diaminodiphenyl ether; 1,3-bis(3-aminophenoxy)benzene; 4-(phenylethynyl)phthalic anhydride

Conditions	Yield
Stage #1: 3,4'-diaminodiphenyl ether; 1,3-bis (3-aminophenoxy)-benzene; 4,4-(2,2,2-trifluoro-1-phenylethylidene)bis(phthalic anhydride) In 1-methyl-pyrrolidin-2-one at 20℃; for 10.33h; Stage #2: 4-(2-phenylethynyl)phthalic anhydride In 1-methyl-pyrrolidin-2-one; toluene Heating;	6.9 g

3,4'-diaminodiphenyl ether (2657-87-6) + 3,3',4,4'-biphenyltetracarboxylic anhydride (2420-87-3) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4-(2-phenylethynyl)phthalic anhydride (119389-05-8) → polymer, Mn 3491 Da, Mw 6796 Da, PDI 1.94; monomer(s): 3,3\,,4,4\-biphenylenetetracarboxylic dianhydride; 3,4\-diaminodiphenyl ether; 1,3-bis(3-aminophenoxy)benzene; 4-(phenylethynyl)phthalic anhydride

Conditions	Yield
Stage #1: 3,4'-diaminodiphenyl ether; 3,3',4,4'-biphenyltetracarboxylic anhydride; 1,3-bis (3-aminophenoxy)-benzene In 1-methyl-pyrrolidin-2-one at 20℃; for 6.33h; Stage #2: 4-(2-phenylethynyl)phthalic anhydride In 1-methyl-pyrrolidin-2-one; toluene at 20 - 140℃;	9.34 g

3,4'-diaminodiphenyl ether (2657-87-6) + 3,3',4,4'-biphenyltetracarboxylic anhydride (2420-87-3) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4-(2-phenylethynyl)phthalic anhydride (119389-05-8) → polymer, Mn 8383 Da, Mw 14496 Da, PDI 1.73; monomer(s): 3,3\,,4,4\-biphenylenetetracarboxylic dianhydride; 3,4\-diaminodiphenyl ether; 1,3-bis(3-aminophenoxy)benzene; 4-(phenylethynyl)phthalic anhydride

Conditions	Yield
Stage #1: 3,4'-diaminodiphenyl ether; 3,3',4,4'-biphenyltetracarboxylic anhydride; 1,3-bis (3-aminophenoxy)-benzene In 1-methyl-pyrrolidin-2-one at 20℃; for 6.33h; Stage #2: 4-(2-phenylethynyl)phthalic anhydride In 1-methyl-pyrrolidin-2-one; toluene at 20 - 140℃;	14.5 g

3,4'-diaminodiphenyl ether (2657-87-6) + 3,3',4,4'-biphenyltetracarboxylic anhydride (2420-87-3) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4-(2-phenylethynyl)phthalic anhydride (119389-05-8) → polymer; monomer(s): 3,3\,,4,4\-biphenylenetetracarboxylic dianhydride; 3,4\-diaminodiphenyl ether; 1,3-bis(3-aminophenoxy)benzene; 4-(phenylethynyl)phthalic anhydride

Conditions	Yield
Stage #1: 3,4'-diaminodiphenyl ether; 3,3',4,4'-biphenyltetracarboxylic anhydride; 1,3-bis (3-aminophenoxy)-benzene In 1-methyl-pyrrolidin-2-one at 20℃; for 6.33h; Stage #2: 4-(2-phenylethynyl)phthalic anhydride In 1-methyl-pyrrolidin-2-one; toluene at 20 - 140℃;	6.9 g

1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4-(2-phenylethynyl)phthalic anhydride (119389-05-8) + 4,4-(2,2,2-trifluoro-1-phenylethylidene)bis(phthalic anhydride) → polymer, Mn 5406 Da, Mw 11055 Da, PDI 2.11; monomer(s): 4,4\-(2,2,2-trifluoro-1-phenylethylidene)diphthalic anhydride; 1,3-bis(3-aminophenoxy)benzene; 4-(phenylethynyl)phthalic anhydride

Conditions	Yield
Stage #1: 1,3-bis (3-aminophenoxy)-benzene; 4,4-(2,2,2-trifluoro-1-phenylethylidene)bis(phthalic anhydride) In 1-methyl-pyrrolidin-2-one at 20℃; for 6.33h; Stage #2: 4-(2-phenylethynyl)phthalic anhydride In 1-methyl-pyrrolidin-2-one; toluene Heating;	6.45 g

3,4'-diaminodiphenyl ether (2657-87-6) + 3,3',4,4'-biphenyltetracarboxylic anhydride (2420-87-3) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4-(2-phenylethynyl)phthalic anhydride (119389-05-8) → polymer; monomer(s); 3,3',4,4'-biphenyltetracarboxylic dianhydride; 3,4'-oxydianiline; 1,3-bis(3-aminophenoxy)benzene; 4-phenylethynylphthalic anhydride

Conditions	Yield
Stage #1: 3,4'-diaminodiphenyl ether; 3,3',4,4'-biphenyltetracarboxylic anhydride; 1,3-bis (3-aminophenoxy)-benzene; 4-(2-phenylethynyl)phthalic anhydride In 1-methyl-pyrrolidin-2-one Stage #2: In 1-methyl-pyrrolidin-2-one; toluene Heating; Further stages.;

4-(1-naphthylethynyl)phthalic anhydride + 3,4'-diaminodiphenyl ether (2657-87-6) + 3,3',4,4'-biphenyltetracarboxylic anhydride (2420-87-3) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) → polymer; monomer(s); 3,3',4,4'-biphenyltetracarboxylic dianhydride; 3,4'-oxydianiline; 1,3-bis(3-aminophenoxy)benzene; 4-(1-naphthylethynyl)phthalic anhydride

Conditions	Yield
Stage #1: 4-(1-naphthylethynyl)phthalic anhydride; 3,4'-diaminodiphenyl ether; 3,3',4,4'-biphenyltetracarboxylic anhydride; 1,3-bis (3-aminophenoxy)-benzene In 1-methyl-pyrrolidin-2-one Stage #2: In 1-methyl-pyrrolidin-2-one; toluene Heating; Further stages.;

3,4'-diaminodiphenyl ether (2657-87-6) + 3,3',4,4'-biphenyltetracarboxylic anhydride (2420-87-3) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4-(1-phenylethynyl)-1,8-naphthalic anhydride (170804-03-2) → polymer; monomer(s); 3,3',4,4'-biphenyltetracarboxylic dianhydride; 3,4'-oxydianiline; 1,3-bis(3-aminophenoxy)benzene; 4-phenylethynyl-1,8-naphthalic anhydride

Conditions	Yield
Stage #1: 3,4'-diaminodiphenyl ether; 3,3',4,4'-biphenyltetracarboxylic anhydride; 1,3-bis (3-aminophenoxy)-benzene; 4-(1-phenylethynyl)-1,8-naphthalic anhydride In 1-methyl-pyrrolidin-2-one Stage #2: In 1-methyl-pyrrolidin-2-one; toluene Heating; Further stages.;

4-(1-naphthylethynyl)-1,8-naphthalic anhydride (446833-79-0) + 3,4'-diaminodiphenyl ether (2657-87-6) + 3,3',4,4'-biphenyltetracarboxylic anhydride (2420-87-3) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) → polymer; monomer(s); 3,3',4,4'-biphenyltetracarboxylic dianhydride; 3,4'-oxydianiline; 1,3-bis(3-aminophenoxy)benzene; 4-(1-naphthylethynyl)-1,8-naphthalic anhydride

Conditions	Yield
Stage #1: 4-(1-naphthylethynyl)-1,8-naphthalic anhydride; 3,4'-diaminodiphenyl ether; 3,3',4,4'-biphenyltetracarboxylic anhydride; 1,3-bis (3-aminophenoxy)-benzene In various solvent(s) at 20℃; for 12h; Stage #2: With isoquinoline In various solvent(s) for 8h; Heating; Further stages.;

[2,4-bis(3-aminophenoxy)phenyl]diphenylphosphine oxide (393570-77-9) + 4,4'-oxydiphthalic dianhydride (1823-59-2) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) → polymer, elong = 5.0%; monomer(s): [2,4-bis(3-aminophenoxy)phenyl]diphenylphosphine oxide; 4,4'-oxydiphthalic dianhydride; 1,3-bis(3-aminophenoxy)benzene

Conditions	Yield
Stage #1: [2,4-bis(3-aminophenoxy)phenyl]diphenylphosphine oxide; 4,4'-oxydiphthalic dianhydride; 1,3-bis (3-aminophenoxy)-benzene In 1-methyl-pyrrolidin-2-one at 23℃; Stage #2: With pyridine; acetic anhydride In 1-methyl-pyrrolidin-2-one at 23℃; Further stages.;

[2,4-bis(3-aminophenoxy)phenyl]diphenylphosphine oxide (393570-77-9) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4,4'-(1,1,1,3,3,3-hexafluoroisopropylidene)diphthalic anhydride (1107-00-2) → polymer, elong = 4.1%; monomer(s): [2,4-bis(3-aminophenoxy)phenyl]diphenylphosphine oxide; 6FDA; 1,3-bis(3-aminophenoxy)benzene

Conditions	Yield
Stage #1: [2,4-bis(3-aminophenoxy)phenyl]diphenylphosphine oxide; 1,3-bis (3-aminophenoxy)-benzene; 4,4'-(1,1,1,3,3,3-hexafluoroisopropylidene)diphthalic anhydride In 1-methyl-pyrrolidin-2-one at 23℃; Stage #2: With pyridine; acetic anhydride In 1-methyl-pyrrolidin-2-one at 23℃; Further stages.;

4,4'-oxydiphthalic dianhydride (1823-59-2) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 4-(2-phenylethynyl)phthalic anhydride (119389-05-8) → poly(4,4'-oxydiphthalic acid dianhydride-co-1,3-bis(3-aminophenoxy)benzene-co-4-phenylethynylphthalic anhydride) + 1,3-Dicyclohexylurea (2387-23-7)

Conditions	Yield
Stage #1: 4,4'-oxydiphthalic dianhydride; 1,3-bis (3-aminophenoxy)-benzene; 4-(2-phenylethynyl)phthalic anhydride In 1-methyl-pyrrolidin-2-one at 20℃; for 3h; Stage #2: With dicyclohexyl-carbodiimide In 1-methyl-pyrrolidin-2-one at 5 - 20℃; for 4h;

methoxymethanol (4461-52-3) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) + 3-methyl-phenol (108-39-4) → C36H32N2O4

Conditions	Yield
Stage #1: methoxymethanol; 1,3-bis (3-aminophenoxy)-benzene at 50℃; Inert atmosphere; Stage #2: 3-methyl-phenol at 90℃; for 6h; Inert atmosphere;	160 g

4,4'-oxydiphthalic dianhydride (1823-59-2) + 1,3-bis (3-aminophenoxy)-benzene (10526-07-5) → C52H34N4O9

Conditions	Yield
at 220℃; Inert atmosphere;

Upstream product

• 54060-31-0 1,3-bis(3-nitrophenoxy)benzene 
• 108-36-1 1,3-dibromobenzene 
• 591-27-5 m-Hydroxyaniline 

Downstream Products

• 2387-23-7 1,3-Dicyclohexylurea 

Relevant academic research and scientific papers

Method for synthesizing 1,3-bis(3-aminophenoxy)benzene

The invention discloses a method for synthesizing 1,3-bis(3-aminophenoxy)benzene, and belongs to the field of organic compound synthesis. The method comprises the following steps: carrying out water separation on m-dinitrobenzene used as a raw material in a mixed solvent, adding anhydrous potassium carbonate, dropwise adding a resorcinol solution under the protection of nitrogen to obtain an intermediate 1,3-bis(3-nitrophenoxy)benzene, and hydrogenating the intermediate to obtain the target product 1,3-bis(3-aminophenoxy)benzene. The target product 1,3-bis(3 aminophenoxy)benzene obtained in the invention has a purity of 99% or above, a white to an off-white color and a total yield of 80% or above. Compared with existing synthesis methods, the synthesis method in the invention has the advantages of easy availability of raw materials, no catalyst, low cost, high economical property, and easiness in realizing industrialized production.

METHOD FOR PREPARING A POLY(ETHER SULFONIMIDE OR -AMIDE) COPOLYMER USING CYCLIC OLIGOMERS

Disclosed is a method for preparing a poly(ethersulfonimide or ethersulfonamide) copolymer using cyclic oligomers, and more particularly, to a method for preparing a poly(ethersulfonimide or ethersulfonamide) copolymer by preparing a cyclic ether sulfone oligomer and a cyclic imide or amide oligomer and subjecting the cyclic ether sulfone oligomer and the cyclic imide or amide oligomer to ring-opening copolymerization in the presence of an alkali metal fluoride catalyst.

Functionalized Photoreactive Compounds

The present invention concerns functionalized photoreactive compounds of formula (I), that are particularly useful in materials for the alignment of liquid crystals. Due to the adjunction of an electron withdrawing group to specific molecular systems bearing an unsaturation directly attached to two unsaturated ring systems, exceptionally high photosensitivities, excellent alignment properties as well as good mechanical robustness could be achieved in materials comprising said functionalized photoreactive compounds of the invention.

Process for producing 1,3-bis (3-aminophenoxy) benzene

1,3-Bis(3-aminophenoxy)benzene effective, for example, as a raw material for highly heat-resistant polyimide is produced industrially at a high yield by a reaction between 1,3-difluorobenzene and an alkali metal salt of 3-aminophenol.

Preparation process of isoimide

A preparation process of isoimide comprising reacting a compound having one or more carboxyl group and one or more amide bond in the same molecule in the presence of a haloiminium salt and basic substance, and a preparation process of isoimide comprising reacting a compound having one or more carboxyl group with a compound having one or more amide bond in the presence of a haloiminium salt and basic substance are disclosed.

Synthesis of phthalonitrile resins containing ether and imide linkages

Imide-containing phthalonitrile monomers are prepared from a phthalonitrile and an aromatic dianhydride. The monomer and a method for preparing the monomer is disclosed. These monomers are synthesized into heat resistant polymers and copolymers with aromatic ring structure incorporating imide and ether linkages. The synthesis of the high temperature thermosetting polymers and copolymers is also disclosed.