Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:1823-59-2
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inquiry1823-59-2 Product Description Product Name Bis-(3-phthalyl anhydride) ether CAS No. 1823-59-2
Cas:1823-59-2
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inquiryHigh quality 4,4'-Oxydiphthalic anhydride CAS 1823-59-2 with attractive price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediate
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inquiryName: Oxydiphthalicanhydride CAS No.: 1823-59-2 Molecular Formula: C16H6O7 Molecular Weight: 310.21464 Appearance:White Powder Storage:Store in cool and dry place, away from sun light. Packa
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Min.Order:1 Kilogram
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inquiryMinimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
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Min.Order:10 Gram
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inquiry4,4'-Oxydiphthalic anhydride CAS: 1823-59-2 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high qualit
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Min.Order:1 Gram
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inquiryProduct Name: 4,4'-Oxydiphthalic anhydride Synonyms: 4,4''-OXYBISDIPHTHALIC ANHYDRIDE;5,5'-oxybis-1,3-isobenzofurandione;3,3',4,4'-Diphenylether tetracarboxylic dianhydride;4,4'-Oxybis(1,2-benzenedicarboxylic acid)1,2
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inquiryConditions | Yield |
---|---|
In N,N-dimethyl-formamide; toluene at 110℃; for 6h; | 98.1% |
Conditions | Yield |
---|---|
In toluene; acetonitrile at 130℃; for 8h; | 97.9% |
Conditions | Yield |
---|---|
In 5,5-dimethyl-1,3-cyclohexadiene; dimethyl sulfoxide at 120℃; for 8h; | 97.8% |
Conditions | Yield |
---|---|
With 2,6-bis[(2,2,6,6-tetramethylpiperidin-1-yl)methyl]phenylboronic acid In propyl cyanide for 12h; Reflux; | 90% |
In water at 120℃; Purification / work up; | |
In 1,2-dichloro-benzene at 200℃; Product distribution / selectivity; Heating / reflux; | |
at 120 - 220℃; for 24h; | |
at 210 - 230℃; |
Conditions | Yield |
---|---|
With potassium carbonate; hexaethylguanidinium chloride In water; 1,2-dichloro-benzene for 3.5h; Heating / reflux; | 85% |
With potassium carbonate; sodium nitrite In N,N-dimethyl acetamide; toluene at 162 - 170℃; for 5h; | 85% |
Stage #1: 4-chlorophthalic anhydride With monopotassium carbonate; tetraphenylphosphonium bromide; potassium hydrogencarbonate In 2,4-dichlorotoluene for 7.5h; Heating / reflux; Nitrogen atmosphere; Stage #2: Conversion of starting material; Heating / reflux; | 82% |
triphenyl phosphite
4-chlorophthalic anhydride
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate | 71.5% |
4-chlorophthalic anhydride
tetraphenylphosphonium bromide
1,2,4-Trichlorobenzene
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate | 61% |
4-chlorophthalic anhydride
tetraphenylphosphonium bromide
1,2,4-Trichlorobenzene
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate | 56% |
4-nitrophthalic anhydride
4-(4-methyl-1-piperidinyl)pyridine
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
51% |
4-chlorophthalic anhydride
tetraphenylphosphonium bromide
1,2,4-Trichlorobenzene
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate | 24% |
4-chlorophthalic anhydride
tetraphenylphosphonium bromide
1,2,4-Trichlorobenzene
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate | 10% |
4-chlorophthalic anhydride
tetraphenylphosphonium bromide
1,2,4-Trichlorobenzene
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate | 10% |
4-chlorophthalic anhydride
tetraphenylphosphonium bromide
2,6-dichlorobenzoic acid
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate |
4-chlorophthalic anhydride
tetraphenylphosphonium bromide
p-Toluic acid
1,2,4-Trichlorobenzene
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate |
4-chlorophthalic anhydride
tetraphenylphosphonium bromide
ortho-chlorobenzoic acid
1,2,4-Trichlorobenzene
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate |
4-chlorophthalic anhydride
tetraphenylphosphonium bromide
para-chlorobenzoic acid
1,2,4-Trichlorobenzene
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate |
4-chlorophthalic anhydride
2,5-dichlorotoluene
tetraphenylphosphonium bromide
para-chlorobenzoic acid
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate |
4-chlorophthalic anhydride
2,4-dichlorotoluene
tetraphenylphosphonium bromide
para-chlorobenzoic acid
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate |
4-chlorophthalic anhydride
tetraphenylphosphonium bromide
para-chlorobenzoic acid
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate In water; benzonitrile | |
With potassium carbonate | |
With potassium carbonate | |
With potassium carbonate In water; nitrobenzene |
4-chlorophthalic anhydride
tetraphenylphosphonium bromide
1,2-dichloro-benzene
para-chlorobenzoic acid
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate |
4-chlorophthalic anhydride
tetraphenylphosphonium bromide
2,5-dichlorobenzoic acid
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium carbonate |
4-fluorophthalic anhydride
4-(4-chlorobenzoyl)oxyphthalic anhydride
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With potassium fluoride In water; N,N-dimethyl-formamide |
4-chlorophthalic anhydride
Potassium benzoate
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With 1-methyl-pyrrolidin-2-one; potassium carbonate |
4-chlorophthalic anhydride
potassium carbonate
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
N-[bis(diethylamino)methylene]-N-ethylethane ammonium chloride In 1,2-dichloro-benzene at 210℃; for 4h; Inert atmosphere; |
4-nitro-N-methyl-phthalimide
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: potassium acetate / N,N-dimethyl-formamide / 80 °C 1.2: 0.5 h / Reflux 2.1: water; sodium hydroxide / Reflux 3.1: 24 h / 120 - 220 °C View Scheme |
Conditions | Yield |
---|---|
In tert-butyl methyl ether; toluene at 140℃; for 10h; |
[(m-aminophenylamino)-4-aminophenylmethylidene]propanedinitrile
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
In 1-methyl-pyrrolidin-2-one; chlorobenzene at 20 - 190℃; | 100% |
Conditions | Yield |
---|---|
at 130 - 140℃; | 98% |
Conditions | Yield |
---|---|
With pyridine; acetic acid at 120℃; for 16h; Reflux; | 97% |
Conditions | Yield |
---|---|
With acetic acid for 6h; Reflux; | 97% |
3,3'-bis(N-aminophthalimide)
4,4'-oxydiphthalic dianhydride
4,4'-oxydiphenylene diamine
polymer, Mn/Mw = 1.1, Mn = 31630 g/mol, Mw = 35040 g/mol, inherent viscosity = 0.36 dL/g; monomer(s): 3,3\-bis(N-aminophthalimide); 4,4\-oxydianiline; 3,3\44,4\-oxy(diphthalic anhydride)
Conditions | Yield |
---|---|
With 4-chloro-phenol; benzoic acid at 100 - 190℃; | 96% |
4,4'-oxydiphthalic dianhydride
(S)-methyl 3-(4-aminophenyl)-2-((tert-butoxycarbonyl)amino)propanoate
Conditions | Yield |
---|---|
Stage #1: 4,4'-oxydiphthalic dianhydride; (S)-methyl 3-(4-aminophenyl)-2-((tert-butoxycarbonyl)amino)propanoate With N,N-dimethyl acetamide at 20℃; for 22h; Inert atmosphere; Stage #2: With acetic anhydride; triethylamine at 80℃; for 2.5h; Inert atmosphere; | 95.2% |
3,3'-bis(N-aminophthalimide)
4,4'-oxydiphthalic dianhydride
polymer, Mn/Mw = 1.1, Mn = 20710 g/mol, Mw = 23260 g/mol, inherent viscosity = 0.20 dL/g; monomer(s): 3,3\-bis(N-aminophthalimide); 3,3\44,4\-oxy(diphthalic anhydride)
Conditions | Yield |
---|---|
With 4-chloro-phenol; benzoic acid at 100 - 190℃; | 94% |
Conditions | Yield |
---|---|
With phosphoric acid In 1,2-dichloro-benzene Product distribution / selectivity; | 93% |
With water; oxalic acid; N-[bis(diethylamino)methylene]-N-ethylethane ammonium chloride In 1,2-dichloro-benzene at 100℃; for 3h; Product distribution / selectivity; | 82% |
With water; citric acid; N-[bis(diethylamino)methylene]-N-ethylethane ammonium chloride In 1,2-dichloro-benzene for 1h; Product distribution / selectivity; | 82% |
4,4'-oxydiphthalic dianhydride
methylamine
oxo-bis-4,4'-(N-methylphthalimide)
Conditions | Yield |
---|---|
In water; toluene for 1h; Reflux; | 90% |
Conditions | Yield |
---|---|
Stage #1: 4,4'-oxydiphthalic dianhydride; (Benzocyclobutenyl)methylamine In N,N-dimethyl acetamide at 20℃; for 5h; Inert atmosphere; Stage #2: With acetic anhydride; triethylamine In N,N-dimethyl acetamide at 100℃; for 4h; Inert atmosphere; | 85% |
4,4'-oxydiphthalic dianhydride
1-amino-2-propene
N,N'-diallyldiamide of 4,4'-oxydiphthalic acid
Conditions | Yield |
---|---|
With acetic acid at 20℃; for 11h; Reflux; Inert atmosphere; | 84% |
4,4'-oxydiphthalic dianhydride
ethanolamine
5,5'-bis[phthalimido-N-2-hydroxy ethyl]ether
Conditions | Yield |
---|---|
In 5,5-dimethyl-1,3-cyclohexadiene; N,N-dimethyl-formamide at 139 - 170℃; | 81% |
In N,N-dimethyl-formamide for 9h; Reflux; | 45% |
In N,N-dimethyl-formamide for 9h; Reflux; | 45% |
With N-ethyl-N,N-diisopropylamine In 1,4-dioxane Inert atmosphere; Reflux; | |
With N-ethyl-N,N-diisopropylamine In 1,4-dioxane Reflux; |
Conditions | Yield |
---|---|
With pyridine In 1-methyl-pyrrolidin-2-one; toluene at 170℃; for 5h; Cooling; Dean-Stark; | 81% |
Conditions | Yield |
---|---|
With pyridine In 1-methyl-pyrrolidin-2-one; toluene at 170℃; for 5h; Cooling; Dean-Stark; | 80% |
Conditions | Yield |
---|---|
With pyridine In 1-methyl-pyrrolidin-2-one; toluene at 170℃; for 5h; Cooling; Dean-Stark; | 78% |
Conditions | Yield |
---|---|
With acetic acid at 120℃; for 8h; | 77% |
Conditions | Yield |
---|---|
With acetic acid at 120℃; for 8h; | 75% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide | 74% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide | 73% |
Conditions | Yield |
---|---|
With lithium hydroxide at 160℃; for 72h; Sonication; | 71% |
Conditions | Yield |
---|---|
With acetic acid at 120℃; for 8h; | 70% |
4,4'-oxydiphthalic dianhydride
Conditions | Yield |
---|---|
With pyridine; acetic acid for 4h; Reflux; | 69% |
Conditions | Yield |
---|---|
With acetic acid at 120℃; for 8h; | 68% |
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