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inquiryItems Standard Result Assay 98%min ----------------------------------------------------------------------------------------------
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inquiryProduct description: Product name 3-hydroxyphthalic anhydride CAS number 37418-88-5 Assay ≥98% Appearance White to off-white powder Capacity 200mt/year Application Pharmaceut
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inquiryHenan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com
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inquiry3-HYDROXYPHTHALIC ANHYDRIDE CAS:37418-88-5 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 quality orga
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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inquiryProduct name: 3-Hydroxyphthalic Anhydride CAS No.:37418-88-5 Molecule Formula:C8H4O4 Molecule Weight:164.12 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTIN
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inquiry3-hydroxyphthalic acid
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
at 300℃; Green chemistry; | 90% |
In acetic anhydride at 80℃; for 2h; Temperature; | 80.1% |
With dicyclohexyl-carbodiimide In dimethyl sulfoxide at 150℃; for 1h; Solvent; Temperature; Reagent/catalyst; | 79.72% |
1-(2,2-dimethylpropanoyloxy-3,5)-dioxo-exo-10-oxatricyclo<5.2.1.02.6>dec-8-ene
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
With sulfuric acid for 0.0833333h; | 90% |
3-fluorophthalic acid
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Stage #1: 3-fluorophthalic acid With copper(l) iodide; potassium hydroxide In N,N-dimethyl-formamide at 100℃; for 6h; Stage #2: With dicyclohexyl-carbodiimide In N,N-dimethyl-formamide at 100℃; for 2h; Reagent/catalyst; Solvent; Temperature; | 88.2% |
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
With sulfuric acid at -15℃; for 0.0833333h; | 73% |
1,3-dioxo-3,3a,7,7a-tetrahydro-4,7-epoxy-2-benzofuran-4(1H)-yl 2,2-dimethyl-propanoate
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
With sulfuric acid at 0 - 15℃; for 0.0833333h; | 73% |
With sulfuric acid at -30℃; for 0.0833333h; | 73% |
With sulfuric acid at -15℃; for 0.25h; |
1-methoxy-7-oxa-norborn-5-ene-2,3-dicarboxylic acid-anhydride
hydrogen bromide
acetic acid
3-hydroxyphthalic anhydride
5-methoxynaphthalen-1-ol
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: KMnO4; diluted NaOH-solution 2: diluted sulfuric acid; KMnO4 / 0 °C 3: potash / beim Schmelzen 4: 150 °C View Scheme |
1,5-dihydroxynaphthalene
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: NaOH-solution 2: KMnO4; diluted NaOH-solution 3: diluted sulfuric acid; KMnO4 / 0 °C 4: potash / beim Schmelzen 5: 150 °C View Scheme |
3-methoxyphthalic acid
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potash / beim Schmelzen 2: 150 °C View Scheme | |
Multi-step reaction with 2 steps 1: boron tribromide / dichloromethane / 5 h / 10 - 15 °C 2: dicyclohexyl-carbodiimide / dimethyl sulfoxide / 1 h / 150 °C View Scheme |
(2-carboxy-3-methoxy-phenyl)-glyoxylic acid
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: diluted sulfuric acid; KMnO4 / 0 °C 2: potash / beim Schmelzen 3: 150 °C View Scheme |
3-nitrophthalic acid anhydride
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: magnesium sulfate; palladium on activated carbon; hydrogen / ethyl acetate / 18 h / 760.05 Torr 2.1: sulfuric acid / 1 h / 0 °C 2.2: 2 h / 0 - 80 °C 3.1: 135 - 140 °C / 0.04 Torr View Scheme | |
Multi-step reaction with 2 steps 1.1: hydrogen; magnesium sulfate / 50 °C / 3102.97 Torr 2.1: sulfuric acid / 1 h / 0 °C 2.2: 5 - 80 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: hydrogen; magnesium sulfate / acetone / 50 °C / 3102.97 Torr 2.1: sulfuric acid / 1 h / 0 °C 2.2: 0.5 h / 5 - 80 °C View Scheme |
3-aminophthalic anhydride
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sulfuric acid / 1 h / 0 °C 1.2: 2 h / 0 - 80 °C 2.1: 135 - 140 °C / 0.04 Torr View Scheme | |
Stage #1: 3-aminophthalic anhydride With sulfuric acid at 0℃; for 1h; Stage #2: With sodium nitrite at 5 - 80℃; | |
Stage #1: 3-aminophthalic anhydride With sulfuric acid at 0℃; for 1h; Stage #2: With sodium nitrite In water at 5 - 80℃; for 0.5h; |
3-chlorobenzene-1,2-dicarboxylic acid
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Stage #1: 3-chlorobenzene-1,2-dicarboxylic acid With copper(l) iodide; potassium hydroxide In N,N-dimethyl-formamide at 80℃; for 8h; Stage #2: With phosphoric acid In N,N-dimethyl-formamide at 100℃; for 7.5h; | 172.0 g |
3-chlorophthalic acid dimethyl ester
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Stage #1: 3-chlorophthalic acid dimethyl ester With copper(I) bromide; sodium hydroxide In dimethyl sulfoxide at 100℃; for 5h; Stage #2: With phosphorus pentoxide In dimethyl sulfoxide at 120℃; for 2h; | 188.9 g |
3-bromophthalic acid
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Stage #1: 3-bromophthalic acid With copper(I) oxide; sodium t-butanolate In tetrahydrofuran at 130℃; for 1.5h; Stage #2: With dicyclohexyl-carbodiimide In tetrahydrofuran at 130℃; for 3.5h; | 230.9 g |
3-hydroxyphthalic anhydride
3-iodophthalic acid
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Stage #1: 3-iodophthalic acid With sodium ethanolate; copper(II) bis(trifluoromethanesulfonate) In dimethyl sulfoxide at 120℃; for 3h; Stage #2: With N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dimethyl sulfoxide at 130℃; for 4.5h; Reagent/catalyst; Temperature; Solvent; | 247.9 g |
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Stage #1: 3-fluorophthalic acid diethyl ester With copper(l) iodide; potassium tert-butylate In dimethyl sulfoxide at 120℃; for 4h; Stage #2: With dicyclohexyl-carbodiimide In dimethyl sulfoxide at 130℃; for 2.5h; | 210.2 g |
3-nitrobenzene-1,2-dicarbonitrile
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium nitrite; potassium carbonate / dimethyl sulfoxide / 3 h / 160 °C 1.2: pH 3 2.1: water; potassium hydroxide / 90 h / 130 °C 3.1: 300 °C / Green chemistry View Scheme | |
Multi-step reaction with 3 steps 1: potassium carbonate; sodium nitrite / dimethyl sulfoxide / 20 - 160 °C 2: water / Cooling with ice 3: neat (no solvent) / 1 h View Scheme |
3-hydroxylphthalonitrile
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: water; potassium hydroxide / 90 h / 130 °C 2: 300 °C / Green chemistry View Scheme | |
Multi-step reaction with 2 steps 1: water / Cooling with ice 2: neat (no solvent) / 1 h View Scheme |
1-methoxy-2-ethyl-3-methylbenzene
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: cetyltrimethylammonim bromide; potassium permanganate / water / 6.5 h / 80 - 90 °C 2: boron tribromide / dichloromethane / 5 h / 10 - 15 °C 3: dicyclohexyl-carbodiimide / dimethyl sulfoxide / 1 h / 150 °C View Scheme |
5-methoxy-1,2,3,4-tetrahydro-naphthalene
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: cetyltrimethylammonim bromide; potassium permanganate / dimethyl sulfoxide / 3.17 h / 75 - 90 °C 2: boron tribromide / dichloromethane / 5 h / 10 - 15 °C 3: dicyclohexyl-carbodiimide / dimethyl sulfoxide / 1 h / 150 °C View Scheme |
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: cetyltrimethylammonim bromide; potassium permanganate / water / 8.5 h / 70 - 90 °C 2: boron tribromide / dichloromethane / 5 h / 10 - 15 °C 3: dicyclohexyl-carbodiimide / dimethyl sulfoxide / 1 h / 150 °C View Scheme |
4-methoxy-2,3-dihydro-1H-indene
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: cetyltrimethylammonim bromide; potassium permanganate / water / 7.5 h / 70 - 90 °C 2: boron tribromide / dichloromethane / 5 h / 10 - 15 °C 3: dicyclohexyl-carbodiimide / dimethyl sulfoxide / 1 h / 150 °C View Scheme |
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: cetyltrimethylammonim bromide; potassium permanganate / N,N-dimethyl-formamide / 4.5 h / 70 - 90 °C 2: boron tribromide / dichloromethane / 5 h / 10 - 15 °C 3: dicyclohexyl-carbodiimide / dimethyl sulfoxide / 1 h / 150 °C View Scheme |
2,3-dimethylanisole
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: cetyltrimethylammonim bromide; potassium permanganate / N,N-dimethyl-formamide / 4.5 h / 70 - 90 °C 2: boron tribromide / dichloromethane / 5 h / 10 - 15 °C 3: dicyclohexyl-carbodiimide / dimethyl sulfoxide / 1 h / 150 °C View Scheme |
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
With sulfuric acid at -15 - -10℃; for 0.33h; |
3-chlorophthalic anhydride
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium hydroxide; copper(l) chloride / water; N,N-dimethyl-formamide / 12 h / 105 °C 2: acetic anhydride / 2 h / 80 °C View Scheme |
3-hydroxyphthalic anhydride
chloromethyl methyl ether
3-methoxymethyloxyphthalic acid anhydride
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In 1,1-dichloroethane | 99% |
With N-ethyl-N,N-diisopropylamine In 1,1-dichloroethane | 99% |
With N-ethyl-N,N-diisopropylamine In 1,1-dichloroethane | 99% |
Conditions | Yield |
---|---|
With sulfuric acid Reflux; | 98.7% |
3-hydroxyphthalic anhydride
(3-hydroxy-1,2-phenylene)dimethanol
Conditions | Yield |
---|---|
With borane tetrahydrofuran In tetrahydrofuran for 18h; Heating / reflux; | 98% |
With lithium aluminium tetrahydride In tetrahydrofuran at -78℃; Reflux; | 86% |
3-hydroxyphthalic anhydride
[(R)-4-amino-4-(3,4-dimethoxyphenyl)butyl]carbamic acid tert-butyl ester
C25H30N2O7
Conditions | Yield |
---|---|
With triethylamine In toluene for 24h; Heating / reflux; | 98% |
3-hydroxyphthalic anhydride
[4-amino-4-(3,4-dimethoxyphenyl)butyl]carbamic acid tert-butyl ester
[4-(3,4-dimethoxyphenyl)-4-(4-hydroxy-1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)butyl]carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
With triethylamine In toluene for 24h; Reflux; | 98% |
3-hydroxyphthalic anhydride
3,4-dimethoxybenzylamine
4-hydroxy-2-(3,4-dimethoxybenzyl)-2,3-dihydro-1H-isoindole-1,3-dione
Conditions | Yield |
---|---|
With triethylamine In toluene for 24h; Reflux; | 96% |
With triethylamine In toluene for 24h; Heating / reflux; | 96% |
3-hydroxyphthalic anhydride
rac-α-aminoglutarimide hydrochloride
4-Hydroxythalidomide
Conditions | Yield |
---|---|
With potassium acetate In acetic acid for 24h; Reflux; | 96% |
With sodium acetate; acetic acid at 100℃; for 2h; | 96% |
With pyridine at 110℃; | 93% |
3-hydroxyphthalic anhydride
3-phenoxypropanamine
Conditions | Yield |
---|---|
In toluene for 16h; Heating; | 94% |
3-hydroxyphthalic anhydride
(+/-)-α-aminoglutarimide
4-Hydroxythalidomide
Conditions | Yield |
---|---|
With triethylamine In toluene at 110℃; for 12h; | 92% |
With triethylamine In toluene at 110℃; for 12h; | 92% |
With sodium acetate; acetic acid for 6h; Reflux; | 80% |
tyrosamine
3-hydroxyphthalic anhydride
4-hydroxy-2-(4-hydroxyphenethyl)isoindoline-1,3-dione
Conditions | Yield |
---|---|
With acetic acid In water at 85℃; | 90% |
With acetic acid In water Reflux; | |
With acetic acid In water at 85℃; |
3-hydroxyphthalic anhydride
4-Bromophenethylamine
Conditions | Yield |
---|---|
With acetic acid In water at 85℃; | 90% |
Conditions | Yield |
---|---|
In toluene at 80 - 135℃; | 90% |
3-hydroxyphthalic anhydride
4-Hydroxythalidomide
Conditions | Yield |
---|---|
With pyridine at 110℃; for 14h; | 88% |
With sodium acetate; acetic acid at 110℃; for 10h; | 85% |
With potassium acetate; acetic acid at 100℃; for 15h; Reagent/catalyst; Temperature; | 78.06% |
With sodium acetate; acetic acid at 120℃; for 12h; | 21% |
3-hydroxyphthalic anhydride
Conditions | Yield |
---|---|
With 2,2,2-trifluoroethanol at 150℃; for 2h; Microwave irradiation; Sealed tube; | 88% |
Stage #1: tert-butyl N-(1-methyl-2,6-dioxopiperidin-3-yl)carbamate With trifluoroacetic acid In dichloromethane at 25℃; for 1h; Stage #2: 3-hydroxyphthalic anhydride With acetic anhydride at 140℃; for 6h; | 39% |
3-hydroxyphthalic anhydride
(RS)-(2,6-dioxopiperidin-3-yl)carbamic acid tert-butyl ester
4-Hydroxythalidomide
Conditions | Yield |
---|---|
With 2,2,2-trifluoroethanol at 150℃; for 2h; Microwave irradiation; Sealed tube; | 86% |
Conditions | Yield |
---|---|
In chlorobenzene for 3h; Heating / reflux; | 85.2% |
In chlorobenzene for 3h; Heating / reflux; | 85.2% |
In chlorobenzene for 3h; Heating / reflux; | 85.2% |
3-hydroxyphthalic anhydride
diethyl malonate
Conditions | Yield |
---|---|
With triethylamine In acetic anhydride at 0 - 40℃; | 84.5% |
3-hydroxyphthalic anhydride
2-amino-2,3-dihydro-6,7-dimethoxy-1H-isoindol-1-one
2-[1,3-dihydro-6,7-dimethoxy-1-oxo-2H-isoindol-2-yl]-1H-4-hydroxyisoindole-1,3(2H)-dione
Conditions | Yield |
---|---|
With triethylamine In toluene Heating; | 83% |
3-hydroxyphthalic anhydride
4-methoxy-benzylamine
4-hydroxy-2-(4-methoxybenzyl)-1H-isoindole-1,3(2H)-dione
Conditions | Yield |
---|---|
With acetic acid at 100℃; for 4h; | 81% |
In acetic acid at 100℃; for 4h; | 81% |
With acetic acid at 100℃; for 4h; | 81% |
Conditions | Yield |
---|---|
With water; silver(l) oxide In acetonitrile at 80℃; for 12h; | 80% |
3-hydroxyphthalic anhydride
4-Hydroxythalidomide
Conditions | Yield |
---|---|
Stage #1: 3-hydroxyphthalic anhydride; (RS)-2,6-dioxopiperidin-3-yl-ammonium trifluoroacetate With triethylamine In tetrahydrofuran for 24h; Inert atmosphere; Reflux; Stage #2: With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran for 72h; Reflux; Inert atmosphere; | 76% |
Stage #1: 3-hydroxyphthalic anhydride; (RS)-2,6-dioxopiperidin-3-yl-ammonium trifluoroacetate With triethylamine In tetrahydrofuran for 4h; Reflux; Inert atmosphere; Stage #2: With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran for 72h; Reflux; | 66% |
With potassium acetate; acetic acid Reflux; | 51% |
With pyridine at 20 - 110℃; for 16h; | 50% |
3-hydroxyphthalic anhydride
2,4-Dimethoxybenzylamine
2-(2,4-dimethoxybenzyl)-4-hydroxyisoindole-1,3-dione
Conditions | Yield |
---|---|
With acetic acid at 80℃; for 24h; | 73% |
In acetic acid at 80℃; for 24h; | 73% |
With acetic acid at 80℃; for 24h; | 73% |
3-hydroxyphthalic anhydride
3-aminopiperidine-2,6-dione hydrobromide
4-Hydroxythalidomide
Conditions | Yield |
---|---|
Stage #1: 3-hydroxyphthalic anhydride; DL-3-amino-2,6-piperidinone hydrobromide In N,N-dimethyl-formamide at 60℃; for 24h; Stage #2: With dmap; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide at 63℃; for 54h; | 71% |
3-hydroxyphthalic anhydride
7-hydroxy-1 (3H)-isobenzofuranone
Conditions | Yield |
---|---|
With sodium tetrahydroborate | 70% |
With hydrogen; Λ(+)-tris(pentane-2,5-dionato)ruthenium; TOP; toluene-4-sulfonic acid In various solvent(s) at 200℃; under 22501.8 Torr; for 2h; | 60% |
Stage #1: 3-hydroxyphthalic anhydride With potassium tri-sec-butyl-borohydride In tetrahydrofuran at -78 - -30℃; Stage #2: With hydrogenchloride In water; ethyl acetate |
Conditions | Yield |
---|---|
In tetrahydrofuran at 0 - 15℃; | 70% |
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