As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
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inquiryhigh quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
2-Nitrobenzoic acid CAS NO.: 552-16-9 Molecular formula: C7H5NO4 Structural formula: Molecular weight: 167.12 Appearance : Yellow crystal
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inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
1. made in GMP plant, commerially 2. Normal Stock: 500kgs 3. Audit accepted. Related documents are available to offer and audited by many clients, such as Lupin, MSN, Dr reddy etc 4. Chromatographic Purity (HPLC): not less than 99.0% Appearan
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Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
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inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu
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inquiryTIANFUCHEM--552-16-9--High purity 2-Nitrobenzoic acid factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable busine
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inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
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inquiryProduct name 2-Nitrobenzoic acid CAS NO. 552-16-9 Color White Appearance powder Appearance: Light yellow powder Storage:Store in coo
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inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:OFF white powder/ Refer to COA Storage:Refer to
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inquiry2-Nitrobenzoic acid CAS: 552-16-9 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 organic interm
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Appearance:Off-white fine powder Storage:Sealed in dry,Room Temperature Application:2-Nitrobenzoic Acid is used as a reagent in the synthesis of several organic compounds including that of novel triazoles and a tetrazole of escitalopram wh
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Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
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inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
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2-nitrobenzaldehyde oxime
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With poly(diselanediyl-1,2-phenylene); dihydrogen peroxide In tetrahydrofuran for 63h; Heating; | 100% |
With zinc dichromate(VI) In dichloromethane for 3.5h; Ambient temperature; | 90% |
Conditions | Yield |
---|---|
Stage #1: 2-nitro-benzaldehyde With potassium permanganate; disodium hydrogenphosphate In methanol; water at 25℃; Continuous flow conditions; Sonication; Stage #2: With hydrogenchloride; sodium thiosulfate; sodium chloride In methanol; water; ethyl acetate Stage #3: With hydrogenchloride; sodium thiosulfate; sodium chloride In methanol; water; ethyl acetate | 98% |
With C54H24F15N5Pd; oxygen In dichloromethane; acetonitrile at 20℃; Catalytic behavior; Reagent/catalyst; Solvent; Irradiation; | 98% |
With potassium bromate In acetic acid for 0.25h; Heating; | 95% |
1,3-dihydroxy-2-(2-nitrophenyl)propane
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With jones reagent In acetone for 6h; Ambient temperature; addition at 0 deg C; | 96% |
4-methyl-N'-(2-nitrobenzylidene)-benzenesulfonohydrazide
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With poly(diselanediyl-1,2-phenylene); dihydrogen peroxide In tetrahydrofuran for 8h; Heating; | 96% |
Conditions | Yield |
---|---|
With ruthenium trichloride; sodium hypochlorite; tetrabutylammomium bromide In 1,2-dichloro-ethane at 25℃; for 2h; Rate constant; pH 9; | 95% |
With ruthenium trichloride; sodium hypochlorite; tetrabutylammomium bromide In 1,2-dichloro-ethane at 25℃; for 2h; | 95% |
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; trichloroisocyanuric acid; sodium bromide at 40℃; for 12h; Temperature; | 94.2% |
Conditions | Yield |
---|---|
With tetra-N-butylammonium tribromide In acetonitrile at 20℃; for 15h; Irradiation; | 95% |
With dihydrogen peroxide; methyltrioctylammonium tetrakis(oxodiperoxotungsto)phosphate at 90℃; for 9h; | 91% |
With 2,2,6,6-tetramethyl-piperidine-N-oxyl; trichloroisocyanuric acid; sodium hydrogencarbonate; sodium bromide In water; acetone at 20℃; for 6h; | 90% |
Conditions | Yield |
---|---|
With water; hydrogen bromide; acetic acid for 24h; Reflux; | 95% |
With phosphate buffer at 30℃; for 96h; rhodococcus rhodocrous AJ270, pH 7.0; | 86% |
With potassium phosphate buffer at 30℃; for 90h; Rhodococcus sp. AJ270 cells; | 85.7% |
Conditions | Yield |
---|---|
With iron(III) sulfate; water In toluene at 110℃; for 4h; Ionic liquid; | 95% |
With sodium; diphenyldisulfane In 1-methyl-pyrrolidin-2-one at 90℃; for 0.25h; | 70% |
With potassium carbonate; thiophenol In 1-methyl-pyrrolidin-2-one at 190℃; for 0.166667h; Substitution; | 65% |
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
Stage #1: 2-ethyl-3-nitrophenol With 2-propoxyethanol at 35℃; for 0.833333h; Stage #2: With triphenylphosphine for 1.5h; Temperature; | 95% |
Conditions | Yield |
---|---|
With poly(diselanediyl-1,2-phenylene); dihydrogen peroxide In tetrahydrofuran for 86h; Heating; | 93% |
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With indium; ammonium chloride In tetrahydrofuran for 3.5h; Heating; | 93% |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; copper(l) chloride In decane; acetonitrile at 20℃; for 2h; | A 92% B 5% |
With peracetic acid; C24H29INO5 In acetic acid at 30℃; for 48h; | A 92% B 5% |
With Iron(III) nitrate nonahydrate; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium chloride; oxygen In 1,2-dichloro-ethane at 25℃; for 48h; Schlenk technique; | A 46% B 46% |
4-bromo-2-nitrobenzoic acid
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With 0.82mol% Pd/C; hydrogen; sodium hydrogencarbonate In methanol at 20℃; for 0.416667h; regioselective reaction; | 92% |
With hydrogen; sodium hydrogencarbonate; palladium on activated carbon In methanol at 20℃; for 0.416667h; Inert atmosphere; | 92% |
Conditions | Yield |
---|---|
With N-bromophthalimide; mercury(II) diacetate In chloroform at 20℃; for 2h; | 90% |
With sodium hypochlorite; lithium hypochlorite In ethanol at 77℃; for 2h; | 71% |
With copper(l) iodide; hydroxylamine hydrochloride; oxygen In dimethyl sulfoxide at 100℃; for 12h; | 68% |
Conditions | Yield |
---|---|
With phosphate buffer at 30℃; for 4h; rhodococcus rhodocrous AJ270, pH 7.0; | A 10% B 90% |
With potassium phosphate buffer at 30℃; for 4h; Rhodococcus sp. AJ270 cells; | A 10% B 89.5% |
2-(2-nitrophenyl)-1,3-dioxolane
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With aluminium trichloride; silver bromate In acetonitrile for 1.5h; Heating; | 87% |
2,4,6-trinitrophenyl ester of 2-nitrobenzenecarbothioic acid
A
ortho-nitrobenzoic acid
B
2,4,6-trinitronitrosobenzene
Conditions | Yield |
---|---|
With nitric acid 25 to 30 deg. C and then 1 h at room temp.; | A 85% B 60% |
With nitric acid at 25 - 30℃; Product distribution; | A 85% B 60% |
1-nitro-2-(2-nitrovinyl)benzene
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With Amberlyst A-26 (OH-); dihydrogen peroxide In 1,4-dioxane at 20℃; for 8h; | 82% |
Conditions | Yield |
---|---|
With Oxone In water; acetonitrile for 17h; Reflux; | 82% |
With Oxone; 2-iodo-3,4,5,6-tetramethylbenzoic acid In water; acetonitrile for 24h; | 43% |
2-nitro-N-(quinolin-8-yl)benzamide
A
8-amino quinoline
B
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With hydrogenchloride; water for 12h; Reflux; | A 80% B 78% |
Conditions | Yield |
---|---|
With palladium diacetate; caesium carbonate; 1,2-bis[di(t-butyl)phosphinomethyl]benzene In water; N,N-dimethyl-formamide at 80℃; under 2068.65 Torr; Inert atmosphere; | 78% |
With water; triethylamine; 1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate at 60℃; under 760.051 Torr; | 77% |
With sodium hydroxide; tetra-(n-butyl)ammonium iodide; bis(benzonitrile)palladium(II) dichloride; triphenylphosphine In xylene at 90℃; for 4h; Carbonylation; | 18% |
carbon monoxide
2-nitrophenyl bromide
water
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With palladium diacetate; caesium carbonate; 1,3,5,7-tetramethyl-8-phenyl-2,4,6-trioxa-8-phosphatricyclo[3.3.1.13,7]decane In N,N-dimethyl-formamide at 80℃; under 2327.23 Torr; | 77% |
Conditions | Yield |
---|---|
potassium fluoride In N,N,N,N,N,N-hexamethylphosphoric triamide at 80℃; under 38000 Torr; for 24h; further catalyst: CsF; | 76% |
1-methyl-2-nitrobenzene
A
ortho-nitrobenzoic acid
B
2-Nitrobenzyl alcohol
C
2-nitro-benzaldehyde
Conditions | Yield |
---|---|
With ozone; cobalt(II) acetate In acetic acid at 100℃; Kinetics; Product distribution; Further Variations:; Catalysts; Temperatures; | A 75.4% B n/a C n/a |
With Coprinus sp. peroxidase; tartaric acid buffer; dihydrogen peroxide In water; acetone at 20℃; pH=5; | |
Stage #1: 1-methyl-2-nitrobenzene With oxygen; cobalt(II) acetate; 2-hydroxy-4,5,6,7-tetraphenylisoindoline-1,3-dione at 110℃; under 2250.23 Torr; Stage #2: With water; oxygen at 61℃; under 1500.15 Torr; |
Conditions | Yield |
---|---|
With potassium superoxide; tetraethylammonium bromide In N,N-dimethyl-formamide at 20℃; for 2.5h; | A n/a B 73% |
o-Nitrobenzyloxytrimethylsilane
A
ortho-nitrobenzoic acid
B
2-nitro-benzaldehyde
Conditions | Yield |
---|---|
With potassium superoxide; tetraethylammonium bromide In N,N-dimethyl-formamide at 20℃; | A 14% B 72% |
(Z)-3-Dimethylamino-2-(2-nitro-phenyl)-propenal
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With sodium periodate In tetrahydrofuran; water for 18h; | 71% |
benzoic acid
A
ortho-nitrobenzoic acid
B
3-nitrobenzoic acid
C
4-nitro-benzoic acid
Conditions | Yield |
---|---|
With Iron(III) nitrate nonahydrate; phosphorus pentoxide In neat (no solvent) at 20℃; for 6h; Milling; Green chemistry; Overall yield = 95 percent; | A 19% B 70% C 6% |
With trinitratooxovanadium(V) In dichloromethane for 120h; Ambient temperature; | A 15% B 37% C 2% |
With oxygen; Nitrogen dioxide; ozone In 1,2-dichloro-ethane at 0℃; for 1.5h; Product distribution; further oxidants and solvents; |
tert-butyl 2-nitrobenzoate
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 20℃; for 16h; | 70% |
Conditions | Yield |
---|---|
With thionyl chloride at 80 - 100℃; for 2h; | 100% |
With thionyl chloride In toluene for 3h; Heating; | 100% |
With thionyl chloride for 6h; Reflux; | 100% |
Conditions | Yield |
---|---|
With bromine; dibromoisocyanuric acid In dichloromethane at 20℃; for 24h; Reagent/catalyst; Concentration; UV-irradiation; | 100% |
With Bromotrichloromethane; trichloroisocyanuric acid; bromine In tetrachloromethane at 10 - 120℃; for 18h; Temperature; Reagent/catalyst; Concentration; Photolysis; | 97% |
With [bis(acetoxy)iodo]benzene; bromine In various solvent(s) for 22h; bromodecarboxylation; Heating; irradiation; | 51% |
ortho-nitrobenzoic acid
(3,5-dibromo-2-(methoxymethoxy)phenyl)methanamine
N-(3,5-dibromo-2-(methoxymethoxy)benzyl)-2-nitrobenzamide
Conditions | Yield |
---|---|
Stage #1: ortho-nitrobenzoic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃; for 0.5h; Stage #2: (3,5-dibromo-2-(methoxymethoxy)phenyl)methanamine In N,N-dimethyl-formamide at 20℃; for 19h; | 100% |
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With caesium carbonate In methanol at 20℃; for 2h; Inert atmosphere; | 100% |
With caesium carbonate In methanol at 20℃; for 1h; |
Conditions | Yield |
---|---|
With thionyl chloride In dichloromethane at 20℃; for 8.5h; | 100% |
Stage #1: ortho-nitrobenzoic acid With trichloroisocyanuric acid; triphenylphosphine In dichloromethane at 20℃; for 0.5h; Stage #2: 1,2,3-Benzotriazole In dichloromethane at 20℃; | 64% |
With thionyl chloride In dichloromethane at 20℃; |
Conditions | Yield |
---|---|
With hydrazine In ethanol at 80℃; for 0.166667h; Catalytic behavior; chemoselective reaction; | 99.9% |
With palladium 10% on activated carbon; ammonium formate; silica gel In methanol for 1.5h; Milling; | 98% |
With hydrogen In ethanol at 20℃; under 760.051 Torr; for 4h; | 98% |
Conditions | Yield |
---|---|
With copper(I) oxide; 1,10-Phenanthroline In 1-methyl-pyrrolidin-2-one at 100℃; for 24h; Time; Inert atmosphere; | 99% |
With silver(I) acetate; potassium carbonate In 1-methyl-pyrrolidin-2-one at 120℃; for 16h; Inert atmosphere; | 92% |
With silver carbonate In dimethyl sulfoxide at 120℃; for 16h; | 91% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In acetone at 55 - 60℃; for 10h; | 99% |
With potassium hydroxide; tetrabutylammomium bromide 1.) 60 deg C, 0.1 Torr, 6 h, 2.) room temp., 6 h; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
Stage #1: ortho-nitrobenzoic acid With potassium carbonate In various solvent(s) at 120℃; for 0.5h; Stage #2: bromochlorobenzene With 1,10-Phenanthroline; copper(l) iodide In various solvent(s) at 160℃; for 24h; Further stages.; | 99% |
With 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; N,N-dimethyl-aniline; silver carbonate; palladium dichloride at 150℃; for 2h; | 35% |
Stage #1: ortho-nitrobenzoic acid; copper(II) carbonate In 1-methyl-pyrrolidin-2-one Stage #2: bromochlorobenzene; bis(acetylacetonato)palladium(II); triphenylphosphine In 1-methyl-pyrrolidin-2-one at 120℃; for 24h; Product distribution / selectivity; | 9 %Chromat. |
9-bromophenanthrene
ortho-nitrobenzoic acid
1-(9-phenanthryl)-2-nitrobenzene
Conditions | Yield |
---|---|
Stage #1: ortho-nitrobenzoic acid With potassium carbonate In various solvent(s) at 120℃; for 0.5h; Stage #2: 9-bromophenanthrene With 1,10-Phenanthroline; copper(l) iodide In various solvent(s) at 160℃; for 24h; Further stages.; | 99% |
With potassium fluoride; copper(II) carbonate; bis(acetylacetonato)palladium(II); isopropyldiphenylphosphine In 1-methyl-pyrrolidin-2-one at 120℃; for 24h; Product distribution / selectivity; Molecular sieve; | 86 %Chromat. |
copper(l) iodide; Phenanthroline; bis(acetylacetonato)palladium(II) In 1-methyl-pyrrolidin-2-one at 160℃; for 24h; Product distribution / selectivity; Molecular sieve; | 99 %Chromat. |
Conditions | Yield |
---|---|
Stage #1: ortho-nitrobenzoic acid With potassium carbonate In various solvent(s) at 120℃; for 0.5h; Stage #2: (4-bromophenyl)(phenyl)methanone With 1,10-Phenanthroline; copper(l) iodide In various solvent(s) at 160℃; for 24h; Further stages.; | 99% |
With potassium fluoride; copper(II) carbonate; bis(acetylacetonato)palladium(II); isopropyldiphenylphosphine In 1-methyl-pyrrolidin-2-one at 120℃; for 24h; Product distribution / selectivity; Molecular sieve; | 94 %Chromat. |
Conditions | Yield |
---|---|
With [{Au(IPr)}2(μ-OH)][BF4] In neat (no solvent) at 80℃; for 10h; regioselective reaction; | 99% |
3-butene-1-amine
tert-butylisonitrile
ortho-nitrobenzoic acid
benzaldehyde
Conditions | Yield |
---|---|
With indium(III) chloride In methanol at 20℃; for 18h; Ugi Condensation; | 99% |
ortho-nitrobenzoic acid
<2H9>trimethylsulphoxonium iodide
methyl-d3 2-nitrobenzoate
Conditions | Yield |
---|---|
With potassium carbonate at 20℃; for 3h; Sealed tube; | 99% |
tert-butylisonitrile
ortho-nitrobenzoic acid
4-chlorobenzaldehyde
2,2-dimethoxyethylamine
Conditions | Yield |
---|---|
In methanol at 20℃; for 24h; | 99% |
(4-bromophenyl)thioanisole
ortho-nitrobenzoic acid
methyl-(2'-nitro-[1,1'-biphenyl]-4-yl)sulfane
Conditions | Yield |
---|---|
Stage #1: ortho-nitrobenzoic acid With potassium carbonate In various solvent(s) at 120℃; for 0.5h; Stage #2: (4-bromophenyl)thioanisole With 1,10-Phenanthroline; copper(l) iodide In various solvent(s) at 160℃; for 24h; Further stages.; | 98% |
With potassium fluoride; copper(II) carbonate; bis(acetylacetonato)palladium(II); isopropyldiphenylphosphine In 1-methyl-pyrrolidin-2-one at 120℃; for 24h; Product distribution / selectivity; Molecular sieve; | 82 %Chromat. |
copper(l) iodide; Phenanthroline; bis(acetylacetonato)palladium(II) In 1-methyl-pyrrolidin-2-one at 160℃; for 24h; Product distribution / selectivity; Molecular sieve; | 98 %Chromat. |
Conditions | Yield |
---|---|
Stage #1: ortho-nitrobenzoic acid With potassium carbonate In various solvent(s) at 120℃; for 0.5h; Stage #2: 3-Bromopyridine With 1,10-Phenanthroline; copper(l) iodide In various solvent(s) at 160℃; for 24h; Further stages.; | 98% |
copper(l) iodide; Phenanthroline; bis(acetylacetonato)palladium(II) In 1-methyl-pyrrolidin-2-one at 160℃; for 24h; Product distribution / selectivity; Molecular sieve; | 98 %Chromat. |
Conditions | Yield |
---|---|
With C6H6 In dichloromethane; benzene byproducts: H2O; addn. of Sn-acid to a stirred soln. of CH2Cl2 and benzene, addn. of benzoic acid, reflux for 18 h, removal of H2O azeotropically, cream-white cloidy suspn., standing for 24 h; filtration of white powder, washing with benzene, standing gives larger crystals, drying; elem. anal.; | 98% |
ortho-nitrobenzoic acid
potassium o-nitrobenzoate
Conditions | Yield |
---|---|
With potassium tert-butylate In ethanol at 20℃; Inert atmosphere; | 98% |
With potassium tert-butylate In ethanol at 20℃; for 3h; Inert atmosphere; | 98% |
With potassium tert-butylate In ethanol at 20℃; for 3h; | 98% |
ortho-nitrobenzoic acid
4-methoxy-aniline
2-nitro-N-(4-methoxyphenyl)benzamide
Conditions | Yield |
---|---|
Stage #1: ortho-nitrobenzoic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 4h; Stage #2: 4-methoxy-aniline With triethylamine In dichloromethane at 20℃; for 18h; | 98% |
With dmap; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane; N,N-dimethyl-formamide at 60℃; for 4h; | 74% |
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide at 130℃; for 5h; | 98% |
With potassium carbonate In dimethyl sulfoxide at 60℃; for 3h; | 94% |
ortho-nitrobenzoic acid
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In diethyl ether; water at 20℃; for 24h; | 98% |
Conditions | Yield |
---|---|
With 1-n-butyl-3-methylimidazolium azide; sulfuric acid; acetic acid at 54℃; for 4h; Schmidt Reaction; | 97% |
With sodium azide; chloroform; sulfuric acid | |
With thionyl chloride; hydroxylamine-O-sulfonic acid 1) 1h, reflux, 2) toluene, 2h, reflux; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With manganese(IV) oxide In dichloromethane at 20℃; for 18h; | 97% |
With (CH3)2NCH2NpSiH2Ph at 110 - 140℃; | 50% |
With carboxylic acid reductase Kinetics; Green chemistry; Enzymatic reaction; | |
Multi-step reaction with 3 steps 1: thionyl chloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 2: sodium tetrahydroborate / tetrahydrofuran; N,N-dimethyl-formamide / 0 - 20 °C 3: pyridinium chlorochromate / dichloromethane / 20 °C View Scheme |
Conditions | Yield |
---|---|
Stage #1: ortho-nitrobenzoic acid With 4-methyl-morpholine; 1,3,5-trichloro-2,4,6-triazine In 1,2-dimethoxyethane at 20℃; for 3h; Esterification; Stage #2: With sodium tetrahydroborate In water at 0℃; Reduction; | 97% |
Stage #1: ortho-nitrobenzoic acid With sodium aminodiboranate In tetrahydrofuran at 20℃; Stage #2: With water | 92% |
With pyridine; methanol; sodium tetrahydroborate; trifluoro-[1,3,5]triazine 1.) CH2Cl2, -20 to -010 deg C, 1 h, 2.) room temperature, 10-15 min; Yield given. Multistep reaction; | |
With lithium aluminium tetrahydride In diethyl ether at 0℃; for 2h; | 85 % Turnov. |
Multi-step reaction with 2 steps 1: thionyl chloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 2: sodium tetrahydroborate / tetrahydrofuran; N,N-dimethyl-formamide / 0 - 20 °C View Scheme |
Conditions | Yield |
---|---|
Stage #1: ortho-nitrobenzoic acid With copper(II) carbonate In various solvent(s) at 120℃; for 0.5h; Stage #2: para-bromotoluene With potassium fluoride; palladium acetylacetonate; iso-propyldiphenylphoshine In various solvent(s) at 120℃; for 24h; Further stages.; | 97% |
With potassium fluoride; copper(II) carbonate; bis(acetylacetonato)palladium(II); isopropyldiphenylphosphine In 1-methyl-pyrrolidin-2-one at 120℃; for 24h; Product distribution / selectivity; Molecular sieve; | 97 %Chromat. |
Ethyl 4-bromobenzoate
ortho-nitrobenzoic acid
ethyl 2'-nitrobiphenyl-4-carboxylate
Conditions | Yield |
---|---|
Stage #1: ortho-nitrobenzoic acid With copper(II) carbonate In various solvent(s) at 120℃; for 0.5h; Stage #2: Ethyl 4-bromobenzoate With potassium fluoride; palladium acetylacetonate; iso-propyldiphenylphoshine In various solvent(s) at 120℃; for 24h; Further stages.; | 97% |
With potassium fluoride; copper(II) carbonate; bis(acetylacetonato)palladium(II); isopropyldiphenylphosphine In 1-methyl-pyrrolidin-2-one at 120℃; for 24h; Product distribution / selectivity; Molecular sieve; | 97 %Chromat. |
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