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:553-86-6
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inquiryProduct description: Product name 2-Coumaranone CAS number 553-86-6 Assay ≥99% Appearance White or off-white crystal Capacity 1000mt/year Application Pesticide intermediate
Cas:553-86-6
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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
Agrochemical Intermediate Appearance:White or yellowish - like crystals Storage:Store in a cool, dry, well ventilated warehouse. Package:25kg per bag Application:Agrochemical Intermediate Port:Any port of China
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:553-86-6
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inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:553-86-6
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inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:553-86-6
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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
Cas:553-86-6
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inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W
Cas:553-86-6
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inquiryCAS Number 553-86-6 Product Name 2-Coumaranone Synonyms 1-benzofuran-2(3h)-one; 2(3h)-benzofuranone; 2,3-dihydrobenzo[b]furan-2-
1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:off-white powder Storage:Store in sealed containers at cool
Cas:553-86-6
Min.Order:100 Gram
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inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:553-86-6
Min.Order:1 Kilogram
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inquiryAbout Product Details Items Specifications Test Results Appearance White to white crystalline powde
Cas:553-86-6
Min.Order:100 Kilogram
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Type:Lab/Research institutions
inquiry2-COUMARANONE CAS:553-86-6 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 intermediates
Cas:553-86-6
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:553-86-6
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
J&H CHEM 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. J&H CHEM has some Manufacturing base in Jia
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
Cas:553-86-6
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:553-86-6
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryBenzofuran-2(3H)-oneAppearance:white powder Storage:Keep away of light, cool place Package:according to customers' requirements Application:pharmaceutical intermediates Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(FOB or CIF or
We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:553-86-6
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:White or slightly yellowish, Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:For medicine , pest
Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
2-COUMARANONE Basic information Description Reference Product Name: 2-COUMARANONE Synony
Cas:553-86-6
Min.Order:1 Metric Ton
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Type:Lab/Research institutions
inquiryProduct name: 2-Coumaranone CAS No.:553-86-6 Molecule Formula:C8H6O2 Molecule Weight:134.13 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS SPECIFI
Cas:553-86-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Our 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
Conditions | Yield |
---|---|
With pyrophosphoryl chloride at 35℃; for 0.333333h; | 100% |
With toluene-4-sulfonic acid In toluene for 4h; Heating; | 100% |
With sulfuric acid In water; toluene at 100℃; for 6h; Reagent/catalyst; Temperature; | 98% |
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
With tin(IV) oxide at 140℃; for 5h; Inert atmosphere; | 98% |
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
With trifluoroacetic acid In toluene for 1h; Heating; | 97% |
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
With Oxone In water; acetone at 20℃; for 0.0333333h; Cooling with ice; | 97% |
With Oxone; water In acetone at 20℃; for 0.0833333h; | 9% |
With oxone In water; acetone for 2h; | 14 mg |
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
With magnesium oxide at 120℃; for 2h; Temperature; Reagent/catalyst; | 97% |
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
With alumina molecular sieve at 90℃; for 4h; Reagent/catalyst; Temperature; Inert atmosphere; | 96% |
N,N-diethyl-2-(2-hydroxy)phenyl acetamide
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
With hydrogenchloride In toluene for 40h; Heating; | 94% |
With hydrogenchloride In water; benzene for 40h; Reagent/catalyst; Reflux; |
2-benzofuranylboronic acid mida ester
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
Stage #1: 2-benzofuranylboronic acid mida ester With potassium hydrogen bifluoride In methanol; water at 70℃; for 2h; Stage #2: With Oxone In methanol; water at 18℃; for 0.166667h; | 89% |
Multi-step reaction with 2 steps 1: methanol; water / 4 h / 70 °C 2: oxone / water; acetone / 2 h View Scheme |
Conditions | Yield |
---|---|
Stage #1: allyl phenyl ether With water; ozone at 15℃; Stage #2: In water at 60℃; | 85% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); acetic anhydride; tris-(o-tolyl)phosphine In toluene at 30 - 100℃; for 3.5h; Catalytic behavior; Reagent/catalyst; Temperature; Inert atmosphere; | 84% |
Conditions | Yield |
---|---|
With aluminum (III) chloride In tetrachloromethane at 20℃; for 6h; Solvent; Reagent/catalyst; Temperature; | 83% |
5-(tert-butyl)benzofuran-2(3H)-one
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
With aluminum (III) chloride In toluene Reflux; | 82.1% |
Conditions | Yield |
---|---|
With 2,6-lutidine N-oxide; tetrafluoroboric acid diethyl ether In 1,4-dioxane at 80℃; for 5h; | 81% |
With 2,6-lutidine N-oxide; tetrafluoroboric acid diethyl ether In 1,4-dioxane at 80℃; for 3h; | 81% |
Conditions | Yield |
---|---|
With [RuH(η2-BH4)(2-di-tert-butylphosphinomethyl-6-diethylaminomethylpyridine)] In toluene at 115℃; for 48h; Inert atmosphere; | 76% |
With phosphoric acid tributyl ester at 119.84℃; under 9375.94 Torr; for 8h; Catalytic behavior; Autoclave; | 48% |
benzofuran-2-boronic acid
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
With N,N-dimethyl-p-toluidine N-oxide In dichloromethane at 20℃; for 2h; | 74% |
methyl (2-hydroxyphenyl)acetate
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
With aluminum (III) chloride; 2,6-di-tert-butyl-4-methyl-phenol; trifluoroacetic acid In 1,2-dichloro-benzene at 150℃; for 4h; Inert atmosphere; Sealed tube; | 70% |
Multi-step reaction with 5 steps 1.1: potassium carbonate / N,N-dimethyl-formamide / 16 h / 20 °C / Inert atmosphere 2.1: potassium hydroxide / tetrahydrofuran; water / 0.5 h / 0 °C / Inert atmosphere 2.2: 1 h / Inert atmosphere 3.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0 - 20 °C / Inert atmosphere 4.1: palladium on activated charcoal; hydrogen / ethanol / 20 °C / Inert atmosphere 5.1: N,N,N',N'-tetramethyl-1,8-diaminonaphthalene / 80 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 5 steps 1.1: potassium carbonate / N,N-dimethyl-formamide / 16 h / 20 °C / Inert atmosphere 2.1: potassium hydroxide / tetrahydrofuran; water / 0.5 h / 0 °C / Inert atmosphere 2.2: 1 h / Inert atmosphere 3.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0 - 20 °C / Inert atmosphere 4.1: palladium on activated charcoal; hydrogen / ethanol / 20 °C / Inert atmosphere 5.1: N,N,N',N'-tetramethyl-1,8-diaminonaphthalene / 80 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 5 steps 1.1: potassium carbonate / N,N-dimethyl-formamide / 16 h / 20 °C / Inert atmosphere 2.1: potassium hydroxide / tetrahydrofuran; water / 0.5 h / 0 °C / Inert atmosphere 2.2: 1 h / Inert atmosphere 3.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0 - 20 °C / Inert atmosphere 4.1: palladium on activated charcoal; hydrogen / ethanol / 20 °C / Inert atmosphere 5.1: N,N,N',N'-tetramethyl-1,8-diaminonaphthalene / 80 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
With FeH6Mo6O24(3-)*3H3N*3H(1+)*7H2O; tetrabutylammomium bromide; dihydrogen peroxide In 1,4-dioxane at 70℃; for 24h; | 69% |
Conditions | Yield |
---|---|
With aluminum (III) chloride; 2,6-di-tert-butyl-4-methyl-phenol; trifluoroacetic acid In 1,2-dichloro-benzene at 120℃; for 20h; Reagent/catalyst; Temperature; Inert atmosphere; Sealed tube; regioselective reaction; | 64% |
Conditions | Yield |
---|---|
With Calcium tetrakis(pentafluorophenyl)borate; dihydrogen peroxide; oxalic acid In water; 1,2-dichloro-ethane at 50℃; for 6h; Reagent/catalyst; | A 63% B 24% |
A
benzofuran-2(3H)-one
B
1,2:5,6-di-O-isopropylidene-α-D-glucofuranose
Conditions | Yield |
---|---|
With N,N,N',N'-tetramethyl-1,8-diaminonaphthalene at 80℃; Inert atmosphere; | A n/a B 63% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); benzoic acid In benzene at 125℃; under 3800 Torr; for 20h; | 59% |
carbon monoxide
salicylic alcohol
A
benzofuran-2(3H)-one
B
ortho-cresol
C
2-Hydroxyphenylacetic acid
Conditions | Yield |
---|---|
With hydrogen iodide; tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane at 120℃; under 68400 Torr; for 42h; Carbonylation; reduction; | A 9% B 7% C 56% |
With tetrakis(triphenylphosphine) palladium(0); hydrogen iodide In 1,4-dioxane at 120℃; under 68400 Torr; for 42h; | A 9 % Spectr. B 7 % Spectr. C 36% |
C12H19N2O4P
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
With formic acid for 1h; Heating; | 54% |
N,N-diethyl-2-methylcarbamoyloxybenzene
A
benzofuran-2(3H)-one
B
N,N-diethyl-2-(2-hydroxy)phenyl acetamide
Conditions | Yield |
---|---|
With ammonium chloride; lithium diisopropyl amide In tetrahydrofuran at -78 - 20℃; | A 15% B 54% |
3-hydroxy-2-pyrone
methyl 3-nitrobut-3-enoate
A
benzofuran-2(3H)-one
B
methyl (2-hydroxyphenyl)acetate
Conditions | Yield |
---|---|
With aluminum (III) chloride; 2,6-di-tert-butyl-4-methyl-phenol In 1,2-dichloro-benzene at 120℃; for 2h; Inert atmosphere; | A 15% B 53% |
With 2,6-di-tert-butyl-4-methyl-phenol; dimethylaluminum chloride; trifluoroacetic acid In 1,2-dichloro-benzene at 100℃; for 2.5h; Inert atmosphere; | A 30% B 29% |
2-diazo-1-phenylethan-1-one
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
dirhodium tetraacetate In dichloromethane for 24h; | 43% |
1H-benzo[4,5]furo[3,2-d]thiazol-2-ylideneamine
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; | 40% |
4-Chlorophenoxyacetic acid
A
benzofuran-2(3H)-one
B
5-chloro-2,3-dihydro-2-benzofuranone
C
4-chloro-phenol
D
2-phenoxyacetic acid
E
phenol
Conditions | Yield |
---|---|
With air In water for 7h; Product distribution; Ambient temperature; Irradiation; also under argon atmosphere; photodegradation pathways; | A 7% B 12% C 28% D 3% E 38% |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; 2.9-dimethyl-1,10-phenanthroline; water; copper dichloride; palladium dichloride In nitromethane at 80℃; for 24h; chemoselective reaction; | 35% |
1-benzofurane
A
benzofuran-2(3H)-one
B
2-hydroxy-3(2H)-benzofuranone
C
salicylaldehyde
Conditions | Yield |
---|---|
With molybdenum peroxide hexamethylphosphorylamide In dichloromethane for 168h; Ambient temperature; | A 7% B 18% C 12% |
Conditions | Yield |
---|---|
hydrogenchloride at 50℃; for 0.5h; | 99% |
With amberlyst-15 for 26h; | 88% |
benzofuran-2(3H)-one
N-hydroxy-2-(2-hydroxyphenyl)acetamide
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; potassium hydroxide In methanol at 0 - 20℃; Inert atmosphere; | 99% |
benzofuran-2(3H)-one
(2S,5S)-2,5-bis(methoxymethyl)pyrrolidine
1-[(2S,5S)-2,5-bis(methoxymethyl)pyrrolidin-1-yl]-2-(2-hydroxyphenyl)ethanone
Conditions | Yield |
---|---|
In toluene Reflux; | 99% |
piperidine
benzofuran-2(3H)-one
2-(2-hydroxyphenyl)-1-(piperidin-1-yl)ethan-1-one
Conditions | Yield |
---|---|
In toluene at 110℃; | 98% |
With toluene-4-sulfonic acid In toluene at 110℃; | 98% |
benzofuran-2(3H)-one
salicylaldehyde
3-(2-hydroxyphenyl)-2H-chromen-2-one
Conditions | Yield |
---|---|
With triethylamine for 1h; Reflux; | 98% |
With N,N,N',N'-tetramethylguanidine In chloroform at 20℃; for 3h; Reagent/catalyst; Sealed tube; | 97% |
With N,N,N',N'-tetramethylguanidine In chloroform at 20℃; for 3h; Sealed tube; | 97% |
benzofuran-2(3H)-one
C16H14ClNO
Conditions | Yield |
---|---|
With piperidine In N,N-dimethyl acetamide at 150℃; for 4h; Inert atmosphere; diastereoselective reaction; | 98% |
benzofuran-2(3H)-one
2-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)benzaldehyde
Conditions | Yield |
---|---|
With piperidine In N,N-dimethyl acetamide at 150℃; for 5h; Inert atmosphere; diastereoselective reaction; | 98% |
benzofuran-2(3H)-one
Conditions | Yield |
---|---|
With piperidine In N,N-dimethyl acetamide at 150℃; for 7h; Inert atmosphere; diastereoselective reaction; | 98% |
benzofuran-2(3H)-one
buta-2,3-dienoic acid benzyl ester
Conditions | Yield |
---|---|
With triphenylphosphine In toluene at 20℃; for 12h; Catalytic behavior; Reagent/catalyst; Solvent; Temperature; Inert atmosphere; | 97% |
Conditions | Yield |
---|---|
With N,N,N',N'-tetramethylguanidine In chloroform at 20℃; for 3h; Sealed tube; | 97% |
With N,N,N',N'-tetramethylguanidine In chloroform at 20℃; for 3h; Sealed tube; | 97% |
With triethylamine for 1h; Reflux; | 96% |
benzofuran-2(3H)-one
2-hydroxy-5-methylbenzaldehyde
3-(2-hydroxyphenyl)-6-methyl-2H-chromen-2-one
Conditions | Yield |
---|---|
With N,N,N',N'-tetramethylguanidine In chloroform at 20℃; for 3h; Sealed tube; | 97% |
With N,N,N',N'-tetramethylguanidine In chloroform at 20℃; for 3h; Sealed tube; | 97% |
With triethylamine for 1h; Reflux; | 90% |
benzofuran-2(3H)-one
2-fluoro-6-hydroxybenzaldehyde
Conditions | Yield |
---|---|
With N,N,N',N'-tetramethylguanidine In chloroform at 20℃; for 3h; Sealed tube; | 97% |
With N,N,N',N'-tetramethylguanidine In chloroform at 20℃; for 3h; Sealed tube; | 97% |
benzofuran-2(3H)-one
trimethyl orthoformate
3-(α-methoxy)methylene benzofuran-2-(3H)-ketone
Conditions | Yield |
---|---|
With acetic anhydride at 95 - 100℃; Concentration; | 96.5% |
With acetic anhydride at 40 - 90℃; Temperature; | 96.8% |
at 110℃; for 21h; Large scale; | |
With zinc(II) chloride at 110℃; for 4h; |
Conditions | Yield |
---|---|
With methanol; Na/SiO2 In tetrahydrofuran at 0 - 25℃; Bouveault-Blanc reduction; Inert atmosphere; | 96% |
With lithium aluminium tetrahydride In diethyl ether Heating; | |
With sodium tetrahydroborate In tetrahydrofuran at 0 - 30℃; for 5h; Reagent/catalyst; Solvent; Temperature; | 9.1 g |
benzofuran-2(3H)-one
diethylamine
N,N-diethyl-2-(2-hydroxy)phenyl acetamide
Conditions | Yield |
---|---|
In toluene at 110℃; | 96% |
With toluene-4-sulfonic acid In toluene at 110℃; | 96% |
Conditions | Yield |
---|---|
In ethanol at 20℃; Inert atmosphere; | 95% |
benzofuran-2(3H)-one
(S)-1-phenyl-ethylamine
2-(2-hydroxyphenyl)-N-(1S-α-phenylethyl)acetamide
Conditions | Yield |
---|---|
In toluene at 20℃; for 0.0833333h; | 95% |
In toluene Heating; |
benzofuran-2(3H)-one
1,5-bis(4-trifluoromethylphenyl)-1,4-pentadiene-3-one
Conditions | Yield |
---|---|
With QD-4 In para-xylene at 20℃; for 96h; Catalytic behavior; Michael Addition; stereoselective reaction; | 95% |
Conditions | Yield |
---|---|
With triethylamine for 1h; Reflux; | 95% |
With N,N,N',N'-tetramethylguanidine In chloroform at 20℃; for 3h; Sealed tube; | 95% |
With N,N,N',N'-tetramethylguanidine In chloroform at 20℃; for 3h; Sealed tube; | 95% |
benzofuran-2(3H)-one
5-Nitrosalicylaldehyde
3-(2-hydroxyphenyl)-6-nitro-2H-chromen-2-one
Conditions | Yield |
---|---|
With triethylamine for 1h; Reflux; | 95% |
Conditions | Yield |
---|---|
With N,N,N',N'-tetramethylguanidine In chloroform at 20℃; for 3h; Sealed tube; | 95% |
With N,N,N',N'-tetramethylguanidine In chloroform at 20℃; for 3h; Sealed tube; | 95% |
benzofuran-2(3H)-one
carbon monoxide
3-hydroxymethylenebenzofuran-2(3H)-one
Conditions | Yield |
---|---|
With sodium methylate In N,N-dimethyl-formamide at 40℃; under 225023 Torr; for 6h; Reagent/catalyst; Solvent; Temperature; Pressure; Green chemistry; | 95% |
benzofuran-2(3H)-one
(Dimethylamino)ethoxyacetaldehyd-dimethylhydrazon
Conditions | Yield |
---|---|
In ethanol Ambient temperature; | 94% |
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