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:76903-88-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi
Cas:76903-88-3
Min.Order:1 Kilogram
FOB Price: $5.0
Type:Manufacturers
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:76903-88-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:76903-88-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:76903-88-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry3,4-Difluorobenzoyl chloride CAS:76903-88-3 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
Cas:76903-88-3
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
Cas:76903-88-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:76903-88-3
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
Type:Trading Company
inquiryHenan 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
Cas:76903-88-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:76903-88-3
Min.Order:0 Metric Ton
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Type:Other
inquiryJ&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
Cas:76903-88-3
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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:76903-88-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so
Cas:76903-88-3
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:76903-88-3
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:76903-88-3
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:76903-88-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:76903-88-3
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:76903-88-3
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:76903-88-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cas:76903-88-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:76903-88-3
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:76903-88-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry3,4-Difluorobenzoyl chloride Application:3,4-Difluorobenzoyl chloride
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
Cas:76903-88-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry3,4-Difluorobenzoic acid
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
With thionyl chloride; N,N-dimethyl-formamide at 70 - 80℃; Substitution; | 96.3% |
With thionyl chloride Heating; | 88% |
With thionyl chloride In benzene Heating; | 81% |
1,2-difluoro-4-(trifluoromethyl)benzene
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 86 percent / conc. sulfuric acid / 2 h / 80 °C 2: thionyl chloride / benzene / 2 h / Heating View Scheme |
1,2-dichloro-4-(trifluoromethyl)benzene
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: KF / various solvent(s) / 24 h / 265 °C / other temperatures, other solvents 2: 86 percent / conc. sulfuric acid / 2 h / 80 °C 3: thionyl chloride / benzene / 2 h / Heating View Scheme |
4-chlorotrichloromethylbenzene
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: chlorosulfuric acid / 1) 120 deg C, 1 h 2) 150 deg C, 2 h 2: 94 percent / SOCl2 / benzene / 8 h / Heating 3: 71 percent / KF, Ph4PBr / acetonitrile / 16 h / Heating 4: 45 percent / KF, PPh4Br / tetrahydrothiophene 1,1-dioxide; toluene / 210 °C / 270 Torr 5: 93 percent / 10percent NaOH / 1 h 6: 81 percent / SOCl2 / benzene / Heating View Scheme |
4-chloro-3-(chlorosulfonyl)benzoic acid
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 94 percent / SOCl2 / benzene / 8 h / Heating 2: 71 percent / KF, Ph4PBr / acetonitrile / 16 h / Heating 3: 45 percent / KF, PPh4Br / tetrahydrothiophene 1,1-dioxide; toluene / 210 °C / 270 Torr 4: 93 percent / 10percent NaOH / 1 h 5: 81 percent / SOCl2 / benzene / Heating View Scheme |
3-chlorosulfonyl-4-chlorobenzoyl chloride
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 71 percent / KF, Ph4PBr / acetonitrile / 16 h / Heating 2: 45 percent / KF, PPh4Br / tetrahydrothiophene 1,1-dioxide; toluene / 210 °C / 270 Torr 3: 93 percent / 10percent NaOH / 1 h 4: 81 percent / SOCl2 / benzene / Heating View Scheme |
3,4-difluorobenzoyl fluoride
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 93 percent / 10percent NaOH / 1 h 2: 81 percent / SOCl2 / benzene / Heating View Scheme |
4-fluoro-3-(fluorosulfonyl)benzoyl fluoride
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 45 percent / KF, PPh4Br / tetrahydrothiophene 1,1-dioxide; toluene / 210 °C / 270 Torr 2: 93 percent / 10percent NaOH / 1 h 3: 81 percent / SOCl2 / benzene / Heating View Scheme |
1-[8-(2-chlorophenyl)-9-(4-chlorophenyl)-9H-purin-6-yl]-piperidin-4-amine
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; for 3h; | 100% |
1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid ; hydrochloride
3,4-difluorobenzoyl chloride
2-(3,4-difluorobenzoyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid ; hydrochloride; 3,4-difluorobenzoyl chloride With sodium hydroxide In water; acetone for 1h; pH=> 10; Stage #2: Stage #3: With hydrogenchloride In water | 98.8% |
Stage #1: 1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid ; hydrochloride With sodium hydroxide In acetone at 20℃; Stage #2: 3,4-difluorobenzoyl chloride With sodium hydroxide In acetone at 20℃; pH=> 10; Stage #3: With hydrogenchloride In water pH=5 - 6; | 95% |
3,4-difluorobenzoyl chloride
acetonitrile
3-(3,4-difluorophenyl)-3-oxopropanenitrile
Conditions | Yield |
---|---|
Stage #1: acetonitrile With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.5h; Stage #2: 3,4-difluorobenzoyl chloride In tetrahydrofuran at 20℃; for 4h; | 97% |
3,4-difluorobenzoyl chloride
N-butylamine
2-(3',4'-difluorophenyl)pyridine
Conditions | Yield |
---|---|
With dmap; copper(II) ethylacetoacetate; C26H36NP; silver(I) acetate In propan-1-ol at 60℃; for 12h; Reagent/catalyst; | 96.2% |
3,4-difluorobenzoyl chloride
glycine
2-(3,4-difluorobenzamido)acetic acid
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran at 0 - 20℃; | 96% |
With hydrogenchloride; sodium hydroxide In water |
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
With pyridine; triethylamine at 0 - 20℃; | 96% |
berberrubine chloride
3,4-difluorobenzoyl chloride
9-O-(3,4-diflourobenzoyl)berberrubine chloride
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 0.5h; | 94% |
glycine ethyl ester hydrochloride
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 18 - 25℃; for 2h; Cooling with ice; | 94% |
2-chloroethanamine hydrochloride
3,4-difluorobenzoyl chloride
N-(2-chloroethyl)-2-(3,4-difluorophenyl)acid amide
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0℃; for 3h; Inert atmosphere; | 93% |
3,4-difluorobenzoyl chloride
dimedone
Conditions | Yield |
---|---|
With pyridine In 1,2-dichloro-ethane at 20℃; for 12h; Inert atmosphere; | 93% |
3,4-difluorobenzoyl chloride
Propargylamine
3,4-difluoro-N-(prop-2-ynyl)benzamide
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0 - 20℃; Inert atmosphere; | 92% |
With dmap; triethylamine In dichloromethane at 0 - 20℃; |
7-hydroxy-4,6-dimethylcoumarin
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
With potassium carbonate for 0.25h; | 92% |
piperidine-2,6-dione
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0 - 20℃; Inert atmosphere; | 91.2% |
With dmap; triethylamine In dichloromethane at 0 - 20℃; for 12h; Inert atmosphere; | 91% |
With dmap; triethylamine In dichloromethane at 0 - 23℃; Inert atmosphere; | |
With dmap; triethylamine In dichloromethane at 0 - 23℃; Inert atmosphere; Schlenk technique; |
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
With potassium carbonate In neat (no solvent) at 20℃; for 0.25h; Milling; | 91% |
3,4-difluorobenzoyl chloride
N-(tert-butyl)-3,4-difluorobenzamide
Conditions | Yield |
---|---|
90% |
Conditions | Yield |
---|---|
Stage #1: potassium thioacyanate; 3,4-difluorobenzoyl chloride In acetone at 55℃; for 1h; Inert atmosphere; Stage #2: 2-methoxy-ethanol In acetone at 55℃; for 12h; | 90% |
tert-butyl N-[(1s,4s)-4-aminocyclohexyl]carbamate
3,4-difluorobenzoyl chloride
(cis-4-{[1-(3,4-difluoro-phenyl)-methanoyl]-amino}-cyclohexyl)-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 1h; | 89% |
4-[2-(2-Methyl-piperidin-1-yl)-ethoxy]-3-(2-methyl-2H-pyrazol-3-yl)-phenylamine
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; | 88.2% |
3,4-difluorobenzoyl chloride
cis-<2-(1,1'-biphenyl-4-yl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl>methanol
Conditions | Yield |
---|---|
With pyridine at 0℃; for 2.5h; | 88% |
3-aminobenzenemethanol
3,4-difluorobenzoyl chloride
3,4-difluoro-N-(3-hydroxymethyl-phenyl)-benzamide
Conditions | Yield |
---|---|
With triethylamine In 1,4-dioxane | 88% |
methyl-phenyl-carbamic acid 5-amino-pyridin-2-yl ester
3,4-difluorobenzoyl chloride
methyl-phenyl-carbamic acid 5-(3,4-difluoro-benzoylamino)-pyridin-2-yl ester
Conditions | Yield |
---|---|
With triethylamine In acetonitrile at 20℃; for 1h; | 88% |
3,4-difluorobenzoyl chloride
methyl {(2R)-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl}acetate
Conditions | Yield |
---|---|
With 4-pyrrolidin-1-ylpyridine In tetrahydrofuran | 88% |
With 4-pyrrolidin-1-ylpyridine In tetrahydrofuran | 88% |
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 20℃; for 3h; | 88% |
4-aminopyridine
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
In tetrahydrofuran at 0℃; Inert atmosphere; | 88% |
3,4-difluorobenzoyl chloride
2-amino-5-chloro-6-fluro[2,1-b][1,3]benzothiazole
Conditions | Yield |
---|---|
With triethylamine In 1,4-dioxane at 50 - 60℃; for 2h; | 87.2% |
4-oxazol-2-yl-benzoic acid ethyl ester
3,4-difluorobenzoyl chloride
ethyl 4-(5-(3,4-difluorobenzoyl)oxazol-2-yl)benzoate
Conditions | Yield |
---|---|
Stage #1: 4-oxazol-2-yl-benzoic acid ethyl ester With zinc chloride-2,2,6,6-tetramethylpiperidin-1-ide lithium chloride complex In tetrahydrofuran at 50℃; for 2h; Inert atmosphere; Schlenk technique; Stage #2: 3,4-difluorobenzoyl chloride With tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 25℃; for 1h; Negishi Coupling; Inert atmosphere; Schlenk technique; regioselective reaction; | 87% |
3,4-difluorobenzoyl chloride
3,4-difluoro-benzaldehyde oxime
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0℃; | 85% |
Stage #1: 3,4-difluorobenzoyl chloride; 3,4-difluoro-benzaldehyde oxime Stage #2: With triethylamine hydrochloride | 85% |
1,3-diphenyl-1H-pyrazol-5-amine
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane | 84% |
Stage #1: 1,3-diphenyl-1H-pyrazol-5-amine With N-ethyl-N,N-diisopropylamine In dichloromethane for 0.25h; Stage #2: 3,4-difluorobenzoyl chloride In dichloromethane at 20℃; |
3,4-difluorobenzoyl chloride
Conditions | Yield |
---|---|
Stage #1: 3-(4-nitrophenyl)-2-(trifluoromethyl)imidazo[1,2-a]pyridine With water; tin(ll) chloride In ethanol; dichloromethane Heating / reflux; Stage #2: 3,4-difluorobenzoyl chloride With N-ethyl-N,N-diisopropylamine In dichloromethane for 4h; | 84% |
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