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
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inquiryAs 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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inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
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inquiry3-BROMO-5-CHLORO-BENZALDEHYDE Basic information Product Name: 3-BROMO-5-CHLORO-BENZALDEHYDE Synonyms: 3-BROMO-5-CHLORO-BENZALDEHYDE;3-Bromo-5-chlorobenzladehyde;5-Chloro-3-bromobenzaldeh
WITH 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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inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:powder Storage:Store in sealed containers at cool & dry pla
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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
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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
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inquiry3-BROMO-5-CHLORO-BENZALDEHYDE CAS:188813-05-0 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 or
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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
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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
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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
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inquiryWe are leading fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...)
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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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inquiry3-BROMO-5-CHLORO-BENZALDEHYDE Basic information Product Name: 3-BROMO-5-CHLORO-BENZALDEHYDE Synonyms: 3-BROMO-5-CHLORO-BENZALDEHYDE;3-Bromo-5-chlorobenzladehyde;5-Chloro-3-bromobenzaldehyde;3-BroMo-5-chlorobenzaldehyde, 98%+;3-Bromo-5-chL;Benz
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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
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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
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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:188813-05-0
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cangzhou 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, intermediat
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inquiryGOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
We 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
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inquiryOur company is engaged in customizing the benzene ring and pyridine derivative organic intermediates, and the quantity is flexible according to customer's needs. It mainly provides high-quality intermediates for domestic and foreign pharmaceutical an
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inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryISO/factory/goodqualityAppearance:Colorless Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
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inquiry1,3-dibromo-5-chlorobenzene
N,N-dimethyl-formamide
3-bromo-5-chloro-benzaldehyde
Conditions | Yield |
---|---|
Stage #1: 1,3-dibromo-5-chlorobenzene With n-butyllithium In hexane; di-isopropyl ether at -78℃; for 0.5h; Inert atmosphere; Stage #2: N,N-dimethyl-formamide In hexane; di-isopropyl ether at -78℃; Inert atmosphere; | 67% |
3-bromo-5-chloro-benzaldehyde
ethylene glycol
2-(3-chloro-5-formylphenyl)-2-methylpropanenitrile
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene Inert atmosphere; Reflux; | 100% |
With toluene-4-sulfonic acid In toluene for 18h; Heating / reflux; Water removal; | 85% |
With toluene-4-sulfonic acid In toluene for 6h; Reflux; Dean-Stark; | 6.05 g |
With toluene-4-sulfonic acid In toluene at 140℃; for 2h; Inert atmosphere; |
Conditions | Yield |
---|---|
In toluene at 111℃; for 18h; Inert atmosphere; | 93% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water for 12h; Inert atmosphere; Reflux; | 90% |
3-bromo-5-chloro-benzaldehyde
benzamidine monohydrochloride
2-(3-bromo-5-chlorophenyl )-4,6-diphenyl-1,3,5-triazine
Conditions | Yield |
---|---|
Stage #1: 3-bromo-5-chloro-benzaldehyde; benzamidine monohydrochloride With potassium phosphate In dimethyl sulfoxide at 90℃; for 1h; Stage #2: With magnesium sulfate; 2,3-dicyano-5,6-dichloro-p-benzoquinone In tetrahydrofuran; dimethyl sulfoxide at 20℃; for 0.166667h; | 87% |
Conditions | Yield |
---|---|
With sodium methylate In ethanol for 5h; | 80% |
3-bromo-5-chloro-benzaldehyde
trimethyl orthoformate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In methanol for 12h; Reflux; | 78% |
Conditions | Yield |
---|---|
With sodium methylate In methanol; ethanol for 5h; | 77% |
3-bromo-5-chloro-benzaldehyde
1-t-Butoxycarbonylpiperazine
4-(3-bromo-5-chloro-benzyl)piperazine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With sodium tris(acetoxy)borohydride; triethylamine In dichloromethane at 20℃; for 16h; | 76% |
2-thioxo-4-thiazolidinone
3-bromo-5-chloro-benzaldehyde
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol Reflux; | 75% |
3-bromo-5-chloro-benzaldehyde
Conditions | Yield |
---|---|
Stage #1: ((1-bromo-3-chloro-naphthalene-7-yl)methyl)triphenylphosphonium bromide With potassium tert-butylate In tetrahydrofuran for 5h; Inert atmosphere; Reflux; Stage #2: 3-bromo-5-chloro-benzaldehyde In tetrahydrofuran at 0 - 20℃; for 12h; | 70% |
3-bromo-5-chloro-benzaldehyde
Conditions | Yield |
---|---|
Stage #1: ((1-bromo-4-chloro-naphthalene-7-yl)methyl)triphenylphosphonium bromide With potassium tert-butylate In tetrahydrofuran for 5h; Inert atmosphere; Reflux; Stage #2: 3-bromo-5-chloro-benzaldehyde In tetrahydrofuran at 0 - 20℃; for 12h; Inert atmosphere; Reflux; | 67% |
3-bromo-5-chloro-benzaldehyde
bis(pinacol)diborane
Conditions | Yield |
---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; palladium diacetate In 1,4-dioxane for 12h; Reflux; | 63% |
3-bromo-5-chloro-benzaldehyde
(6-bromopyridin-2-yl)boronic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water for 24h; Reflux; | 62% |
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water for 24h; Reflux; | 62% |
Conditions | Yield |
---|---|
Stage #1: 3-bromo-5-chloro-benzaldehyde; C23H19N3 In ethanol at 20℃; for 0.5h; Stage #2: With [bis(acetoxy)iodo]benzene In ethanol at 20℃; for 3h; | 61% |
3-bromo-5-chloro-benzaldehyde
1,8-diazaspiro[4.5]decane-8-carboxylic acid tert butyl ester
Conditions | Yield |
---|---|
Stage #1: 3-bromo-5-chloro-benzaldehyde; 1,8-diazaspiro[4.5]decane-8-carboxylic acid tert-butyl ester In dichloromethane at 20℃; for 2h; Molecular sieve; Inert atmosphere; Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; Time; Molecular sieve; Inert atmosphere; | 60% |
3-bromo-5-chloro-benzaldehyde
(3-bromophenyl)boronic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water for 24h; Reflux; | 60% |
3-bromo-5-chloro-benzaldehyde
N-phenylpent-4-enamide
Conditions | Yield |
---|---|
With Ir(dF(CF3)ppy)2(bpy)PF6; Ni(4,4'-dimethoxy-2,2'-bipyridine)(H2O)2Br2; dibutylphosphoric acid tetrabutylammonium salt In toluene; tert-butyl alcohol at 20℃; for 48h; Inert atmosphere; Sealed tube; Irradiation; | 56% |
4-Methoxystyrene
3-bromo-5-chloro-benzaldehyde
Conditions | Yield |
---|---|
With palladium diacetate; triethylamine; tris-(o-tolyl)phosphine In N,N-dimethyl acetamide at 100℃; for 16h; Inert atmosphere; | 54% |
With palladium diacetate; triethylamine; tris-(o-tolyl)phosphine In N,N-dimethyl acetamide at 100℃; for 16h; | 54% |
morpholine
3-bromo-5-chloro-benzaldehyde
3-chloro-5-morpholinobenzaldehyde
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In toluene at 90℃; Inert atmosphere; | 52% |
3-bromo-5-chloro-benzaldehyde
Conditions | Yield |
---|---|
With palladium diacetate; caesium carbonate; XPhos In tetrahydrofuran; water at 80℃; Inert atmosphere; | 47% |
3-bromo-5-chloro-benzaldehyde
p-aminoethylbenzoate
4-{[1-(3-bromo-5-chloro-phenyl)-methylidene]-amino}-benzoic acid ethyl ester
Conditions | Yield |
---|---|
In ethanol for 2h; Reflux; | 35% |
In ethanol for 2h; Reflux; | 35% |
3-bromo-5-chloro-benzaldehyde
tert-butyl hexahydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In toluene at 80℃; Inert atmosphere; | 32% |
Conditions | Yield |
---|---|
With ammonium acetate In isopropyl alcohol Heating; |
3-bromo-5-chloro-benzaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: ammonium acetate / propan-2-ol / Heating 2: HCl View Scheme |
3-bromo-5-chloro-benzaldehyde
ClBrC6H3CH(NH2)CH2COOC2H5
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: ammonium acetate / propan-2-ol / Heating 2: HCl 3: immobilized Pseudomonas cepacia lipase / various solvent(s) / 24 h / 20 °C View Scheme |
3-bromo-5-chloro-benzaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: ammonium acetate / propan-2-ol / Heating 2: HCl 3: immobilized Pseudomonas cepacia lipase / various solvent(s) / 24 h / 20 °C View Scheme |
3-bromo-5-chloro-benzaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: ammonium acetate / propan-2-ol / Heating 2.1: HCl 3.1: immobilized Pseudomonas cepacia lipase / various solvent(s) / 24 h / 20 °C 4.1: isobutyl chloroformate; N-methylmorpholine / N,N-dimethyl-acetamide / 0.25 h / 5 - 20 °C 4.2: N-methylmorpholine / N,N-dimethyl-acetamide / 20 °C View Scheme |
3-bromo-5-chloro-benzaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: ammonium acetate / propan-2-ol / Heating 2.1: HCl 3.1: immobilized Pseudomonas cepacia lipase / various solvent(s) / 24 h / 20 °C 4.1: isobutyl chloroformate; N-methylmorpholine / N,N-dimethyl-acetamide / 0.25 h / 5 - 20 °C 4.2: N-methylmorpholine / N,N-dimethyl-acetamide / 20 °C 5.1: aq. NaOH / acetonitrile / 3 h / 20 °C View Scheme |
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