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:79839-49-9
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:79839-49-9
Min.Order:1 Kilogram
FOB Price: $5.0
Type:Manufacturers
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:79839-49-9
Min.Order:1 Kilogram
FOB Price: $600.0 / 690.0
Type:Trading Company
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:79839-49-9
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:79839-49-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures
Cas:79839-49-9
Min.Order:1 Metric Ton
FOB Price: $5.0 / 10.0
Type:Lab/Research institutions
inquiryOur 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:79839-49-9
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryHangzhou 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
Cas:79839-49-9
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
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:79839-49-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryMassive 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 als
Cas:79839-49-9
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryWe 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:79839-49-9
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryEstablished 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
Cas:79839-49-9
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiry2-Bromobenzene-1,3-dialdehyde Basic information Product Name: 2-Bromobenzene-1,3-dialdehyde Synonyms: 2-Bromobenzene-1,3-dialdehyde;2-Bromoisophthalaldehyde;2-Bromobenzene-1,3-dicarboxal
Cas:79839-49-9
Min.Order:1 Kilogram
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:79839-49-9
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:79839-49-9
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:79839-49-9
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:79839-49-9
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
Cas:79839-49-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Cas:79839-49-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:79839-49-9
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:79839-49-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:79839-49-9
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
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
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:79839-49-9
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquirybulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical
Cas:79839-49-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryFredchem focus on CRO/CMO business and its own R&D of API/Intermediates Package:Kilograms/MT Application:Pharmaceutical field Transportation:According to customer request Port:Shanghai
Cas:79839-49-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep 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:79839-49-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry2-bromo-1,3-bis(bromomethyl)benzene
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
With formic acid Heating; | 99% |
1,3-bis(dibromomethyl)-2-bromobenzene
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
With formic acid for 12h; Heating; | 94% |
With silver nitrate In ethanol; water for 0.666667h; Reflux; Inert atmosphere; | 94% |
With silver nitrate | 90% |
2,6-bis(hydroxymethyl)bromobenzene
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
With pyridinium chlorochromate In dichloromethane at 20℃; Celite; | 92.4% |
With silica gel; pyridinium chlorochromate In dichloromethane at 20 - 25℃; | 92.4% |
2-Bromo-m-xylene
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
Stage #1: 2-Bromo-m-xylene With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane for 3h; Reflux; Stage #2: With water; calcium carbonate In 1,4-dioxane for 72h; Reflux; | 75% |
With sulfuric acid; bromine 1) h*ν; Multistep reaction; | |
With hydrogenchloride; sulfuric acid; acetic anhydride 1.) 0 deg C (3 h), 15 deg C (2 h), 2.) dioxane, 4 h; Yield given. Multistep reaction; |
1,3-bis(diacetoxymethyl)-2-bromo-benzene
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
With sulfuric acid In methanol; water at 0℃; | 65% |
With hydrogenchloride; water In 1,4-dioxane for 4h; Reflux; |
2-bromoisophthalic acid
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: thionyl chloride / 9 h / 100 °C 1.2: 2 h / 20 - 25 °C 2.1: lithium borohydride / diethyl ether; tetrahydrofuran / 20 - 25 °C 2.2: pH 6 - 7 3.1: silica gel; pyridinium chlorochromate / dichloromethane / 20 - 25 °C View Scheme |
1,3-dimethyl 2-bromobenzene-1,3-dicarboxylate
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: lithium borohydride / diethyl ether; tetrahydrofuran / 20 - 25 °C 1.2: pH 6 - 7 2.1: silica gel; pyridinium chlorochromate / dichloromethane / 20 - 25 °C View Scheme |
2-bromoisophthalaldehyde
ethylene glycol
2,2'-(2-bromo-1,3-phenylene)bis(1,3-dioxolane)
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 12h; Reflux; Dean-Stark; | 100% |
With toluene-4-sulfonic acid In toluene | 78% |
Conditions | Yield |
---|---|
With C32H39Br2MgN2(1-)*C16H32LiO4(1+) In chloroform-d1 at 20℃; for 6h; Inert atmosphere; Glovebox; | 99% |
With C32H39Br2MgN2(1-)*C16H32LiO4(1+) In chloroform-d1 at 20℃; for 2h; Glovebox; Inert atmosphere; chemoselective reaction; | 99 %Spectr. |
Conditions | Yield |
---|---|
Stage #1: C44H64N8; 2-bromoisophthalaldehyde With methanol In dichloromethane for 20h; Inert atmosphere; Schlenk technique; Stage #2: With sodium tetrahydroborate In dichloromethane for 4h; Inert atmosphere; Schlenk technique; | 97% |
2-bromoisophthalaldehyde
2-bromo-1,3-bis[(4S,5S)-4,5-bis(2,4,6-trimethylphenyl)-4,5-dihydro-1H-imidazol-2-yl]benzene
Conditions | Yield |
---|---|
With N-Bromosuccinimide In dichloromethane at 20℃; Inert atmosphere; | 96% |
With N-Bromosuccinimide In dichloromethane at 20℃; Inert atmosphere; | 96% |
Conditions | Yield |
---|---|
With acetic acid In methanol for 12h; Inert atmosphere; Reflux; | 96% |
2-bromoisophthalaldehyde
aniline
1,3-bis[(N-phenyl)imino]-2-bromobenzene
Conditions | Yield |
---|---|
In ethanol for 24h; Reflux; | 95% |
With formic acid In methanol at 20℃; | 85% |
(S,S)-1,2-diphenyl-1,2-diaminoethane
2-bromoisophthalaldehyde
2-bromo-1,3-bis[(4S,5S)-4,5-diphenyl-4,5-dihydro-1H-imidazol-2-yl]benzene
Conditions | Yield |
---|---|
With N-Bromosuccinimide In dichloromethane at 20℃; Inert atmosphere; | 94% |
With N-Bromosuccinimide In dichloromethane at 20℃; Inert atmosphere; | 94% |
With N-Bromosuccinimide In dichloromethane at 20℃; Inert atmosphere; | 94% |
2-bromoisophthalaldehyde
2-(2-methoxynaphthalen-6-yl)benzene-1,3-dialdehyde
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane; ethanol Suzuki coupling; Heating; | 91% |
p-toluidine
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
With formic acid In methanol at 20℃; | 91% |
In methanol at 20℃; for 3h; | 85% |
Conditions | Yield |
---|---|
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In 1,2-dimethoxyethane; water Suzuki coupling reaction; Heating; | 90% |
2-bromoisophthalaldehyde
2,4,6-trimethylaniline
bis(N-mesityl)-2-bromoisophthalaldimine
Conditions | Yield |
---|---|
With formic acid In methanol at 20℃; | 90% |
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
With trifluoroacetic acid In 1,4-dioxane at 20℃; for 18h; | 90% |
2-(7-methoxynaphthalen-2-yl)-5,5-dimethyl-1,3,2-dioxaborinane
2-bromoisophthalaldehyde
2-(7-methoxynaphthalen-2-yl)benzene-1,3-dialdehyde
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane; ethanol for 4h; Suzuki-Miyaura coupling; Inert atmosphere; Reflux; | 88% |
2-bromoisophthalaldehyde
hex-1-yne
2-(hex-1-ynyl)benzene-1,3-dicarbaldehyde
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran for 1h; Sonogashira Cross-Coupling; Inert atmosphere; Reflux; | 88% |
Methyltriphenylphosphonium bromide
2-bromoisophthalaldehyde
2-bromo-1,3-diethenylbenzene
Conditions | Yield |
---|---|
Stage #1: Methyltriphenylphosphonium bromide With sodium hydride In tetrahydrofuran; mineral oil at 20℃; Cooling; Stage #2: 2-bromoisophthalaldehyde With sodium hydride In tetrahydrofuran; mineral oil at 40℃; for 1h; | 86% |
trimethyl 2-(tert-butoxycarbonylamino)phosphonoacetate
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
With [2,2]bipyridinyl; potassium phosphate; copper(l) iodide In dichloromethane at 20℃; Inert atmosphere; | 85% |
2-bromoisophthalaldehyde
trimethyl orthoformate
Conditions | Yield |
---|---|
With sulfuric acid In methanol for 1h; Reflux; | 84.2% |
2-bromoisophthalaldehyde
2,6-dimethylaniline
Conditions | Yield |
---|---|
In methanol at 20℃; for 3h; | 84% |
2-bromoisophthalaldehyde
2,6-bis(hydroxymethyl)bromobenzene
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol | 82% |
Multi-step reaction with 2 steps 1: [bis(2,6-diisopropylaniline)acenaphthene]Fe(η6-toluene) / neat (no solvent) / 1 h / 70 °C / Glovebox; Schlenk technique 2: tetrabutyl ammonium fluoride / tetrahydrofuran / 3 h / 0 - 20 °C View Scheme |
Conditions | Yield |
---|---|
With formic acid In methanol for 8h; Reflux; | 81% |
2-Biphenylboronic acid
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,4-dioxane; water at 95℃; for 3h; Suzuki Coupling; Schlenk technique; Inert atmosphere; | 81% |
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran for 1h; Sonogashira Cross-Coupling; Inert atmosphere; Reflux; | 79% |
Conditions | Yield |
---|---|
With formic acid In methanol for 8h; Reflux; | 78% |
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran at 50℃; for 5h; Schlenk technique; Inert atmosphere; | 78% |
4-chloro-aniline
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
In methanol at 20℃; for 3h; | 75% |
isopropyltriphenylphosphonium iodide
2-bromoisophthalaldehyde
Conditions | Yield |
---|---|
Stage #1: isopropyltriphenylphosphonium iodide With n-butyllithium In tetrahydrofuran at 0℃; for 0.5h; Stage #2: 2-bromoisophthalaldehyde In tetrahydrofuran at 0 - 20℃; | 74% |
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