DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:50-29-3
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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:50-29-3
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inquiryOur company was built in 2009 with an ISO certificate.In the past 5 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 on.
Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
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inquiryPrice, service, company and transport advantage: 1. best service, high quality and reasonable price 2. it's customers' right to choose the package (ems, dhl, fedex, ups); 3. it's customers' right to choose the packing way
Cas:50-29-3
Min.Order:10 Gram
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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
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
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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
Cas:50-29-3
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FOB Price: $100.0
Type:Lab/Research institutions
inquirysuperior quality Appearance:white crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:4,4'-Dichlorodiphenyltrichloroethane is a syn
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inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
high qualityAppearance:white crystalline 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
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
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inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highl
Cas:50-29-3
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inquiry50-29-3 4,4'-DDTAppearance:off-white Storage:stored in a cool, dry and ventilated place Package:as per buyer's request Application:Organic Chemicals Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to
in store Package:2ml Application:Organic Chemicals
Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Cas:50-29-3
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryQingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. Our Labo
we are suppliers we are suppliers of high quality medications, drugs, human growth hormones, pain killers and research chemicals and we offer them at very affordable prices to our customers . Discount are also applicable for bulk buyers.The shippi
1.Professional manufacturer 2.Best price 3.Fast delivery 4.Prompt before and after sale service 5.Quality guarantee 6.Reliable and truthworthy supplier Appearance:Standardized Look(Large crystal, Powder, Solid, Liquid) Storage:Room temper
Cas:50-29-3
Min.Order:1 Kilogram
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Type:Trading Company
inquiryYinghao Pharm products include: leader molecule, heterocyclic compounds,chiral compounds, photoelectric materials, biochemical reagents etc. For example:benzene, pyrimidine, boricacid,pyridine, pyrazole, imidazole, pyrrole, fluorine and other derivat
Cannabis is a natural drug (compared to a man-made synthetic one) that comes from varieties of Cannabis Sativa, which is the same plant that hemp comes from. This plant grows in various parts of the world (including the UK) and can reach up to 15 f
Best quality & Attractive price & Professional service; Trial & Pilot & CommercialHenan Fine Chemicals Co., LTD. is a diversified technology - oriented integrated company, which mainly concentrates on fine chemicals. Our company is committed to becom
Cas:50-29-3
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inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
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inquiryJoyinchem have been committed to chemical supply for several years and have built good cooperation records with multinational chemical corporations and importers from all over the world. Our services include:-Spot goods-Contract manufacturing-Custom
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inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers. Prompt reaction, good quality and best service make us reliable and outstanding in this industry.Appearance:yellow to white solid or po
Benzene,1,1'-(2,2,2-trichloroethylidene)bis[4-chloro- Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Por
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inquiry50-29-3 4,4'-DDT Application:Organic Chemicals
good quality and best price Application:intermediates
Conditions | Yield |
---|---|
In water; chlorobenzene | 93.3% |
In water; chlorobenzene | 92.1% |
Conditions | Yield |
---|---|
In 1-chloro-2-hexylbenzene; hexane; water | 89% |
Conditions | Yield |
---|---|
81.5% | |
78.4% |
Conditions | Yield |
---|---|
In 5,5-dimethyl-1,3-cyclohexadiene; decane; water | 80.3% |
chloral
chlorobenzene
A
2,2,2-trichloro-1-(4-chloro-phenyl)-ethanol
B
p,p'-DDT
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With aluminium trichloride |
chloral
chlorobenzene
A
p,p'-DDT
B
1-chloro-4-(1,2,2,2-tetrachloro-ethyl)-benzene
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid | |
With chlorosulfonic acid | |
With sulfuric acid |
Conditions | Yield |
---|---|
With fluorosulphonic acid | |
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
In tetrachloromethane at 30℃; Equilibrium constant; |
Conditions | Yield |
---|---|
In tetrachloromethane at 30℃; Equilibrium constant; |
Conditions | Yield |
---|---|
In tetrachloromethane at 30℃; Equilibrium constant; |
Conditions | Yield |
---|---|
In tetrachloromethane at 30℃; Equilibrium constant; |
Conditions | Yield |
---|---|
In tetrachloromethane at 30℃; Equilibrium constant; |
Conditions | Yield |
---|---|
With sulfuric acid for 1.5h; | A n/a B 1 g C n/a |
chloral
chlorobenzene
A
p,p'-DDT
B
tris(4-chlorophenyl)methane
C
(2-chloro-phenyl)-bis-(4-chloro-phenyl)-methane
Conditions | Yield |
---|---|
With sulfuric acid for 0.5h; Condensation; Bayer condensation; Further byproducts given; |
Conditions | Yield |
---|---|
With SiO2 In dichloromethane; ethyl acetate; N,N-dimethyl-formamide; acetonitrile; Petroleum ether |
Conditions | Yield |
---|---|
With triethanolamine; C62H80CoN7O13*1.28C41H35N7ORu(2+)*53C9H15N2(1+)*55.56CF3O2S(1-); 1-butyl-3-methylimidazolium trifluoromethanesulfonimide at 20℃; for 2h; Reagent/catalyst; Irradiation; Inert atmosphere; | 99% |
With triethanolamine; [iridium bis(2-(2,4-difluorophenyl)pyridinate) (9,10-phenanthroline)]hexafluorophosphate; heptamethyl cobyrinate perchlorate In ethanol for 3h; Catalytic behavior; Reagent/catalyst; UV-irradiation; | 93% |
With C75H101BCoF2N8O14(1+)*ClO4(1-); N-ethyl-N,N-diisopropylamine In acetonitrile for 24h; Catalytic behavior; Irradiation; Inert atmosphere; | 74% |
Conditions | Yield |
---|---|
With sodium nitrite In N,N-dimethyl-formamide at 100℃; for 2.5h; | 97% |
With KO2 In N,N-dimethyl-formamide for 1h; Ambient temperature; | 95% |
With sodium hydroxide In N,N-dimethyl-formamide at 70℃; for 1h; | 95% |
Conditions | Yield |
---|---|
With potassium hydroxide In ethylene glycol for 6h; Heating; | 92.7% |
With potassium hydroxide; ethylene glycol |
p,p'-DDT
1,1,1-trichloro-2,2-bis(4-chloro-3-chlorosulfonylphenyl)ethane
Conditions | Yield |
---|---|
With chlorosulfonic acid at 50℃; for 5h; | 90.8% |
Conditions | Yield |
---|---|
With Pd(0)/HAP; hydrogen; caesium carbonate In isopropyl alcohol at 60℃; under 7600.51 Torr; for 28h; | 87% |
Multi-step reaction with 2 steps 1: 12 percent / H2; Et3N / Pd/C / methanol / 0.5 h / 20 °C 2: 27 percent / H2; Et3N / Pd/C / methanol / 24 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 34 percent / H2; Et3N / Pd/C / methanol / 0.17 h / 20 °C 2: 27 percent / H2; Et3N / Pd/C / methanol / 24 h / 20 °C View Scheme |
p,p'-DDT
1,1-dichloro-2,2-bis(4-chloro-3-chlorosulfonylphenyl)ethylene
Conditions | Yield |
---|---|
With chlorosulfonic acid at 55℃; for 5h; | 86.6% |
Conditions | Yield |
---|---|
With [2,2]bipyridinyl; copper(l) chloride In 1,2-dichloro-ethane Inert atmosphere; Reflux; | 81% |
With tetracarbonyl nickel In N,N-dimethyl-formamide | |
Multi-step reaction with 2 steps 1: zinc; concentrated aqueous HCl; ethanol 2: NaOH View Scheme |
2-methoxy-ethanol
p,p'-DDT
A
benzhydryl methyl ether
B
1-(4-chlorophenyl)-1-phenylethane
Conditions | Yield |
---|---|
With sodium tetrahydroborate; nickel dichloride In isopropyl alcohol for 6h; Product distribution; Further Variations:; Reagents; the ratio of the reagents; Dehalogenation; Heating; | A 80% B 10% |
Conditions | Yield |
---|---|
With C75H101BCoF2N8O14(1+)*ClO4(1-); N-ethyl-N,N-diisopropylamine for 24h; Catalytic behavior; Reagent/catalyst; Wavelength; Irradiation; | 72% |
Conditions | Yield |
---|---|
With hydrogen; triethylamine; palladium on activated charcoal In methanol at 20℃; for 4h; | A 69% B 31% |
p,p'-DDT
A
(E)-1,1,4,4-tetrakis(4-chlorophenyl)-2,3-dichloro-2-butene
B
1,1-Dichloro-2,2-bis(p-chlorophenyl)ethane
C
ethyl 2,2-bis(4-chlorophenyl)acetate
Conditions | Yield |
---|---|
With [(1,10-phenanthroline)bis(2-phenylpyridinato-C2,N)iridium(III)] hexafluorophosphate; triethanolamine; heptamethyl cobyrinate perchlorate In ethanol for 3h; Catalytic behavior; Reagent/catalyst; UV-irradiation; | A 7% B 67% C 9% |
p,p'-DDT
A
1,1-Dichloro-2,2-bis(p-chlorophenyl)ethane
B
1,1-bis(4-chlorophenyl)ethane
Conditions | Yield |
---|---|
With hydrogen; triethylamine; palladium on activated charcoal In methanol at 20℃; for 0.166667h; | A 34% B 66% |
Conditions | Yield |
---|---|
With C75H101BCoF2N8O14(1+)*ClO4(1-); N-ethyl-N,N-diisopropylamine In acetonitrile for 24h; Irradiation; | 66% |
With heptamethyl Coβ-perchlorato-cob(II)yrinate; (4,4'-di-tert-butyl-2,2'-dipyridyl)-bis-(2-phenylpyridine(-1H))-iridium(III) hexafluorophosphate; N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 3h; Irradiation; | 29 %Chromat. |
p,p'-DDT
cyclohexylmethyl magnesium bromide
A
1,1-Dichloro-2,2-bis(p-chlorophenyl)ethane
B
(Z)-1,1,4,4-tetrakis(4-chlorophenyl)-2,3-dichloro-2-butene
Conditions | Yield |
---|---|
In diethyl ether for 1h; Heating; | A 63% B 26% |
Conditions | Yield |
---|---|
With C75H101BCoF2N8O14(1+)*ClO4(1-); N-ethyl-N,N-diisopropylamine for 24h; Irradiation; | 62% |
at 20℃; for 6h; UV-irradiation; | 56% |
Conditions | Yield |
---|---|
With C75H101BCoF2N8O14(1+)*ClO4(1-); N-ethyl-N,N-diisopropylamine In acetonitrile for 24h; Irradiation; | 61% |
p,p'-DDT
A
1,1-bis(4-chlorophenyl)-2,2-dichloroethylene
B
4,4'-Dichlorobenzophenone
Conditions | Yield |
---|---|
With bromine; oxygen In tetrachloromethane for 168h; light; | A n/a B 60% |
With tetraethylammonium perchlorate; superoxide-ion In N,N-dimethyl-formamide at 25℃; Rate constant; Product distribution; stoichiometry of the reaction, amount of the oxidant dependence; |
Conditions | Yield |
---|---|
With heptamethyl Coβ-perchlorato-cob(II)yrinate; tetrabutylammonium perchlorate In acetonitrile at 20℃; for 3h; Electrolysis; | 60% |
p,p'-DDT
A
(E)-1,2-di(4-chlorophenyl)ethene
B
1,1-bis(4-chlorophenyl)-2,2-dichloroethylene
C
1,1-Dichloro-2,2-bis(p-chlorophenyl)ethane
Conditions | Yield |
---|---|
With sodium tetrahydroborate; cyanocobalamin In methanol; water for 1h; | A 44% B 20% C 18% |
p,p'-DDT
A
1-chloro-2,2-bis(p-chlorophenyl)ethylene
B
1-chloro-2,2-bis(p-chlorophenyl)ethane
C
methyl 2,2-bis(4-chlorophenyl) acetate
D
(Z)-1,1,4,4-tetrakis(4-chlorophenyl)-2,3-dichloro-2-butene
Conditions | Yield |
---|---|
With triethanolamine for 0.5h; Catalytic behavior; Wavelength; Irradiation; | A 40% B 13% C 6% D 20% |
Conditions | Yield |
---|---|
With C75H101BCoF2N8O14(1+)*ClO4(1-); N-ethyl-N,N-diisopropylamine for 24h; Irradiation; | 40% |
methanol
p,p'-DDT
A
1,1-Dichloro-2,2-bis(p-chlorophenyl)ethane
B
1,1-bis(4-chlorophenyl)ethane
C
1,1-dichloro-2-(4-chlorophenyl)-2-phenylethane
D
methyl 2,2-bis(4-chlorophenyl) acetate
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal at 20℃; for 24h; | A 21% B 38% C 4% D 18% E n/a |
meso-tetraphenylporphyrin iron(III) chloride
p,p'-DDT
iron
Conditions | Yield |
---|---|
In methanol; dichloromethane inert atmosphere; dissoln. of Fe-complex in CH2Cl2/MeOH=9:1 in presence of excess Fe-powder, addn. of 2 equiv. DDT; filtration, evapn., repeated recrystn. (CHCl3/MeOH), washing (hot petroleum ether); | 37% |
p,p'-DDT
A
1,1-Dichloro-2,2-bis(p-chlorophenyl)ethane
B
(Z)-1,1,4,4-tetrakis(4-chlorophenyl)-2,3-dichloro-2-butene
Conditions | Yield |
---|---|
With triethanolamine for 0.166667h; Catalytic behavior; Reagent/catalyst; Wavelength; UV-irradiation; | A 35% B 9% |
With diethyl ether; methylmagnesium bromide | |
With methylmagnesium bromide; methoxybenzene |
p,p'-DDT
phenol
A
1,1-bis(4-chlorophenyl)-2,2-dichloroethylene
B
1,1-di(p-chlorophenyl)-2,2-di(p-hydroxyphenyl)ethylene
Conditions | Yield |
---|---|
zinc(II) chloride at 150℃; for 2h; Product distribution; other catalysts (Zn-DMF, Zn-DMAA); | A 70 g B 34.7% |
zinc(II) chloride at 150℃; for 2h; | A 70 g B 34.7% |
p,p'-DDT
A
1,1'-ethylidenebis-benzene
B
1,1-Dichloro-2,2-bis(p-chlorophenyl)ethane
C
1,1-bis(4-chlorophenyl)ethane
D
1-(4-chlorophenyl)-1-phenylethane
Conditions | Yield |
---|---|
With hydrogen; triethylamine; palladium on activated charcoal In methanol at 20℃; for 0.5h; | A 15% B 12% C 29% D 30% E n/a F n/a |
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