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:128-66-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:128-66-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryVat Yellow 4 CAS:128-66-5 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:128-66-5
Min.Order:1 Gram
Negotiable
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:128-66-5
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
Cas:128-66-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:128-66-5
Min.Order:0
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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:128-66-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryhigh 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
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:128-66-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystals powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as
Dibenzo[b,def]chrysene-7,14-dione cas 128-66-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:128-66-5
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl
Cas:128-66-5
Min.Order:1 Gram
FOB Price: $1.0 / 2.0
Type:Trading Company
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
Cas:128-66-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryShanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por
Dibenzo[b,def]chrysene-7,14-dione 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. Port:Shanghai/Shenzhen
Supply top quality products with a reasonable price Application:api
Dibenzo[b,def]chrysene-7,14-dioneAppearance:Off white to slight yellow solid Storage:Stored in shaded, cool and dry places Package:1L 5L 10L 25L bottle Application:pharma intermediate Transportation:Handle with cares to avoid damaging the packages. P
high purity Application:Drug intermediates Materials intermediates and active molecules
dibenz[a,h]pyrene
A
dibenzo[b,def]chrysene-7,14-dione
B
Acetic acid dibenzo[b,def]chrysen-7-yl ester
C
Acetic acid 14-acetoxy-dibenzo[b,def]chrysen-7-yl ester
Conditions | Yield |
---|---|
In acetic acid; benzene at 40℃; for 4h; | A n/a B 47% C 10% |
In acetic acid; benzene at 40℃; Rate constant; |
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
With tetrafluoroboric acid; Barluenga reagent In diethyl ether; dichloromethane at -60℃; for 18h; | 31% |
meta-dinitrobenzene
1,5-dibenzoylnaphthalene
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
With aluminium trichloride; sodium chloride at 160℃; |
1,5-dibenzoylnaphthalene
sodium 3-nitrobenzenesulfonate
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
With aluminium trichloride; sodium chloride at 160℃; |
Conditions | Yield |
---|---|
With aluminium trichloride; sodium chloride at 120 - 130℃; Einleiten von Luft oder Sauerstoff; | |
With aluminium trichloride; sodium chloride at 120 - 130℃; Einleiten von Luft oder Sauerstoff; | |
With aluminium trichloride at 170 - 195℃; |
Conditions | Yield |
---|---|
With aluminium trichloride; sodium chloride at 120 - 130℃; Einleiten von Luft oder Sauerstoff; | |
With aluminium trichloride at 180℃; | |
With aluminium trichloride; sodium chloride at 120 - 130℃; Einleiten von Luft oder Sauerstoff; |
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
With quinoline; potassium hydroxide |
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
With hydrogenchloride Diazotization.Behandeln mit wss. H2O2 oder mit heisser wss. (oder aethanol.) Blei(IV)-acetat-Loesung; | |
With hydrogenchloride; water Diazotization.Bestrahlen mit UV-Licht; |
Conditions | Yield |
---|---|
With aluminium trichloride at 115 - 130℃; | |
With aluminium trichloride; sodium chloride at 115 - 130℃; |
7H-benz[d,e]anthracene-7-one
benzoyl chloride
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
With aluminium trichloride; sodium 3-nitrobenzenesulfonate | |
With aluminium trichloride; zinc(II) chloride at 155℃; | |
With aluminium trichloride at 115 - 120℃; |
1-benzoylnaphthalene
benzoic acid anhydride
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
With aluminium trichloride at 115 - 130℃; | |
With aluminium trichloride; sodium chloride at 115 - 130℃; |
7H-benz[d,e]anthracene-7-one
benzoic acid anhydride
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
With aluminium trichloride | |
With aluminium trichloride; sodium chloride at 120 - 130℃; |
7,14-dioxo-7,14-dihydro-dibenzo[b,def]chrysene-2,3-dicarboxylic acid anhydride
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
With quinoline; copper; copper(l) chloride Heating; |
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
With sodium cyanide at 350℃; | |
With potassium acetate at 350℃; | |
With sodium carbonate at 350℃; | |
With potassium phtalimide at 350℃; | |
With quinoline; potassium hydroxide |
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
With sodium cyanide at 350℃; | |
With potassium acetate at 350℃; | |
With sodium carbonate at 350℃; | |
With potassium phtalimide at 350℃; |
aluminium trichloride
1,5-dibenzoylnaphthalene
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
at 170 - 195℃; |
aluminium trichloride
3-benzoyl-benz[de]anthracen-7-one
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
at 180℃; |
2-formylbenzene boronic acid
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 47 percent / Pd(PPh3)4; K3PO4 / 1,2-dimethoxy-ethane / 48 h / 80 °C 2: 74 percent / IPy2BF4; HBF4 / CH2Cl2; diethyl ether / 20 h / -60 °C 3: 31 percent / IPy2BF4; HBF4 / CH2Cl2; diethyl ether / 18 h / -60 °C View Scheme |
2,2'-(naphthalene-1,5-diyl)dibenzaldehyde
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 74 percent / IPy2BF4; HBF4 / CH2Cl2; diethyl ether / 20 h / -60 °C 2: 31 percent / IPy2BF4; HBF4 / CH2Cl2; diethyl ether / 18 h / -60 °C View Scheme |
A
dibenzo[b,def]chrysene-7,14-dione
B
Benzindeno<2,1-b>anthracen-8,10-dion
Conditions | Yield |
---|---|
With methanesulfonic acid; trifluorormethanesulfonic acid at 140℃; Friedel-Crafts Acylation; |
dibenzo[b,def]chrysene-7,14-dione
tris-iso-propylsilyl acetylene
7,14-bis((triisopropylsilyl)ethynyl)dibenzo[b,def ]chrysene
Conditions | Yield |
---|---|
Stage #1: tris-iso-propylsilyl acetylene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.533333h; Inert atmosphere; Stage #2: dibenzo[b,def]chrysene-7,14-dione In tetrahydrofuran; hexane at -78 - 20℃; for 16h; Inert atmosphere; Stage #3: With hydrogenchloride; tin(ll) chloride In tetrahydrofuran; hexane; water at 20℃; for 2h; Inert atmosphere; | 60% |
Conditions | Yield |
---|---|
Stage #1: trimethylsilylacetylene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.533333h; Inert atmosphere; Stage #2: dibenzo[b,def]chrysene-7,14-dione In tetrahydrofuran; hexane at -78 - 20℃; for 16h; Inert atmosphere; Stage #3: With hydrogenchloride; tin(ll) chloride In tetrahydrofuran; hexane; water at 20℃; for 2h; Inert atmosphere; | 45% |
dibenzo[b,def]chrysene-7,14-dione
2-ethynyl-1,1,1,3,3,3-hexamethyl-2-(trimethylsilyl)trisilane
Conditions | Yield |
---|---|
Stage #1: 2-ethynyl-1,1,1,3,3,3-hexamethyl-2-(trimethylsilyl)trisilane With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.533333h; Inert atmosphere; Stage #2: dibenzo[b,def]chrysene-7,14-dione In tetrahydrofuran; hexane at -78 - 20℃; for 16h; Inert atmosphere; Stage #3: With hydrogenchloride; tin(ll) chloride In tetrahydrofuran; hexane; water at 20℃; for 2h; Inert atmosphere; | 43% |
2-triethylsilylacetylene
dibenzo[b,def]chrysene-7,14-dione
7,14-bis((triethylsilyl)ethynyl)dibenzo[b,def ]chrysene
Conditions | Yield |
---|---|
Stage #1: 2-triethylsilylacetylene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.533333h; Inert atmosphere; Stage #2: dibenzo[b,def]chrysene-7,14-dione In tetrahydrofuran; hexane at -78 - 20℃; for 16h; Inert atmosphere; Stage #3: With hydrogenchloride; tin(ll) chloride In tetrahydrofuran; hexane; water at 20℃; for 2h; Inert atmosphere; | 42% |
Conditions | Yield |
---|---|
Stage #1: 3,3-Dimethylbut-1-yne With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.533333h; Inert atmosphere; Stage #2: dibenzo[b,def]chrysene-7,14-dione In tetrahydrofuran; hexane at -78 - 20℃; for 16h; Inert atmosphere; Stage #3: With hydrogenchloride; tin(ll) chloride In tetrahydrofuran; hexane; water at 20℃; for 2h; Inert atmosphere; | 37% |
(tert-butyldimethylsilyl)acetylene
dibenzo[b,def]chrysene-7,14-dione
Conditions | Yield |
---|---|
Stage #1: (tert-butyldimethylsilyl)acetylene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.533333h; Inert atmosphere; Stage #2: dibenzo[b,def]chrysene-7,14-dione In tetrahydrofuran; hexane at -78 - 20℃; for 16h; Inert atmosphere; Stage #3: With hydrogenchloride; tin(ll) chloride In tetrahydrofuran; hexane; water at 20℃; for 2h; Inert atmosphere; | 34% |
dibenzo[b,def]chrysene-7,14-dione
A
indeno[123-cd]fluoranthene
B
13H-naphto<3,2,1-cd>fluoranthene-13-one
Conditions | Yield |
---|---|
at 1200℃; | A 17% B 4.5% |
at 1200℃; Product distribution; further temp., vacuum flow app.; | A 17% B 4.5% |
dibenzo[b,def]chrysene-7,14-dione
dibenzo[b,def]chrysene-7,14-diol
Conditions | Yield |
---|---|
With sodium hydroxide; nickel at 55℃; Hydrogenation; |
dibenzo[b,def]chrysene-7,14-dione
hydrogen iodide
7,14-dihydro-dibenzo[b,def]chrysene
Conditions | Yield |
---|---|
at 190 - 200℃; |
Conditions | Yield |
---|---|
at 280℃; |
dibenzo[b,def]chrysene-7,14-dione
A
7,14-dihydro-dibenzo[b,def]chrysene
B
dibenz[a,h]pyrene
Conditions | Yield |
---|---|
at 280℃; |
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