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Dayang Chem (Hangzhou) Co.,Ltd.

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

Dibenzo[b,def]chrysene-7,14-dione

Cas:128-66-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.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

Dibenzo[b,def]chrysene-7,14-dione 128-66-5

Cas:128-66-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Vat 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,

Vat Yellow 4 CAS:128-66-5

Cas:128-66-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

Dibenzo[b,def]chrysene-7,14-dione

Cas:128-66-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

Dibenzo[b,def]chrysene-7,14-dione

Cas:128-66-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

Vat Yellow 4

Cas:128-66-5

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

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

Dibenzo[b,def]chrysene-7,14-dione

Cas:128-66-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo 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

Dibenzo[b,def]chrysene-7,14-dione

Cas:128-66-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Xi`an Eastling Biotech Co., Ltd.

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

Vat Yellow 4

Cas:128-66-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

Vat Yellow 4

Cas:128-66-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

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

Dibenzo[b,def]chrysene-7,14-dione

Cas:128-66-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

best seller Application:API

Vat Yellow 4

Cas:128-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

BOC Sciences

We 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

Vat Yellow 4

Cas:128-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

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

Dibenzo[b,def]chrysene-7,14-dione cas 128-66-5

Cas:128-66-5

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Vat Yellow 4

Cas:128-66-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

128-66-5

Cas:128-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

Vat Yellow 4

Cas:128-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Vat Yellow 4

Cas:128-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Jilin haofei import and export trade Co.,Ltd

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

CSR160805-21010 CAS NO.128-66-5

Cas:128-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

HuBei Ipure Biotech CO.,ltd

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

Dibenzo[b,def]chrysene-7,14-dione.

Cas:128-66-5

Min.Order:1 Gram

FOB Price: $1.0 / 2.0

Type:Trading Company

inquiry

Shanghai united Scientific Co.,Ltd.

United 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

Dibenzo[b,def]chrysene-7,14-dione

Cas:128-66-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Run-Biotech Co., Ltd.

Shanghai, 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

Vat Yellow 4

Cas:128-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Nanjing Raymon Biotech Co., Ltd.

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

Dibenzo[b,def]chrysene-7,14-dione

Cas:128-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Skyrun Industrial Co.,Ltd

Purity, Strength, Price Application:dye intermediate

CSR160805-12168

Cas:128-66-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Ruishun Trade Co.,Ltd

Supply top quality products with a reasonable price Application:api

128-66-5

Cas:128-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemical Co.Ltd

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

Dibenzo[b,def]chrysene-7,14-dione

Cas:128-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NovaChemistry

high purity Application:Drug intermediates Materials intermediates and active molecules

C.I. Vat Yellow 4

Cas:128-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Huixian Quanxi Chemical Factory

Vat Yellow 4

Vat Yellow 4

Cas:128-66-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Liberty Dyes and Intermediates Ltd.

Dibenzo[b,def]chrysene-7,14-dione

Cas:128-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Milestone Catalyst Pvt. Ltd.

Dibenzo[b,def]chrysene-7,14-dione

Cas:128-66-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

dibenz[a,h]pyrene
189-64-0

dibenz[a,h]pyrene

Mangantriacetat

Mangantriacetat

A

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

B

Acetic acid dibenzo[b,def]chrysen-7-yl ester
141396-59-0

Acetic acid dibenzo[b,def]chrysen-7-yl ester

C

Acetic acid 14-acetoxy-dibenzo[b,def]chrysen-7-yl ester
141396-63-6

Acetic acid 14-acetoxy-dibenzo[b,def]chrysen-7-yl ester

Conditions
ConditionsYield
In acetic acid; benzene at 40℃; for 4h;A n/a
B 47%
C 10%
In acetic acid; benzene at 40℃; Rate constant;
4-(2-formylphenyl)-7H-benzo[de]anthracen-7-one

4-(2-formylphenyl)-7H-benzo[de]anthracen-7-one

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
With tetrafluoroboric acid; Barluenga reagent In diethyl ether; dichloromethane at -60℃; for 18h;31%
meta-dinitrobenzene
99-65-0

meta-dinitrobenzene

1,5-dibenzoylnaphthalene
83-80-7

1,5-dibenzoylnaphthalene

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
With aluminium trichloride; sodium chloride at 160℃;
1,5-dibenzoylnaphthalene
83-80-7

1,5-dibenzoylnaphthalene

sodium 3-nitrobenzenesulfonate
127-68-4

sodium 3-nitrobenzenesulfonate

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
With aluminium trichloride; sodium chloride at 160℃;
1,5-dibenzoylnaphthalene
83-80-7

1,5-dibenzoylnaphthalene

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
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℃;
3-benzoyl-benz[de]anthracen-7-one
6535-66-6

3-benzoyl-benz[de]anthracen-7-one

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
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;
1,5-dibenzoyl-4,8-dichloro-naphthalene

1,5-dibenzoyl-4,8-dichloro-naphthalene

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
With quinoline; potassium hydroxide
1,5-dianthraniloyl-naphthalene

1,5-dianthraniloyl-naphthalene

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
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;
1-benzoylnaphthalene
642-29-5

1-benzoylnaphthalene

benzoyl chloride
98-88-4

benzoyl chloride

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
With aluminium trichloride at 115 - 130℃;
With aluminium trichloride; sodium chloride at 115 - 130℃;
7H-benz[d,e]anthracene-7-one
82-05-3

7H-benz[d,e]anthracene-7-one

benzoyl chloride
98-88-4

benzoyl chloride

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
With aluminium trichloride; sodium 3-nitrobenzenesulfonate
With aluminium trichloride; zinc(II) chloride at 155℃;
With aluminium trichloride at 115 - 120℃;
1-benzoylnaphthalene
642-29-5

1-benzoylnaphthalene

benzoic acid anhydride
93-97-0

benzoic acid anhydride

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
With aluminium trichloride at 115 - 130℃;
With aluminium trichloride; sodium chloride at 115 - 130℃;
7H-benz[d,e]anthracene-7-one
82-05-3

7H-benz[d,e]anthracene-7-one

benzoic acid anhydride
93-97-0

benzoic acid anhydride

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
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
4378-57-8

7,14-dioxo-7,14-dihydro-dibenzo[b,def]chrysene-2,3-dicarboxylic acid anhydride

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
With quinoline; copper; copper(l) chloride Heating;
1.5-bis-<2-bromo-benzoyl>-naphthalene

1.5-bis-<2-bromo-benzoyl>-naphthalene

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
With sodium cyanide at 350℃;
With potassium acetate at 350℃;
With sodium carbonate at 350℃;
With potassium phtalimide at 350℃;
With quinoline; potassium hydroxide
1.5-bis-<2-chloro-benzoyl>-naphthalene

1.5-bis-<2-chloro-benzoyl>-naphthalene

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
With sodium cyanide at 350℃;
With potassium acetate at 350℃;
With sodium carbonate at 350℃;
With potassium phtalimide at 350℃;
aluminium trichloride
7446-70-0

aluminium trichloride

1,5-dibenzoylnaphthalene
83-80-7

1,5-dibenzoylnaphthalene

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
at 170 - 195℃;
aluminium trichloride
7446-70-0

aluminium trichloride

3-benzoyl-benz[de]anthracen-7-one
6535-66-6

3-benzoyl-benz[de]anthracen-7-one

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
at 180℃;
2-formylbenzene boronic acid
40138-16-7

2-formylbenzene boronic acid

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
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
898821-48-2

2,2'-(naphthalene-1,5-diyl)dibenzaldehyde

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

Conditions
ConditionsYield
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
C28H24O4

C28H24O4

A

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

B

Benzindeno<2,1-b>anthracen-8,10-dion
27921-59-1

Benzindeno<2,1-b>anthracen-8,10-dion

Conditions
ConditionsYield
With methanesulfonic acid; trifluorormethanesulfonic acid at 140℃; Friedel-Crafts Acylation;
dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

tris-iso-propylsilyl acetylene
89343-06-6

tris-iso-propylsilyl acetylene

7,14-bis((triisopropylsilyl)ethynyl)dibenzo[b,def ]chrysene
1201792-81-5

7,14-bis((triisopropylsilyl)ethynyl)dibenzo[b,def ]chrysene

Conditions
ConditionsYield
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%
dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

7,14-bis((trimethylsilyl)ethynyl)dibenzo[b,def]chrysene

7,14-bis((trimethylsilyl)ethynyl)dibenzo[b,def]chrysene

Conditions
ConditionsYield
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
128-66-5

dibenzo[b,def]chrysene-7,14-dione

2-ethynyl-1,1,1,3,3,3-hexamethyl-2-(trimethylsilyl)trisilane
73022-81-8

2-ethynyl-1,1,1,3,3,3-hexamethyl-2-(trimethylsilyl)trisilane

7,14-bis(tris(trimethylsilyl)ethynyl)dibenzo[b,def]chrysene

7,14-bis(tris(trimethylsilyl)ethynyl)dibenzo[b,def]chrysene

Conditions
ConditionsYield
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
1777-03-3

2-triethylsilylacetylene

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

7,14-bis((triethylsilyl)ethynyl)dibenzo[b,def ]chrysene
1201792-82-6

7,14-bis((triethylsilyl)ethynyl)dibenzo[b,def ]chrysene

Conditions
ConditionsYield
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%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

7,14-bis((tertbutyl)ethynyl)dibenzo[b,def]chrysene

7,14-bis((tertbutyl)ethynyl)dibenzo[b,def]chrysene

Conditions
ConditionsYield
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
86318-61-8

(tert-butyldimethylsilyl)acetylene

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

7,14-bis((tertbutyldimethylsilyl)ethynyl)dibenzo[b,def]chrysene

7,14-bis((tertbutyldimethylsilyl)ethynyl)dibenzo[b,def]chrysene

Conditions
ConditionsYield
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
128-66-5

dibenzo[b,def]chrysene-7,14-dione

A

indeno[123-cd]fluoranthene
193-43-1

indeno[123-cd]fluoranthene

B

13H-naphto<3,2,1-cd>fluoranthene-13-one
13227-56-0

13H-naphto<3,2,1-cd>fluoranthene-13-one

Conditions
ConditionsYield
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
128-66-5

dibenzo[b,def]chrysene-7,14-dione

dibenzo[b,def]chrysene-7,14-diol
36867-56-8

dibenzo[b,def]chrysene-7,14-diol

Conditions
ConditionsYield
With sodium hydroxide; nickel at 55℃; Hydrogenation;
dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

hydrogen iodide
10034-85-2

hydrogen iodide

red phosphorus

red phosphorus

7,14-dihydro-dibenzo[b,def]chrysene
7350-86-9

7,14-dihydro-dibenzo[b,def]chrysene

Conditions
ConditionsYield
at 190 - 200℃;
dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

zinc-powder

zinc-powder

dibenz[a,h]pyrene
189-64-0

dibenz[a,h]pyrene

dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

zinc-powder

zinc-powder

water containing ZnCl2

water containing ZnCl2

NaCl

NaCl

dibenz[a,h]pyrene
189-64-0

dibenz[a,h]pyrene

Conditions
ConditionsYield
at 280℃;
dibenzo[b,def]chrysene-7,14-dione
128-66-5

dibenzo[b,def]chrysene-7,14-dione

zinc-powder

zinc-powder

water containing ZnCl2

water containing ZnCl2

NaCl

NaCl

A

7,14-dihydro-dibenzo[b,def]chrysene
7350-86-9

7,14-dihydro-dibenzo[b,def]chrysene

B

dibenz[a,h]pyrene
189-64-0

dibenz[a,h]pyrene

Conditions
ConditionsYield
at 280℃;

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