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Dayang Chem (Hangzhou) Co.,Ltd.

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

Dibenzo[def,p]chrysene

Cas:191-30-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

DIBENZO(A,I)PYRENE

Cas:191-30-0

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

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

Wholesale price CAS 191-30-0 with best price

Cas:191-30-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

Dibenzo[def,p]chrysene

Cas:191-30-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

DIBENZO(A,I)PYRENE CAS:191-30-0 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 organic intermed

DIBENZO(A,I)PYRENE CAS:191-30-0

Cas:191-30-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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[def,p]chrysene

Cas:191-30-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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[def,p]chrysene

Cas:191-30-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,

Dibenzo[def,p]chrysene CAS NO.191-30-0

Cas:191-30-0

Min.Order:10 Metric Ton

Negotiable

Type:Trading Company

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

Dibenzo(A,I)Pyrene

Cas:191-30-0

Min.Order:0

Negotiable

Type:Manufacturers

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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[def,p]chrysene

Cas:191-30-0

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(A,I)Pyrene

Cas:191-30-0

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Dibenzo[def,p]chrysene dibenzo[a,l]pyrene CAS No.: 191-30-0 Synonyms: 1,2,3,4-Dibenzpyrene; 1,2,9,10-Dibenzopyrene; Dibenzo[def,p]chrysene; 1,2:3,4-Dibenzopyrene; Dibenzo[a,l]pyrene; Dibenz<al>pyrene; dibenzo<def,p>crysene;

CAS191-30-0 dibenzo[a,l]pyrene

Cas:191-30-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hangzhou Huarong Pharm Co., Ltd.

Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu

Dibenzo(A,L)Pyrene

Cas:191-30-0

Min.Order:0

Negotiable

Type:Trading Company

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KAISA GROUP INC

1.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

Dibenzo[def,p]chrysene CAS NO.191-30-0 CAS NO.191-30-0

Cas:191-30-0

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

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GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

Dibenzo[a,l]pyrene

Cas:191-30-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

DIBENZO(A,I)PYRENE

Cas:191-30-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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[def,p]chrysene

Cas:191-30-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hangzhou Fandachem Co.,Ltd

Dibenzo[def,p]chrysene cas 191-30-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Dibenzo[def,p]chrysene cas 191-30-0

Cas:191-30-0

Min.Order:0

Negotiable

Type:Other

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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

DIBENZO(A,I)PYRENE

Cas:191-30-0

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

191-30-0

Cas:191-30-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Yuanye Bio-Technology Co., Ltd.

Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica

DIBENZO(A,I)PYRENE manufacturer

Cas:191-30-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

Henan Sunlake Enterprise Corporation Our Advantages 1, Any inquiry about ch

DIBENZO(A,I)PYRENE

Cas:191-30-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

HuBei Ipure Biotech CO.,ltd

More than 8 years chemical exporting experience. We have produced chemical more than 8 years., 90% products are for export . More than 8 years chemical exporting experience. best service and unbeatable price! Appearance:Yellow powder Storage:Store

Dibenzo[def,p]chrysene

Cas:191-30-0

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

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

Dibenzo[def,p]chrysene CAS NO.191-30-0 CAS NO.191-30-0

Cas:191-30-0

Min.Order:0

Negotiable

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[def,p]chrysene

Cas:191-30-0

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

DIBENZO(A,I)PYRENE

Cas:191-30-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Finetech Industry Limited

FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the Dibenzo[def,p]chrysene, CAS:191-30-0 with the most competitive price and the best qua

Dibenzo[def,p]chrysene

Cas:191-30-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Nanjing Raymon Biotech Co., Ltd.

Dibenzo[def,p]chrysene 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[def,p]chrysene

Cas:191-30-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Ruishun Trade Co.,Ltd

Supply top quality products with a reasonable price Application:api

191-30-0

Cas:191-30-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemical Co.Ltd

Dibenzo[def,p]chryseneAppearance: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. Protect them

Dibenzo[def,p]chrysene

Cas:191-30-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

N-[2-(5,6-dihydro-4H-benz[de]anthracen-7-yl)benzylidene]aniline

N-[2-(5,6-dihydro-4H-benz[de]anthracen-7-yl)benzylidene]aniline

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Conditions
ConditionsYield
Stage #1: N-[2-(5,6-dihydro-4H-benz[de]anthracen-7-yl)benzylidene]aniline With potassium hydroxide In N,N-dimethyl-formamide at 100℃; for 1h;
Stage #2: With 2,3-dicyano-5,6-dichloro-p-benzoquinone In benzene for 0.5h; Heating;
88%
9-(2-methoxy-vinyl)-benzo[g]chrysene
1013933-57-7

9-(2-methoxy-vinyl)-benzo[g]chrysene

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Conditions
ConditionsYield
With methanesulfonic acid In dichloromethane at 20℃; for 2.5h;75%
Pentahelicen-3-carbonsaeure-methylester
13322-54-8

Pentahelicen-3-carbonsaeure-methylester

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Conditions
ConditionsYield
ueber Dibenzo<def,p>chrysen-8-ol;
benz[a]anthracene
56-55-3

benz[a]anthracene

benzene
71-43-2

benzene

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Conditions
ConditionsYield
With aluminium trichloride; ortho-toluoyl chloride
1-Phenylbenzanthracen
10383-87-6

1-Phenylbenzanthracen

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Conditions
ConditionsYield
With aluminium trichloride; tin(IV) chloride
C24H14O
17181-10-1

C24H14O

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Conditions
ConditionsYield
With sodium chloride; zinc(II) chloride; zinc
12-phenyl-benz[a]anthracene
7424-73-9

12-phenyl-benz[a]anthracene

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Conditions
ConditionsYield
With aluminium trichloride
1,10-trimethylenephenanthrene
4389-09-7

1,10-trimethylenephenanthrene

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: 86 percent / Br2 / CCl4 / 2 h / Heating
2.1: 61 percent / CsF / Pd(PPh3)4 / dimethylformamide / 24 h
3.1: 96 percent / molecular sieves 4 Angstroem / CH2Cl2 / 4 h
4.1: KOH / dimethylformamide / 1 h / 100 °C
4.2: 88 percent / DDQ / benzene / 0.5 h / Heating
View Scheme
7-bromo-5,6-dihydro-4H-benz[de]anthracene
681215-15-6

7-bromo-5,6-dihydro-4H-benz[de]anthracene

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: 61 percent / CsF / Pd(PPh3)4 / dimethylformamide / 24 h
2.1: 96 percent / molecular sieves 4 Angstroem / CH2Cl2 / 4 h
3.1: KOH / dimethylformamide / 1 h / 100 °C
3.2: 88 percent / DDQ / benzene / 0.5 h / Heating
View Scheme
7-(2-formylphenyl)-5,6-dihydro-4H-benz[de]anthracene
681215-16-7

7-(2-formylphenyl)-5,6-dihydro-4H-benz[de]anthracene

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 96 percent / molecular sieves 4 Angstroem / CH2Cl2 / 4 h
2.1: KOH / dimethylformamide / 1 h / 100 °C
2.2: 88 percent / DDQ / benzene / 0.5 h / Heating
View Scheme
1-Phenyl-3,4-dihydro-benzo[a]anthracene
29568-49-8

1-Phenyl-3,4-dihydro-benzo[a]anthracene

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: DDQ
2: AlCl3, SnCl4
View Scheme
phenylmagnesium bromide

phenylmagnesium bromide

biacetyl monooxime

biacetyl monooxime

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: (i), (ii) (heating)
2: DDQ
3: AlCl3, SnCl4
View Scheme
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

Mangantriacetat

Mangantriacetat

C26H16O2
141396-61-4

C26H16O2

Conditions
ConditionsYield
In acetic acid; benzene at 40℃; for 4h;86%
In acetic acid; benzene at 40℃; Rate constant; Mechanism;
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

dibenzo[a,l]pyrene-8,9-quinone
226420-31-1

dibenzo[a,l]pyrene-8,9-quinone

Conditions
ConditionsYield
With sodium periodate; rhodium(III) chloride hydrate In dichloromethane; water; acetonitrile at 30 - 40℃;58%
Multi-step reaction with 2 steps
1.1: OsO4 / pyridine / 144 h / 20 °C
1.2: NaHSO4 / 1 h / 20 °C
2.1: 2,3-dichloro-5,6-dicyano-p-benzoquinone / dioxane / 168 h / under argon atmosphere
View Scheme
Multi-step reaction with 2 steps
1: OsO4 / pyridine / 168 h / 25 °C
2: DDQ / dioxane / 15 h / Heating
View Scheme
Conditions
ConditionsYield
With potassium perchlorate In N,N-dimethyl-formamide for 2h; Electrochemical reaction;A 2%
B 5%
C 47%
D 6%
With potassium perchlorate In dimethyl sulfoxide for 2h; Electrochemical reaction;A 1%
B 9%
C 44%
D 3%
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

2'-deoxy-D-adenosine
958-09-8

2'-deoxy-D-adenosine

A

C29H17N5

C29H17N5

B

C29H17N5

C29H17N5

C

C34H25N5O3

C34H25N5O3

Conditions
ConditionsYield
With potassium perchlorate In N,N-dimethyl-formamide for 2h; Electrochemical reaction;A 3%
B 25%
C 26%
2-amino-1,9-dihydro-6H-purin-6-one
73-40-5

2-amino-1,9-dihydro-6H-purin-6-one

Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

A

C29H17N5O

C29H17N5O

B

8-(10-dibenzo[def,p]chrysenyl)guanine

8-(10-dibenzo[def,p]chrysenyl)guanine

Conditions
ConditionsYield
With iodine; silver perchlorate In dimethyl sulfoxide Product distribution; Further Variations:; Reagents; Solvents; Iodine oxidation; nucleophilic substitution;A 23 % Chromat.
B 8 % Chromat.
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

2'-Deoxyguanosine
961-07-9

2'-Deoxyguanosine

C29H17N5O

C29H17N5O

Conditions
ConditionsYield
With iodine; silver perchlorate In N,N-dimethyl-formamide Product distribution; Further Variations:; Reagents; Solvents; Iodine oxidation; nucleophilic substitution;43 % Chromat.
Conditions
ConditionsYield
With iodine; silver perchlorate In N,N-dimethyl-formamide Product distribution; Further Variations:; Reagents; Solvents; Iodine oxidation; nucleophilic substitution;A 1 % Chromat.
B 10 % Chromat.
C 47 % Chromat.
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

2'-deoxy-D-adenosine
958-09-8

2'-deoxy-D-adenosine

C29H17N5

C29H17N5

Conditions
ConditionsYield
With iodine; silver perchlorate In N,N-dimethyl-formamide Product distribution; Further Variations:; Reagents; Solvents; Iodine oxidation; nucleophilic substitution;30 % Chromat.
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

cis-8,9-dihydroxy-8,9-dihydro-dibenzo[a,l]pyrene

cis-8,9-dihydroxy-8,9-dihydro-dibenzo[a,l]pyrene

Conditions
ConditionsYield
With osmium(VIII) oxide In pyridine at 25℃; for 168h;
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

cis-dibenzo[a,l]pyrene-8,9-diol

cis-dibenzo[a,l]pyrene-8,9-diol

Conditions
ConditionsYield
Stage #1: Dibenzo[a,l]pyrene With osmium(VIII) oxide In pyridine at 20℃; for 144h;
Stage #2: With sodium hydrogen sulfate at 20℃; for 1h;
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

N-methyl-N-phenylformamide
93-61-8

N-methyl-N-phenylformamide

dibenzo[def,p]chrysene-10-carboxaldehyde
2869-59-2

dibenzo[def,p]chrysene-10-carboxaldehyde

Conditions
ConditionsYield
With trichlorophosphate In 1,2-dichloro-benzene at 90℃; for 8h; Vilsmeier-Haack formylation;
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

(+/-)-trans-8,9-dihydroxy-8,9-dihydro-dibenzo[a,l]pyrene

(+/-)-trans-8,9-dihydroxy-8,9-dihydro-dibenzo[a,l]pyrene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: OsO4 / pyridine / 144 h / 20 °C
1.2: NaHSO4 / 1 h / 20 °C
2.1: 2,3-dichloro-5,6-dicyano-p-benzoquinone / dioxane / 168 h / under argon atmosphere
3.1: 95 percent / NaBH4; O2 / ethanol; H2O / 72 h
View Scheme
Multi-step reaction with 3 steps
1: OsO4 / pyridine / 168 h / 25 °C
2: DDQ / dioxane / 15 h / Heating
3: 36 percent / NaBH4; air / propan-2-ol / 24 h
View Scheme
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

(-)-trans-dibenzo[a,l]pyrene-8,9-diol

(-)-trans-dibenzo[a,l]pyrene-8,9-diol

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: OsO4 / pyridine / 144 h / 20 °C
1.2: NaHSO4 / 1 h / 20 °C
2.1: 2,3-dichloro-5,6-dicyano-p-benzoquinone / dioxane / 168 h / under argon atmosphere
3.1: 95 percent / NaBH4; O2 / ethanol; H2O / 72 h
4.1: 31 percent / pyridine / 24 h / 4 °C / under argon
5.1: 56 percent / sodium methoxide / tetrahydrofuran; methanol / 4 h / 20 °C
View Scheme
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

(+)-trans-dibenzo[a,l]pyrene-8,9-diol

(+)-trans-dibenzo[a,l]pyrene-8,9-diol

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: OsO4 / pyridine / 144 h / 20 °C
1.2: NaHSO4 / 1 h / 20 °C
2.1: 2,3-dichloro-5,6-dicyano-p-benzoquinone / dioxane / 168 h / under argon atmosphere
3.1: 95 percent / NaBH4; O2 / ethanol; H2O / 72 h
4.1: 38 percent / pyridine / 24 h / 4 °C / under argon
5.1: 29 percent / sodium methoxide / tetrahydrofuran; methanol / 4 h / 20 °C
View Scheme
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

(+)-trans-(8S,9S)-bis-[(-)-menthoxyacetoxy]-8,9-dihydrodibenzo[a,l]pyrene

(+)-trans-(8S,9S)-bis-[(-)-menthoxyacetoxy]-8,9-dihydrodibenzo[a,l]pyrene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: OsO4 / pyridine / 144 h / 20 °C
1.2: NaHSO4 / 1 h / 20 °C
2.1: 2,3-dichloro-5,6-dicyano-p-benzoquinone / dioxane / 168 h / under argon atmosphere
3.1: 95 percent / NaBH4; O2 / ethanol; H2O / 72 h
4.1: 31 percent / pyridine / 24 h / 4 °C / under argon
View Scheme
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

(-)-trans-(8R,9R)-bis-[(-)-menthoxyacetoxy]-8,9-dihydrodibenzo[a,l]pyrene

(-)-trans-(8R,9R)-bis-[(-)-menthoxyacetoxy]-8,9-dihydrodibenzo[a,l]pyrene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: OsO4 / pyridine / 144 h / 20 °C
1.2: NaHSO4 / 1 h / 20 °C
2.1: 2,3-dichloro-5,6-dicyano-p-benzoquinone / dioxane / 168 h / under argon atmosphere
3.1: 95 percent / NaBH4; O2 / ethanol; H2O / 72 h
4.1: 38 percent / pyridine / 24 h / 4 °C / under argon
View Scheme
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

(+)-trans-8,9-dihydroxy-8,9-dihydro-dibenzo[a,l]pyrene

(+)-trans-8,9-dihydroxy-8,9-dihydro-dibenzo[a,l]pyrene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: OsO4 / pyridine / 168 h / 25 °C
2: DDQ / dioxane / 15 h / Heating
3: 36 percent / NaBH4; air / propan-2-ol / 24 h
4: tetrahydrofuran / (R,R)-Whelk-O15 chiral stationary phase column
View Scheme
Dibenzo[a,l]pyrene
191-30-0

Dibenzo[a,l]pyrene

(-)-trans-8,9-dihydroxy-8,9-dihydro-dibenzo[a,l]pyrene

(-)-trans-8,9-dihydroxy-8,9-dihydro-dibenzo[a,l]pyrene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: OsO4 / pyridine / 168 h / 25 °C
2: DDQ / dioxane / 15 h / Heating
3: 36 percent / NaBH4; air / propan-2-ol / 24 h
4: tetrahydrofuran / (R,R)-Whelk-O15 chiral stationary phase column
View Scheme

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