Products

Refine

Country

Business Type

Certificate

Display

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

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Cas:31251-41-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Wuhan Fortuna Chemical Co.,Ltd

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one CAS 31251-41-9 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediate

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one CAS 31251-41-9

Cas:31251-41-9

Min.Order:25 Kilogram

FOB Price: $10.0

Type:Trading Company

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou 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

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Cas:31251-41-9

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our 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

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Cas:31251-41-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Our 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.O

TIANFU CHEM-- 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Cas:31251-41-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

Manufacturer supply CAS 31251-41-9 with competitive price

Cas:31251-41-9

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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

11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one,8-chloro-5,6-dihydro- 31251-41-9

Cas:31251-41-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one CAS:31251-41-9 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermedia

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one CAS:31251-41-9

Cas:31251-41-9

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

11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one,8-chloro-5,6-dihydro-

Cas:31251-41-9

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

11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one,8-chloro-5,6-dihydro-

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

8-CHLORO-5,6-DIHYDRO-11H-BENZO[5,6]CYCLOHEPTA[1,2-B]PYRIDINE-11-ONE

Cas:31251-41-9

Min.Order:1 Gram

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

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclo hepta[1,2-b]pyridin-11-one

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Cas:31251-41-9

Min.Order:1 Gram

Negotiable

Type:Other

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

8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Cas:31251-41-9

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

8-Chloro-10,11-dihydro-4-aza-5H-benzo[A,D] cycloheptan-5-one

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

SAGECHEM LIMITED

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

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one cas no. 31251-41-9 98%

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

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

8-Chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-one

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

8-Chloro-5,6-Dihydro-11H-Benzo[5,6]Cyclohepta[1,2-B]Pyridin-11-One

Cas:31251-41-9

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

8-Chloro-10,11-dihydro-4-aza-5H-dibenzo[a,d]cycloheptan-5-one

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Nanjing HuaNuo Bio-Pharmacuetical Co.,Ltd

Independent research and development of impurities, familiar with the market and impurity characteristics; We can ship out on the same day if the products are in stock; Focus on impurity development of new products in the market; Expert in customizi

Loratadine EP Impurity B

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one,8-chloro-5,6-dihydro-

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

Wuhan Circle Star Chem-medical Technology co.,Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-oneAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Best quality with low priceAppearance:Yellow solid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Terui OP New Material Technology Co., Ltd.

The factory supplies Application:manufacturing supplies

11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one,8-chloro-5,6-dihydro-

Cas:31251-41-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

3-[2-(3-chlorophenyl)ethyl]-2-pyridine-carbonitrile
31255-57-9

3-[2-(3-chlorophenyl)ethyl]-2-pyridine-carbonitrile

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Stage #1: 3-[2-(3-chlorophenyl)ethyl]-2-pyridine-carbonitrile With trifluorormethanesulfonic acid at 60℃; for 1h;
Stage #2: With hydrogenchloride In water at 20℃; for 1h; Heating / reflux;
94%
With PPA at 200℃;45%
With PPA Heating;
3-[2-(5-chloro-2-iodo-phenyl)-ethyl]-pyridine-2-carboxylic acid methyl-phenyl-amide
251353-79-4

3-[2-(5-chloro-2-iodo-phenyl)-ethyl]-pyridine-2-carboxylic acid methyl-phenyl-amide

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; cyclohexane at -78℃; for 0.166667h;91%
With n-butyllithium In tetrahydrofuran; cyclohexane at -78℃; for 0.166667h;78%
C14H11ClN2

C14H11ClN2

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
With water at 0 - 35℃; for 25 - 35h;76.4%
C14H11Cl2NO

C14H11Cl2NO

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
With aluminum (III) chloride In carbon disulfide40%
2-iodoyl-3,5-dichlorobenzoic acid
15396-37-9

2-iodoyl-3,5-dichlorobenzoic acid

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: 121 g / (MeO)3B; BH3*Me2S / tetrahydrofuran / 18 h / 20 °C
2.1: PPh3; Br2 / acetonitrile / 1 h / 20 °C
3.1: LDA; t-BuOMe / various solvent(s); tetrahydrofuran / -30 - 0 °C
4.1: NaH / dimethylformamide / 1 h / 0 °C
4.2: 10 g / dimethylformamide / 0.25 h / 0 °C
5.1: 91 percent / n-BuLi / tetrahydrofuran; cyclohexane / 0.17 h / -78 °C
View Scheme
5-chloro-2-iodobenzyl alcohol
82386-90-1

5-chloro-2-iodobenzyl alcohol

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: PPh3; Br2 / acetonitrile / 1 h / 20 °C
2.1: LDA; t-BuOMe / various solvent(s); tetrahydrofuran / -30 - 0 °C
3.1: NaH / dimethylformamide / 1 h / 0 °C
3.2: 10 g / dimethylformamide / 0.25 h / 0 °C
4.1: 91 percent / n-BuLi / tetrahydrofuran; cyclohexane / 0.17 h / -78 °C
View Scheme
2-(bromomethyl)-4-chloro-1-iodobenzene
82386-91-2

2-(bromomethyl)-4-chloro-1-iodobenzene

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: LDA; t-BuOMe / various solvent(s); tetrahydrofuran / -30 - 0 °C
2.1: NaH / dimethylformamide / 1 h / 0 °C
2.2: 10 g / dimethylformamide / 0.25 h / 0 °C
3.1: 91 percent / n-BuLi / tetrahydrofuran; cyclohexane / 0.17 h / -78 °C
View Scheme
3-[2-(5-chloro-2-iodo-phenyl)-ethyl]-pyridine-2-carboxylic acid phenylamide
251353-78-3

3-[2-(5-chloro-2-iodo-phenyl)-ethyl]-pyridine-2-carboxylic acid phenylamide

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: NaH / dimethylformamide / 1 h / 0 °C
1.2: 10 g / dimethylformamide / 0.25 h / 0 °C
2.1: 91 percent / n-BuLi / tetrahydrofuran; cyclohexane / 0.17 h / -78 °C
View Scheme
N-tert-butyl-3-methylpyridine-2-carboxamide
32998-95-1

N-tert-butyl-3-methylpyridine-2-carboxamide

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1.) n-BuLi / 1.) THF, -40 deg C
2: POCl3 / Heating
3: PPA / Heating
View Scheme
3-<2-(3-chlorophenyl)ethyl>-N-(1,1-dimethylethyl)-2-pyridinecarboxamide
107285-30-3

3-<2-(3-chlorophenyl)ethyl>-N-(1,1-dimethylethyl)-2-pyridinecarboxamide

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: POCl3 / Heating
2: PPA / Heating
View Scheme
1-Chloro-3-chloromethyl-benzene
620-20-2

1-Chloro-3-chloromethyl-benzene

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1.) n-BuLi / 1.) THF, -40 deg C
2: POCl3 / Heating
3: PPA / Heating
View Scheme
3-[2-(3-Chlorophenyl)ethyl]-pyridine-2-carboxylic acid hydrochloride
255861-49-5

3-[2-(3-Chlorophenyl)ethyl]-pyridine-2-carboxylic acid hydrochloride

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Stage #1: 3-[2-(3-Chlorophenyl)ethyl]-pyridine-2-carboxylic acid hydrochloride With thionyl chloride at 30 - 60℃;
Stage #2: aluminum (III) chloride In 1,2-dichloro-ethane at -5 - 20℃;
N-phenyl-3-[2-(3-chlorophenyl)ethyl]-2-pyridine carboxamide
271252-79-0

N-phenyl-3-[2-(3-chlorophenyl)ethyl]-2-pyridine carboxamide

phosphorus pentachloride
10026-13-8, 874483-75-7

phosphorus pentachloride

pyrographite
7440-44-0

pyrographite

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
aluminium trichloride In hexane; dichloromethane; toluene44.2 g (61%)
N-phenyl-3-[2-(3-chlorophenyl)ethyl]-2-pyridine carboxamide
271252-79-0

N-phenyl-3-[2-(3-chlorophenyl)ethyl]-2-pyridine carboxamide

pyrographite
7440-44-0

pyrographite

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
With trichlorophosphate In hexane; water; chlorobenzene44.1 g (50.8%)
3-(2-(3-chlorophenyl)ethenyl)pyridine-2-carboxylate

3-(2-(3-chlorophenyl)ethenyl)pyridine-2-carboxylate

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 5%-palladium/activated carbon; hydrogen / ethyl acetate / 4 h / 760.05 Torr
2: sodium hydroxide; water / ethanol / 48 h
3: thionyl chloride
4: aluminum (III) chloride / carbon disulfide
View Scheme
methyl 3-(2-(3-chlorophenyl)ethanyl)pyridine-2-carboxylate

methyl 3-(2-(3-chlorophenyl)ethanyl)pyridine-2-carboxylate

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium hydroxide; water / ethanol / 48 h
2: thionyl chloride
3: aluminum (III) chloride / carbon disulfide
View Scheme
3-(2-(3-chlorophenyl)ethanyl)pyridine-2-carboxylic acid

3-(2-(3-chlorophenyl)ethanyl)pyridine-2-carboxylic acid

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: thionyl chloride
2: aluminum (III) chloride / carbon disulfide
View Scheme
isopropyl 3-(2-(3-chlorophenyl)ethenyl)pyridine-2-carboxylate

isopropyl 3-(2-(3-chlorophenyl)ethenyl)pyridine-2-carboxylate

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 5%-palladium/activated carbon; hydrogen / ethyl acetate / 48 h / 760.05 Torr
2: sodium hydroxide; water / ethanol / 5 h / Reflux
3: thionyl chloride
4: aluminum (III) chloride / carbon disulfide
View Scheme
isopropyl 3-(2-(3-chlorophenyl)ethanyl)pyridine-2-carboxylate

isopropyl 3-(2-(3-chlorophenyl)ethanyl)pyridine-2-carboxylate

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium hydroxide; water / ethanol / 5 h / Reflux
2: thionyl chloride
3: aluminum (III) chloride / carbon disulfide
View Scheme
C20H15ClN2

C20H15ClN2

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Conditions
ConditionsYield
With water; sodium hydroxide In tetrahydrofuran at 80 - 90℃; pH=10-11;
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

8-Chloro-6,11-Dihydro-11-Hydroxy-5H-Benzo[5,6]-Cyclohepta[1,2-b]Pyridine
133330-72-0

8-Chloro-6,11-Dihydro-11-Hydroxy-5H-Benzo[5,6]-Cyclohepta[1,2-b]Pyridine

Conditions
ConditionsYield
Stage #1: 8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one With sodium tetrahydroborate In methanol at 0 - 20℃; for 1h;
Stage #2: With hydrogenchloride In methanol; water
100%
With sodium tetrahydroborate In methanol at 10 - 20℃; for 2.75h;96.9%
With sodium tetrahydroborate In methanol a) 0 deg C, 2.5 h, b) from 0 deg C to 25 deg C, 1 h;
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

(1-methyl-4-piperidyl)magnesium chloride
63463-36-5

(1-methyl-4-piperidyl)magnesium chloride

8-chloro-6,11-dihydro-11-(1-methyl-4-piperidinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol
38089-93-9

8-chloro-6,11-dihydro-11-(1-methyl-4-piperidinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol

Conditions
ConditionsYield
In tetrahydrofuran Reflux;95%
With (trimethylsilyl)methylmagnesium chloride; lithium chloride; zinc(II) chloride In tetrahydrofuran; diethyl ether at 0℃; for 2h; Inert atmosphere;90%
In tetrahydrofuran at -95 - -15℃; for 2 - 3h;71.1%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

5,6-Dihydro-11H-benzo<5,6>cyclohepta<1,2-b>pyridin-11-one
3964-73-6

5,6-Dihydro-11H-benzo<5,6>cyclohepta<1,2-b>pyridin-11-one

Conditions
ConditionsYield
With palladium on activated charcoal; hydrogen; triethylamine In tetrahydrofuran at 20℃; for 24h;89%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

diethyl N-ethoxycarbonylpiperidine-4-phosphonate
216870-24-5

diethyl N-ethoxycarbonylpiperidine-4-phosphonate

C24H28ClN2O5P

C24H28ClN2O5P

Conditions
ConditionsYield
Stage #1: diethyl N-ethoxycarbonylpiperidine-4-phosphonate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -25 - -5℃; for 2h;
Stage #2: 8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one In tetrahydrofuran; hexane at -25 - -20℃; for 2h;
82%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

1-methylpiperidin-2-one
931-20-4

1-methylpiperidin-2-one

3-(8-Chloro-11-hydroxy-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-methyl-piperidin-2-one
212390-12-0

3-(8-Chloro-11-hydroxy-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-methyl-piperidin-2-one

Conditions
ConditionsYield
With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane 1.) -78 deg C, 30 min; -78 deg C to -5 deg C, 60 min, 2.) -78 deg C, 1 h; -78 deg C to -10 deg C, 1 h;76%
2-(4-formylphenyl)pyridine
127406-56-8

2-(4-formylphenyl)pyridine

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

C26H18ClN3

C26H18ClN3

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 10h; Reflux;75%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

methyl 4-formylbenzoate
1571-08-0

methyl 4-formylbenzoate

C23H17ClN2O2

C23H17ClN2O2

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 10h; Reflux;75%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

4-phenylsulfanyl-benzaldehyde
1208-88-4

4-phenylsulfanyl-benzaldehyde

C27H19ClN2S

C27H19ClN2S

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 8h; Reflux;74%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

Phenanthrene-9-carboxaldehyde
4707-71-5

Phenanthrene-9-carboxaldehyde

C29H19ClN2

C29H19ClN2

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 7h; Reflux;74%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

triethyl phosphite
122-52-1

triethyl phosphite

C18H21ClNO3P

C18H21ClNO3P

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene at 20℃; for 24h;73.8%
4-chloro-1-methylpiperidine
5570-77-4

4-chloro-1-methylpiperidine

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

8-chloro-6,11-dihydro-11-(1-methyl-4-piperidinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol
38089-93-9

8-chloro-6,11-dihydro-11-(1-methyl-4-piperidinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol

Conditions
ConditionsYield
Stage #1: 4-chloro-1-methylpiperidine With magnesium; ethylene dibromide In tetrahydrofuran at 20 - 48℃;
Stage #2: 8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one In tetrahydrofuran at -80 - -70℃; for 2 - 3h; Product distribution / selectivity;
73.6%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

4-cyanobenzaldehyde
105-07-7

4-cyanobenzaldehyde

C22H14ClN3

C22H14ClN3

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 6h; Reflux;73%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

2,6-dibromobenzaldehyde
67713-23-9

2,6-dibromobenzaldehyde

C21H13Br2ClN2

C21H13Br2ClN2

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 6h; Reflux;73%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

4-styrylbenzaldehyde
32555-96-7

4-styrylbenzaldehyde

C29H21ClN2

C29H21ClN2

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 8h; Reflux;72%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

9H-fluorene-2-carbaldehyde
30084-90-3

9H-fluorene-2-carbaldehyde

C28H19ClN2

C28H19ClN2

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 6h; Reflux;71%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

N-(4-formylphenyl)carbazole
110677-45-7

N-(4-formylphenyl)carbazole

C33H22ClN3

C33H22ClN3

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 10h; Reflux;70%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

para-methanesulfonylbenzaldehyde
5398-77-6

para-methanesulfonylbenzaldehyde

C22H17ClN2O2S

C22H17ClN2O2S

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 10h; Reflux;70%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

6-fluorochromone-3-carboxaldehyde
69155-76-6

6-fluorochromone-3-carboxaldehyde

C24H14ClFN2O2

C24H14ClFN2O2

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 8h; Reflux;70%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

2,6-dichlorobenzaldehyde
83-38-5

2,6-dichlorobenzaldehyde

C21H13Cl3N2

C21H13Cl3N2

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 6h; Reflux;69%
1H-pyrrolo[2,3-b]pyridin-3-carbaldehyde
4649-09-6

1H-pyrrolo[2,3-b]pyridin-3-carbaldehyde

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

C22H15ClN4

C22H15ClN4

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 8h; Reflux;68%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

4-(Methylthio)benzaldehyde
3446-89-7

4-(Methylthio)benzaldehyde

C22H17ClN2S

C22H17ClN2S

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 7h; Reflux;68%
4-benzooxazol-2-yl-benzaldehyde
27395-93-3

4-benzooxazol-2-yl-benzaldehyde

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

C28H18ClN3O

C28H18ClN3O

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 7h; Reflux;68%
2,2'-bithiophene-5-carboxaldehyde
3779-27-9

2,2'-bithiophene-5-carboxaldehyde

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

C23H15ClN2S2

C23H15ClN2S2

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 10h; Reflux;67%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

4-(diphenylamino)benzaldehyde
4181-05-9

4-(diphenylamino)benzaldehyde

C33H24ClN3

C33H24ClN3

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 10h; Reflux;66%
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

phosphorous acid trimethyl ester
121-45-9

phosphorous acid trimethyl ester

dimethyl (8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)phosphonate

dimethyl (8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)phosphonate

Conditions
ConditionsYield
With phosphoric acid In chloroform at 20℃; for 12h;65%
3-(2-cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl)prop-2-enal

3-(2-cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl)prop-2-enal

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

C35H25ClFN3

C35H25ClFN3

Conditions
ConditionsYield
With ammonium acetate; acetic acid for 7h; Reflux;65%

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View