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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

3'-Bromophenyl acetylene

Cas:766-81-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory Price OLED 99% 766-81-4 3-Bromophenyl acetylene Manufacturer

Cas:766-81-4

Min.Order:1 Gram

FOB Price: $0.1

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

3-Bromophenylacetylene

Cas:766-81-4

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

3-Bromophenylacetylene_

Cas:766-81-4

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

Pharmaceutical Grade CAS 766-81-4 with competitive price

Cas:766-81-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We have stoc

1-BROMO-3-ETHYNYL-BENZENE

Cas:766-81-4

Min.Order:1 Kilogram

Negotiable

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

3'-Bromophenyl acetylene 766-81-4

Cas:766-81-4

Min.Order:1 Kilogram

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

3'-Bromophenyl acetylene

Cas:766-81-4

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

3'-Bromophenyl acetylene

Cas:766-81-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By

1-BROMO-3-ETHYNYL-BENZENE

Cas:766-81-4

Min.Order:100 Gram

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

1-BROMO-3-ETHYNYL-BENZENE

Cas:766-81-4

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

3'-Bromophenyl acetylene

Cas:766-81-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

3-Bromophenylacetylene/High quality/Best price

Cas:766-81-4

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

1-BROMO-3-ETHYNYL-BENZENE

Cas:766-81-4

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

1-(4-Nitrobenzyl)-1h-imidazole CAS NO.766-81-4

Cas:766-81-4

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

3-Bromophenylacetylene

Cas:766-81-4

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

1-(4-Nitrobenzyl)-1h-imidazole CAS NO.766-81-4

Cas:766-81-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

1-(4-Nitrobenzyl)-1h-imidazole CAS NO.766-81-4

Cas:766-81-4

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

3'-Bromophenyl acetylene

Cas:766-81-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

1-(4-Nitrobenzyl)-1h-imidazole CAS NO.766-81-4

Cas:766-81-4

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

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

1-Bromo-3-ethynylbenzene cas no. 766-81-4 98%

Cas:766-81-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

1-BROMO-3-ETHYNYL-BENZENE

Cas:766-81-4

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

3-BroMophenylacetylene

Cas:766-81-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec 3-Bromophenylacetylene 25g

Cas:766-81-4

Min.Order:1 bottle

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

1-BROMO-3-ETHYNYL-BENZENE

Cas:766-81-4

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

3'-BroMophenyl acetylene

Cas:766-81-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for

1-BROMO-3-ETHYNYL-BENZENE

Cas:766-81-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

1-(4-Nitrobenzyl)-1h-imidazole CAS NO.766-81-4 Application:1-(4-Nitrobenzyl)-1h-imidazole CAS NO.766-81-4

1-(4-Nitrobenzyl)-1h-imidazole CAS NO.766-81-4

Cas:766-81-4

Min.Order:0

Negotiable

Type:Other

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate

3-Bromophenylacetylene

Cas:766-81-4

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 to yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Applicatio

3'-Bromophenyl acetylene

Cas:766-81-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

2-(3-bromophenyl)ethynyltrimethylsilane
3989-13-7

2-(3-bromophenyl)ethynyltrimethylsilane

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

Conditions
ConditionsYield
With methanol; potassium carbonate for 0.5h;98%
With ethanol; caesium carbonate In dichloromethane at 20℃; for 4h; Inert atmosphere;93.9%
With potassium carbonate In tetrahydrofuran; methanol at 20℃; for 2h;92%
m-bromobenzoic aldehyde
3132-99-8

m-bromobenzoic aldehyde

dimethyl 1-(1-diazo-2-oxopropyl)phosphonate
90965-06-3

dimethyl 1-(1-diazo-2-oxopropyl)phosphonate

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

Conditions
ConditionsYield
With potassium carbonate In methanol at 20℃; for 12h;95%
With potassium carbonate In methanol at 20℃;84%
1-bromo-3-(2',2'-dibromovinyl)benzene

1-bromo-3-(2',2'-dibromovinyl)benzene

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride; water; triphenylphosphine In tetrahydrofuran at 80℃; for 2.5h; Corey-Fuchs Alkyne Synthesis; Sealed tube;91%
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 25 - 30℃; for 16h;83%
With n-butyllithium In tetrahydrofuran at -78 - 20℃; for 3h; Inert atmosphere;
Stage #1: 1-bromo-3-(2',2'-dibromovinyl)benzene With n-butyllithium In tetrahydrofuran at -78℃; for 2h;
Stage #2: With methanol In tetrahydrofuran for 1h;
C9H7Br3O2

C9H7Br3O2

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

Conditions
ConditionsYield
With potassium carbonate In dimethyl sulfoxide at 115℃; for 12h;90%
1-(3-Bromophenyl)ethanone
2142-63-4

1-(3-Bromophenyl)ethanone

A

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

B

1-Brom-3-(1-chlorethenyl)benzol
138857-35-9

1-Brom-3-(1-chlorethenyl)benzol

Conditions
ConditionsYield
With pyridine; phosphorus pentachloride at 110℃; for 0.0583333h; microwave irradiation;A 54%
B 33 % Chromat.
1-(3-Bromophenyl)ethanone
2142-63-4

1-(3-Bromophenyl)ethanone

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

Conditions
ConditionsYield
With phosphorus pentachloride; sodium ethanolate 1) 35 deg C, 15 min, 2) 3 h, 110 deg C; Yield given. Multistep reaction;
methanol
67-56-1

methanol

2-(3-bromophenyl)ethynyltrimethylsilane
3989-13-7

2-(3-bromophenyl)ethynyltrimethylsilane

A

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

B

1-bromo-3-(2-methoxy-vinyl)benzene

1-bromo-3-(2-methoxy-vinyl)benzene

Conditions
ConditionsYield
With potassium carbonate at 120 - 130℃; for 0.25h; microwave irradiation;
1-Bromo-3-iodobenzene
591-18-4

1-Bromo-3-iodobenzene

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

Conditions
ConditionsYield
Stage #1: 1-Bromo-3-iodobenzene; trimethylsilylacetylene With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride In tetrahydrofuran at 20℃;
Stage #2: With methanol; water; potassium carbonate In tetrahydrofuran at 20℃;
With potassium carbonate In methanol; acetonitrile at 40℃; Sonogashira Cross-Coupling; chemoselective reaction;
1-Bromo-3-iodobenzene
591-18-4

1-Bromo-3-iodobenzene

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Pd(PPh3)2Cl2; CuI; Et3N / 3 h / 20 °C
2: Pd(PPh3)2Cl2TBAF / tetrahydrofuran / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; diethylamine / tetrahydrofuran / 3 h / 20 °C / Inert atmosphere
2: sodium methylate; potassium carbonate / dichloromethane / 1 h / 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1: palladium on copper / Inert atmosphere
2: potassium carbonate; methanol / Inert atmosphere
View Scheme
3-Bromocinnamic acid
14473-91-7

3-Bromocinnamic acid

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: chloroform / 20 - 60 °C / Irradiation; Bromination
2: potassium carbonate / dimethyl sulfoxide / 12 h / 115 °C
View Scheme
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

2-(3-bromophenyl)ethenylboronic acid
943341-66-0

2-(3-bromophenyl)ethenylboronic acid

Conditions
ConditionsYield
With benzo[1,3,2]dioxaborole In tetrahydrofuran Heating;100%
tert-butyl (6-amino-7-iodo-1-methyl-1H-imidazo[4,5-c]pyridin-4-yl)(methyl)carbamate
914942-88-4

tert-butyl (6-amino-7-iodo-1-methyl-1H-imidazo[4,5-c]pyridin-4-yl)(methyl)carbamate

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

tert-butyl 6-amino-1-methyl-7-(2-(3-bromophenyl)ethynyl)-1H-imidazo[4,5-d]pyridin-4-yl(methyl)carbamate
914943-95-6

tert-butyl 6-amino-1-methyl-7-(2-(3-bromophenyl)ethynyl)-1H-imidazo[4,5-d]pyridin-4-yl(methyl)carbamate

Conditions
ConditionsYield
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride In N,N-dimethyl-formamide at 75℃; for 0.5h;100%
4-iodo-1-(2,2,2-trifluoroethyl)-1H-pyrazole
918483-35-9

4-iodo-1-(2,2,2-trifluoroethyl)-1H-pyrazole

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

4-[(3-bromophenyl)ethynyl]-1-(2,2,2-trifluoroethyl)-1H-pyrazole
918483-50-8

4-[(3-bromophenyl)ethynyl]-1-(2,2,2-trifluoroethyl)-1H-pyrazole

Conditions
ConditionsYield
With triethylamine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In acetonitrile at 20 - 80℃; for 1h;99%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

4-(3-bromo-phenylethynyl)-1H-pyrrole-2-carbonitrile
918487-97-5

4-(3-bromo-phenylethynyl)-1H-pyrrole-2-carbonitrile

Conditions
ConditionsYield
Stage #1: 4-iodopyrrole-2-carbonitrile With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In N,N-dimethyl-formamide for 0.166667h;
Stage #2: 3-bromophenylacetylene In N,N-dimethyl-formamide at 20℃;
99%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

1-bromo-3-(iodoethynyl)benzene

1-bromo-3-(iodoethynyl)benzene

Conditions
ConditionsYield
With N-iodo-succinimide In acetone at 20℃; for 3h;99%
With aluminum oxide; N-iodo-succinimide In acetonitrile at 80℃; for 1h; Molecular sieve;99%
With N-iodo-succinimide; acetic acid In acetonitrile at 80℃; for 1.5h; Molecular sieve;98%
With N-chlorobenzenesulfonamide; potassium iodide In acetonitrile at 20℃; for 2h;96%
2,2,3,3,3-pentafluoropropanoic anhydride
356-42-3

2,2,3,3,3-pentafluoropropanoic anhydride

phenethyl azide
6926-44-9

phenethyl azide

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

6-(3-bromophenyl) - 3-(pentafluoroethyl)-4-phenylethyl-1,2,4-triazin-5(4H)-one

6-(3-bromophenyl) - 3-(pentafluoroethyl)-4-phenylethyl-1,2,4-triazin-5(4H)-one

Conditions
ConditionsYield
With copper(l) iodide; triethylamine; 4,4'-di-tert-butyl-2,2'-bipyridine In tetrahydrofuran; hexane at 30℃; for 15h; Inert atmosphere;99%
With copper(l) iodide; triethylamine; 4,4'-di-tert-butyl-2,2'-bipyridine In tetrahydrofuran; hexane at 30℃; for 15h; Sealed tube; Glovebox; Inert atmosphere;99%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

indole-2,3-dione
91-56-5

indole-2,3-dione

(S)-3-((3-bromophenyl)ethynyl)-3-hydroxyindolin-2-one

(S)-3-((3-bromophenyl)ethynyl)-3-hydroxyindolin-2-one

Conditions
ConditionsYield
With C36H29N2O2P; cobalt(II) diacetate tetrahydrate In ethanol at 30℃; for 20h; Schlenk technique; Glovebox; Inert atmosphere; enantioselective reaction;99%
ethyl 2,2-difluoro-2-iodoacetate
7648-30-8

ethyl 2,2-difluoro-2-iodoacetate

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

ethyl 4-(3-bromophenyl)-2,2-difluoro-4-iodobut-3-enoate

ethyl 4-(3-bromophenyl)-2,2-difluoro-4-iodobut-3-enoate

Conditions
ConditionsYield
With diethylzinc In hexane; acetonitrile at -20℃; for 16h; Schlenk technique; Inert atmosphere; stereoselective reaction;99%
carbon dioxide
124-38-9

carbon dioxide

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

3-(3-bromophenyl)propiolic acid
29835-28-7

3-(3-bromophenyl)propiolic acid

Conditions
ConditionsYield
With {(N,N'-cyclohexane-1,2-diylbis((4-(tert-butyl)benzoyl)amide))Nd[N(SiMe3)2](tetrahydrofuran)}2; caesium carbonate In dimethyl sulfoxide at 40℃; under 760.051 Torr; for 24h; Schlenk technique;97%
With C76H124N6Nd2O6Si4; caesium carbonate In dimethyl sulfoxide at 40℃; under 760.051 Torr; for 24h; Inert atmosphere;97%
With caesium carbonate In N,N-dimethyl-formamide at 80℃; under 750.075 Torr; for 12h;82%
With sodium acetate; tetraoctyl ammonium bromide; copper(I) bromide In acetonitrile at 25℃; under 11251.1 Torr; for 16h; Inert atmosphere;78%
With {[Cu4(μ3-OH)2(atrz)2(SIP)2]•4H2O}n; caesium carbonate In N,N-dimethyl-formamide at 100℃; under 2250.23 Torr; for 16h; Autoclave;77%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

7-fluoro-4H-thiochromen-4-one

7-fluoro-4H-thiochromen-4-one

(S)-2-((3-bromophenyl)ethynyl)-7-fluorothiochroman-4-one

(S)-2-((3-bromophenyl)ethynyl)-7-fluorothiochroman-4-one

Conditions
ConditionsYield
With copper(l) iodide; trimethylsilyl trifluoromethanesulfonate; C36H20F10NO2P; N-ethyl-N,N-diisopropylamine In toluene at 0℃; for 1h; Inert atmosphere; enantioselective reaction;97%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

1-bromopropylbenzene
2114-36-5, 101308-38-7

1-bromopropylbenzene

(R)-1-bromo-3-(3-phenylpent-1-yn-1-yl)benzene

(R)-1-bromo-3-(3-phenylpent-1-yn-1-yl)benzene

Conditions
ConditionsYield
With copper(I) thiophene-2-carboxylate; C55H70N3O2P; caesium carbonate In diethyl ether at 20℃; Sonogashira Cross-Coupling; Inert atmosphere; enantioselective reaction;96%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

methyl 4-[(tert-butoxycarbonyl)amino]but-2-ynoate
163852-55-9

methyl 4-[(tert-butoxycarbonyl)amino]but-2-ynoate

C18H20BrNO4

C18H20BrNO4

Conditions
ConditionsYield
Stage #1: methyl-4,N(tert-butoxycarbonyl)amino,but-2-ynoate With palladium diacetate; tris(2,6-dimethoxyphenyl)phosphine In toluene at 20℃; for 0.166667h;
Stage #2: 3-bromophenylacetylene In toluene at 20℃; for 6h;
95%
6-iodo-1,4-benzodioxane
57744-67-9

6-iodo-1,4-benzodioxane

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

6-[(3-bromophenyl)ethynyl]-2,3-dihydro-1,4-benzodioxine
1035267-43-6

6-[(3-bromophenyl)ethynyl]-2,3-dihydro-1,4-benzodioxine

Conditions
ConditionsYield
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In tetrahydrofuran at 20℃; for 72h;94%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

3-cyclopentyl-2-iodo-3H-imidazo[4,5-b]pyridine
1359973-18-4

3-cyclopentyl-2-iodo-3H-imidazo[4,5-b]pyridine

2-(2-(3-bromophenyl)ethynyl)-3-cyclopentyl-3H-imidazo[4,5-b]pyridine
1397718-26-1

2-(2-(3-bromophenyl)ethynyl)-3-cyclopentyl-3H-imidazo[4,5-b]pyridine

Conditions
ConditionsYield
Stage #1: 3-bromophenylacetylene; 3-cyclopentyl-2-iodo-3H-imidazo[4,5-b]pyridine With tetrabutylammonium acetate In 1-methyl-pyrrolidin-2-one at 20℃; for 0.15h; Sonogashira Cross-Coupling; Inert atmosphere;
Stage #2: With (bis(tricyclohexyl)phosphine)palladium(II) dichloride In 1-methyl-pyrrolidin-2-one at 110℃; Sonogashira Cross-Coupling; Inert atmosphere; Microwave irradiation;
94%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

1-bromo-3-(bromoethynyl)benzene

1-bromo-3-(bromoethynyl)benzene

Conditions
ConditionsYield
With N-Bromosuccinimide In acetone at 20℃; for 3h;94%
With N-chlorobenzenesulfonamide; sodium bromide In water; acetonitrile at 70℃; for 24h;93%
With N-Bromosuccinimide; silver nitrate In acetone at 20℃;
4-Iodobenzotrifluoride
455-13-0

4-Iodobenzotrifluoride

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

1-bromo-3-(2-(4-(trifluoromethyl)phenyl)ethynyl)benzene

1-bromo-3-(2-(4-(trifluoromethyl)phenyl)ethynyl)benzene

Conditions
ConditionsYield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) at 20℃; for 12h; Inert atmosphere;94%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

benzyl azide
622-79-7

benzyl azide

1-benzyl-4-(3-bromophenyl)-1H-1,2,3-triazole

1-benzyl-4-(3-bromophenyl)-1H-1,2,3-triazole

Conditions
ConditionsYield
With [(1-phenylisoquinoline)2Ir(acetylacetonate)] In dichloromethane at 20℃; Irradiation; regioselective reaction;94%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

4-[(3-bromophenyl)ethynyl]-1H-pyrrole-2-carbaldehyde
918488-00-3

4-[(3-bromophenyl)ethynyl]-1H-pyrrole-2-carbaldehyde

Conditions
ConditionsYield
Stage #1: 4-iodo-1H-pyrrole-2-carbaldhehyde With triethylamine; bis-triphenylphosphine-palladium(II) chloride In N,N-dimethyl-formamide at 20℃; for 0.25h;
Stage #2: 3-bromophenylacetylene With triethylamine; copper(l) iodide In N,N-dimethyl-formamide for 2h;
93%
Vinyl bromide
593-60-2

Vinyl bromide

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

1-bromo-3-(but-3-en-1-ynyl)benzene
1369534-03-1

1-bromo-3-(but-3-en-1-ynyl)benzene

Conditions
ConditionsYield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diethylamine In tetrahydrofuran at 0 - 20℃; Inert atmosphere;93%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

1-(3-Bromophenyl)ethanone
2142-63-4

1-(3-Bromophenyl)ethanone

Conditions
ConditionsYield
With chloro(1,3-bis(2,6-di-i-propylphenyl)imidazol-2-ylidene)gold(I) In methanol; water at 110℃; for 6h; Schlenk technique; regioselective reaction;93%
With chloro(1,3-bis(2,6-di-i-propylphenyl)imidazol-2-ylidene)gold(I); water In methanol at 110℃; for 6h;93%
With tropylium tetrafluoroborate; water; acetic acid at 130℃; for 48h; Inert atmosphere;64%
acetamide
60-35-5

acetamide

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

N-(3-ethynylphenyl)acetamide
70933-58-3

N-(3-ethynylphenyl)acetamide

Conditions
ConditionsYield
With potassium phosphate; dicyclohexyl-(2′,4′,6′-triisopropyl-3,6-dimethoxy-[1,1′-biphenyl]-2-yl)phosphine; palladium diacetate In water; tert-butyl alcohol at 110℃; for 4.5h; Inert atmosphere;93%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

4-amino-6,7-dimethoxyquinazoline
21575-13-3

4-amino-6,7-dimethoxyquinazoline

N-(3-ethynylphenyl)-6,7-dimethoxyquinazolin-4-amine

N-(3-ethynylphenyl)-6,7-dimethoxyquinazolin-4-amine

Conditions
ConditionsYield
With potassium phosphate; 1-butyl-3-methylimidazolium aminoethanic acid salt In N,N-dimethyl acetamide at 80℃; for 2h; Reagent/catalyst;92.54%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

1-(difluoromethoxy)-4-iodobenzene
128140-82-9

1-(difluoromethoxy)-4-iodobenzene

1-bromo-3-((4-(difluoromethoxy)phenyl)ethynyl)benzene
1065169-09-6

1-bromo-3-((4-(difluoromethoxy)phenyl)ethynyl)benzene

Conditions
ConditionsYield
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride In N,N-dimethyl-formamide at 20℃; for 4h; Product distribution / selectivity; Heating;92%
With triethylamine; dichloro bis(acetonitrile) palladium(II) In N,N-dimethyl-formamide for 4h; Product distribution / selectivity; Heating;92%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

cyclopentanone
120-92-3

cyclopentanone

1-((3-bromophenyl)ethynyl)cyclopentanol
1403824-61-2

1-((3-bromophenyl)ethynyl)cyclopentanol

Conditions
ConditionsYield
Stage #1: 3-bromophenylacetylene With n-butyllithium; diisopropylamine In tetrahydrofuran at -78 - 0℃; for 0.5h; Inert atmosphere;
Stage #2: cyclopentanone In tetrahydrofuran at -78 - 20℃; Inert atmosphere;
92%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

C8H4BrCl
1551103-06-0

C8H4BrCl

Conditions
ConditionsYield
With N-chloro-succinimide; potassium carbonate; silver carbonate In propan-1-ol at 50℃; for 6h; Sealed tube; Inert atmosphere; Green chemistry;92%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

[(p-methylphenyl)sulfonylmethyl]isonitrile
38622-91-2, 36635-61-7

[(p-methylphenyl)sulfonylmethyl]isonitrile

(E)-1-(1-iodo-2-p-toluenesulfonylvinyl)-3-bromobenzene

(E)-1-(1-iodo-2-p-toluenesulfonylvinyl)-3-bromobenzene

Conditions
ConditionsYield
With iodine In dimethyl sulfoxide at 20℃; for 0.333333h;92%
3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

3-(tert-butyldiphenylsilyloxy)-1-propanal
112897-03-7

3-(tert-butyldiphenylsilyloxy)-1-propanal

1-(3-bromophenyl)-5-((tert-butyldiphenylsilyl)oxy)pent-1-yn-3-ol

1-(3-bromophenyl)-5-((tert-butyldiphenylsilyl)oxy)pent-1-yn-3-ol

Conditions
ConditionsYield
Stage #1: 3-bromophenylacetylene With lithium hexamethyldisilazane In tetrahydrofuran at -78 - 20℃; for 0.25h;
Stage #2: 3-(tert-butyldiphenylsilyloxy)-1-propanal In tetrahydrofuran at -78 - 20℃; for 12h;
92%
2-chloro-N-(quinolin-8-yl)acetamide
32889-11-5

2-chloro-N-(quinolin-8-yl)acetamide

dimethyl 2-fluoromalonate
344-14-9

dimethyl 2-fluoromalonate

3-bromophenylacetylene
766-81-4

3-bromophenylacetylene

(E)-dimethyl 2-(1-(3-bromophenyl)-4-oxo-4-(quinolin-8-ylamino)but-1-en-2-yl)-2-fluoromalonate

(E)-dimethyl 2-(1-(3-bromophenyl)-4-oxo-4-(quinolin-8-ylamino)but-1-en-2-yl)-2-fluoromalonate

Conditions
ConditionsYield
With copper(l) iodide; caesium carbonate In tetrahydrofuran at 80℃; for 1.5h; Inert atmosphere; stereoselective reaction;92%

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