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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

Factory Supply 1-bromopent-2-yne

Cas:16400-32-1

Min.Order:1

Negotiable

Type:Other

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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

1-Bromo-2-pentyne

Cas:16400-32-1

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

1-BROMO-2-PENTYNE CAS 16400-32-1

Cas:16400-32-1

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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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

1-BROMO-2-PENTYNE

Cas:16400-32-1

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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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

Pharmaceutical Grade CAS 16400-32-1 with competitive price

Cas:16400-32-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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 according to the contract research and development services for the fine chemicals, ph

1-Bromo-2-pentyne

Cas:16400-32-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

1-BROMO-2-PENTYNE CAS:16400-32-1 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 interm

1-BROMO-2-PENTYNE CAS:16400-32-1

Cas:16400-32-1

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

2-Pentyne, 1-bromo-

Cas:16400-32-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

1-BROMO-2-PENTYNE

Cas:16400-32-1

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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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

2-Pentyne, 1-bromo-

Cas:16400-32-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

1-broMopent-2-yne

Cas:16400-32-1

Min.Order:1 Gram

FOB Price: $1.0

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

1-Bromo-2-pentyne

Cas:16400-32-1

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: 1-Bromopent-2-Yne CAS No.:16400-32-1 Molecule Formula:C5H7Br Molecule Weight:147.01 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS S

Best Quality 1-Bromopent-2-Yne with good supplier

Cas:16400-32-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED

1-BROMO-2-PENTYNECAS NO.: 16400-32-1

Cas:16400-32-1

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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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

1-Bromo-2-pentyne

Cas:16400-32-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

1-bromopent-2-yne

Cas:16400-32-1

Min.Order:0

Negotiable

Type:Other

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-broMopent-2-yne

Cas:16400-32-1

Min.Order:0

Negotiable

Type:Manufacturers

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

1-BROMO-2-PENTYNE

Cas:16400-32-1

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

2-Pentyne, 1-bromo-

Cas:16400-32-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou ZeErRui Chemical Co., Ltd.

Product name:1-BROMO-2-PENTYNE Synonyms:1-bromopent-2-yne;1-BROMO-2-PENTYNE 97%;TIMTEC-BB SBB008834;2-Pentynyl bromide;Einecs 240-451-2;2-Pentyn-1-yl bromide CAS No:16400-32-1 Molecular formula:C5H7Br Molecular Weight:147.01 Appearance:Clear yel

1-BROMO-2-PENTYNE china manufacture

Cas:16400-32-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

1-bromo-2-pentyne 16400-32-1 Application:1-bromo-2-pentyne 16400-32-1

1-bromo-2-pentyne

Cas:16400-32-1

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

1-BROMO-2-PENTYNEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express

1-BROMO-2-PENTYNE

Cas:16400-32-1

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

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

1-bromopent-2-yne

Cas:16400-32-1

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

1-BROMO-2-PENTYNE

Cas:16400-32-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

1-BROMO-2-PENTYNE

Cas:16400-32-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

1-BROMO-2-PENTYNE

Cas:16400-32-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

Amadis Chemical offer CAS#16400-32-1;CAT#A848795

Cas:16400-32-1

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Changzhou Extraordinary Pharmatech co.,LTD

Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa

1-Bromo-2-pentyne

Cas:16400-32-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Nanjing Raymon Biotech Co., Ltd.

Quality: 1. Testing before each delivery, including Nuclear Magnetic Resonance(NMR), Gas Chromatography(GC)/High Performance Liquid Chromatography(HPLC), Mass detection(MS), Optical rotation for chiral products. There are many other methods avail

1-bromopent-2-yne

Cas:16400-32-1

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Nanjing Chemlin Chemical Co., Ltd.

Compound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co

16400-32-1

Cas:16400-32-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

toluene-4-sulfonic acid pent-2-ynyl ester
92666-05-2

toluene-4-sulfonic acid pent-2-ynyl ester

1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

Conditions
ConditionsYield
With N-benzyl-N,N,N-triethylammonium chloride; sodium bromide In dichloromethane; water for 6h; Ambient temperature;95%
2-pent-2-ynyloxy-tetrahydro-pyran
6261-21-8

2-pent-2-ynyloxy-tetrahydro-pyran

1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

Conditions
ConditionsYield
With bromine; triphenylphosphine In dichloromethane87%
pent-2-yn-1-ol
6261-22-9

pent-2-yn-1-ol

1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

Conditions
ConditionsYield
With pyridine; phosphorus tribromide In diethyl ether for 3h; Ambient temperature;84%
Stage #1: pent-2-yn-1-ol With pyridine; phosphorus tribromide In diethyl ether at -10 - 20℃; for 6h; Inert atmosphere; Reflux;
Stage #2: hydroquinone In diethyl ether for 4.5h; Reflux; Inert atmosphere;
84%
With pyridine; phosphorus tribromide In diethyl ether80%
1-chloropent-2-yne
22592-15-0

1-chloropent-2-yne

1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

Conditions
ConditionsYield
With lithium bromide In N,N-dimethyl-formamide at 60℃; for 72h; Substitution;51%
1-methoxy-2-pentyne
18495-20-0

1-methoxy-2-pentyne

1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

Conditions
ConditionsYield
With Acetyl bromide; zinc dibromide at 60 - 65℃;
tetra-N-methyl-phosphorodiamidic acid pent-2-ynyl ester
53799-89-6

tetra-N-methyl-phosphorodiamidic acid pent-2-ynyl ester

1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

Conditions
ConditionsYield
With phosphorus tribromide In diethyl ether for 4h; Heating;
methylmagnesium bromide
75-16-1

methylmagnesium bromide

1,4-dibromobut-2-yne
2219-66-1

1,4-dibromobut-2-yne

1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

Conditions
ConditionsYield
at 0 - 5℃;
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

methyl-malonic acid dimethylester
609-02-9

methyl-malonic acid dimethylester

dimethyl methyl(2-pentynyl)malonate
863297-78-3

dimethyl methyl(2-pentynyl)malonate

Conditions
ConditionsYield
Stage #1: methyl-malonic acid dimethylester With sodium hydride In tetrahydrofuran for 0.25h;
Stage #2: 1-bromo-pent-2-yne In tetrahydrofuran at 0 - 20℃;
100%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

S-(2-bromo-5-hydroxybenzyl)ethanethioate
1609496-75-4

S-(2-bromo-5-hydroxybenzyl)ethanethioate

4-bromo-3-((pent-2-yn-1-ylthio)methyl)phenol
1609496-76-5

4-bromo-3-((pent-2-yn-1-ylthio)methyl)phenol

Conditions
ConditionsYield
With potassium hydroxide In ethanol at 20℃; for 0.5h;100%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

3-(tetrahydropyran-2'-yloxy)propyne
6089-04-9

3-(tetrahydropyran-2'-yloxy)propyne

ethylmagnesium bromide
925-90-6

ethylmagnesium bromide

2,5-octadiyn-1-ol tetrahydropyranyl ether
117606-23-2

2,5-octadiyn-1-ol tetrahydropyranyl ether

Conditions
ConditionsYield
Stage #1: 3-(tetrahydropyran-2'-yloxy)propyne; ethylmagnesium bromide In tetrahydrofuran; diethyl ether for 0.5h; Inert atmosphere; Reflux;
Stage #2: 1-bromo-pent-2-yne With copper(l) iodide In tetrahydrofuran; diethyl ether
100%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

2-((2-bromo-5-methoxybenzyl)thio)-1H-benzimidazole

2-((2-bromo-5-methoxybenzyl)thio)-1H-benzimidazole

2-((2-bromo-5-methoxybenzyl)thio)-1-(pent-2-yn-1-yl)-1H-benzimidazole

2-((2-bromo-5-methoxybenzyl)thio)-1-(pent-2-yn-1-yl)-1H-benzimidazole

Conditions
ConditionsYield
With potassium carbonate In acetone at 60℃; for 18h;100%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

2-Iodophenol
533-58-4

2-Iodophenol

1-iodo-2-(pent-2-yn-1-yloxy)benzene

1-iodo-2-(pent-2-yn-1-yloxy)benzene

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 60℃; Inert atmosphere;100%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

4-bromo-3,5-dimethylphenol
7463-51-6

4-bromo-3,5-dimethylphenol

2-Bromo-1,3-dimethyl-5-(2-pentynyloxy)benzene
925441-93-6

2-Bromo-1,3-dimethyl-5-(2-pentynyloxy)benzene

Conditions
ConditionsYield
Stage #1: 4-bromo-3,5-dimethylphenol With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h;
Stage #2: 1-bromo-pent-2-yne In N,N-dimethyl-formamide at 20℃; for 3h;
99%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

C13H17NO2S
1266485-95-3

C13H17NO2S

C18H23NO2S
1266485-96-4

C18H23NO2S

Conditions
ConditionsYield
Stage #1: C13H17NO2S With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.0833333h; Reflux;
Stage #2: 1-bromo-pent-2-yne In N,N-dimethyl-formamide at 20℃; for 1.5h;
99%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

3-hydroxy-6-methylflavone
6971-18-2

3-hydroxy-6-methylflavone

6-methyl-3-(pent-2-ynyloxy)-2-phenyl-4H-chromen-4-one
1429665-09-7

6-methyl-3-(pent-2-ynyloxy)-2-phenyl-4H-chromen-4-one

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 60℃;99%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

S-(2-bromo-5-methoxybenzyl)ethanethioate
1609496-74-3

S-(2-bromo-5-methoxybenzyl)ethanethioate

(2-bromo-5-methoxybenzyl)(pent-2-yn-1-yl)sulfide
1609496-73-2

(2-bromo-5-methoxybenzyl)(pent-2-yn-1-yl)sulfide

Conditions
ConditionsYield
With potassium hydroxide In ethanol at 20℃; for 1h;99%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

S-(2-bromobenzyl)ethanethioate
1256085-49-0

S-(2-bromobenzyl)ethanethioate

(2-bromobenzyl)(pent-2-yn-1-yl)sulfide
1609496-72-1

(2-bromobenzyl)(pent-2-yn-1-yl)sulfide

Conditions
ConditionsYield
With potassium hydroxide In ethanol at 20℃; for 1h;99%
With potassium hydroxide In ethanol at 20℃; for 1h;99%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

C27H23Cl2N3NiO3

C27H23Cl2N3NiO3

C32H29Cl2N3NiO3

C32H29Cl2N3NiO3

Conditions
ConditionsYield
With sodium methylate; magnesium sulfate In neat (no solvent) at 20℃; for 0.333333h; Milling; diastereoselective reaction;99%
2-benzothiazol-2-ylsulfanyl-6-morpholin-4-yl-6-oxo-hexanoic acid methyl ester
70203-09-7

2-benzothiazol-2-ylsulfanyl-6-morpholin-4-yl-6-oxo-hexanoic acid methyl ester

1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

2-(Benzothiazol-2-ylsulfanyl)-2-(4-morpholin-4-yl-4-oxo-butyl)-hept-4-ynoic acid methyl ester
72844-46-3

2-(Benzothiazol-2-ylsulfanyl)-2-(4-morpholin-4-yl-4-oxo-butyl)-hept-4-ynoic acid methyl ester

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In acetone Heating;98%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

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

indole-2,3-dione

1-Pent-2-ynyl-1H-indole-2,3-dione
180968-93-8

1-Pent-2-ynyl-1H-indole-2,3-dione

Conditions
ConditionsYield
With lithium hydride In N,N-dimethyl-formamide 20 deg C, 4 h; 60 deg C, 1 h;98%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

dimethyl allylmalonate
40637-56-7

dimethyl allylmalonate

dimethyl 2-allyl-2-(pent-2-ynyl)malonate
191801-56-6

dimethyl 2-allyl-2-(pent-2-ynyl)malonate

Conditions
ConditionsYield
Stage #1: dimethyl allylmalonate With sodium hydride In tetrahydrofuran at 0℃; for 0.333333h;
Stage #2: 1-bromo-pent-2-yne In tetrahydrofuran at 20℃; for 11h; Further stages.;
98%
With sodium hydride In mineral oil at 20℃; for 0.5h; Schlenk technique; Inert atmosphere;91%
Stage #1: dimethyl allylmalonate With sodium hydride In tetrahydrofuran; hexane at 0 - 20℃;
Stage #2: 1-bromo-pent-2-yne In tetrahydrofuran; hexane at 20℃; for 12.25h;
72%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

6-hydroxy-2,3-dihydro-1H-indolizin-5-one
253195-68-5

6-hydroxy-2,3-dihydro-1H-indolizin-5-one

6-(pent-2-ynyloxy)-2,3-dihydroindolizin-5(1H)-one
1426932-78-6

6-(pent-2-ynyloxy)-2,3-dihydroindolizin-5(1H)-one

Conditions
ConditionsYield
With potassium carbonate; sodium iodide In acetone for 20h; Reflux;98%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

1-methylalizarin
6170-06-5

1-methylalizarin

1-methoxy-2-(pent-2-ynyloxy)anthracene-9,10-dione

1-methoxy-2-(pent-2-ynyloxy)anthracene-9,10-dione

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃;98%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

3-hydroxy-2-phenylpropene
6006-81-1

3-hydroxy-2-phenylpropene

C14H16O

C14H16O

Conditions
ConditionsYield
Stage #1: 3-hydroxy-2-phenylpropene With sodium hydride at 0 - 20℃; for 0.5h; Williamson Ether Synthesis; Inert atmosphere;
Stage #2: 1-bromo-pent-2-yne at 20℃; Williamson Ether Synthesis; Inert atmosphere;
98%
2-benzothiazol-2-ylsulfanyl-hexanedioic acid dimethyl ester
70203-07-5

2-benzothiazol-2-ylsulfanyl-hexanedioic acid dimethyl ester

1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

dimethyl 2-(2-pentynyl)-2-(2-benzothiazolylthio)adipate
72844-41-8

dimethyl 2-(2-pentynyl)-2-(2-benzothiazolylthio)adipate

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In acetone for 24h; Heating;97%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

4-hydroxy-2,3,6-trimethylbenzaldehyde
41827-90-1

4-hydroxy-2,3,6-trimethylbenzaldehyde

4-(2-Pentynyloxy)-2,3,6-trimethylbenzaldehyde
925441-96-9

4-(2-Pentynyloxy)-2,3,6-trimethylbenzaldehyde

Conditions
ConditionsYield
Stage #1: 4-hydroxy-2,3,6-trimethylbenzaldehyde With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h;
Stage #2: 1-bromo-pent-2-yne In N,N-dimethyl-formamide at 20℃; for 3h;
97%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

N-(2,2-dimethoxyethyl)-p-toluenesulfonamide
58754-95-3

N-(2,2-dimethoxyethyl)-p-toluenesulfonamide

N-(2,2-dimethoxyethyl)-4-methyl-N-pent-2-ynylbenzenesulfonamide
1290143-97-3

N-(2,2-dimethoxyethyl)-4-methyl-N-pent-2-ynylbenzenesulfonamide

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 3h;97%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

2-(hept-1-yn-1-yl)-1-(4-hydroxybut-2-yn-1-yl)cyclohex-2-en-1-ol

2-(hept-1-yn-1-yl)-1-(4-hydroxybut-2-yn-1-yl)cyclohex-2-en-1-ol

2-(hept-1-yn-1-yl)-1-(4-(pent-2-yn-1-yloxy)but-2-yn-1-yl)cyclohex-2-en-1-ol

2-(hept-1-yn-1-yl)-1-(4-(pent-2-yn-1-yloxy)but-2-yn-1-yl)cyclohex-2-en-1-ol

Conditions
ConditionsYield
With tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide In dichloromethane; water at 40℃; for 3.5h; Williamson Ether Synthesis;97%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

2-(phenylselanyl)cyclohex-2-en-1-one
57204-95-2

2-(phenylselanyl)cyclohex-2-en-1-one

LiMe2Cu

LiMe2Cu

(2S,3S)-3-Methyl-2-pent-2-ynyl-cyclopentanone

(2S,3S)-3-Methyl-2-pent-2-ynyl-cyclopentanone

Conditions
ConditionsYield
96%
1-Chloro-4-iodobenzene
637-87-6

1-Chloro-4-iodobenzene

1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

1-chloro-4-(1-ethyl-propa-1,2-dienyl)-benzene

1-chloro-4-(1-ethyl-propa-1,2-dienyl)-benzene

Conditions
ConditionsYield
With indium; lithium iodide; tetrakis(triphenylphosphine) palladium(0) In N,N-dimethyl-formamide at 100℃;96%
isovanillin
621-59-0

isovanillin

1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

4-methoxy-3-(pent-2-ynyloxy)benzaldehyde
1001289-44-6

4-methoxy-3-(pent-2-ynyloxy)benzaldehyde

Conditions
ConditionsYield
With potassium carbonate In acetone for 16h; Reflux;96%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

2-bromothiophenol
6320-02-1

2-bromothiophenol

(2-bromophenyl)(pent-2-yn-1-yl)sulfide
1609496-70-9

(2-bromophenyl)(pent-2-yn-1-yl)sulfide

Conditions
ConditionsYield
With triethylamine In toluene for 4h; Reflux;96%
With triethylamine In toluene for 4h; Reflux;96%
N-(2-Formyl-phenyl)-4-methyl-benzenesulfonamide
6590-65-4

N-(2-Formyl-phenyl)-4-methyl-benzenesulfonamide

1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

N-(2-formylphenyl)-4-methyl-N-(pent-2-yn-1-yl)benzenesulfonamide

N-(2-formylphenyl)-4-methyl-N-(pent-2-yn-1-yl)benzenesulfonamide

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 75℃; for 24h; Inert atmosphere;96%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

diethyl malonate
105-53-3

diethyl malonate

ethyl 2-carbethoxy-hept-4-yn-1-oate
98442-18-3

ethyl 2-carbethoxy-hept-4-yn-1-oate

Conditions
ConditionsYield
With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane95%
With potassium carbonate In acetone at 20℃; for 24h;57%
Stage #1: diethyl malonate With sodium ethanolate In ethanol at 20℃; for 0.166667h;
Stage #2: 1-bromo-pent-2-yne In ethanol at 20℃; for 2h; Further stages.;
31%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

3-Phenyl-2-propyn-1-ol
1504-58-1

3-Phenyl-2-propyn-1-ol

(3-(pent-2-yn-1-yloxy)prop-1-yn-1-yl)benzene
1292284-06-0

(3-(pent-2-yn-1-yloxy)prop-1-yn-1-yl)benzene

Conditions
ConditionsYield
Stage #1: 3-Phenyl-2-propyn-1-ol With sodium hydride In tetrahydrofuran at 0℃; for 0.75h; Inert atmosphere;
Stage #2: 1-bromo-pent-2-yne In tetrahydrofuran Inert atmosphere;
95%
1-bromo-pent-2-yne
16400-32-1

1-bromo-pent-2-yne

N-allyl-4-bromobenzenesulfonamide
830-41-1

N-allyl-4-bromobenzenesulfonamide

N-allyl-4-bromo-N-(but-2-yn-1-yl)benzenesulfonamide

N-allyl-4-bromo-N-(but-2-yn-1-yl)benzenesulfonamide

Conditions
ConditionsYield
Stage #1: 1-bromo-pent-2-yne; N-allyl-4-bromobenzenesulfonamide With potassium carbonate In acetonitrile for 8h; Reflux;
Stage #2: In acetonitrile at 20℃; for 14h;
95%

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