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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

Propyne Manufacturer/High quality/Best price/In stock

Cas:74-99-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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 Propyne

Cas:74-99-7

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

Methylacetylene

Cas:74-99-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable

Propyne

Cas:74-99-7

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Trading Company

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Win-Win chemical Co.Ltd

Stock products, own laboratory Product number 35655 English Name Propyne CAS Number 74-99-7 Purity 98% Molecular formula C13H8

Propyne Cas no.74-99-7 98%

Cas:74-99-7

Min.Order:1 Metric Ton

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

Wholesale price CAS 74-99-7 with best price

Cas:74-99-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

74-99-7 Propyne

Cas:74-99-7

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

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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

Propyne 74-99-7

Cas:74-99-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

Propyne CAS:74-99-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates, stero

Propyne CAS:74-99-7

Cas:74-99-7

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

Propyne

Cas:74-99-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

1-Propyne

Cas:74-99-7

Min.Order:1 Kilogram

FOB Price: $40.0 / 50.0

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

Propyne

Cas:74-99-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

Propyne / (CAS NO.74-99-7)

Cas:74-99-7

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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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-Propyne

Cas:74-99-7

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

Propyne

Cas:74-99-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

Propyne

Cas:74-99-7

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Propyne propyne CAS No.: 74-99-7 Synonyms: View More prop-1-yne; Propyne; Propine; CH3CequivCH; ALLYLENE; Methylacetylene; 1-Propyne; 1-PROPYNE; propargyl acid; Formula: C3H4 Exact Mass: 40.03130 Molecular Weight: 40.06390 PSA: 0.

CAS74-99-7 propyne

Cas:74-99-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Best Offer1-Propyne

Cas:74-99-7

Min.Order:0

Negotiable

Type:Trading Company

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Shanghai Minstar Chemical Co., Ltd

Propyne Basic information Product Name: Propyne Synonyms: ALLYLENE;PROPYNE;Acetylene, methyl-;CH3CequivCH;methyl-acetylen;Propine;Propyne 96%;PROPYNE, 99+% CAS: 74-99-7 MF: C3H4 MW: 40.06 EINECS: 200-828-4 Product Categories: M

Propyne

Cas:74-99-7

Min.Order:1 Gram

Negotiable

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

Propyne / (CAS NO.74-99-7)

Cas:74-99-7

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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

Propyne / (CAS NO.74-99-7)

Cas:74-99-7

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

Propyne / (CAS NO.74-99-7)

Cas:74-99-7

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h

Propyne

Cas:74-99-7

Min.Order:0

Negotiable

Type:Other

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Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

1-Propyne

Cas:74-99-7

Min.Order:1 Kilogram

Negotiable

Type:Other

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

Propyne / (CAS NO.74-99-7)

Cas:74-99-7

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

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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

Methylacetylene

Cas:74-99-7

Min.Order:0

Negotiable

Type:Other

inquiry

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

Propyne

Cas:74-99-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

Propyne

Cas:74-99-7

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 Propyne 100ml

Cas:74-99-7

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

Propyne (ca. 3% in Heptane)

Cas:74-99-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

4-Phenyl-1-butyne
16520-62-0

4-Phenyl-1-butyne

benzyl(but-2-yn-1-yl)amine
4626-58-8

benzyl(but-2-yn-1-yl)amine

A

N-benzyl-5-phenylpent-2-yn-1-amine

N-benzyl-5-phenylpent-2-yn-1-amine

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A 95%
B n/a
acetaldehyde
75-07-0

acetaldehyde

C8H21N4PSi
145397-30-4

C8H21N4PSi

A

α-trimethylsilyloxyethyl-N,N,N',N'-tetramethylphosphondiamide

α-trimethylsilyloxyethyl-N,N,N',N'-tetramethylphosphondiamide

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
In pentane at 20℃;A 91%
B n/a
2-cyclohexylacetylene
931-48-6

2-cyclohexylacetylene

benzyl(but-2-yn-1-yl)amine
4626-58-8

benzyl(but-2-yn-1-yl)amine

A

N-benzyl-3-cyclohexylprop-2-yn-1-amine

N-benzyl-3-cyclohexylprop-2-yn-1-amine

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A 90%
B n/a
benzyl(but-2-yn-1-yl)amine
4626-58-8

benzyl(but-2-yn-1-yl)amine

4-n-methylphenylacetylene
766-97-2

4-n-methylphenylacetylene

A

N-benzyl-3-(4-methylphenyl)-2-propynylamine
1273578-50-9

N-benzyl-3-(4-methylphenyl)-2-propynylamine

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A 87%
B n/a
4-methylpentyne
7154-75-8

4-methylpentyne

benzyl(but-2-yn-1-yl)amine
4626-58-8

benzyl(but-2-yn-1-yl)amine

A

N-benzyl-5-methylhex-2-yn-1-amine

N-benzyl-5-methylhex-2-yn-1-amine

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A 87%
B n/a
benzyl(but-2-yn-1-yl)amine
4626-58-8

benzyl(but-2-yn-1-yl)amine

hex-1-yne
693-02-7

hex-1-yne

A

N-benzylhept-2-yn-1-amine
1379038-80-8

N-benzylhept-2-yn-1-amine

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 120℃; for 12h; Reagent/catalyst; Solvent; Temperature; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A 87%
B n/a
Cyclopropylacetylene
6746-94-7

Cyclopropylacetylene

benzyl(but-2-yn-1-yl)amine
4626-58-8

benzyl(but-2-yn-1-yl)amine

A

N-benzyl 3-cyclopropyl-prop-2-ynylamine

N-benzyl 3-cyclopropyl-prop-2-ynylamine

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A 86%
B n/a
benzyl(but-2-yn-1-yl)amine
4626-58-8

benzyl(but-2-yn-1-yl)amine

phenylacetylene
536-74-3

phenylacetylene

A

N-(3-phenylprop-2-ynyl)benzenemethanamine
40032-57-3

N-(3-phenylprop-2-ynyl)benzenemethanamine

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A 85%
B n/a
sodium acetylide
1066-26-8

sodium acetylide

methyl iodide
74-88-4

methyl iodide

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
In ammonia84%
With ammonia
1-ethynyl-4-fluorobenzene
766-98-3

1-ethynyl-4-fluorobenzene

benzyl(but-2-yn-1-yl)amine
4626-58-8

benzyl(but-2-yn-1-yl)amine

A

N-benzyl-3-(4-fluorophenyl)prop-2-yn-1-amine

N-benzyl-3-(4-fluorophenyl)prop-2-yn-1-amine

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A 80%
B n/a
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

benzyl(but-2-yn-1-yl)amine
4626-58-8

benzyl(but-2-yn-1-yl)amine

A

N-benzyl 4,4-dimethyl-pent-2-ynylamine
1610010-33-7

N-benzyl 4,4-dimethyl-pent-2-ynylamine

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A 80%
B n/a
1-(4-methoxyphenyl)-4-(triphenylphosphoranylidene)hexane-1,5-dione

1-(4-methoxyphenyl)-4-(triphenylphosphoranylidene)hexane-1,5-dione

A

1-(4-methoxyphenyl)prop-2-en-1-one
7448-86-4

1-(4-methoxyphenyl)prop-2-en-1-one

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
at 650℃; under 0.01 - 0.1 Torr; for 2h;A 79%
B n/a
triphenylprop-2-ynylarsonium bromide
5903-83-3

triphenylprop-2-ynylarsonium bromide

A

1,2-propanediene
463-49-0

1,2-propanediene

B

triphenylarsineoxide
1153-05-5, 856568-31-5

triphenylarsineoxide

C

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With potassium hydroxide In methanol; water at 25℃; for 1h;A n/a
B 71.51%
C n/a
tributyl(2-bromo-2-propenyl)phosphonium bromide

tributyl(2-bromo-2-propenyl)phosphonium bromide

A

Tributylphosphine oxide
814-29-9

Tributylphosphine oxide

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With potassium hydroxide In water for 1h; Hydrolysis; Heating;A 66%
B 70%
protoanemonin
108-28-1

protoanemonin

A

1,2-propanediene
463-49-0

1,2-propanediene

B

maleic anhydride
930-60-9

maleic anhydride

C

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
at 1100℃;A 10%
B 60%
C 25%
3-(triphenylphosphoranylidene)octane-2,6-dione
163495-05-4

3-(triphenylphosphoranylidene)octane-2,6-dione

A

4-penten-3-one
1629-58-9

4-penten-3-one

B

oct-6-yn-3-one
26118-44-5

oct-6-yn-3-one

C

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
at 650℃; under 0.01 - 0.1 Torr; for 2h;A 49%
B 39%
C n/a
dimethylglyoxal
431-03-8

dimethylglyoxal

A

dimethylketene
598-26-5

dimethylketene

B

propene
187737-37-7

propene

C

carbon dioxide
124-38-9

carbon dioxide

D

methyl vinyl ketone
78-94-4

methyl vinyl ketone

E

prop-1-yne
74-99-7

prop-1-yne

F

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
With pyrographite at -196℃; Mechanism;A 2%
B 22.4%
C 9.4%
D 19%
E 2.3%
F 40.7%
(p-fluorophenyl)dimethyl(1-propynyl)stannane
93247-03-1

(p-fluorophenyl)dimethyl(1-propynyl)stannane

4-ethynyl-N,N-dimethylaniline
17573-94-3

4-ethynyl-N,N-dimethylaniline

A

{(p-(dimethylamino)phenyl)ethynyl}(p-fluorophenyl)dimethylstannane
93246-99-2

{(p-(dimethylamino)phenyl)ethynyl}(p-fluorophenyl)dimethylstannane

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
In neat (no solvent) (vac.); mixing Sn-compd. with org. compd. in stream of Ar, heating (150°C), keeping (160-175°C, 10 h); distn. (vac.), collection (155°C and higher, 0.08 mm), recrystn. (hexane/CCl4); elem. anal.;A 36%
B n/a
In neat (no solvent) (vac.); mixing Sn-compd. with org. compd. in stream of Ar, heating (150°C), keeping (160-175°C, 5 h),; distn. (vac.), collection (155°C and higher, 0.08 mm), recrystn. (hexane/CCl4); elem. anal.;A 33%
B n/a
3-(triphenylphosphoranylidene)heptane-2,6-dione
193155-13-4

3-(triphenylphosphoranylidene)heptane-2,6-dione

A

5-heptyne-2-one
22592-18-3

5-heptyne-2-one

B

methyl vinyl ketone
78-94-4

methyl vinyl ketone

C

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
at 750℃; under 0.01 - 0.1 Torr; for 2h;A 33%
B 28%
C n/a
at 650℃; under 0.01 - 0.1 Torr; for 2h;A 26%
B 32%
C n/a
1-Methyl-1-ethenylsilacyclobutane
3514-67-8

1-Methyl-1-ethenylsilacyclobutane

A

propene
187737-37-7

propene

B

ethene
74-85-1

ethene

C

1,2-propanediene
463-49-0

1,2-propanediene

D

buta-1,3-diene
106-99-0

buta-1,3-diene

E

prop-1-yne
74-99-7

prop-1-yne

F

1,3-dimethyl-1,3-divinyl-1,3-disilacyclobutane
22053-38-9

1,3-dimethyl-1,3-divinyl-1,3-disilacyclobutane

Conditions
ConditionsYield
at 775℃; under 0.008 - 0.08 Torr; Product distribution; Mechanism; other temperature;A 1.4%
B 8%
C 3.6%
D n/a
E 1.7%
F 28%
1-Methyl-1-ethenylsilacyclobutane
3514-67-8

1-Methyl-1-ethenylsilacyclobutane

A

ethene
74-85-1

ethene

B

1,2-propanediene
463-49-0

1,2-propanediene

C

prop-1-yne
74-99-7

prop-1-yne

D

1,3-dimethyl-1,3-divinyl-1,3-disilacyclobutane
22053-38-9

1,3-dimethyl-1,3-divinyl-1,3-disilacyclobutane

Conditions
ConditionsYield
at 775℃; under 0.008 - 0.08 Torr; Further byproducts given;A 8%
B 3.6%
C 1.7%
D 28%
Kinetics; Thermodynamic data; low pressure pyrolysis; also co-pyrolysis with 1,1-dimethyl-1-silacyclobutane; var. temp.;
2,3-dimethyl-buta-1,3-diene
513-81-5

2,3-dimethyl-buta-1,3-diene

1,1-Divinyl-1-silacyclobutane
74045-42-4

1,1-Divinyl-1-silacyclobutane

A

propene
187737-37-7

propene

B

ethene
74-85-1

ethene

C

Allylmethylvinylsilan

Allylmethylvinylsilan

D

3,4-Dimethyl-1-sila-1-vinylcyclopent-3-en

3,4-Dimethyl-1-sila-1-vinylcyclopent-3-en

E

prop-1-yne
74-99-7

prop-1-yne

F

acetylene
74-86-2

acetylene

G

aromatic hydrocarbons, Si-compounds

aromatic hydrocarbons, Si-compounds

Conditions
ConditionsYield
at 820℃; under 0.008 - 0.08 Torr; Product distribution; Mechanism;A 3%
B 21%
C 8%
D 14%
E 4%
F 18%
G n/a
furan
110-00-9

furan

A

ethene
74-85-1

ethene

B

prop-1-yne
74-99-7

prop-1-yne

C

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
at 700℃; Pyrolysis;
pyridine
110-86-1

pyridine

2-Butynoic acid
590-93-2

2-Butynoic acid

A

2,4-hexadiyne
2809-69-0

2,4-hexadiyne

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
Reaktion des Kupfersalzes;
methyl bromide
74-83-9

methyl bromide

sodium acetylide
1066-26-8

sodium acetylide

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With tetrahydrofuran; N,N-dimethyl-formamide
2-chloropropene
557-98-2

2-chloropropene

potassium cyanide
151-50-8

potassium cyanide

prop-1-yne
74-99-7

prop-1-yne

2-chloropropene
557-98-2

2-chloropropene

sodium ethanolate
141-52-6

sodium ethanolate

prop-1-yne
74-99-7

prop-1-yne

2-chloropropene
557-98-2

2-chloropropene

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With potassium carbonate
With sodium ethanolate
2,3-Dichloroprop-1-ene
78-88-6

2,3-Dichloroprop-1-ene

A

propene
187737-37-7

propene

B

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
With sodium
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

prop-1-yne
74-99-7

prop-1-yne

(E)-2-hepten-5-yn-4-ol
63124-69-6

(E)-2-hepten-5-yn-4-ol

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; pentane at -78℃; for 0.833333h;100%
(i) EtMgBr, Et2O, (ii) /BRN= 1209254/; Multistep reaction;
2-iodobenzonitrile
4387-36-4

2-iodobenzonitrile

prop-1-yne
74-99-7

prop-1-yne

2-(prop-1-yn-1-yl)benzonitrile
110166-79-5

2-(prop-1-yn-1-yl)benzonitrile

Conditions
ConditionsYield
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride for 6h; Ambient temperature;100%
N-methoxy-N-methyl-3,3-dimethylacrylamide
121712-53-6

N-methoxy-N-methyl-3,3-dimethylacrylamide

prop-1-yne
74-99-7

prop-1-yne

2-Methyl-2-hepten-5-yn-4-one
103576-51-8

2-Methyl-2-hepten-5-yn-4-one

Conditions
ConditionsYield
With n-butyllithium; triphenylmethane 1.) -78 deg C, 15 min, 2.) r.t., 3 h;100%
prop-1-yne
74-99-7

prop-1-yne

4-methyl-1,3,2-dithiazolium hexafluoroarsenate(V)
88047-50-1

4-methyl-1,3,2-dithiazolium hexafluoroarsenate(V)

Conditions
ConditionsYield
With dichlorodithionitronium hexafluoroarsenate In liquid sulphur dioxide100%
With dithionitronium hexafluoroarsenate In liquid sulphur dioxide Yield given;
With dithionitronium hexafluoroarsenate In liquid sulphur dioxide for 6h; Ambient temperature;
1-(Methoxymethoxy)-2-butanone
170450-99-4

1-(Methoxymethoxy)-2-butanone

prop-1-yne
74-99-7

prop-1-yne

3-<(Methoxymethoxy)methyl>-4-hexyn-3-ol
170450-89-2

3-<(Methoxymethoxy)methyl>-4-hexyn-3-ol

Conditions
ConditionsYield
With ethylmagnesium bromide In tetrahydrofuran 1.) -78 deg C to r.t.; r.t., 1 h, 2.) 0 deg C to r.t., 1 h;100%
2-iodophenylamine
615-43-0

2-iodophenylamine

prop-1-yne
74-99-7

prop-1-yne

1-(2-aminophenyl)prop-1-yne
220465-91-8

1-(2-aminophenyl)prop-1-yne

Conditions
ConditionsYield
With copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride In triethylamine at 20℃; for 27h; Arylation;100%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine Condensation;100%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In N,N-dimethyl-formamide at -78 - 20℃; for 13h; Sonogashira coupling;90%
(3-iodo-pyridin-4-yl)-carbamic acid tert-butyl ester
211029-67-3

(3-iodo-pyridin-4-yl)-carbamic acid tert-butyl ester

prop-1-yne
74-99-7

prop-1-yne

(3-prop-1-ynyl-pyridin-4-yl)-carbamic acid tert-butyl ester
211029-71-9

(3-prop-1-ynyl-pyridin-4-yl)-carbamic acid tert-butyl ester

Conditions
ConditionsYield
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride at 20℃;100%
Stage #1: (3-iodo-pyridin-4-yl)-carbamic acid tert-butyl ester; prop-1-yne; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In DMF (N,N-dimethyl-formamide); triethylamine at -78 - 20℃;
Stage #2: With ammonium chloride In DMF (N,N-dimethyl-formamide); water; ethyl acetate; triethylamine
98%
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide at -78 - 20℃; for 5 - 6h;97%
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride In N,N-dimethyl-formamide at -78 - 20℃; for 1h;
prop-1-yne
74-99-7

prop-1-yne

2,4-dibromo-6-pentyl-pyrimidine
494194-57-9

2,4-dibromo-6-pentyl-pyrimidine

4-pentyl-2,6-di-prop-1-ynyl-pyrimidine
494194-56-8

4-pentyl-2,6-di-prop-1-ynyl-pyrimidine

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃; for 3h; Sonogashira coupling;100%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 50℃; for 3h; Sonogashira coupling;100%
2,4-dibromo-pyrimidine
3921-01-5

2,4-dibromo-pyrimidine

prop-1-yne
74-99-7

prop-1-yne

2,4-di-prop-1-ynyl-pyrimidine

2,4-di-prop-1-ynyl-pyrimidine

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃; for 3h; Sonogashira coupling;100%
2,4-dibromo-5-methyl-pyrimidine
494194-61-5

2,4-dibromo-5-methyl-pyrimidine

prop-1-yne
74-99-7

prop-1-yne

5-methyl-2,4-di-prop-1-ynyl-pyrimidine
494194-51-3

5-methyl-2,4-di-prop-1-ynyl-pyrimidine

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃; for 3h; Sonogashira coupling;100%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 50℃; for 3h;99%
2,4-dibromo-6-methyl-pyrimidine

2,4-dibromo-6-methyl-pyrimidine

prop-1-yne
74-99-7

prop-1-yne

4-methyl-2,6-di-prop-ynyl-pyrimidine
494194-53-5

4-methyl-2,6-di-prop-ynyl-pyrimidine

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃; for 3h; Sonogashira coupling;100%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 50℃; for 3h;
2,4-dibromo-5,6-dimethyl-pyrimidine
753470-32-5

2,4-dibromo-5,6-dimethyl-pyrimidine

prop-1-yne
74-99-7

prop-1-yne

4,5-dimethyl-2,6-di-prop-1-ynyl-pyrinidine
494194-54-6

4,5-dimethyl-2,6-di-prop-1-ynyl-pyrinidine

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃; for 3h; Sonogashira coupling;100%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 50℃; for 3h;
4-(tert-butyldiphenylsilanyloxy)-2-butyn-1-al
112213-42-0

4-(tert-butyldiphenylsilanyloxy)-2-butyn-1-al

prop-1-yne
74-99-7

prop-1-yne

1-(tert-butyldiphenylsilanyloxy)hepta-2,5-diyn-4-ol
874667-97-7

1-(tert-butyldiphenylsilanyloxy)hepta-2,5-diyn-4-ol

Conditions
ConditionsYield
Stage #1: prop-1-yne With n-butyllithium; lithium bromide In tetrahydrofuran; hexane at -20℃; for 2h;
Stage #2: 4-(tert-butyldiphenylsilanyloxy)-2-butyn-1-al In tetrahydrofuran; hexane at -20 - 20℃;
100%
prop-1-yne
74-99-7

prop-1-yne

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

trimethyl(prop-1-ynyl)silane
6224-91-5

trimethyl(prop-1-ynyl)silane

Conditions
ConditionsYield
(Me2SiCp''2UBu)2O*2THF In tetrahydrofuran at 66℃; for 44h;100%
2-bromo-6-fluorobenzaldehyde
360575-28-6

2-bromo-6-fluorobenzaldehyde

prop-1-yne
74-99-7

prop-1-yne

2-fluoro-6-prop-1-ynylbenzaldehyde
608515-62-4

2-fluoro-6-prop-1-ynylbenzaldehyde

Conditions
ConditionsYield
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride In DMF (N,N-dimethyl-formamide) at -78 - 20℃; for 4h;100%
(η5-C5Me5)Nb(CO)4
80432-28-6

(η5-C5Me5)Nb(CO)4

prop-1-yne
74-99-7

prop-1-yne

C5(CH3)5Nb(HCCCH3)2CO

C5(CH3)5Nb(HCCCH3)2CO

Conditions
ConditionsYield
In pentane byproducts: CO; Irradiation (UV/VIS); passing a faint stream of methylacetylene through Nb complex soln. under N2; irradiation (Hg medium pressure burner, 450 W), -20°C, 8-20 min; filtration; evapn. to dryness;100%
C9H4F6INO2
1139688-61-1

C9H4F6INO2

prop-1-yne
74-99-7

prop-1-yne

C12H7F6NO2
1139688-65-5

C12H7F6NO2

Conditions
ConditionsYield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In N,N-dimethyl-formamide Sonogashira coupling;100%
(R)-2-(2-(tert-butyldimethylsilyloxy)ethyl)oxirane
95337-97-6, 110171-85-2, 130659-83-5, 95338-04-8

(R)-2-(2-(tert-butyldimethylsilyloxy)ethyl)oxirane

prop-1-yne
74-99-7

prop-1-yne

(S)-1-((tert-butyldimethylsilyl)oxy)hept-5-yn-3-ol
960211-10-3

(S)-1-((tert-butyldimethylsilyl)oxy)hept-5-yn-3-ol

Conditions
ConditionsYield
Stage #1: prop-1-yne With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1.5h; Inert atmosphere;
Stage #2: (R)-2-(2-(tert-butyldimethylsilyloxy)ethyl)oxirane With boron trifluoride diethyl etherate In tetrahydrofuran; hexane at -78 - 0℃; Inert atmosphere;
100%
Stage #1: prop-1-yne With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 2h;
Stage #2: (R)-2-(2-(tert-butyldimethylsilyloxy)ethyl)oxirane With boron trifluoride diethyl etherate In tetrahydrofuran; hexane at -78 - 0℃; for 2h;
85%
Stage #1: prop-1-yne With n-butyllithium In hexane at -78℃; for 0.0833333h;
Stage #2: With potassium hexamethylsilazane In hexane; toluene at -78℃; for 0.5h;
Stage #3: (R)-2-(2-(tert-butyldimethylsilyloxy)ethyl)oxirane With boron trifluoride diethyl etherate In tetrahydrofuran; hexane; toluene at -78℃; for 2h;
83%
Stage #1: prop-1-yne With n-butyllithium In tetrahydrofuran at -78℃; for 1h;
Stage #2: (R)-2-(2-(tert-butyldimethylsilyloxy)ethyl)oxirane With boron trifluoride diethyl etherate In tetrahydrofuran at -78 - 0℃; for 2h;
Stage #3: With ammonium chloride In tetrahydrofuran; water
80%
5-chloro-3-iodo-2-aminopyridine
211308-81-5

5-chloro-3-iodo-2-aminopyridine

prop-1-yne
74-99-7

prop-1-yne

5-chloro-3-prop-1-ynyl-pyridin-2-ylamine
1312755-53-5

5-chloro-3-prop-1-ynyl-pyridin-2-ylamine

Conditions
ConditionsYield
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In tetrahydrofuran at 0 - 20℃; for 1h;100%
(R)-benzyl glycidol
14618-80-5

(R)-benzyl glycidol

prop-1-yne
74-99-7

prop-1-yne

(2R)-1-(benzyloxy)hex-4-yn-2-ol
171075-74-4

(2R)-1-(benzyloxy)hex-4-yn-2-ol

Conditions
ConditionsYield
Stage #1: prop-1-yne With n-butyllithium In hexane; toluene at 0℃; for 1.5h;
Stage #2: With diethylaluminium chloride In hexane; toluene at 0℃; for 2h;
Stage #3: (R)-benzyl glycidol In hexane; toluene for 0.166667h;
100%
Stage #1: prop-1-yne With n-butyllithium In tetrahydrofuran at -78 - -40℃; for 0.666667h; Inert atmosphere;
Stage #2: (R)-benzyl glycidol With boron trifluoride diethyl etherate In tetrahydrofuran; toluene at -78 - 0℃; Inert atmosphere;
98%
Stage #1: prop-1-yne With n-butyllithium In tetrahydrofuran; 1,2-dimethoxyethane at -78 - -40℃; for 0.666667h; Inert atmosphere;
Stage #2: (R)-benzyl glycidol With boron trifluoride diethyl etherate In tetrahydrofuran; 1,2-dimethoxyethane at 0 - 20℃; for 1.16667h; Inert atmosphere;
98%
tert-butyl 4-azidopiperidine-1-carboxylate
180695-80-1

tert-butyl 4-azidopiperidine-1-carboxylate

prop-1-yne
74-99-7

prop-1-yne

tert-butyl 4-(4-methyl-1H-1,2,3-triazol-1-yl)-piperidine-1-carboxylate

tert-butyl 4-(4-methyl-1H-1,2,3-triazol-1-yl)-piperidine-1-carboxylate

Conditions
ConditionsYield
With copper(ll) sulfate pentahydrate; sodium L-ascorbate In water; tert-butyl alcohol at 20 - 40℃; for 5h; Sealed tube;100%
With copper(ll) sulfate pentahydrate; sodium L-ascorbate In water; tert-butyl alcohol at 20℃; for 18h;100%
prop-1-yne
74-99-7

prop-1-yne

tert-butyl (S)-3-azido-2-((tert-butoxycarbonyl)amino)propanoate
108492-14-4

tert-butyl (S)-3-azido-2-((tert-butoxycarbonyl)amino)propanoate

C15H26N4O4

C15H26N4O4

Conditions
ConditionsYield
With copper diacetate; sodium L-ascorbate In water; tert-butyl alcohol at 20℃;100%
prop-1-yne
74-99-7

prop-1-yne

2-methyl-1-penten-3-yne
926-55-6

2-methyl-1-penten-3-yne

Conditions
ConditionsYield
With methylaluminoxane In benzene-d6 at 20℃; under 1E-05 Torr; for 48h; Dimerization;99.4%
With formaldehyd; palladium(II) acetylacetonate; triethylaluminum; triphenylphosphine In toluene at 100℃; for 6h;44%
[(Et2N)3U][BPh4] In tetrahydrofuran-d8 at 110℃; for 24h; Dimerization;94 % Chromat.
methanol
67-56-1

methanol

carbon monoxide
201230-82-2

carbon monoxide

prop-1-yne
74-99-7

prop-1-yne

methacrylic acid methyl ester
80-62-6

methacrylic acid methyl ester

Conditions
ConditionsYield
With methanesulfonic acid; 2-(diphenylphosphino)pyridine; palladium diacetate at 45℃;99%
With methanesulfonic acid; N,N-dimethyl-aniline; palladium complex with bis(3,5-dimethyl-4-methoxyphenyl) (6-methyl-2-pyridyl)phosphine at 65℃; for 7h; Product distribution / selectivity; Cooling with ethanol-dry ice; Autoclave;73%
With methanesulfonic acid; 2-(diphenylphosphino)pyridine; palladium diacetate at 45℃; Mechanism; var. reagents and reaction conditions;
N-Methoxy-N-methyl-3-propyl-2-hexenamide
157731-55-0

N-Methoxy-N-methyl-3-propyl-2-hexenamide

prop-1-yne
74-99-7

prop-1-yne

6-Propyl-5-nonen-2-yn-4-one
120696-27-7

6-Propyl-5-nonen-2-yn-4-one

Conditions
ConditionsYield
With n-butyllithium; triphenylmethane 1.) -78 deg C, 15 min, 2.) r.t., 3 h;99%
1,4-dihexyl-2,5-diiodobenzene
162715-91-5

1,4-dihexyl-2,5-diiodobenzene

prop-1-yne
74-99-7

prop-1-yne

2,5-dihexyl-1,4-diprop-1-ynylbenzene
188781-60-4

2,5-dihexyl-1,4-diprop-1-ynylbenzene

Conditions
ConditionsYield
With piperidine; copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride for 3h;99%
With piperidine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide under 760 Torr; for 4h;82%
Ethyl 4-bromobenzoate
5798-75-4

Ethyl 4-bromobenzoate

prop-1-yne
74-99-7

prop-1-yne

ethyl 4-(prop-1-yn-1-29/122-yl)benzoate

ethyl 4-(prop-1-yn-1-29/122-yl)benzoate

Conditions
ConditionsYield
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride 24 deg C, then 65 deg C;99%
prop-1-yne
74-99-7

prop-1-yne

(1R,2S,5R)-2-Methyl-5-((S)-(S)-3-oxiranyl-butyl)-6,8-dioxa-bicyclo[3.2.1]octane
585526-36-9

(1R,2S,5R)-2-Methyl-5-((S)-(S)-3-oxiranyl-butyl)-6,8-dioxa-bicyclo[3.2.1]octane

(3S,4R)-3-Methyl-1-((1R,2S,5S)-2-methyl-6,8-dioxa-bicyclo[3.2.1]oct-5-yl)-oct-6-yn-4-ol
585526-37-0

(3S,4R)-3-Methyl-1-((1R,2S,5S)-2-methyl-6,8-dioxa-bicyclo[3.2.1]oct-5-yl)-oct-6-yn-4-ol

Conditions
ConditionsYield
With n-butyllithium; boron trifluoride diethyl etherate In tetrahydrofuran at -78 - 20℃;99%
1-indoline
496-15-1

1-indoline

prop-1-yne
74-99-7

prop-1-yne

4,4,6-trimethyl-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline

4,4,6-trimethyl-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline

Conditions
ConditionsYield
With ammonium hexafluorophosphate; dodecacarbonyl-triangulo-triruthenium In benzene at 95℃; for 12h;99%
With [(PCy3)2(CO)(CH3CN)2RuCCPh][BF4] In benzene-d6 at 80℃;83 % Spectr.
(2R,3S,5Z,8R,9S)-[8-benzyloxy-9-benzyloxymethyl-3-(tret-butyldimethylsilyloxy)-2,3,4,7,8,9-hexahydrooxonin-2-yl]methyl trifluoromethanesulfonate
876288-81-2

(2R,3S,5Z,8R,9S)-[8-benzyloxy-9-benzyloxymethyl-3-(tret-butyldimethylsilyloxy)-2,3,4,7,8,9-hexahydrooxonin-2-yl]methyl trifluoromethanesulfonate

prop-1-yne
74-99-7

prop-1-yne

(2R,3S,5Z,8R,9S)-3-benzyloxy-2-benzyloxymethyl-8-(tret-butyldimethylsilyloxy)-9-(but-2'-ynyl)-2,3,4,7,8,9-hexahydrooxonin
876288-82-3

(2R,3S,5Z,8R,9S)-3-benzyloxy-2-benzyloxymethyl-8-(tret-butyldimethylsilyloxy)-9-(but-2'-ynyl)-2,3,4,7,8,9-hexahydrooxonin

Conditions
ConditionsYield
Stage #1: prop-1-yne With n-butyllithium In tetrahydrofuran at -78℃; for 0.166667h;
Stage #2: (2R,3S,5Z,8R,9S)-[8-benzyloxy-9-benzyloxymethyl-3-(tret-butyldimethylsilyloxy)-2,3,4,7,8,9-hexahydrooxonin-2-yl]methyl trifluoromethanesulfonate In tetrahydrofuran at -78 - 24℃; for 3h;
99%
Stage #1: prop-1-yne With n-butyllithium In tetrahydrofuran at -78℃; for 0.25h;
Stage #2: (2R,3S,5Z,8R,9S)-[8-benzyloxy-9-benzyloxymethyl-3-(tret-butyldimethylsilyloxy)-2,3,4,7,8,9-hexahydrooxonin-2-yl]methyl trifluoromethanesulfonate In tetrahydrofuran at -78 - 25℃; for 3h;
97%

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