hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developmen
Cas:6746-94-7
Min.Order:20 Kilogram
FOB Price: $10.0 / 100.0
Type:Trading Company
inquiryDayangChem 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
Cas:6746-94-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:6746-94-7
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiry1. Quality Our products meet MSDS safe standard and we have ISO and other certificate so yan can get high quality products from our company. 2. Price We are the company which is the joint of trade and industry so we cao provide the competiti
Cas:6746-94-7
Min.Order:1 Metric Ton
Negotiable
Type:Trading Company
inquiryhe company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:Whit
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
Assay: 99% up; Stable supply with over 50Mt annually; Appearance:Transparent to light-yellow liquid Storage:room temprature Package:1kg/bag, 25kg/drum Application:Intermediate of Efavirenz Port:Beijing/Shanghai/Shenzhen/Hangzhou
Cas:6746-94-7
Min.Order:1 Kilogram
FOB Price: $35.0 / 45.0
Type:Trading Company
inquiryCyclopropyl acetylene CAS No: 6746-94-7 Molecular Structure: Specifications: Item Details Appearance colorless transparent liquid
Cas:6746-94-7
Min.Order:1 Kilogram
FOB Price: $2.0 / 3.0
Type:Manufacturers
inquiryCangzhou 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
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
Cas:6746-94-7
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryTIANFUCHEM--6746-94-7--Cyclopropyl acetylene factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable business
Cas:6746-94-7
Min.Order:1 Metric Ton
FOB Price: $2000.0
Type:Lab/Research institutions
inquiryWITH 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
Cas:6746-94-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:6746-94-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam
Cas:6746-94-7
Min.Order:1 Kilogram
FOB Price: $7.0 / 10.0
Type:Trading Company
inquiryChemical Name: Cyclopropyl acetylene CAS No.: 6746-94-7 Molecular Fomula: C5H6 Molecular weight:66.1 Appearance:colorless Assay:99% Appearance:Colorless transparent liquid Storage: Room Temperature Package: 25kg/drum Application:Pharmaceu
Cas:6746-94-7
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
inquiryWe 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
Cas:6746-94-7
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiry1.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
Cas:6746-94-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryCyclopropyl acetylene CAS:6746-94-7 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 inte
Cas:6746-94-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:6746-94-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several
Cas:6746-94-7
Min.Order:25 Gram
FOB Price: $90.0 / 100.0
Type:Trading Company
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
Cas:6746-94-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur 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 s
Cas:6746-94-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryHangzhou 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
Cas:6746-94-7
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryJ&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
Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase to assembly. 2 Professional R&D
Cas:6746-94-7
Min.Order:10 Gram
FOB Price: $5.0 / 8.0
Type:Trading Company
inquiryMassive 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
Cas:6746-94-7
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryZibo 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
Cas:6746-94-7
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:colourless or light yellow liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharm
Product name: Cyclopropyl Acetylene CAS No.:6746-94-7 Molecule Formula:C5H6 Molecule Weight:66.10 Purity: 99.0% Package: 200kg/drum Description:Colorless transparent liquid Manufacture Standards:Enterprise Standard
Cas:6746-94-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiry1-chloro-1-cyclopropylethene
Cyclopropylacetylene
Conditions | Yield |
---|---|
With potassium hydroxide In decane; water at 90℃; for 4h; | 96% |
2,2-dimethyl-3-butyne
A
Cyclopropylacetylene
B
N-benzyl 4,4-dimethyl-pent-2-ynylamine
Conditions | Yield |
---|---|
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube; | A n/a B 94% |
1-chloro-4-pentyne
Cyclopropylacetylene
Conditions | Yield |
---|---|
90% | |
With n-butyllithium; ammonium chloride In cyclohexane at 0 - 80℃; | 65% |
With n-butyllithium In cyclohexane at 0 - 78℃; Inert atmosphere; | 58% |
With n-butyllithium In cyclohexane other reagent: n-hexyllithium; | |
With n-butyllithium In cyclohexane at -20 - 78℃; for 4h; Inert atmosphere; |
Conditions | Yield |
---|---|
With Lu(N(SiMe3)2)3 In toluene at 120℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube; | A n/a B 90% |
Conditions | Yield |
---|---|
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube; | A n/a B 90% |
α,α-dichloroethylcyclopropane
Cyclopropylacetylene
Conditions | Yield |
---|---|
With sodium hydroxide In 2-ethoxy-ethanol at 60℃; | 89% |
With potassium tert-butylate In dimethyl sulfoxide | |
With ammonia; sodium amide | |
With potassium tert-butylate In toluene at 40℃; for 4h; Dehydrochlorination; |
1,1-dichloro-2-cyclopropylethylene
Cyclopropylacetylene
Conditions | Yield |
---|---|
With methyllithium In tetrahydrofuran at -30 - 0℃; for 1h; Dehalogenation; | 89% |
With methyllithium In tetrahydrofuran at -30 - 0℃; for 1h; | 89% |
Conditions | Yield |
---|---|
Stage #1: chloroprene With 5,10,15,20-tetraphenyl porphyrin iron In acetone at 0℃; for 0.5h; Inert atmosphere; Stage #2: diazomethane In acetone Reagent/catalyst; Solvent; Temperature; | 87.1% |
4-n-methylphenylacetylene
A
Cyclopropylacetylene
B
N-benzyl-3-(4-methylphenyl)-2-propynylamine
Conditions | Yield |
---|---|
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube; | A n/a B 87% |
trimethylsilylacetylene
A
Cyclopropylacetylene
B
6,6-dimethyl-1-phenyl-2-aza-6-sila-4-heptyne
Conditions | Yield |
---|---|
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube; | A n/a B 87% |
Conditions | Yield |
---|---|
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube; | A n/a B 87% |
Cyclopropylacetylene
Conditions | Yield |
---|---|
With potassium hydroxide In iso-butanol | 85% |
With potassium hydroxide In tert-Amyl alcohol | 75% |
diazomethane
Cyclopropylacetylene
Conditions | Yield |
---|---|
Stage #1: 2-(trimethylsilyl)-1-buten-3-yne With tris-(dibenzylideneacetone)dipalladium(0) In tert-butyl methyl ether at -10℃; for 0.5h; Inert atmosphere; Stage #2: diazomethane In tert-butyl methyl ether Reagent/catalyst; Solvent; Temperature; | 83.9% |
Conditions | Yield |
---|---|
With 1,4-benzenedicarboxylic acid dimethyl ester; phosphorus pentachloride; potassium hydroxide In methanol at 0℃; for 5h; | 74% |
Conditions | Yield |
---|---|
With potassium tert-butylate In dimethyl sulfoxide at 90℃; under 80 Torr; Title compound not separated from byproducts; | A 4% B 70% |
phenylacetylene
A
Cyclopropylacetylene
B
N-(3-phenylprop-2-ynyl)benzenemethanamine
Conditions | Yield |
---|---|
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube; | A n/a B 60% |
4-Phenyl-1-butyne
A
Cyclopropylacetylene
Conditions | Yield |
---|---|
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube; | A n/a B 57% |
Conditions | Yield |
---|---|
With potassium hydroxide; phosphorus pentachloride In quinoline; dodecane; dimethyl sulfoxide; toluene | 55.6% |
With phosphorus pentachloride In quinoline; n-heptane | |
With phosphorus pentachloride In quinoline; chlorobenzene | |
Multi-step reaction with 3 steps 1: 2 h / 20 °C 2: aluminum oxide 3: n-butyllithium / 5 h / 110 °C View Scheme | |
Stage #1: Cyclopropyl methyl ketone With triphenyl phosphite; bromine; triethylamine In dichloromethane at -10℃; for 2h; Reflux; Green chemistry; Stage #2: With potassium hydroxide In dimethyl sulfoxide at 40 - 110℃; for 2h; Reagent/catalyst; Solvent; Green chemistry; | 102.2 g |
(1-methoxyethenyl)cyclopropane
Cyclopropylacetylene
Conditions | Yield |
---|---|
With n-butyllithium at 110℃; for 5h; | 39% |
With n-butyllithium at 100℃; for 5h; |
1',2'-Dibromethylcyclopropan
Cyclopropylacetylene
Conditions | Yield |
---|---|
With 2-ethoxy-ethanol; potassium hydroxide |
1-chloro-1-cyclopropylethene
A
Cyclopropyl methyl ketone
B
Cyclopropylacetylene
Conditions | Yield |
---|---|
With silver perchlorate In acetic acid |
α,α-dichloroethylcyclopropane
A
Cyclopropylacetylene
B
1-chloro-1-cyclopropylethene
C
2-methyl-1-buten-3-yne
Conditions | Yield |
---|---|
With potassium hydroxide; 2,2'-[1,2-ethanediylbis(oxy)]bisethanol |
(1-iodovinyl)cyclopropane
Cyclopropylacetylene
Conditions | Yield |
---|---|
With triethylamine at 150℃; |
1,1-dibromo-2-cyclopropylehylene
Cyclopropylacetylene
Conditions | Yield |
---|---|
With iodine; magnesium In tetrahydrofuran for 0.5h; Heating; |
α,α-dichloroethylcyclopropane
A
pent-1-en-3-yne
B
Cyclopropylacetylene
Conditions | Yield |
---|---|
With potassium tert-butylate In toluene; tert-butyl alcohol at 40℃; Dehydrochlorination; |
Cyclopropylacetylene
Conditions | Yield |
---|---|
With methyllithium In tetrahydrofuran at -30 - 0℃; for 1h; Elimination; | 94 % Chromat. |
With methyllithium |
Cyclopropylacetylene
Conditions | Yield |
---|---|
With sodium amide In dimethyl sulfoxide at 15 - 20℃; for 1h; Elimination; | 67 % Chromat. |
Cyclopropylacetylene
Conditions | Yield |
---|---|
With methyllithium In tetrahydrofuran; diethyl ether at -10 - 0℃; for 1h; Elimination; | 95 % Chromat. |
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