DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:637-44-5
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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
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inquiry1. 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
Cas:637-44-5
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inquiryOur 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:637-44-5
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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:637-44-5
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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:637-44-5
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inquiryPhenylpropiolic acid CAS:637-44-5 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
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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
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inquiryHenan 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
Best 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
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
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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
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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:637-44-5
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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:637-44-5
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inquiryPhenylpropiolic acid Chemical Properties Melting point 135-137 °C (lit.) Boiling point 225.74°C (rough estimate) density 1.1674 (rough estimate) refractive index 1.5550 (estimate) storage temp. 0-6°C pka pK1:2.269 (
Cas:637-44-5
Min.Order:1 Gram
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inquiryfactory?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
Cas:637-44-5
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inquiryShandong 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
Cas:637-44-5
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inquiry1.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
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inquiryWe 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
Cas:637-44-5
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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:637-44-5
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inquiryPhenylpropiolic acidAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
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
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
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
Shanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is
Cas:637-44-5
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Type:Other
inquiryhigh 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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
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
1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
Cas:637-44-5
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Type:Other
inquiryConditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide at 50℃; under 760.051 Torr; for 24h; Catalytic behavior; Reagent/catalyst; Temperature; | 100% |
With caesium carbonate In dimethyl sulfoxide at 50℃; under 760.051 Torr; for 16h; Catalytic behavior; Reagent/catalyst; Solvent; Temperature; Sealed tube; | 99% |
With caesium carbonate In dimethyl sulfoxide at 50℃; under 750.075 Torr; for 12h; Reagent/catalyst; Time; Schlenk technique; | 99.1% |
Conditions | Yield |
---|---|
Stage #1: carbon dioxide; phenylacetylene With diethoxymethylane; potassium tert-butylate at 40℃; for 2h; Schlenk technique; Stage #2: With hydrogenchloride In water Reagent/catalyst; Schlenk technique; | 98% |
Conditions | Yield |
---|---|
Stage #1: carbon dioxide; diethoxy(methyl)(phenylethynyl)silane With potassium tert-butylate at 40℃; for 2h; Schlenk technique; Stage #2: With hydrogenchloride In water Reagent/catalyst; Schlenk technique; | 98% |
phenylpropyolic acid
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 0.5h; | 97% |
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,4-di(diphenylphosphino)-butane In dimethyl sulfoxide at 50℃; for 5h; Sonogashira coupling; Sealed flask; | 96% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine In N,N-dimethyl-formamide for 5h; Sonogashira Cross-Coupling; Inert atmosphere; | 65% |
With cesium hydroxide In water at 60℃; for 12h; Sonogashira coupling; Inert atmosphere; | 58% |
carbon dioxide
1-Phenyl-2-(trimethylsilyl)acetylene
phenylpropyolic acid
Conditions | Yield |
---|---|
Stage #1: carbon dioxide; 1-Phenyl-2-(trimethylsilyl)acetylene With cesium fluoride In dimethyl sulfoxide at 20℃; for 3h; Schlenk technique; Stage #2: With hydrogenchloride In water at 0℃; pH=> 1; Reagent/catalyst; Solvent; | 96% |
With 18-crown-6 ether; cesium fluoride In dimethyl sulfoxide at 30℃; under 760.051 Torr; for 20h; Schlenk technique; | 94% |
Conditions | Yield |
---|---|
With water In pentane addn. of a mixture (1:3) of water and pentane under Ar at room temperature; removing solvent and volatile compound (PhCCCO2H) by vac. condensation;; | A 94.3% B 89.6% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); 1,8-diazabicyclo[5.4.0]undec-7-ene In dimethyl sulfoxide at 35℃; for 24h; Sonogashira Cross-Coupling; | 93% |
With 2-dicyclohexylphosphino-2′,6′-dimethoxybiphenyl; tris-(dibenzylideneacetone)dipalladium(0); tetra-n-butylammoniumfluoride trihydrate In 1-methyl-pyrrolidin-2-one; water at 50℃; for 4h; | 42% |
With 2-dicyclohexylphosphino-2′,6′-dimethoxybiphenyl; bis(η3-allyl-μ-chloropalladium(II)); tetra-n-butylammoniumfluoride trihydrate In 1-methyl-pyrrolidin-2-one; water at 50℃; for 16h; Inert atmosphere; | |
With tetrakis(triphenylphosphine) palladium(0); 1,8-diazabicyclo[5.4.0]undec-7-ene In dimethyl sulfoxide for 24h; |
phenylpropyolic acid
Conditions | Yield |
---|---|
Stage #1: C15H20O2Si; carbon tetrabromide In methanol at 20℃; for 0.5h; Irradiation; Stage #2: In methanol at 20℃; for 5h; | 92% |
phenylpropyolic acid
Conditions | Yield |
---|---|
With carbon tetrabromide In isopropyl alcohol for 1.5h; Heating; | 91% |
Conditions | Yield |
---|---|
With 2,2,6,6-tetramethyl-piperidine-N-oxyl; sodium hypochlorite; sodium chlorite In acetonitrile at 35℃; pH 6.7; | 90% |
With sodium hypochlorite; sodium chlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical In aq. phosphate buffer; water; acetonitrile at 35℃; pH=6.7; Green chemistry; | 90% |
Multi-step reaction with 2 steps 1: TEMPO; poly[4-(diacetoxyiodo)styrene] / acetone / 4 h / 20 °C 2: aq. TEMPO; poly[4-(diacetoxyiodo)styrene] / acetone / 24 h / 20 °C View Scheme | |
With sodium chlorite; Me-AZADO+Cl- In acetonitrile at 25℃; for 0.5h; pH=6.8; aq. phosphate buffer; |
phenylpropyolic acid
Conditions | Yield |
---|---|
With water; N,N-dimethyl-formamide at 70℃; for 0.5h; Green chemistry; chemoselective reaction; | 90% |
Stage #1: C25H24O2Si; carbon tetrabromide In methanol at 20℃; for 0.5h; Irradiation; Stage #2: In methanol at 20℃; for 48h; | 61% |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol for 1.5h; | 84% |
With aluminium(III) iodide In acetonitrile for 0.5h; Heating; | 80% |
With water; sodium hydroxide In ethanol at 50℃; for 1.5h; | 56% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); 1,8-diazabicyclo[5.4.0]undec-7-ene In dimethyl sulfoxide at 35℃; for 24h; Sonogashira Cross-Coupling; | 84% |
methyl 2,3-dibromo-3-phenylpropanoate
phenylpropyolic acid
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol for 6h; Reflux; | 75.9% |
With potassium hydroxide In ethanol at 85℃; for 36h; | 73% |
Conditions | Yield |
---|---|
Stage #1: phenylethynylmagnesium bromide; carbon dioxide In tetrahydrofuran at 20℃; under 3000.3 Torr; gas-liquid flow reactor assembly; Stage #2: With polymer-supported sulfonic acid In tetrahydrofuran | 75% |
Conditions | Yield |
---|---|
With hydrogenchloride; sodium chlorite; sodium dihydrogenphosphate; dihydrogen peroxide In water; acetonitrile at 10℃; for 1h; | A 6% B 74% |
Conditions | Yield |
---|---|
With Oxone; ethylenediaminetetraacetic acid; sodium hydrogencarbonate In acetone; acetonitrile at 0 - 2℃; for 3.5h; Oxidation; | 73% |
With poly[4-(diacetoxyiodo)styrene]; 2,2,6,6-tetramethyl-piperidine-N-oxyl In acetone at 20℃; for 24h; | |
Multi-step reaction with 2 steps 1: 70 percent / acetic acid; diethyl ether / 1 h / -10 °C 2: 27.4 percent / KOH, MnO2 / benzene / 3 h / Ambient temperature; other solvent, without MnO2 View Scheme | |
With potassium permanganate In water; acetonitrile |
carbon dioxide
phenylacetylene
A
1,4-diphenyl-1,3-butadiyne
B
phenylpropyolic acid
Conditions | Yield |
---|---|
With [tris(3,5-bis(trifluoromethyl)pyrazolate)tricopper(I)] In N,N-dimethyl-formamide at 20℃; under 760.051 Torr; for 12h; | A 10% B 72% |
Stage #1: carbon dioxide; phenylacetylene With sodium carbonate; N,N,N,N,-tetramethylethylenediamine; copper(l) chloride In acetonitrile at 20℃; for 24h; Stage #2: With hydrogenchloride In dichloromethane; water pH=1; | A 10% B 60% |
phenylpropyolic acid
Conditions | Yield |
---|---|
With tert.-butylnitrite; water at 29℃; for 0.583333h; | 72% |
phenylpropyolic acid
Conditions | Yield |
---|---|
With water; sodium hydrogencarbonate at 20℃; for 12h; Elimination; | 71% |
Conditions | Yield |
---|---|
With pyrographite; sodium hydroxide In water at 20℃; for 24h; | 71% |
With water; sodium hydroxide In ethanol Inert atmosphere; | |
With sodium hydroxide In methanol; water at 20℃; for 3h; |
2-hydroxy-4-phenyl-3-butynenitrile
phenylpropyolic acid
Conditions | Yield |
---|---|
With manganese(IV) oxide In diethyl ether at 20 - 25℃; for 19h; | 66.6% |
carbon dioxide
4,4,5,5-tetramethyl-2-phenylethynyl-[1,3,2]dioxaborolane
phenylpropyolic acid
Conditions | Yield |
---|---|
With copper(l) iodide; cesium fluoride; sodium t-butanolate; 1,3-bis[2,6-diisopropylphenyl]imidazolium chloride In 2-methyltetrahydrofuran at 120℃; for 24h; Solvent; Sealed tube; | 63% |
chloroform
phenyl(phenylethynyl)iodonium tosylate
A
iodobenzene
B
phenylpropyolic acid
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; potassium hydroxide at 50℃; for 1h; Carbonylation; | A n/a B 61% |
Conditions | Yield |
---|---|
With potassium hydroxide In methanol Heating; | 58.7% |
Reaktion ueber mehrere Stufen; | |
Multi-step reaction with 2 steps 1: 56 percent / KOH / methanol / Heating 2: 57.5 percent / KOH / methanol / Heating View Scheme | |
Multi-step reaction with 2 steps 1: water 2: diethyl ether; sodium View Scheme | |
With potassium hydroxide for 2h; Reflux; Inert atmosphere; Schlenk technique; | 5.7 g |
(E)-2-Bromo-3-phenyl-acrylic acid
phenylpropyolic acid
Conditions | Yield |
---|---|
With potassium hydroxide In methanol Heating; | 57.5% |
Conditions | Yield |
---|---|
With thionyl chloride In dichloromethane for 12h; Inert atmosphere; Reflux; | 100% |
With thionyl chloride In dichloromethane at 40℃; for 16h; | 80% |
With thionyl chloride In tetrachloromethane at 30 - 40℃; for 2h; | 73% |
Conditions | Yield |
---|---|
Stage #1: phenylpropyolic acid With triethylamine In dichloromethane at 20℃; for 1.5h; Schlenk technique; Inert atmosphere; Stage #2: With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide In dichloromethane; 1,2-dichloro-ethane at 0 - 20℃; Temperature; Time; Reagent/catalyst; Schlenk technique; Inert atmosphere; | 100% |
With 1-ethyl-piperidine; N,N-bis[2-oxo-3-oxazolidinyl]phosphorodiamidic chloride In dichloromethane at 20℃; for 0.75h; | 97% |
With palladium diacetate; caesium carbonate; triphenylphosphine In acetonitrile at 20℃; for 0.05h; Reagent/catalyst; | 96% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0) | 100% |
With [Au(DPB)SbF6]2(cod) In 1,2-dichloro-ethane at 20℃; for 24h; Inert atmosphere; | 24% |
With water at 120℃; im geschlossenen Rohr; |
diazomethane
phenylpropyolic acid
phenylpropynoic acid methyl ester
Conditions | Yield |
---|---|
In diethyl ether | 100% |
In diethyl ether | 70% |
S,S-dimethyl dithiocarbonate
phenylpropyolic acid
(E)-3-Methylsulfanyl-3-phenyl-acrylic acid
Conditions | Yield |
---|---|
With potassium hydroxide at 25 - 60℃; for 0.166667h; | 100% |
S,S-diethyl dithiocarbonate
phenylpropyolic acid
(E)-3-Ethylsulfanyl-3-phenyl-acrylic acid
Conditions | Yield |
---|---|
With potassium hydroxide at 25 - 60℃; for 0.166667h; | 100% |
S,S'-di-n-butyl dithiocarbonate
phenylpropyolic acid
(E)-3-Butylsulfanyl-3-phenyl-acrylic acid
Conditions | Yield |
---|---|
With potassium hydroxide at 90℃; for 0.5h; | 100% |
Conditions | Yield |
---|---|
With caesium carbonate In acetonitrile for 1.5h; Heating; | 100% |
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 2h; Reagent/catalyst; Solvent; Inert atmosphere; | 68% |
morpholine
phenylpropyolic acid
1-(morpholin-4-yl)-3-phenylprop-2-yn-1-one
Conditions | Yield |
---|---|
Stage #1: phenylpropyolic acid With (chloro-phenylthio-methylene)dimethylammonium chloride In dichloromethane at 0℃; for 0.5h; Stage #2: morpholine In dichloromethane at 20℃; for 12h; | 100% |
With oxalyl dichloride; triethylamine In dichloromethane at 0 - 20℃; for 5h; Schlenk technique; Inert atmosphere; | 84% |
Stage #1: phenylpropyolic acid With thionyl chloride In dichloromethane at 40℃; for 2h; Stage #2: morpholine In benzene at 10℃; for 1h; |
4-bromo-3,5-dimethylphenol
phenylpropyolic acid
4-bromo-3,-5-dimethyl-phenyl 3-phenylpropiolate
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 9h; Cooling with ice; | 100% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 9h; Cooling with ice; | 100% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 9h; Cooling with ice; | 100% |
With dmap; dicyclohexyl-carbodiimide at 20℃; Esterification; | 80% |
phenylacetic acid
3-dimethylamino-1-(4-methylphenyl)propanamine
4-Methoxyphenylacetic acid
(E)-3-phenylacrylic acid
3-(4-methoxyphenyl)propanoic acid
(E)-3-(4-methoxyphenyl)acrylic acid
4-Trifluoromethylphenylacetic acid
3-<4'-(trifluoromethyl)phenyl>-2-propenoic acid
3-(4-trifluoromethylphenyl)propionic acid
phenylpropyolic acid
3-Phenylpropionic acid
Conditions | Yield |
---|---|
With polyvinylpyridine polymer-supported dimethylaminopyridine; PS-carbodiimide In dichloromethane at 20℃; for 96h; Polystyrene; | A 100% B 100% C 93% D 98% E 93% F 96% G 78% H 98% I 56% J 87% |
phenylacetic acid
3-dimethylamino-1-(2-naphthyl)propanamine
4-Methoxyphenylacetic acid
(E)-3-phenylacrylic acid
3-(4-methoxyphenyl)propanoic acid
(E)-3-(4-methoxyphenyl)acrylic acid
4-Trifluoromethylphenylacetic acid
3-<4'-(trifluoromethyl)phenyl>-2-propenoic acid
3-(4-trifluoromethylphenyl)propionic acid
phenylpropyolic acid
3-Phenylpropionic acid
Conditions | Yield |
---|---|
With polyvinylpyridine polymer-supported dimethylaminopyridine; PS-carbodiimide In dichloromethane at 20℃; for 96h; Polystyrene; | A 88% B 79% C 67% D 66% E 84% F 94% G 76% H 100% I 100% J 100% |
1-(4-chlorophenyl)-N3,N3-dimethylpropane-1,3-diamine
phenylacetic acid
4-Methoxyphenylacetic acid
(E)-3-phenylacrylic acid
3-(4-methoxyphenyl)propanoic acid
(E)-3-(4-methoxyphenyl)acrylic acid
4-Trifluoromethylphenylacetic acid
3-<4'-(trifluoromethyl)phenyl>-2-propenoic acid
3-(4-trifluoromethylphenyl)propionic acid
phenylpropyolic acid
3-Phenylpropionic acid
A
N-[1-(4-chlorophenyl)-3-dimethylaminopropyl]-2-phenylacetamide
Conditions | Yield |
---|---|
With polyvinylpyridine polymer-supported dimethylaminopyridine; PS-carbodiimide In dichloromethane at 20℃; for 96h; Polystyrene; | A 92% B 96% C 96% D 92% E 83% F 81% G 83% H 97% I 83% J 100% |
phenylpropyolic acid
d-3-phenylpropiolic acid
Conditions | Yield |
---|---|
With water-d2 at 20℃; for 0.5h; | 100% |
With d(4)-methanol at 20℃; for 0.5h; Inert atmosphere; Schlenk technique; |
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 130℃; for 48h; | 100% |
With copper(l) iodide; 1,10-Phenanthroline; potassium carbonate In dimethyl sulfoxide at 100℃; for 12h; Reagent/catalyst; | 97% |
With tetrakis(triphenylphosphine) palladium(0); silver carbonate In N,N-dimethyl-formamide at 130℃; for 20h; Inert atmosphere; Sealed tube; | 96% |
4'-methyl-biphenyl-4-ol
phenylpropyolic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 11h; Cooling with ice; | 100% |
Conditions | Yield |
---|---|
Stage #1: phenylpropyolic acid With N-(methyl)-N-(p-toluenesulfonyl)ethynylamine In dichloromethane at 20℃; Stage #2: ethanol With N,N,N'N'-tetramethyl-1,3-propanediamine In acetonitrile at 20℃; for 24h; | 99% |
With fluorosulfonyl fluoride; N-ethyl-N,N-diisopropylamine In 1,2-dichloro-ethane at 20℃; for 5h; | 99% |
With graphene oxide at 100℃; for 24h; Catalytic behavior; Reagent/catalyst; Temperature; | 98% |
Conditions | Yield |
---|---|
With LaNi5 hydride In tetrahydrofuran; methanol 1) 0 deg C, 2 h, 2) r.t., 15 h; | 99% |
With ferrous ammonium sulphate hexahydrate; isopropyl β-D-thiogalactopyranoside In aq. phosphate buffer at 37℃; for 48h; | 92% |
With water; palladium diacetate; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In dichloromethane at 25℃; for 12h; Schlenk technique; Inert atmosphere; | 71% |
Conditions | Yield |
---|---|
With N-iodo-succinimide; tetrabutylammonium trifluoroacetate In 1,2-dichloro-ethane at 20℃; for 0.25h; iododecarboxylation; | 99% |
With N-iodo-succinimide; triethylamine In dichloromethane at 20℃; for 0.0833333h; Hunsdiecker reaction; | 97% |
With 1-iodo-3,5,5-trimethylhydantoin; triethylamine In dichloromethane at 20℃; for 0.0833333h; Concentration; Reagent/catalyst; | 97% |
Conditions | Yield |
---|---|
With potassium fluoride; tetra(n-butyl)ammonium hydrogensulfate In tetrahydrofuran at 20℃; for 3h; | 99% |
With copper(l) iodide; caesium carbonate; acetonitrile at 60℃; for 24h; | 99% |
Stage #1: phenylpropyolic acid With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.166667h; Stage #2: benzyl bromide In N,N-dimethyl-formamide for 66h; | 93% |
Conditions | Yield |
---|---|
trifluorormethanesulfonic acid | 99% |
With aluminum tri-bromide at 60℃; for 1h; | 30% |
Triethyl orthoacetate
phenylpropyolic acid
phenylpropynoic acid ethyl ester
Conditions | Yield |
---|---|
In various solvent(s) at 80℃; for 0.5h; | 99% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide at 0℃; | 99% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide at 0℃; | 99% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide at 0℃; | 99% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide at 0℃; | 99% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide at 0℃; | 99% |
2-Methylene-1-butanol
phenylpropyolic acid
2-ethylallyl 3-phenylpropiolate
Conditions | Yield |
---|---|
With dmap; diisopropyl-carbodiimide In dichloromethane at 25℃; for 4h; Inert atmosphere; | 99% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 25℃; for 10h; |
3-methoxy-1-iodobenzene
phenylpropyolic acid
1-methoxy-3-(phenylethynyl)benzene
Conditions | Yield |
---|---|
With copper(l) iodide; potassium carbonate; triphenylphosphine In dimethyl sulfoxide at 90℃; for 24h; Inert atmosphere; | 99% |
With copper(l) iodide; potassium carbonate; triphenylphosphine In dimethyl sulfoxide at 100℃; for 24h; Inert atmosphere; | 99% |
Stage #1: phenylpropyolic acid With silver(l) oxide In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Inert atmosphere; Stage #2: 3-methoxy-1-iodobenzene With tris(dibenzylideneacetone)dipalladium(0) chloroform complex; triphenylphosphine; lithium iodide In N,N-dimethyl-formamide at 70℃; for 2h; Sonogashira coupling; Inert atmosphere; | 86% |
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