Dayangchem's 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. DayangChem can provide different quantities
Cas:64920-29-2
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:64920-29-2
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inquiryThe 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
Cas:64920-29-2
Min.Order:1
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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:64920-29-2
Min.Order:1 Gram
FOB Price: $0.1
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 ap
Cas:64920-29-2
Min.Order:1 Kilogram
FOB Price: $5.0
Type:Manufacturers
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:64920-29-2
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:64920-29-2
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Trading Company
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:64920-29-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct Name: Ethyl 2-oxo-4-phenylbutyrate CAS No.: 64920-29-2 EINECS: 265-276-9 Molecular Formula: C12H14O3 Molecular Weight: 206.24 Appearance:yellow liquid Application: Pharmaceutical Intermediates Appearance: Colorless to light-yel
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
Cas:64920-29-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:64920-29-2
Min.Order:1 Kilogram
FOB Price: $63.0 / 67.0
Type:Trading Company
inquiryEthyl 2-oxo-4-phenylbutyrate CAS:64920-29-2 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 orga
Cas:64920-29-2
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:64920-29-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
Product Name: Ethyl 2-oxo-4-phenylbutyrate Synonyms: 2-OXO-4-PHENYLBUTANOIC ACID ETHYL ESTER;2-OXO-4-PHENYLBUTYRIC ACID ETHYL ESTER;4-PHENYL-2-OXOBUTYRIC ACID ETHYL ESTER;BENZYLPYRUVIC ACID ETHYL ESTER;KETO ESTER;ETHYL BENZYLPYRUVATE;ETHYL-2 OXO
Cas:64920-29-2
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur 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
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Min.Order:0 Metric Ton
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Type:Lab/Research institutions
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Cas:64920-29-2
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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Cas:64920-29-2
Min.Order:0 Metric Ton
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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
Cas:64920-29-2
Min.Order:0
Negotiable
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:64920-29-2
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryLisinopril IntermediateAppearance:White fine powder Storage:Kept in a cool,dry and ventilated place Package:according to customers' requirements Application:Meets the requirements Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(FOB
We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:64920-29-2
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Cas:64920-29-2
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur 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 o
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Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:64920-29-2
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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:64920-29-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:64920-29-2
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryLocated 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
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Shanghai Massive Chemical Technology Co., Ltd. is engaged in development, production and marketing Specialty Chemicals to satisfy the changing needs of the chemical industry. We specialize in manufacturing high quality of Advanced Intermediates, Sp
Cas:64920-29-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryethyl 2-hydroxy-4-phenylbutanoate
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; calcium methylate In acetonitrile at 0 - 20℃; | 99% |
With 4-hydroxy-TEMPO benzoate; sodium acetate In dichloromethane | 98% |
With hydrogenchloride; sodium hypobromide In dichloromethane; water at 25℃; for 5h; | 94% |
(Z)-ethyl 2-oxo-4-phenyl-3-butenoate
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
98% |
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With potassium permanganate; sodium hydrogencarbonate; magnesium sulfate In water; acetone at 23℃; for 0.0833333h; | 93% |
D-homophenylalanine
ethyl acetate
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hypochlorite; tetrabutylammomium bromide In water at 0 - 40℃; Product distribution / selectivity; | 84.1% |
(E)-ethyl-2-oxo-4-phenylbut-3-enoate
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With 1-propyl-1,4-dihydronicotinamide; magnesium(II) perchlorate In acetonitrile Ambient temperature; | 82% |
ethanol
1-nitro-4-phenylbutan-2-one
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With 1-[4-(diacetoxyiodo)benzyl]-3-methylimidazolium tetrafluoroborate for 1h; Reflux; | 80% |
1-phenyl-2-bromoethane
oxalic acid diethyl ester
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
Stage #1: 1-phenyl-2-bromoethane With magnesium In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Stage #2: oxalic acid diethyl ester In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; | 79% |
Stage #1: 1-phenyl-2-bromoethane With magnesium In tetrahydrofuran for 1h; Reflux; Inert atmosphere; Stage #2: oxalic acid diethyl ester In tetrahydrofuran at -10℃; for 1.5h; Inert atmosphere; Stage #3: With hydrogenchloride In tetrahydrofuran; water Inert atmosphere; | 60% |
Stage #1: 1-phenyl-2-bromoethane With iodine; magnesium In tetrahydrofuran for 1h; Reflux; Stage #2: oxalic acid diethyl ester In tetrahydrofuran at -78 - 0℃; for 1h; | 50% |
phenethylmagnesium bromide
ethyl 3,5-dimethyl-1-pyrazolylglyoxylate
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
In diethyl ether at -90℃; for 1h; | 76% |
ethanol
3-oxo-5-phenyl-pentanenitrile
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene In dichloromethane for 2h; Reflux; | 57% |
phenethylmagnesium bromide
oxalic acid diethyl ester
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
In tetrahydrofuran at -10℃; for 1h; | 55% |
In diethyl ether at -10℃; for 2h; |
2,2-Bis-ethylsulfanyl-4-phenyl-butyric acid ethyl ester
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With water; calcium carbonate; mercury dichloride |
ethanol
dihydrocinnamonitrile
methyl methylsulfinylmethyl sulfide
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
(i) NaH, (ii) /BRN= 1718733/, CuCl2, CuO; Multistep reaction; |
2-oxo-4-phenylbutyric acid
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
In ethanol; sulfuric acid for 5h; Heating; Yield given; |
ethyl L-2-amino-4-phenylbutyrate
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With tert.-butylnitrite; 3-chloro-benzenecarboperoxoic acid; isopentyl nitrite 1.) chloroform, 2.) 30 min; Yield given. Multistep reaction; | |
With sodium hypochlorite Product distribution / selectivity; |
Conditions | Yield |
---|---|
With zinc(II) chloride 1.) ether, room temperature, 24 h, 2.) ether, 0 deg C, 3 h; Yield given. Multistep reaction; |
phenethylmagnesium chloride
oxalic acid diethyl ester
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
In diethyl ether Grignard reaction; |
2-oxo-propionic acid ethyl ester
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
In dichloromethane at 35℃; for 144h; |
2-hydroxy-4-phenylbutanoic acid
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 93 percent / SOCl2 / 10 h / Ambient temperature 2: 87 percent Chromat. / CrO3-pyridine / CH2Cl2 / 2.5 h / other reagents: K3Cl>, CrO3/Al2O3 View Scheme |
benzaldehyde
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 78 percent Chromat. / NaOH / temp. <=10 deg C 2: 77 percent / hydrogen / Ni-Raney / ethanol; H2O / 4 h / Ambient temperature; other catalyst: Ni on Kieselguhr 3: 93 percent / SOCl2 / 10 h / Ambient temperature 4: 87 percent Chromat. / CrO3-pyridine / CH2Cl2 / 2.5 h / other reagents: K3Cl>, CrO3/Al2O3 View Scheme |
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 77 percent / hydrogen / Ni-Raney / ethanol; H2O / 4 h / Ambient temperature; other catalyst: Ni on Kieselguhr 2: 93 percent / SOCl2 / 10 h / Ambient temperature 3: 87 percent Chromat. / CrO3-pyridine / CH2Cl2 / 2.5 h / other reagents: K3Cl>, CrO3/Al2O3 View Scheme |
ethyl dihydrocinnamate
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1) NaOMe; 2) 15 percent H2SO4 / 1) MeOH, 60-70 deg C, 1.5 h; 2) reflux 15 h 2: ethanol; H2SO4 / 5 h / Heating View Scheme |
ethyl Bromopyruvate
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 85 percent / HCO3(1-) 2: 41 percent / xylene 3: 82 percent / 1-n-propyl-1,4-dihydronicotinamide (PNAH, 4) / Mg(ClO4)2 / acetonitrile / Ambient temperature View Scheme |
ethyl 2-oxo-3-(triphenylphosphoranylidene)propanoate
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 41 percent / xylene 2: 82 percent / 1-n-propyl-1,4-dihydronicotinamide (PNAH, 4) / Mg(ClO4)2 / acetonitrile / Ambient temperature View Scheme |
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: (i) THF, (ii) /BRN= 385653/ 2: H2O, CaCO3, HgCl2 View Scheme |
ethanol
2-oxo-4-phenylbutyric acid
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With pyridine; methanesulfonyl chloride In tetrahydrofuran at 0 - 20℃; |
oxalic acid diethyl ester
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether at -78℃; |
phenylacetaldehyde
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere 1.2: 5.75 h / -78 - 20 °C / Inert atmosphere 2.1: acetic acid; cesium fluoride / acetonitrile / 5 h / 0 - 20 °C / Inert atmosphere View Scheme |
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With acetic acid; cesium fluoride In acetonitrile at 0 - 20℃; for 5h; Inert atmosphere; |
diazo(trimethylsilyl)methyl magnesium bromide
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
In various solvents at -78℃; for 1.5h; | 100% |
2-oxo-4-phenylbutanoic acid ethyl ester
ethyl 3-bromo-2-oxo-4-phenylbutanoate
Conditions | Yield |
---|---|
With copper(ll) bromide In chloroform; ethyl acetate for 6h; Reflux; | 99% |
With bromine In tetrachloromethane; chloroform | 97% |
With bromine In tetrachloromethane; chloroform at 20℃; for 1h; | 95% |
2-oxo-4-phenylbutanoic acid ethyl ester
formaldehyde N,N-tetramethylenehydrazone
(E)-ethyl 2-hydroxy-4-phenyl-2-[(pyrrolidin-1-ylimino)methyl]butanoate
Conditions | Yield |
---|---|
Stage #1: 2-oxo-4-phenylbutanoic acid ethyl ester With 1,3-bis(3,5-bis(trifluoro-ethyl)phenyl)thiourea In water at 20℃; for 0.25h; Stage #2: formaldehyde N,N-tetramethylenehydrazone In water | 99% |
Conditions | Yield |
---|---|
With manganese(IV) oxide; 3-hydroxyquinuclidine In tetrahydrofuran at 20℃; for 5h; Catalytic behavior; Solvent; Reagent/catalyst; Inert atmosphere; Sealed tube; | 99% |
2-oxo-4-phenylbutanoic acid ethyl ester
(I)-menthyloxycarbonylhydroxamic acid
Conditions | Yield |
---|---|
With manganese(IV) oxide; 3-hydroxyquinuclidine In tetrahydrofuran at 20℃; for 5h; Inert atmosphere; Sealed tube; | 99% |
Conditions | Yield |
---|---|
With manganese(IV) oxide; 3-hydroxyquinuclidine In tetrahydrofuran at 20℃; for 5h; Inert atmosphere; Sealed tube; | 95% |
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With hydrogen; Cinchonin In acetic acid at 25℃; under 7500.75 Torr; for 12h; enantioselective reaction; | 94.4% |
bis-(dimethylamino)methane
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With acetic anhydride In ethyl acetate; N,N-dimethyl-formamide | 93% |
cinnamic acid N-hydroxylamide
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With manganese(IV) oxide; 3-hydroxyquinuclidine In tetrahydrofuran at 20℃; for 5h; Inert atmosphere; Sealed tube; | 93% |
2-oxo-4-phenylbutanoic acid ethyl ester
ethyl (R)-2-hydroxy-4-phenylbutyrate
Conditions | Yield |
---|---|
With D-glucose at 30℃; for 12h; pH=7.0; aq. phosphate buffer; optical yield given as %ee; enantioselective reaction; | 92% |
With D-glucose In phosphate buffer at 30℃; for 26h; pH=7; | 91% |
With glucose dehydrogenase; D-glucose; recombinant reductase CgKR2 from Candida glabrata; NADP; sodium carbonate at 30℃; for 5h; pH=6; Kinetics; Reagent/catalyst; Solvent; Temperature; Time; aq. phosphate buffer; Enzymatic reaction; optical yield given as %ee; enantioselective reaction; | 91% |
Conditions | Yield |
---|---|
With manganese(IV) oxide; 3-hydroxyquinuclidine In tetrahydrofuran at 20℃; for 5h; Inert atmosphere; Sealed tube; | 92% |
(furan-2-yloxy)-trimethylsilane
2-oxo-4-phenylbutanoic acid ethyl ester
(R,R)-ethyl 2-hydroxy-2-(5-oxo-2,5-dihydrofuran-2-yl)-4-phenylbutanoate
Conditions | Yield |
---|---|
With 3,3,3-Trifluoropropanol; copper(II) bis(trifluoromethanesulfonate); (S)-N-[2-(2,4,6-triisopropylbenzylamino)phenyl]-S-methyl-S-phenylsulfoximine In diethyl ether at 20℃; Mukaiyama aldol reaction; Inert atmosphere; optical yield given as %ee; enantioselective reaction; | 91% |
With 2,2,2-trifluoroethanol; copper(II) bis(trifluoromethanesulfonate); (S)-N-[2-(2,4,6-triisopropylbenzylamino)phenyl]-S-methyl-S-phenylsulfoximine In diethyl ether at 20℃; Vinylogous Mukaiyama-type aldol reaction; Inert atmosphere; optical yield given as %ee; enantioselective reaction; | 91% |
2-oxo-4-phenylbutanoic acid ethyl ester
4-phenylbutane-1,2-diol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol at 20℃; for 0.166667h; | 91% |
Stage #1: 2-oxo-4-phenylbutanoic acid ethyl ester With sodium tetrahydroborate In methanol Inert atmosphere; Stage #2: With hydrogenchloride In water Inert atmosphere; | 72% |
2-oxo-4-phenylbutanoic acid ethyl ester
(S)-2-benzyloxy-3-pentanone
(3R,4S,5S)-ethyl 5-benzyloxy-2-hydroxy-3-methyl-2(2-phenylethyl)-4-oxohexanoate
Conditions | Yield |
---|---|
Stage #1: (S)-2-benzyloxy-3-pentanone With titanium tetrachloride; N-ethyl-N,N-diisopropylamine In dichloromethane at -78℃; for 0.666667h; Inert atmosphere; Stage #2: 2-oxo-4-phenylbutanoic acid ethyl ester In dichloromethane at -20℃; for 3h; Inert atmosphere; diastereoselective reaction; | 91% |
tert-Butyl N-hydroxycarbamate
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With manganese(IV) oxide; 3-hydroxyquinuclidine In tetrahydrofuran at 20℃; for 5h; Inert atmosphere; Sealed tube; | 91% |
nitromethane
2-oxo-4-phenylbutanoic acid ethyl ester
Conditions | Yield |
---|---|
With rac-1',2',3',4'-tetrahydro-1,1'-bisisoquinoline In tetrahydrofuran at 20℃; for 24h; Henry Nitro Aldol Condensation; | 90% |
With copper(II) bis(trifluoromethanesulfonate); 2,2'-isopropylidenebis[(4S)-4-tert-butyl-2-oxazoline]; triethylamine at 50℃; |
isoniazid
2-oxo-4-phenylbutanoic acid ethyl ester
ethyl 2-oxo-4-phenylbutyrate isonicotinoylhydrazone
Conditions | Yield |
---|---|
In ethanol Reflux; | 90% |
Conditions | Yield |
---|---|
Stage #1: dibenzyl azodicarboxylate; 2-oxo-4-phenylbutanoic acid ethyl ester With 1-(3,5-bis(trifluoromethyl)phenyl)-3-((1R,2R)-2-(piperidin-1-yl)cyclohexyl)thiourea In 1,3,5-trimethyl-benzene at -5℃; for 11h; Molecular sieve; Stage #2: With L-Selectride In 1,3,5-trimethyl-benzene at -30℃; for 2h; Molecular sieve; enantioselective reaction; | 90% |
Conditions | Yield |
---|---|
With manganese(IV) oxide; 3-hydroxyquinuclidine In tetrahydrofuran at 20℃; for 5h; Inert atmosphere; Sealed tube; | 90% |
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