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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inquiryAs a leading and professional manufacturer of APIs and API intermediates in China,Anhui Dexinjia Biopharm Co., Ltd founded in 2006, Except for the R&D center, our company has built a close cooperation relation with Chinese Academy of Sciences,
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inquiryAs 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
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inquiryC-(3,4-DIMETHOXY-BICYCLO[4.2.0]OCTA-1(6),2,4-TRIEN-7-YL)-METHYLAMINE CAS:73344-75-9 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical interme
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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
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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
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inquiry1. A strong scientific research team . 2. Stable quality (with a complete scientific research center and testing center to ensure the quality stability of each batch of products). 3. Rich export experience (with practical experience in exporting to m
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inquiryC-(3,4-DIMETHOXY-BICYCLO[4.2.0]OCTA-1(6),2,4-TRIEN-7-YL)-METHYLAMINE Chemical Properties Boiling point 309℃ density 1.113 Fp 153℃ storage temp. Sealed in dry,2-8°C Ap
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inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
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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 an
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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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inquirySuperior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:For medicine , pesticide intermediates Tran
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inquiryhigh 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
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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
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inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquiryAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
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inquiry4,5-Dimethoxy-1-(aminomethyl)benzocyclobutaneAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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inquiry73344-75-9 Application:intermediate
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inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Intermediate of Ivabradine hydrochloride
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inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Our advantages:1, High quality with competitive price:1) Standard:BP/USP/EP/Enterprise standard2) All Purity≥99%3) We are manufacturer a
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inquiryStrong R&D strength and team We have a R&D team with around 30 R&D personnel.All of our employees have chemical backgrounds and have worked in the chemical industry for many years.Our laboratory can synthesize target products with wei
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inquiry3,4-dimethoxy-bicyclo[4.2.0]octa-1,3,5-triene-7-carbonitrile
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
With ammonia; hydrogen; nickel In methanol at 60℃; under 22502.3 Torr; Industry scale; | 100% |
With ammonia; hydrogen In methanol at 20℃; under 2327.23 Torr; for 12h; Solvent; Reagent/catalyst; | 98% |
formic acid
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
Stage #1: formic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 20℃; for 0.25h; Stage #2: (±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine In tetrahydrofuran at 20℃; for 12h; Reagent/catalyst; Temperature; Solvent; | 90% |
N-acetyl-(S)-glutamic acid
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
(1S)-4,5-dimethoxy-1-(aminomethyl)-benzocyclobutane N-acetyl-L-glutamate
Conditions | Yield |
---|---|
In ethanol; water at 20℃; Heating / reflux; Industry scale; | 40% |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
(S)-ibuprofen
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 24h; Solvent; | 40% |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
(S)-ibuprofen
Conditions | Yield |
---|---|
In acetonitrile at 20 - 42℃; for 20h; Temperature; Time; Solvent; | A 38% B n/a |
diallylcarbonate
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
A
(1S)-4,5-dimethoxy-1-(ammoniummethyl)benzocyclobutane
B
(R)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
With Pseudomonas cepacia lipase II In 2-methyltetrahydrofuran at 30℃; for 42h; | A n/a B n/a C 35% D n/a |
With lipase from Pseudomonas fluorescens In tert-butyl methyl ether at 30℃; for 24h; Catalytic behavior; Reagent/catalyst; Resolution of racemate; Inert atmosphere; Enzymatic reaction; enantioselective reaction; | A n/a B n/a C n/a D n/a |
DBC
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
A
(1S)-4,5-dimethoxy-1-(ammoniummethyl)benzocyclobutane
B
(R)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
With Pseudomonas cepacia lipase II In 2-methyltetrahydrofuran at 30℃; for 24h; | A n/a B n/a C 30% |
but-3-enoyl chloride
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
N-<(4,5-dimethoxybenzocyclobutenyl)methyl>-3-butenamide
Conditions | Yield |
---|---|
With pyridine In dichloromethane | 29% |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
cis-8,9-dimethoxy-1,2,3,4,4a,5,6,10b-octahydrobenzisoquinoline
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 29 percent / pyridine / CH2Cl2 2: 57 percent / various solvent(s) / 18 h / Heating 3: LiAlH4, AlCl3 / diethyl ether / 2.25 h / Ambient temperature View Scheme |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 29 percent / pyridine / CH2Cl2 2: 57 percent / various solvent(s) / 18 h / Heating 3: LiAlH4, AlCl3 / diethyl ether / 2.25 h / Ambient temperature 4: NaBH4 / benzene View Scheme |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
cis-8,9-dimethoxy-1,2,3,4,4a,5,6,10b-octahydrobenzisoquinolin-3-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 29 percent / pyridine / CH2Cl2 2: 57 percent / various solvent(s) / 18 h / Heating View Scheme |
diallylcarbonate
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
A
(R)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
With lipase from Pseudomonas Cepacia In tert-butyl methyl ether at 30℃; for 24h; Catalytic behavior; Reagent/catalyst; Resolution of racemate; Inert atmosphere; Enzymatic reaction; enantioselective reaction; | A n/a B n/a C n/a |
With Pseudomonas cepacia lipase II In tert-butyl methyl ether at 30℃; for 24h; | A n/a B n/a C n/a |
DBC
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
A
(R)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
With lipase from Pseudomonas Cepacia In tert-butyl methyl ether at 30℃; for 24h; Resolution of racemate; Inert atmosphere; Enzymatic reaction; enantioselective reaction; | A n/a B n/a C n/a |
With Pseudomonas cepacia lipase II In tert-butyl methyl ether at 30℃; for 24h; | A n/a B n/a C n/a |
DBC
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
A
(1S)-4,5-dimethoxy-1-(ammoniummethyl)benzocyclobutane
B
(R)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
With lipase from Pseudomonas fluorescens In tert-butyl methyl ether at 30℃; for 24h; Catalytic behavior; Reagent/catalyst; Resolution of racemate; Inert atmosphere; Enzymatic reaction; enantioselective reaction; | A n/a B n/a C n/a D n/a |
With Pseudomonas cepacia lipase II In tert-butyl methyl ether at 30℃; for 24h; | A n/a B n/a C n/a D n/a |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Diethyl carbonate
A
ethyl {[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl}carbamate
Conditions | Yield |
---|---|
With lipase from Pseudomonas Cepacia In 2-methyltetrahydrofuran at 30℃; for 48h; Inert atmosphere; Enzymatic reaction; Overall yield = 44 %; enantioselective reaction; | A n/a B n/a |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Diethyl carbonate
A
ethyl {[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl}carbamate
B
(R)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
With lipase from Pseudomonas Cepacia In 2-methyltetrahydrofuran at 30℃; for 96h; Concentration; Resolution of racemate; Inert atmosphere; Enzymatic reaction; enantioselective reaction; | A n/a B n/a C n/a |
With Pseudomonas cepacia lipase II In 2-methyltetrahydrofuran at 30℃; for 96h; Enzymatic reaction; | A n/a B n/a C n/a |
With Pseudomonas cepacia lipase II In 2-methyltetrahydrofuran at 30℃; for 24h; Enzymatic reaction; | A n/a B n/a C n/a |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Diethyl carbonate
A
(1S)-4,5-dimethoxy-1-(ammoniummethyl)benzocyclobutane
B
ethyl {[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl}carbamate
C
(R)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
With lipase from Pseudomonas Cepacia In 2-methyltetrahydrofuran at 30℃; for 24h; Solvent; Concentration; Resolution of racemate; Inert atmosphere; Enzymatic reaction; enantioselective reaction; | A n/a B n/a C n/a |
With Pseudomonas cepacia lipase II In 2-methyltetrahydrofuran at 30℃; for 24h; Enzymatic reaction; | A n/a B n/a C n/a |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
ethyl acetate
A
(R)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
With lipase PS IM at 30℃; for 4h; Catalytic behavior; Reagent/catalyst; Resolution of racemate; Inert atmosphere; Enzymatic reaction; enantioselective reaction; | A n/a B n/a C n/a |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
ethyl acetate
A
(1S)-4,5-dimethoxy-1-(ammoniummethyl)benzocyclobutane
B
(R)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
With lipase from Pseudomonas fluorescens at 30℃; for 4h; Catalytic behavior; Reagent/catalyst; Resolution of racemate; Inert atmosphere; Enzymatic reaction; enantioselective reaction; | A n/a B n/a C n/a D n/a |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
1-phenylethyl acetate
A
(1S)-4,5-dimethoxy-1-(ammoniummethyl)benzocyclobutane
B
(R)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
With lipase from Pseudomonas Cepacia In tert-butyl methyl ether at 30℃; for 96h; Catalytic behavior; Reagent/catalyst; Resolution of racemate; Inert atmosphere; Enzymatic reaction; enantioselective reaction; | A n/a B n/a C n/a D n/a |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
chloroacetic acid ethyl ester
Conditions | Yield |
---|---|
With lipase from Pseudomonas Cepacia In tert-butyl methyl ether at 30℃; for 96h; Catalytic behavior; Reagent/catalyst; Inert atmosphere; Enzymatic reaction; enantioselective reaction; | A n/a B n/a |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
chloroacetic acid ethyl ester
Conditions | Yield |
---|---|
With lipase from Pseudomonas fluorescens In tert-butyl methyl ether at 30℃; for 96h; Inert atmosphere; Enzymatic reaction; |
methyl methoxyacetate
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
A
(1S)-4,5-dimethoxy-1-(ammoniummethyl)benzocyclobutane
B
(R)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
With lipase from Pseudomonas Cepacia In tert-butyl methyl ether at 30℃; for 96h; Catalytic behavior; Reagent/catalyst; Resolution of racemate; Inert atmosphere; Enzymatic reaction; enantioselective reaction; | A n/a B n/a C n/a D n/a |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
[{(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl}methyl](methyl)amine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 0.25 h / 20 °C 1.2: 12 h / 20 °C 2.1: boron trifluoride-tetrahydrofuran complex / tetrahydrofuran / 8 h / 0 - 20 °C 3.1: ethanol / 1 h / Reflux 4.1: sodium hydroxide / ethanol; water; dichloromethane / 1 h / 20 °C / pH 10 - 11 View Scheme | |
Multi-step reaction with 4 steps 1.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 0.25 h / 20 °C 1.2: 12 h / 20 °C 2.1: boron trifluoride-tetrahydrofuran complex / tetrahydrofuran / 8 h / 0 - 20 °C 3.1: ethanol; Isopropyl acetate / 1 h / Reflux 4.1: sodium hydroxide / water; dichloromethane / 1 h / 20 °C / pH 10 - 11 View Scheme |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
ivabradine hydrochloride
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 0.25 h / 20 °C 1.2: 12 h / 20 °C 2.1: boron trifluoride-tetrahydrofuran complex / tetrahydrofuran / 8 h / 0 - 20 °C 3.1: ethanol / 1 h / Reflux 4.1: sodium hydroxide / ethanol; water; dichloromethane / 1 h / 20 °C / pH 10 - 11 5.1: acetic acid / ethanol / 0.5 h / 20 °C 5.2: 1 h / 15 - 20 °C 6.1: triethylamine / acetonitrile / 12 h / 20 °C 7.1: hydrogenchloride; pyrographite / acetonitrile / 0.17 h / 70 °C / pH 2 - 3 View Scheme | |
Multi-step reaction with 7 steps 1.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 0.25 h / 20 °C 1.2: 12 h / 20 °C 2.1: boron trifluoride-tetrahydrofuran complex / tetrahydrofuran / 8 h / 0 - 20 °C 3.1: ethanol; Isopropyl acetate / 1 h / Reflux 4.1: sodium hydroxide / water; dichloromethane / 1 h / 20 °C / pH 10 - 11 5.1: acetic acid / ethanol / 0.5 h / 20 °C 5.2: 1 h / 15 - 20 °C 6.1: triethylamine / acetonitrile / 12 h / 20 °C 7.1: hydrogenchloride; pyrographite / acetonitrile / 0.17 h / 70 °C / pH 2 - 3 View Scheme |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
ivabradine
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 0.25 h / 20 °C 1.2: 12 h / 20 °C 2.1: boron trifluoride-tetrahydrofuran complex / tetrahydrofuran / 8 h / 0 - 20 °C 3.1: ethanol / 1 h / Reflux 4.1: sodium hydroxide / ethanol; water; dichloromethane / 1 h / 20 °C / pH 10 - 11 5.1: acetic acid / ethanol / 0.5 h / 20 °C 5.2: 1 h / 15 - 20 °C 6.1: triethylamine / acetonitrile / 12 h / 20 °C View Scheme | |
Multi-step reaction with 6 steps 1.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 0.25 h / 20 °C 1.2: 12 h / 20 °C 2.1: boron trifluoride-tetrahydrofuran complex / tetrahydrofuran / 8 h / 0 - 20 °C 3.1: ethanol; Isopropyl acetate / 1 h / Reflux 4.1: sodium hydroxide / water; dichloromethane / 1 h / 20 °C / pH 10 - 11 5.1: acetic acid / ethanol / 0.5 h / 20 °C 5.2: 1 h / 15 - 20 °C 6.1: triethylamine / acetonitrile / 12 h / 20 °C View Scheme |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 0.25 h / 20 °C 1.2: 12 h / 20 °C 2.1: boron trifluoride-tetrahydrofuran complex / tetrahydrofuran / 8 h / 0 - 20 °C 3.1: ethanol / 1 h / Reflux View Scheme |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 0.25 h / 20 °C 1.2: 12 h / 20 °C 2.1: boron trifluoride-tetrahydrofuran complex / tetrahydrofuran / 8 h / 0 - 20 °C 3.1: ethanol; Isopropyl acetate / 1 h / Reflux View Scheme |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
({3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl}methyl)(methyl)amine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 0.25 h / 20 °C 1.2: 12 h / 20 °C 2.1: boron trifluoride-tetrahydrofuran complex / tetrahydrofuran / 8 h / 0 - 20 °C View Scheme |
(±)-(3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methylamine
1-[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]-N-methylmethanamine hydrochloride
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 0.25 h / 20 °C 1.2: 12 h / 20 °C 2.1: boron trifluoride-tetrahydrofuran complex / tetrahydrofuran / 8 h / 0 - 20 °C 3.1: ethanol / 1 h / Reflux 4.1: sodium hydroxide / ethanol; water; dichloromethane / 1 h / 20 °C / pH 10 - 11 5.1: acetic acid / ethanol / 0.5 h / 20 °C 5.2: 1 h / 15 - 20 °C View Scheme | |
Multi-step reaction with 5 steps 1.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 0.25 h / 20 °C 1.2: 12 h / 20 °C 2.1: boron trifluoride-tetrahydrofuran complex / tetrahydrofuran / 8 h / 0 - 20 °C 3.1: ethanol; Isopropyl acetate / 1 h / Reflux 4.1: sodium hydroxide / water; dichloromethane / 1 h / 20 °C / pH 10 - 11 5.1: acetic acid / ethanol / 0.5 h / 20 °C 5.2: 1 h / 15 - 20 °C View Scheme |
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