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
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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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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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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
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inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/703.html Product Name 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one CAS No.
Cas:73942-87-7
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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:73942-87-7
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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 on.O
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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
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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&
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inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best serv
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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
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inquiryHanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder has d
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inquiry7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one CAS:73942-87-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing i
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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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inquiryProduct Name: 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one Synonyms: 3-dihydro-2H-3-benzazepin-2-one;8-Dimethoxy-1;7,8-dimethoxy -1,3-dihydro-2H-3-Benzazepin-2-one/2H-3-Benzazepin- 2-one, 1,3-dihydro-7,8-dimethoxy;Ivabradine Impurity 73;Ivabr
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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
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inquiryAppearance:white crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Se
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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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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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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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inquiryIvabradine hydrochloride intermediate 73942-87-7Appearance:white powder Storage:sealed preservation at room temperature Package:according to customers' requirements Application:Intermediates Transportation:By air(EMS or EUB or FedEx or TNT ect...) or
Cas:73942-87-7
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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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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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inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:73942-87-7
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inquiry7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one Basic information Product Name: 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one Synonyms: Ivabradine Impurity 13;1,3-Dihydro-7,8-dimethoxy-2H-3-benzazepin-2-one;7,8-Dimethoxy-1H-benzo[d]azepin-2(
Cas:73942-87-7
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryProduct name: 7,8-Dimethoxy-1,3-Dihydro-2H-3-Benzazepin-2-one CAS No.: 73942-87-7 Molecule Formula:C12H13NO3 Molecule Weight:219.24 Purity: 98.0% Package: 25kg/drum Description:White to off-white powder Manufacture Standards:Enterpri
Cas:73942-87-7
Min.Order:1 Kilogram
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Type:Trading Company
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
Cas:73942-87-7
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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:73942-87-7
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryProductName:7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one Synonyms:7,8-dimethoxy-1,3-dihydro-3-benzazepin-2-one; CAS:73942-87-7 Molecular Formula: C12H13NO3 Molecular Weight:219.23700 Purity:≥98% Application: ivabradine intermediat
Cas:73942-87-7
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiry7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
With trifluoroacetic acid for 8h; Reflux; | 97% |
N-(2,2-dimethoxy-ethyl)-3,4-dimethoxyphenylacetamide
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride; acetic acid In water at 25℃; for 17h; | 77.5% |
With hydrogenchloride; acetic acid for 17h; Ambient temperature; | 75% |
With hydrogenchloride; acetic acid In water at 20℃; for 8h; | 61.4% |
(3,4-Dimethoxyphenyl)acetic acid
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 81 percent / thionyl chloride / CH2Cl2 / 1 h / Heating 2: triethylamine / CH2Cl2 / 1 h / Ambient temperature 3: 75 percent / glacial acetic acid, conc. HCl / 17 h / Ambient temperature View Scheme | |
Multi-step reaction with 2 steps 1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol 2: hydrogenchloride; acetic acid / water View Scheme | |
Multi-step reaction with 2 steps 1: toluene / 30 h / Reflux 2: hydrogenchloride; sulfuric acid / water / 4 h / 25 - 30 °C / Reflux View Scheme | |
Multi-step reaction with 3 steps 1: thionyl chloride / dichloromethane 2: triethylamine / dichloromethane 3: hydrogenchloride; acetic acid View Scheme | |
Multi-step reaction with 2 steps 1: O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine / N,N-dimethyl-formamide / 20 °C / Inert atmosphere 2: phosphorus pentaoxide / methanesulfonic acid / 20 °C / Inert atmosphere View Scheme |
3,4-dimethoxyphenylacetyl chloride
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: triethylamine / CH2Cl2 / 1 h / Ambient temperature 2: 75 percent / glacial acetic acid, conc. HCl / 17 h / Ambient temperature View Scheme | |
Multi-step reaction with 2 steps 1: triethylamine / dichloromethane 2: hydrogenchloride; acetic acid View Scheme |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: lithium triethylborohydride / tetrahydrofuran / 1.5 h / -78 °C 1.2: -78 - 20 °C 2.1: trifluoroacetic acid / 8 h / Reflux View Scheme |
7,8-dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepine-2,4-dione
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: potassium carbonate; potassium iodide / acetonitrile / 27.5 h / 80 °C 2.1: lithium triethylborohydride / tetrahydrofuran / 1.5 h / -78 °C 2.2: -78 - 20 °C 3.1: trifluoroacetic acid / 8 h / Reflux View Scheme |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
(4,5-dimethoxy-2-iodophenyl)methyl bromide
3-(2-iodo-4,5-dimethoxybenzyl)-7,8-dimethoxy-1,3-dihydrobenzo[d]azepin-2-one
Conditions | Yield |
---|---|
Stage #1: 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one With potassium tert-butylate In N,N-dimethyl-formamide at 0℃; for 0.5h; Stage #2: (4,5-dimethoxy-2-iodophenyl)methyl bromide In N,N-dimethyl-formamide at 20℃; for 2h; | 98% |
1-bromo-3-chloro-2-methyl propane
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
1-(7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-on-3-yl)-2-methyl-3-chloro-propane
Conditions | Yield |
---|---|
97.5% | |
With potassium tert-butylate 1.) DMSO, RT, 30 min, 2.) RT, 30 min; Multistep reaction; |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
epichlorohydrin
1-(7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-on-3-yl)-2,3-epoxy-propane
Conditions | Yield |
---|---|
94.5% |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
1,3-chlorobromopropane
3-(3-chloropropyl)-1,3-dihydro-7,8-dimethoxy-2H-3-benzazepine-2-one
Conditions | Yield |
---|---|
Stage #1: 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one With potassium tert-butylate In dimethyl sulfoxide at 25 - 30℃; for 0.5h; Stage #2: 1.3-chlorobromopropane In dimethyl sulfoxide at 15 - 20℃; for 0.5h; Reagent/catalyst; Time; Temperature; Concentration; | 89% |
87.3% | |
Stage #1: 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one With sodium hydride In N,N-dimethyl-formamide for 0.5h; Stage #2: 1.3-chlorobromopropane In N,N-dimethyl-formamide at 20℃; for 10.5h; | 66.5% |
2-bromo-2-(2-ethyl)dioxolane
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
With sodium hydroxide In 1-methyl-pyrrolidin-2-one; water at 2 - 60℃; for 3h; Product distribution / selectivity; | 87% |
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 130℃; for 9h; Product distribution / selectivity; | 80% |
(S)-3-chloro-N-((3,4-dimethoxybicyclo[4.2,0]octa-1(6),2,4-trien-7-yl)methyl)-N-methylpropan-1-amine
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
3-{3-[{[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl}-(methyl)amino]propyl}-7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
Stage #1: 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one With potassium tert-butylate In dimethyl sulfoxide at 20℃; for 0.5h; Stage #2: (S)-3-chloro-N-((3,4-dimethoxybicyclo[4.2,0]octa-1(6),2,4-trien-7-yl)methyl)-N-methylpropan-1-amine In dimethyl sulfoxide at 20℃; | 87% |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
4-chloromethyl-1,2-dimethoxy-benzene
3-(3,4-dimethoxybenzyl)-7,8-dimethoxy-1,3-dihydrobenzo[d]azepin-2-one
Conditions | Yield |
---|---|
Stage #1: 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one With potassium tert-butylate In N,N-dimethyl-formamide at 0℃; for 0.5h; Stage #2: 4-chloromethyl-1,2-dimethoxy-benzene In N,N-dimethyl-formamide at 20℃; for 2h; | 86% |
2-(3,4-dimethoxyphenyl)-1-iodoethane
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
3-[2-(3,4-dimethoxyphenyl)ethyl]-7,8-dimethoxy-1,3-dihydrobenzo[d]azepin-2-one
Conditions | Yield |
---|---|
Stage #1: 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one With potassium tert-butylate In N,N-dimethyl-formamide at 0℃; for 0.5h; Stage #2: 2-(3,4-dimethoxyphenyl)-1-iodoethane In N,N-dimethyl-formamide at 20℃; for 2h; | 77% |
With potassium tert-butylate In N,N-dimethyl-formamide |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
N-(tert-butoxycarbonyl)-N-methyl-3-chloropropylamine
tert-Butyl [3-(7,8-dimethoxy-2-oxo-1,2-dihydro-3H-3-benzazepin-3-yl)propyl]-methylcarbamate
Conditions | Yield |
---|---|
Stage #1: 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one With sodium hydride In N,N-dimethyl-formamide; mineral oil at 25℃; for 1h; Stage #2: N-(tert-butoxycarbonyl)-N-methyl-3-chloropropylamine In minreal oil; N,N-dimethyl-formamide at 50℃; | 77% |
Stage #1: 7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one With sodium hydride In N,N-dimethyl-formamide; oil at 25℃; for 1h; Stage #2: N-(tert-butoxycarbonyl)-N-methyl-3-chloropropylamine In N,N-dimethyl-formamide; oil at 50℃; | 77% |
Conditions | Yield |
---|---|
In toluene at 110 - 130℃; for 6h; Solvent; Temperature; | 63.5% |
3-chloromethyl-N-[2-(6-methyl-pyrid-2-yl)-ethyl]-pyrrolidine
potassium tert-butylate
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
In dimethyl sulfoxide | 61% |
trans-1,4-dichlorobut-2-ene
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
With potassium tert-butylate In dimethyl sulfoxide at 20℃; for 1h; | 48% |
With potassium tert-butylate In dimethyl sulfoxide at 20℃; Inert atmosphere; |
Z-1,4-dichlorobutene
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
A
3-((Z)-4-chlorobut-2-en-1-yl)-7,8-dimethoxy-1H-benzo[d]azepin-2(3H)-one
B
3,3'-((Z)-but-2-ene-1,4-diyl)bis(7,8-dimethoxy-1H-benzo[d]azepin-2(3H)-one)
Conditions | Yield |
---|---|
With potassium tert-butylate In dimethyl sulfoxide at 20℃; Inert atmosphere; | A 30% B 6% |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
1-Bromo-2-chloroethane
1-(7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-on-3-yl)-2-chloro-ethane
Conditions | Yield |
---|---|
20% |
1-bromo-3-chloro-propan-2-ol
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
With potassium tert-butylate 1.) DMSO, RT, 30 min, 2.) RT, 30 min; Multistep reaction; |
4-chlorobutyl bromide
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
3-(4-Chloro-butyl)-7,8-dimethoxy-1,3-dihydro-benzo[d]azepin-2-one
Conditions | Yield |
---|---|
With potassium tert-butylate 1.) DMSO, RT, 30 min, 2.) RT, 30 min; Multistep reaction; |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 48 percent / t-BuOK / dimethylsulfoxide / 1 h / 20 °C 2: 53 percent / Et3N / 5 h / 60 °C View Scheme |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
1-(7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-on-3-yl)-2-chloro-ethane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) potassium tert-butoxide / 1.) DMSO, RT, 30 min, 2.) RT, 30 min 2: 1.) potassium tert-butoxide / 1.) DMSO, RT, 30 min, 2.) RT, 30 min View Scheme |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) potassium tert-butoxide / 1.) DMSO, RT, 30 min, 2.) RT, 30 min 2: 2 h / 90 - 95 °C View Scheme |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
7,8-Dimethoxy-3-[3-(methyl-phenethyl-amino)-propyl]-1,3,4,5-tetrahydro-benzo[d]azepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1.) potassium tert-butoxide / 1.) DMSO, RT, 30 min, 2.) RT, 30 min 2: 2 h / 90 - 95 °C 3: H2 / Pd/C / acetic acid / 10 h / 3750.3 Torr / Ambient temperature View Scheme |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) potassium tert-butoxide / 1.) DMSO, RT, 30 min, 2.) RT, 30 min 2: 2 h / 90 - 95 °C View Scheme |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) potassium tert-butoxide / 1.) DMSO, RT, 30 min, 2.) RT, 30 min 2: 2 h / 90 - 95 °C View Scheme |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
3-(3-{[2-(4-Amino-phenyl)-ethyl]-methyl-amino}-propyl)-7,8-dimethoxy-1,3-dihydro-benzo[d]azepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) potassium tert-butoxide / 1.) DMSO, RT, 30 min, 2.) RT, 30 min 2: 2 h / 90 - 95 °C View Scheme |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
7,8-Dimethoxy-3-(3-{[2-(4-methoxy-phenyl)-ethyl]-methyl-amino}-propyl)-1,3-dihydro-benzo[d]azepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) potassium tert-butoxide / 1.) DMSO, RT, 30 min, 2.) RT, 30 min 2: 2 h / 90 - 95 °C View Scheme |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
1-[7,8-dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-on-3-yl]-3-[N-methyl-N-(2-{4-amino-phenyl}-ethyl)-amino]-propane
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1.) potassium tert-butoxide / 1.) DMSO, RT, 30 min, 2.) RT, 30 min 2: 2 h / 90 - 95 °C 3: H2 / Pd/C / acetic acid / 10 h / 3750.3 Torr / Ambient temperature View Scheme |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) potassium tert-butoxide / 1.) DMSO, RT, 30 min, 2.) RT, 30 min 2: 2 h / 90 - 95 °C View Scheme |
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) potassium tert-butoxide / 1.) DMSO, RT, 30 min, 2.) RT, 30 min 2: 2 h / 90 - 95 °C View Scheme |
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