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
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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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inquiryGood quality Good price Promptly delivery Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:intermediate Transportation:Ac
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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
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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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inquiryStock products, own laboratory Appearance:Yellow Solid Storage:normal Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:shanghai
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inquiryDensity: 1.298 ± 0.06 g/cm3 (Predicted) Melting point: 104.0 to 108.0 ° C Boiling point: 376.9 ± 32.0 ° C (Predicted) Flash point: 181.758 ° C Steam pressure: 0mmHg at 25 ° C Solubility: Dichroromethane Refractive index:
Cas:57113-90-3
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inquiryHenan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com
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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:57113-90-3
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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 email in time prod
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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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inquiryBENZOIC ACID, 2-[[(1,1-DIMETHYLETHOXY)CARBONYL]AMINO]-3-NITRO-METHYL ESTER CAS:57113-90-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical i
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inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures
Cas:57113-90-3
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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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inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
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Min.Order:1 Gram
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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:57113-90-3
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inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Cas:57113-90-3
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inquiryProduct Name: BENZOIC ACID, 2-[[(1,1-DIMETHYLETHOXY)CARBONYL]AMINO]-3-NITRO-METHYL ESTER Synonyms: Methyl 2- (1,1-diMethylethoxy)carbonyl -3-nitrobenzoate;Methyl 2-[(tert-butoxycarbonyl)aMino]-3-nitroben;Methyl 2-(tert-Butoxycarbonylamino)-3-ni
Cas:57113-90-3
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryGOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
Cas:57113-90-3
Min.Order:1 Kilogram
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inquiryMethyl 2-[(tert-butoxycarbonyl)amino]-3-nitrobenzoateAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
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inquiryLower 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
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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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inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
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inquirySuperior quality, moderate price & quick delivery. Appearance:light yellow crystalline powder Storage:Sealed in a cool ,dry and microtherm place , avoid light . Package:100g/bag, 1kg/bag or as per your request Application:It is an important ra
Cas:57113-90-3
Min.Order:100 Gram
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inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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inquiryTAIHO 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
Cas:57113-90-3
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Type:Manufacturers
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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inquiryFactory supply high purity low priceAppearance: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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inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
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inquirymethyl 2-carboxy-3-nitrobenzoate
triethylamine
tert-butyl alcohol
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
Conditions | Yield |
---|---|
Stage #1: methyl 2-carboxy-3-nitrobenzoate; triethylamine With diphenyl phosphoryl azide In DMF (N,N-dimethyl-formamide) at 20 - 35℃; for 3h; Industry scale; Stage #2: tert-butyl alcohol In DMF (N,N-dimethyl-formamide) at 85 - 90℃; for 4 - 7h; Heating / reflux; | 86.7% |
methyl 2-carboxy-3-nitrobenzoate
tert-butyl alcohol
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
Conditions | Yield |
---|---|
Stage #1: methyl 2-carboxy-3-nitrobenzoate With diphenyl phosphoryl azide; triethylamine In N,N-dimethyl-formamide at 20 - 31℃; Inert atmosphere; Stage #2: tert-butyl alcohol In N,N-dimethyl-formamide at 85 - 87℃; for 9h; Stage #3: With methanol at 50 - 55℃; for 3h; | 72.5% |
2-Azidocarbonyl-3-nitro-benzoic acid methyl ester
tert-butyl alcohol
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
Conditions | Yield |
---|---|
for 1.5h; Heating; Yield given; | |
for 2h; Heating / reflux; |
methyl 2-carboxy-3-nitrobenzoate
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: SOCl2, DMF / toluene / 0.5 h / Heating 2: NaN3 / acetone; H2O / 1 h 3: 1.5 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1.1: N,N-dimethyl-formamide; thionyl chloride / toluene / 2.5 h / 75 °C 2.1: sodium azide; tetrabutylammomium bromide / toluene / 4 h / -10 - -5 °C 2.2: 1 h / 80 - 85 °C View Scheme |
acid chloride of 1-methylhydrogen-3-nitrophthalate
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaN3 / acetone; H2O / 1 h 2: 1.5 h / Heating View Scheme |
3-nitrophthalic acid
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: concd. H2SO4 / methanol 2: SOCl2, DMF / toluene / 0.5 h / Heating 3: NaN3 / acetone; H2O / 1 h 4: 1.5 h / Heating View Scheme | |
Multi-step reaction with 3 steps 1.1: sulfuric acid / 24.75 h / 20 - 65 °C 2.1: N,N-dimethyl-formamide; thionyl chloride / toluene / 2.5 h / 75 °C 3.1: sodium azide; tetrabutylammomium bromide / toluene / 4 h / -10 - -5 °C 3.2: 1 h / 80 - 85 °C View Scheme |
acid chloride of 1-methylhydrogen-3-nitrophthalate
N,N-dimethyl-formamide
tert-butyl alcohol
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
Conditions | Yield |
---|---|
Stage #1: acid chloride of 1-methylhydrogen-3-nitrophthalate; N,N-dimethyl-formamide With sodium azide; tetrabutylammomium bromide In toluene at -10 - -5℃; for 4h; Stage #2: tert-butyl alcohol In toluene at 80 - 85℃; for 1h; |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
1-bromomethyl-4-bromobenzene
C20H21BrN2O6
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 10h; Heating / reflux; | 92% |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
7-(bromomethyl)-5-oxo-5H-dibenzocycloheptene-10-carbonitrile
methyl 2-<(tert-butoxycarbonyl)<(11-cyano-5-oxo-5H-dibenzocyclohepten-3-yl)methyl>amino>-3-nitrobenzoate
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 4h; Heating; | 86% |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
4'-(bromomethyl)-1,1'-biphenyl-2-carbonitrile
methyl 2-amino>-3-nitrobenzoate
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 4h; Heating; | 85% |
With potassium carbonate In acetonitrile at 80 - 85℃; for 5h; Heating / reflux; Industry scale; |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
Methyl 3-amino-2-[(tert-butoxycarbonyl)amino]benzoate
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In methanol at 20℃; for 5h; | 82% |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
methyl 2-(N-tert-butoxycarbonyl-N-{(2'-[1-benzyl-1H-tetrazol-5-yl]biphenyl-4-yl)methyl}amino)-3-nitrobenzoate
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 3h; Inert atmosphere; Reflux; | 81% |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
methyl 2-(N-tert-butoxycarbonyl-N-{(2'-[1-benzyl-1H-tetrazol-5-yl]biphenyl-4-yl)methyl}amino)-3-nitrobenzoate
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 9h; Reflux; Inert atmosphere; | 81% |
5-[4'-(bromomethyl)biphenyl-2-yl]-1-(p-methoxybenzyl)-1H-tetrazole
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
methyl 2-(N-tert-butoxycarbonyl-N-{(2'-[1-(p-methoxybenzyl)-1H-tetrazol-5-yl]biphenyl-4-yl)methyl}amino)-3-nitrobenzoate
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 6h; Reflux; Inert atmosphere; | 71.1% |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
Methyl 4'-(bromomethyl)biphenyl-2-carboxylate
4'-{[tert-Butoxycarbonyl-(2-methoxycarbonyl-6-nitro-phenyl)-amino]-methyl}-biphenyl-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 4h; Heating; |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
7-(bromomethyl)dibenzooxepin-10-carbonitrile
2-[tert-Butoxycarbonyl-(11-cyano-dibenzo[b,f]oxepin-3-ylmethyl)-amino]-3-nitro-benzoic acid methyl ester
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 4h; Heating; |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
methyl 3-amino-2-[[(2'-cyanobiphenyl-4-yl)methyl]amino]benzoate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 2: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 3: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h View Scheme | |
Multi-step reaction with 2 steps 1.1: potassium carbonate; tetrabutylammomium bromide / toluene / 12 h / 80 - 85 °C 1.2: 3 h / Reflux 2.1: tin(ll) chloride / ethyl acetate / 1.5 h / Reflux 2.2: 4.5 h / -10 - 0 °C 2.3: 0.5 h / Reflux View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
ethyl 3-amino-2-<<(2'-cyanobiphenyl-4-yl)methyl>amino>benzoate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 2: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 3: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h 4: 78 percent / ethanol / 1.5 h / Heating View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
methyl 3-amino-2-<<<2'-(methoxycarbonyl)biphenyl-4-yl>methyl>amino>benzoate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: K2CO3 / acetonitrile / 4 h / Heating 2: 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 3: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
methyl 2-<<2'-cyanobiphenyl-4-yl)methyl>amino>-3-nitrobenzoate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 2: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
methyl 1-<(2'-cyanobiphenyl-4-yl)methyl>-2,3-dihydro-2-oxo-1H-benzimidazole-7-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 2: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 3: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h 4: 90 percent / pyridine / 3 h / Ambient temperature 5: 89 percent / NaOMe / methanol / 21 h / Heating View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
methyl 2-chloro-1-<(2'-cyanobiphenyl-4-yl)methyl>-1H-benzimidazole-7-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 2: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 3: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h 4: 90 percent / pyridine / 3 h / Ambient temperature 5: 89 percent / NaOMe / methanol / 21 h / Heating 6: 34 percent / POCl3 / 8 h / Heating View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
ethyl 1-<(2'-cyanobiphenyl-4-yl)methyl>-2-methyl-1H-benzimidazole-7-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 2: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 3: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h 4: 78 percent / ethanol / 1.5 h / Heating 5: 73 percent / Et3N / CH2Cl2 / 2 h / Ambient temperature View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 2: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 3: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h 4: 78 percent / ethanol / 1.5 h / Heating 5: 76 percent / CH2Cl2 / 2 h / Ambient temperature 6: acetonitrile; H2O / 41 h / 80 °C 7: 1 N aq. NaOH / ethanol / 3 h / Heating View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
3-(2'-Cyano-biphenyl-4-ylmethyl)-2-methoxy-3H-benzoimidazole-4-carboxylic acid methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 2: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 3: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h 4: 70 percent / acetic acid / 0.67 h / 80 - 90 °C View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
3-(2'-Cyano-biphenyl-4-ylmethyl)-2-methylamino-3H-benzoimidazole-4-carboxylic acid methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 2: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 3: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h 4: ethanol / 17 h / 50 °C 5: 1.) methyl iodide, 2.) HCl / 1.) EtOH, reflux, 24 h, 2.) EtOH, H2O View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
ethyl 1-<(2'-cyanobiphenyl-4-yl)methyl>-2-mercapto-1H-benzimidazole-7-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 2: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 3: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h 4: 78 percent / ethanol / 1.5 h / Heating 5: 82 percent / ethanol / 8 h / Heating View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
methyl 2-<<<2'-(methoxycarbonyl)biphenyl-4-yl>methyl>amino>-3-nitrobenzoate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K2CO3 / acetonitrile / 4 h / Heating 2: 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
methyl 2-<<(2'-cyanobiphenyl-4-yl)methyl>amino>-3-<(methoxycarbonyl)amino>benzoate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 2: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 3: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h 4: 90 percent / pyridine / 3 h / Ambient temperature View Scheme |
methyl 2-(N-tert-butoxycarbonylamino)-3-nitrobenzoate
2-[(2'-Cyano-biphenyl-4-ylmethyl)-amino]-3-(3-methyl-thioureido)-benzoic acid methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 2: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 3: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h 4: ethanol / 17 h / 50 °C View Scheme |
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