Our product has a very high quality and now we are exporting to customers overseas with very positive feedback. With best price, quality and service from Nanjing Sunny, we are confident to set up a very nice cooperation with customers all over the w
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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 ch
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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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inquiryProduct description: Product name tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate CAS number 571188-59-5 Assay ≥99% Appearance White powder Capacity 20mt/year Applica
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inquirytert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate CAS 571188-59-5 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food
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inquiryHebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable
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inquirytert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate CAS No.:571188-59-5 Name: tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate Synonyms: 4-(6-Aminopyridin-3-yl)piperazine-1-carboxylic acid tert-but
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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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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
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inquiry1. made in GMP plant, commerially 2. Normal Stock: 500kgs 3. Audit accepted. Related documents are available to offer and audited by many clients, such as Lupin, MSN, Dr reddy etc 4. Chromatographic Purity (HPLC): not less than 99.0% 5. Chi
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inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
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inquiryHigh quality. Factory supply. In stock. Best price.1.Quick response within 24 hours;2.Best quality in your requirement;?3.We pay more attention on delivery time, and usually ship on time;4.Under the premise of safety and effectiveness, we can produce
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inquiry
Cas:571188-59-5
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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 o
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inquiryAbout Product Technical Details
Cas:571188-59-5
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inquiryLIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
Cas:571188-59-5
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inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
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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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inquiryProduct name tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate Cas number 571188-59-5 Molecular formula C14H22N4O2
Cas:571188-59-5
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inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed conta
Cas:571188-59-5
Min.Order:10 Gram
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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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inquirytert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate CAS:571188-59-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, sp
Cas:571188-59-5
Min.Order:1 Gram
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inquiry1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products wi
Cas:571188-59-5
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inquirytert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate CAS: 571188-59-5 Specification Product name tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate CAS number 571188-59-5 Assay ≥99% Ap
Cas:571188-59-5
Min.Order:1 Kilogram
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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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inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:571188-59-5
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Type:Trading Company
inquiryAppearance:white or light yellow 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:By
Cas:571188-59-5
Min.Order:100 Gram
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Type:Lab/Research institutions
inquiry4-(6-Aminopyridin-3-yl)piperazine-1-carboxylic acid tert-butyl ester is one of the most competitive products in our company, we can supply it with good quality and best price. Appearance:White to yellow solid Storage:Room temperature, Keep in Dark Pl
Cas:571188-59-5
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inquiryOur company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-
Cas:571188-59-5
Min.Order:100 Gram
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Type:Lab/Research institutions
inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
Cas:571188-59-5
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Type:Lab/Research institutions
inquiry4-(6-nitropyridin-3-yl)-piperazine-1-carboxylic acid tert-butyl ester
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol; water for 2h; | 100% |
With palladium on activated charcoal; hydrogen In ethanol for 3h; | 100% |
With palladium 10% on activated carbon; hydrogen In methanol at 25℃; under 2250.23 Torr; for 4h; Autoclave; | 99.1% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With 5%-palladium/activated carbon; hydrogen; ammonium chloride In methanol at 40 - 45℃; under 1500.15 - 2250.23 Torr; Temperature; Reagent/catalyst; Pressure; Solvent; Autoclave; | 95.3% |
2-aminopyridine
1-t-Butoxycarbonylpiperazine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen In 1,2-dichloro-ethane for 10h; Reagent/catalyst; Irradiation; | 95% |
di-tert-butyl dicarbonate
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
In methanol; water at 20℃; Solvent; Inert atmosphere; | 94% |
2-amino-5-iodopyridine
1-t-Butoxycarbonylpiperazine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With potassium phosphate; copper(l) iodide; ethylene glycol In isopropyl alcohol at 110℃; for 10h; Ullmann Condensation; Sealed tube; | 85% |
1-(6-nitropyridin-3-yl)piperazine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 190.93 g / aq. NaHCO3 / tetrahydrofuran / 3 h 2: 83 percent / H2 / Raney Nickel / methanol / 5 h / 2585.74 Torr View Scheme | |
Multi-step reaction with 2 steps 1: triethylamine / tetrahydrofuran / 50 °C 2: 10% palladium on activated carbon; hydrogen / methanol View Scheme | |
Multi-step reaction with 2 steps 1: sodium hydrogencarbonate / water; tetrahydrofuran / 3 h / 20 °C 2: hydrogen / water; methanol / 5 h / 2585.81 Torr View Scheme | |
Multi-step reaction with 2 steps 1: dmap; triethylamine / dichloromethane / 8 h / 20 °C 2: hydrogen; palladium 10% on activated carbon / methanol / 20 °C View Scheme |
5-bromo2-nitropyridine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: tetra-n-butylammonium iodide; K2CO3 / dimethylsulfoxide / 80 - 100 °C 2: 190.93 g / aq. NaHCO3 / tetrahydrofuran / 3 h 3: 83 percent / H2 / Raney Nickel / methanol / 5 h / 2585.74 Torr View Scheme | |
Multi-step reaction with 3 steps 1: tetra-(n-butyl)ammonium iodide; potassium carbonate / dimethyl sulfoxide / 80 °C 2: triethylamine / tetrahydrofuran / 50 °C 3: 10% palladium on activated carbon; hydrogen / methanol View Scheme | |
Multi-step reaction with 2 steps 1: potassium carbonate / dimethyl sulfoxide / 65 °C 2: hydrogen / palladium 10% on activated carbon / ethanol / 16 h / 20 °C / Inert atmosphere View Scheme |
4-(6-nitropyridin-3-yl)-piperazine-1-carboxylic acid tert-butyl ester
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
In methanol; n-heptane; water; hydrogen |
1-t-Butoxycarbonylpiperazine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium carbonate / dimethyl sulfoxide / 65 °C 2: hydrogen / palladium 10% on activated carbon / ethanol / 16 h / 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: potassium carbonate / dimethyl sulfoxide / 65 °C 2: palladium 10% on activated carbon; hydrogen / ethanol / 16 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 1-methyl-pyrrolidin-2-one / 3 h / 120 °C 2: hydrogen; palladium 10% on activated carbon / ethanol / 2 h View Scheme |
di-tert-butyl dicarbonate
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium carbonate / water; tetrahydrofuran / 1.5 h / 5 - 28 °C / Inert atmosphere 2: hydrogen / palladium 10% on activated carbon / water; methanol / 0.25 h / 19 - 54 °C / 1551.49 - 2327.23 Torr / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: N,N-dimethyl-formamide 2: hydrogen; palladium 10% on activated carbon / methanol View Scheme | |
Multi-step reaction with 2 steps 1.1: N,N-dimethyl-formamide; isopropyl alcohol / 20 - 60 °C 1.2: 20 °C 2.1: zinc; acetic acid / water / 2 h / 10 - 20 °C View Scheme |
2-amino-5-fluoropyridine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sulfuric acid; dihydrogen peroxide / water / 16 h / 0 - 20 °C 2: triethylamine / toluene / 16 h / 100 °C 3: hydrogen / Raney-Nickel / methanol / 4 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: copper(l) iodide; potassium carbonate; ethyl 2-oxocyclohexane carboxylate / N,N-dimethyl-formamide / 130 °C / Inert atmosphere 2: methanol; water / 20 °C / Inert atmosphere View Scheme |
5-fluoro-2-nitro-pyridine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: triethylamine / toluene / 16 h / 100 °C 2: hydrogen / Raney-Nickel / methanol / 4 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: N-ethyl-N,N-diisopropylamine / ethanol / 36 h / 60 °C 2: acetic acid; palladium on activated charcoal; hydrogen / methanol / 4 h / 25 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: potassium carbonate / dimethyl sulfoxide / 0.5 h / 20 °C 1.2: 5 h / 70 °C 2.1: FeO(OH)/C; hydrazine hydrate / ethanol / Reflux View Scheme |
5-chloro-2-nitropyridine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium carbonate / dimethyl sulfoxide / 100 - 110 °C / Microwave irradiation 2: palladium 10% on activated carbon; hydrogen / methanol / 4 h / 20 °C View Scheme |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: triethylamine; dmap / dichloromethane / 8 h / 20 °C 2: palladium 10% on activated carbon; hydrogen / methanol / 20 °C View Scheme |
5-bromo-2-pyridylamine
1-t-Butoxycarbonylpiperazine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With potassium phosphate; copper(l) iodide; ethylene glycol In isopropyl alcohol at 110℃; for 24h; Ullmann Condensation; Sealed tube; |
5-bromo2-nitropyridine
1-t-Butoxycarbonylpiperazine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: triethylamine; lithium chloride / dimethyl sulfoxide / 12 h / 60 - 65 °C 2: hydrogen / methanol / 4 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 50 °C 2: hydrogen; palladium on activated charcoal / methanol / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: N-ethyl-N,N-diisopropylamine / ethanol / 20 h / 25 °C / Inert atmosphere 2: hydrogen; palladium on activated charcoal / ethanol / 3 h / 25 °C View Scheme | |
Multi-step reaction with 2 steps 1: triethylamine / dimethyl sulfoxide / 18 h / 60 °C 2: iron; ammonium chloride / ethanol / 6 h / 70 °C View Scheme |
piperazine
5-chloro-2-pyridylamine
di-tert-butyl dicarbonate
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Stage #1: piperazine; di-tert-butyl dicarbonate In dichloromethane at 0 - 20℃; for 2h; Stage #2: 5-chloro-2-pyridylamine In water; N,N-dimethyl-formamide at 100℃; for 8h; | |
Stage #1: piperazine; di-tert-butyl dicarbonate In dichloromethane at 0 - 20℃; for 2h; Stage #2: 5-chloro-2-pyridylamine In water; N,N-dimethyl-formamide at 100℃; for 8h; | |
Stage #1: piperazine; di-tert-butyl dicarbonate In dichloromethane at 0 - 20℃; for 2h; Stage #2: 5-chloro-2-pyridylamine In water; N,N-dimethyl-formamide at 100℃; for 8h; | |
Stage #1: piperazine; di-tert-butyl dicarbonate In dichloromethane at 0 - 20℃; for 2h; Stage #2: 5-chloro-2-pyridylamine In water; N,N-dimethyl-formamide at 100℃; for 8h; |
5-bromo-2-pyridylamine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: dihydrogen peroxide; sulfuric acid / water / 5 - 15 °C 2: lithium chloride; triethylamine / acetonitrile / 32 h / 70 - 73 °C / Inert atmosphere 3: palladium 10% on activated carbon; hydrogen / methanol / 12 h / 20 °C / 2250.23 Torr View Scheme |
5-fluoro-2-nitro-pyridine
1-t-Butoxycarbonylpiperazine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: potassium carbonate / tetrahydrofuran / 1 h / 20 °C 1.2: 8 h / 50 °C 2.1: palladium 10% on activated carbon / methanol / 10 h / 20 °C View Scheme |
5-bromo2-nitropyridine
di-tert-butyl dicarbonate
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: tetra-(n-butyl)ammonium iodide; potassium carbonate / dimethyl sulfoxide / 80 °C 1.2: 3 h / 20 °C 2.1: hydrogen / water; methanol / 2585.81 Torr View Scheme |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: N,N-dimethyl-formamide / 5 h / 20 - 85 °C 2: 5%-palladium/activated carbon; ammonium chloride; hydrogen / methanol / 40 - 45 °C / 1500.15 - 2250.23 Torr / Autoclave View Scheme |
2-amino-5-iodopyridine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: CVT-2537; sodium carbonate; copper(l) iodide / N,N-dimethyl-formamide / 98 °C / Inert atmosphere 2: methanol; water / 20 °C / Inert atmosphere View Scheme |
5-chloro-2-pyridylamine
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper(l) iodide; rac-Pro-OH; potassium carbonate / butan-1-ol / 120 °C / Inert atmosphere 2: methanol; water / 20 °C / Inert atmosphere View Scheme |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
2-chloroethanal
tert-butyl 4-(imidazo[1,2-a]pyridin-6-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
In ethanol; water for 15h; Heating; | 100% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane for 12h; Inert atmosphere; Reflux; | 100% |
Conditions | Yield |
---|---|
With palladium diacetate; caesium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In 1,4-dioxane at 100℃; for 1.5h; | 100% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
tert‑butyl 4‑(6‑((6‑bromo‑8‑cyclopentyl‑5‑methyl‑7‑oxo‑7,8‑dihydropyrido[2,3‑d]pyrimidin‑2‑yl)amino)pyridin‑3‑yl)piperazine‑1‑carboxylate
Conditions | Yield |
---|---|
Stage #1: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate With isopropyl chloride In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Large scale; Stage #2: 2-chloro-5-methyl-6-bromo-8-cyclopentylpyridine[2,3-d]pyrimidin-8-hydro-7-one With isopropylmagnesium chloride In tetrahydrofuran at 70℃; Temperature; Large scale; | 99.9% |
With isopropylmagnesium chloride In tetrahydrofuran at 20 - 60℃; Inert atmosphere; | 93% |
With lithium hexamethyldisilazane In tetrahydrofuran; N,N-dimethyl-formamide at 0 - 25℃; | 92% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With hydrogenchloride In 1,4-dioxane; dichloromethane at 20℃; for 16h; | 99% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Stage #1: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate With lithium hexamethyldisilazane In tetrahydrofuran at 10 - 20℃; for 1h; Inert atmosphere; Stage #2: 1-(2-chloro-8-cyclopentyl-5-methyl-7-oxo-1,3,8-triaza-8H-naphth-6-yl)-1-ethanone In tetrahydrofuran at 20℃; for 15h; Inert atmosphere; | 93.7% |
With lithium hexamethyldisilazane In N,N-dimethyl-formamide at 0 - 25℃; | 79% |
With potassium carbonate In N,N-dimethyl-formamide at 80 - 85℃; for 4h; | 70% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
2-chloro-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide
N,N‐dimethyl‐7‐cyclopentyl‐2‐{[5‐(4-tert-butoxycarbonylpiperazin‐1‐yl)pyridin‐2‐yl]amino}‐7H‐pyrrolo[2,3‐d]pyrimidine‐6‐carboxamide
Conditions | Yield |
---|---|
With palladium diacetate; caesium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl at 90 - 100℃; for 3h; Inert atmosphere; | 92.2% |
Stage #1: 2-chloro-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide With potassium carbonate In dichloromethane at 60℃; for 0.5h; Stage #2: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate In dichloromethane at 60℃; for 1h; Reagent/catalyst; Temperature; | 86% |
Stage #1: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate With lithium hexamethyldisilazane In tetrahydrofuran; toluene at -5 - 35℃; Inert atmosphere; Stage #2: 2-chloro-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide In tetrahydrofuran; toluene at -5 - 35℃; | 86.6% |
Conditions | Yield |
---|---|
Stage #1: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate With lithium hexamethyldisilazane In tetrahydrofuran; toluene at 20℃; for 0.5h; Inert atmosphere; Stage #2: C17H20ClN3O3 In tetrahydrofuran; toluene at 20℃; for 1h; Inert atmosphere; | 92% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
N-formylbenzotriazole
Conditions | Yield |
---|---|
In tetrahydrofuran Heating / reflux; | 91.2% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In toluene Inert atmosphere; Reflux; | 90.8% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
mercaptoacetic acid
tert-butyl 4-(hydroxymethyl)piperidin-1-carboxylate
tert-butyl 4-(6-(2-(1-(tert-butoxycarbonyl)piperidin-4-yl)-4-oxothiazolidin-3-yl)pyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Stage #1: tert-butyl 4-(hydroxymethyl)piperidin-1-carboxylate With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide In dimethyl sulfoxide; ethyl acetate at 0 - 25℃; Inert atmosphere; Stage #2: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate; mercaptoacetic acid In dimethyl sulfoxide; ethyl acetate at 25℃; Inert atmosphere; | 90% |
With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide In dimethyl sulfoxide; ethyl acetate at 0 - 20℃; |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Stage #1: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate With sodium hexamethyldisilazane In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Stage #2: tert-butyl 7-benzyl-2-(methylsulfonyl)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylate In tetrahydrofuran at -70℃; for 0.5h; Inert atmosphere; | 89.1% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
2-methoxy-4-(hydroxymethyl)-3-methoxybenzoate
mercaptoacetic acid
tert-butyl 4-(6-(2-(2-methoxy-4-(methoxycarbonyl)phenyl)-4-oxothiazolidin-3-yl)pyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Stage #1: 2-methoxy-4-(hydroxymethyl)-3-methoxybenzoate With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide In dimethyl sulfoxide; ethyl acetate at 0 - 25℃; Inert atmosphere; Stage #2: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate; mercaptoacetic acid In dimethyl sulfoxide; ethyl acetate at 25℃; Inert atmosphere; | 89% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane at 110℃; for 16h; Inert atmosphere; | 88.94% |
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane at 110℃; for 16h; Inert atmosphere; | 88.94% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
8-cyclopentyl-2-[[5-[4-[(1,1-dimethylethoxy)carbonyl]-1-piperazinyl]-2-pyridinyl]amino]-7,8-dihydro-5-methyl-7-oxo-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
With lithium hexamethyldisilazane In toluene at -10 - 0℃; for 0.5h; | 88.2% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Ethoxycarbonyl isothiocyanate
Conditions | Yield |
---|---|
In 1,4-dioxane at 20℃; for 3h; | 88% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
tert-butyl 4-(6-(8-cyclopentyl-6-iodo-5-methyl-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-2-ylamino)pyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With lithium hexamethyldisilazane In tetrahydrofuran; N,N-dimethyl-formamide at 0 - 25℃; | 87% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
PD 0332991
Conditions | Yield |
---|---|
Stage #1: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate With lithium hexamethyldisilazane In tetrahydrofuran; tert-butyl methyl ether for 0.5h; Stage #2: 1-(2-chloro-8-cyclopentyl-5-methyl-7-oxo-1,3,8-triaza-8H-naphth-6-yl)-1-ethanone In tetrahydrofuran; tert-butyl methyl ether at 20℃; for 1h; Solvent; Reagent/catalyst; | 86.6% |
Stage #1: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate; 1-(2-chloro-8-cyclopentyl-5-methyl-7-oxo-1,3,8-triaza-8H-naphth-6-yl)-1-ethanone With lithium hexamethyldisilazane In toluene at 50 - 55℃; Inert atmosphere; Stage #2: With hydrogenchloride In dichloromethane; water at 20℃; for 12h; Inert atmosphere; | 82.6% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
2-methylisothiourea sulphate
Conditions | Yield |
---|---|
In water at 20 - 25℃; for 6h; | 86.5% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
N,N‐dimethyl‐7‐cyclopentyl‐2‐{[5‐(4-tert-butoxycarbonylpiperazin‐1‐yl)pyridin‐2‐yl]amino}‐7H‐pyrrolo[2,3‐d]pyrimidine‐6‐carboxamide
Conditions | Yield |
---|---|
Stage #1: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate With lithium hexamethyldisilazane In tetrahydrofuran; toluene at 0 - 10℃; for 1h; Stage #2: C14H17FN4O In tetrahydrofuran; toluene at 0 - 20℃; for 2.5h; | 86% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
5-bromo-2-chloro-N-cyclopentylaminopyrimidine-4-amine
tert-butyl 4-(6-{[5-bromo-4-(cyclopentylamino)pyrimidin-2-yl]amino}pyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
Stage #1: 5-bromo-2-chloro-N-cyclopentylaminopyrimidine-4-amine With potassium carbonate In dichloromethane at 60℃; for 0.5h; Stage #2: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate In dichloromethane at 20 - 60℃; for 1h; | 85% |
Stage #1: tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate; 5-bromo-2-chloro-N-cyclopentylaminopyrimidine-4-amine In xylene; butan-1-ol at 100 - 140℃; Stage #2: With sodium hydroxide In water; ethyl acetate; xylene; butan-1-ol |
6-acetyl-8-cyclopentyl-5-methyl-2-(methylsulfinyl)pyrido[2,3-d]pyrimidin-7(8H)-one
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
PD 0332991
Conditions | Yield |
---|---|
Stage #1: 6-acetyl-8-cyclopentyl-5-methyl-2-(methylsulfinyl)pyrido[2,3-d]pyrimidin-7(8H)-one; tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate With lithium hexamethyldisilazane In toluene at 70 - 75℃; Inert atmosphere; Stage #2: With hydrogenchloride In dichloromethane; water at 20℃; for 12h; Inert atmosphere; | 85% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,4-dioxane at 110℃; for 6h; Inert atmosphere; | 79% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
6-chloro-8-bromoimidazo[1,2-a]pyridine
tert-butyl 4-(6-(6-chloroimidazo[1,2-a]pyridin-8-ylamino)pyridine-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane at 100℃; for 5h; Inert atmosphere; | 78% |
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane at 110℃; for 16h; | 76% |
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