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hangzhou verychem science and technology co.ltd

Product name:tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate Cas No:198904-85-7 Assay: 99%min Hangzhou Verychem Science And Technology Co. Ltd. was set up in year 2004, it’s a young but

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

Cas:198904-85-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

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

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

Cas:198904-85-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome 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

High quality Tert-Butyl 2-(4-(Pyridin-2-Yl)Benzyl)Hydrazinecarboxylate supplier in China

Cas:198904-85-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages of tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate Cas 198904-85-7 Guaranteed purity High quality & competitive price Quality control Fast feedback Appearance:White powder Storage:cool dry place Package:25kg/drum A

Hebei yanxi chemical co.,LTD.

Hebei 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

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

Cas:198904-85-7

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

inquiry

Hangzhou Think Chemical Co. Ltd

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate CAS No.:198904-85-7 Name: tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate Synonyms: 2-[[4-(2-Pyridinyl)phe

High purity tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate CAS No.:198904-85-7

Cas:198904-85-7

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Other

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Appearance:white powder Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai

2-[[4-(2-Pyridinyl)phenyl]methyl]-hydrazinecarboxylic?acid

Cas:198904-85-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Ality Chemical Corporation

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

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Chemwill Asia Co., Ltd.

Our 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

2-{[4-(2-Pyridinyl)-phenyl]-methyl}-hydrazinecarboxylic acid 1,1 dimethylethyl ester

Cas:198904-85-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/1489.html Product Name tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

Cas:198904-85-7

Min.Order:1 Gram

FOB Price: $5.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our 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

198904-85-7 tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

Cas:198904-85-7

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

Cas:198904-85-7

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

Manufacturer supply CAS 198904-85-7 with competitive price

Cas:198904-85-7

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product Name tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazine carboxylate CAS number 198904-85-7 Molecular formula C17H21N3O2 Molecular weight 2

Hydrazinecarboxylic acid 2-[[4-(2-pyridinyl)phenyl]methyl]-, 1,1-dimethylethyl ester

Cas:198904-85-7

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

Advantages: 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 s

CAS 198904-85-7 99%min Atazanavir intermediate

Cas:198904-85-7

Min.Order:10 Gram

Negotiable

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate 198904-85-7

Cas:198904-85-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate CAS: 198904-85-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, s

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate CAS: 198904-85-7

Cas:198904-85-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Wonda Pharm Limited

1.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 with competi

Atazanavir intermediate with best price

Cas:198904-85-7

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

Cas:198904-85-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best 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

Tert-Butyl 2-(4-(Pyridin-2-Yl)Benzyl)Hydrazinecarboxylate

Cas:198904-85-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Triumph International Development Limilted

Appearance: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:Atazanavir Sulfate 2 Transportation:By Sea/Air/Courier Port:Qin

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

Cas:198904-85-7

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

We are concentrating on the R&D and technical service of APIs and pharmaceutical intermediates Application:Pharmaceutical intermediate Port:Chinese main port

TERT-BUTYL2-(4-(PYRIDIN-2-YL)BENZYL)HYDRAZINECARBOXYLATE

Cas:198904-85-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Afine Chemicals Limited

Our 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

TERT-BUTYL 2-(4-(PYRIDIN-2-YL)BENZYL)HYDRAZINECARBOXYLATE

Cas:198904-85-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

our strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery

Manufacturer/High quality Hydrazinecarboxylic acid 198904-85-7

Cas:198904-85-7

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&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

Tert-Butyl 2-(4-(Pyridin-2-Yl)Benzyl)Hydrazinecarboxylate

Cas:198904-85-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

Cas:198904-85-7

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo 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

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

Cas:198904-85-7

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:Off-white to 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 inter

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

Cas:198904-85-7

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Synthetic route

2-[4-(2-pyridinyl)phenyl]methylenehydrazinecarboxylic acid tert-butyl ester
198904-84-6

2-[4-(2-pyridinyl)phenyl]methylenehydrazinecarboxylic acid tert-butyl ester

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

Conditions
ConditionsYield
With hydrogen; sodium carbonate; triethylamine; 5%-palladium/activated carbon at 40℃; under 760.051 Torr; for 8h;99.76%
With hydrogen; 5%-palladium/activated carbon at 5 - 58℃; under 1520.1 Torr; for 5 - 8h; Nitrogen;99.14%
With hydrogen; palladium on carbon In methanol under 517.162 Torr; for 4h;96.5%
2-[4-(2-pyridinyl)phenyl]methylenehydrazinecarboxylic acid tert-butyl ester
198904-84-6

2-[4-(2-pyridinyl)phenyl]methylenehydrazinecarboxylic acid tert-butyl ester

A

2-(4-methylphenyl)pyridine
4467-06-5

2-(4-methylphenyl)pyridine

B

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

Conditions
ConditionsYield
With hydrogen; triethylamine; 5%-palladium/activated carbon at 40℃; under 760.051 Torr; for 5h;A 0.69%
B 99.17%
With hydrogen; sodium carbonate; 5%-palladium/activated carbon at 40℃; under 760.051 Torr; for 5h;A 0.25%
B 99.16%
With hydrogen; 5%-palladium/activated carbon In methanol at 50℃; under 760.051 Torr; for 5h;A 2.69%
B 97.11%
at 40 - 62℃; under 1520.1 Torr; for 5h; Hydrogen/nitrogen (1/2);A 0.1%
B 97.2%
With hydrogen; 5%-palladium/activated carbon at 5 - 58℃; under 1520.1 Torr; for 5 - 8h; Nitrogen gas;A 2.11%
B 94.41%
N-(tert-butoxycarbonyl)-N'-[4-(pyridin-2-yl)phenylmethylidene]hydrazine
857904-11-1

N-(tert-butoxycarbonyl)-N'-[4-(pyridin-2-yl)phenylmethylidene]hydrazine

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

Conditions
ConditionsYield
With hydrogen; palladium 10% on activated carbon In methanol for 4h;98%
With hydrogen; palladium 10% on activated carbon In methanol98%
With hydrogen; palladium on activated charcoal In methanol89%
2-[4-(2-pyridinyl)phenyl]methylenehydrazinecarboxylic acid tert-butyl ester
198904-84-6

2-[4-(2-pyridinyl)phenyl]methylenehydrazinecarboxylic acid tert-butyl ester

A

N-(tert-butoxycarbonyl)-N'-[4-5 (pyridin-2-yl)phenylmethylidene]hydrazine

N-(tert-butoxycarbonyl)-N'-[4-5 (pyridin-2-yl)phenylmethylidene]hydrazine

B

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

Conditions
ConditionsYield
palladium-carbon In n-heptane; hydrogenA n/a
B 84%
2-(4-formylphenyl)pyridine
127406-56-8

2-(4-formylphenyl)pyridine

t-butoxycarbonylhydrazine
870-46-2

t-butoxycarbonylhydrazine

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

Conditions
ConditionsYield
With borane pyridine; acetic acid In methanol at 0 - 20℃; for 2h;78%
2-bromo-pyridine
109-04-6

2-bromo-pyridine

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1.) Mg, I2, 2.) <1,3-bis(diphenylphosphino)propane>nickel(II) chloride, diisobutylaluminum hydride, 3.) aq. HCl
2: 93 percent / ethanol / 4 h / Heating
3: 89 percent / H2 / 10percent Pd/C / methanol
View Scheme
Multi-step reaction with 3 steps
1: tetrakis(triphenylphosphine) palladium(0); sodium carbonate / toluene; ethanol; water / 150 °C / 6750.68 Torr / Sealed tube; Microwave irradiation
2: trimethylsilyl trifluoromethanesulfonate / toluene; isopropyl alcohol / 22 - 50 °C / Microwave irradiation; Sealed tube
3: palladium 10% on activated carbon; sodium formate / ethanol; water / 1.5 h / 57 °C
View Scheme
Multi-step reaction with 3 steps
1: tetrakis(triphenylphosphine) palladium(0); sodium carbonate / toluene; ethanol / 20 h / 76 °C / Inert atmosphere
2: toluene; isopropyl alcohol / 2 h / 80 - 85 °C / Inert atmosphere; Large scale
3: palladium 10% on activated carbon; sodium formate / water; ethanol / 1.5 h / 57 °C
View Scheme
Multi-step reaction with 3 steps
1: palladium diacetate; triphenylphosphine; potassium hydroxide / methanol; tetrahydrofuran / 24 h / 60 °C / Inert atmosphere; Schlenk technique
2: toluene; isopropyl alcohol / 16 h / 20 - 85 °C / Inert atmosphere; Schlenk technique
3: palladium 10% on activated carbon; sodium formate / ethanol; water
View Scheme
2-(4-formylphenyl)pyridine
127406-56-8

2-(4-formylphenyl)pyridine

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 93 percent / ethanol / 4 h / Heating
2: 89 percent / H2 / 10percent Pd/C / methanol
View Scheme
Multi-step reaction with 2 steps
1: toluene; isopropyl alcohol / 2 h / 80 - 85 °C / Inert atmosphere; Large scale
2: palladium 10% on activated carbon; sodium formate / water; ethanol / 1.5 h / 57 °C
View Scheme
Multi-step reaction with 2 steps
1: toluene; isopropyl alcohol / 16 h / 20 - 85 °C / Inert atmosphere; Schlenk technique
2: palladium 10% on activated carbon; sodium formate / ethanol; water
View Scheme
1,1-dimethoxy-1-(4-bromophenyl)methane
24856-58-4

1,1-dimethoxy-1-(4-bromophenyl)methane

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1.) Mg, I2, 2.) <1,3-bis(diphenylphosphino)propane>nickel(II) chloride, diisobutylaluminum hydride, 3.) aq. HCl
2: 93 percent / ethanol / 4 h / Heating
3: 89 percent / H2 / 10percent Pd/C / methanol
View Scheme
4-formylphenylboronic acid,
87199-17-5

4-formylphenylboronic acid,

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: tetrakis(triphenylphosphine) palladium(0); sodium carbonate / toluene; ethanol; water / 150 °C / 6750.68 Torr / Sealed tube; Microwave irradiation
2: trimethylsilyl trifluoromethanesulfonate / toluene; isopropyl alcohol / 22 - 50 °C / Microwave irradiation; Sealed tube
3: palladium 10% on activated carbon; sodium formate / ethanol; water / 1.5 h / 57 °C
View Scheme
Multi-step reaction with 3 steps
1: tetrakis(triphenylphosphine) palladium(0); sodium carbonate / toluene; ethanol / 20 h / 76 °C / Inert atmosphere
2: toluene; isopropyl alcohol / 2 h / 80 - 85 °C / Inert atmosphere; Large scale
3: palladium 10% on activated carbon; sodium formate / water; ethanol / 1.5 h / 57 °C
View Scheme
Multi-step reaction with 3 steps
1: palladium diacetate; triphenylphosphine; potassium hydroxide / methanol; tetrahydrofuran / 24 h / 60 °C / Inert atmosphere; Schlenk technique
2: toluene; isopropyl alcohol / 16 h / 20 - 85 °C / Inert atmosphere; Schlenk technique
3: palladium 10% on activated carbon; sodium formate / ethanol; water
View Scheme
(2R,3S)-3-[N-(tert-butyloxycarbonyl)amino]-1,2-epoxy-4-phenylbutane
98760-08-8

(2R,3S)-3-[N-(tert-butyloxycarbonyl)amino]-1,2-epoxy-4-phenylbutane

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

1-[4-(pyridine-2-yl)phenyl]-5(S)-2,5-bis[(tert-butyloxycarbonyl)amino]-4(S)-hydroxy-6-phenyl-2-azahexane
198904-86-8

1-[4-(pyridine-2-yl)phenyl]-5(S)-2,5-bis[(tert-butyloxycarbonyl)amino]-4(S)-hydroxy-6-phenyl-2-azahexane

Conditions
ConditionsYield
In isopropyl alcohol for 24h; Inert atmosphere; Reflux; Large scale;85.4%
In isopropyl alcohol Heating / reflux;75%
In isopropyl alcohol for 16h; Heating;69%
C20H32NO7P
1003888-91-2

C20H32NO7P

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

C37H53N4O9P
1003888-92-3

C37H53N4O9P

Conditions
ConditionsYield
In isopropyl alcohol at 80℃; for 15h;78%
(2S)-3-methyl-2-{3-[(2-methyl-1,3-thiazol-4-yl)methyl]-2-oxo-1-imidazolidinyl}butanoic Acid
853893-93-3

(2S)-3-methyl-2-{3-[(2-methyl-1,3-thiazol-4-yl)methyl]-2-oxo-1-imidazolidinyl}butanoic Acid

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

tert-butyl 2-{(2S,3S)-2-hydroxy-3-[((2S)-3-methyl-2-{3-[(2-methyl-1,3-thiazol-4-yl)methyl]-2-oxo-1-imidazolidinyl}butanoyl)amino]-4-phenylbutyl}-2-[4-(2-pyridinyl)benzyl]hydrazinecarboxylate

tert-butyl 2-{(2S,3S)-2-hydroxy-3-[((2S)-3-methyl-2-{3-[(2-methyl-1,3-thiazol-4-yl)methyl]-2-oxo-1-imidazolidinyl}butanoyl)amino]-4-phenylbutyl}-2-[4-(2-pyridinyl)benzyl]hydrazinecarboxylate

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In tetrahydrofuran; DMF (N,N-dimethyl-formamide) at 25℃; for 16h;75%
2,2,2-Trifluoro-N-((S)-1-oxiranyl-2-phenyl-ethyl)-acetamide

2,2,2-Trifluoro-N-((S)-1-oxiranyl-2-phenyl-ethyl)-acetamide

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

1-[4-(Pyridin-2-yl)-phenyl]-4(S)-hydroxy-2-(N-Boc-amino)-5(S)-trifluoroacetyl-amino-6-phenyl-2-azahexane
198905-11-2

1-[4-(Pyridin-2-yl)-phenyl]-4(S)-hydroxy-2-(N-Boc-amino)-5(S)-trifluoroacetyl-amino-6-phenyl-2-azahexane

Conditions
ConditionsYield
In isopropyl alcohol at 80℃; for 16h;60%
(1-oxiranyl-2-phenylethyl)carbamic acid tert-butyl ester
98760-08-8, 98818-34-9, 98818-35-0, 103127-56-6, 98737-29-2

(1-oxiranyl-2-phenylethyl)carbamic acid tert-butyl ester

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

1-[4-(pyridine-2-yl)phenyl]-5(S)-2,5-bis[(tert-butyloxycarbonyl)amino]-4(S)-hydroxy-6-phenyl-2-azahexane
198904-86-8

1-[4-(pyridine-2-yl)phenyl]-5(S)-2,5-bis[(tert-butyloxycarbonyl)amino]-4(S)-hydroxy-6-phenyl-2-azahexane

Conditions
ConditionsYield
In isopropyl alcohol at 65℃; for 16h;57%
In isopropyl alcohol at 65 - 85℃; for 16h; Product distribution / selectivity;35%
In isopropyl alcohol at 85℃; for 16h;35%
N-methoxycarbonyl-L-valine
111398-44-8, 74761-42-5

N-methoxycarbonyl-L-valine

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

Methyl (1S)-2-methyl-1-({2-[4-(2-pyridinyl)benzyl]hydrazino}carbonyl)propylcarbamate
857904-23-5

Methyl (1S)-2-methyl-1-({2-[4-(2-pyridinyl)benzyl]hydrazino}carbonyl)propylcarbamate

Conditions
ConditionsYield
Stage #1: N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine With trifluoroacetic acid In dichloromethane at 25℃; for 1h;
Stage #2: N-methoxycarbonyl-L-valine With N-ethyl-N,N-diisopropylamine; 3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one In tetrahydrofuran at 25℃; for 3h;
47%
Stage #1: N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine With trifluoroacetic acid In dichloromethane at 25℃; for 1h;
Stage #2: N-methoxycarbonyl-L-valine With N-ethyl-N,N-diisopropylamine; 3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one In tetrahydrofuran at 25℃; for 3h;
47%
(1S)-1-(2-oxiranyl)-2-phenyl-N-(trifluoromethyl)ethanamine
857904-14-4

(1S)-1-(2-oxiranyl)-2-phenyl-N-(trifluoromethyl)ethanamine

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

Tert-butyl 2-{(2S,3S)-2-hydroxy-4-phenyl-3-[(trifluoromethyl)amino]butyl}-2-[4-(2-pyridinyl)benzyl]hydrazinecarboxylate
857904-15-5

Tert-butyl 2-{(2S,3S)-2-hydroxy-4-phenyl-3-[(trifluoromethyl)amino]butyl}-2-[4-(2-pyridinyl)benzyl]hydrazinecarboxylate

Conditions
ConditionsYield
In isopropyl alcohol at 65℃; for 16h;28%
In isopropyl alcohol at 65℃; for 16h;28%
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

2(R)-3(S)-1,2-epoxy-3-phenylmethoxycarbonylamino-4-phenylbutane
137515-66-3

2(R)-3(S)-1,2-epoxy-3-phenylmethoxycarbonylamino-4-phenylbutane

tert-butyl 2-((2S,3S)-2-hydroxy-4-phenyl-3-{[(benzyloxy)carbonyl]amino}butyl)-2-(4-pyridin-2-ylbenzyl)hydrazinecarboxylate
1346891-05-1

tert-butyl 2-((2S,3S)-2-hydroxy-4-phenyl-3-{[(benzyloxy)carbonyl]amino}butyl)-2-(4-pyridin-2-ylbenzyl)hydrazinecarboxylate

Conditions
ConditionsYield
In isopropyl alcohol for 18h; Heating / reflux;7%
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

[ring-13C6]-N-(tert-butoxycarbonyl)-2(S)-amino-1-phenyl-3(R)-3,4-epoxy-bytane
1026616-57-8

[ring-13C6]-N-(tert-butoxycarbonyl)-2(S)-amino-1-phenyl-3(R)-3,4-epoxy-bytane

[ring-13C6]-1-[4-(pyridin-2-yl)phenyl]-5(S)-2,5-bis[(tert-butyloxy-carbonyl)-amino]-4(S)-hydroxy-6-phenyl-2-azahexane
866017-17-6

[ring-13C6]-1-[4-(pyridin-2-yl)phenyl]-5(S)-2,5-bis[(tert-butyloxy-carbonyl)-amino]-4(S)-hydroxy-6-phenyl-2-azahexane

Conditions
ConditionsYield
In isopropyl alcohol at 75℃; for 12h;
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

1-(4-(pyridin-2-yl)benzyl)hydrazine
920757-34-2

1-(4-(pyridin-2-yl)benzyl)hydrazine

Conditions
ConditionsYield
With hydrogenchloride In tetrahydrofuran; water at 50℃; for 3h;
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

C42H40N6O7

C42H40N6O7

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: propan-2-ol / 24 h / 80 °C
2: HCl / dioxane / 4 h / 50 °C
3: Et3N / tetrahydrofuran / 8 h / 0 - 20 °C
View Scheme
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

C46H44N6O9

C46H44N6O9

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: propan-2-ol / 24 h / 80 °C
2: HCl / dioxane / 4 h / 50 °C
3: Et3N / tetrahydrofuran / 8 h / 0 - 20 °C
View Scheme
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

1-[4-(pyridin-2-yl)-phenyl]-4(S)-hydroxy-5(S)-2,5-diamino-6-phenyl-2-azahexane
437713-06-9

1-[4-(pyridin-2-yl)-phenyl]-4(S)-hydroxy-5(S)-2,5-diamino-6-phenyl-2-azahexane

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: propan-2-ol / 24 h / 80 °C
2: HCl / dioxane / 4 h / 50 °C
View Scheme
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

{2,2-dimethyl-1-[N-(4-pyridin-2-yl-benzyl)-hydrazinocarbonyl]-propyl}-carbamic acid methyl ester

{2,2-dimethyl-1-[N-(4-pyridin-2-yl-benzyl)-hydrazinocarbonyl]-propyl}-carbamic acid methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: HCl / tetrahydrofuran; H2O / 3 h / 50 °C
2: 1-hydroxybenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; ethyldiisopropylamine / CH2Cl2 / 1.5 h / 20 °C
View Scheme
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

(S)-{2,2-dimethyl-1-[N'-(4-pyridin-2-yl-benzyl)-hydrazinocarbonyl]-propyl}-carbamic acid methyl ester
857904-02-0

(S)-{2,2-dimethyl-1-[N'-(4-pyridin-2-yl-benzyl)-hydrazinocarbonyl]-propyl}-carbamic acid methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: HCl / tetrahydrofuran; H2O / 3 h / 50 °C
2: 14.43 g / 1-hydroxybenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; ethyldiisopropylamine / CH2Cl2 / 1.5 h / 20 °C
View Scheme
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

{(S)-1-[N'-((2S,3S)-3-amino-2-hydroxy-4-phenyl-butyl)-N'-(4-pyridin-2-yl-benzyl)-hydrazinocarbonyl]-2,2-dimethyl-propyl}-carbamic acid methyl ester
857900-54-0

{(S)-1-[N'-((2S,3S)-3-amino-2-hydroxy-4-phenyl-butyl)-N'-(4-pyridin-2-yl-benzyl)-hydrazinocarbonyl]-2,2-dimethyl-propyl}-carbamic acid methyl ester

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: HCl / tetrahydrofuran; H2O / 3 h / 50 °C
2: 14.43 g / 1-hydroxybenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; ethyldiisopropylamine / CH2Cl2 / 1.5 h / 20 °C
3: 25 percent / propan-2-ol / 24 h / Heating
4: HCl / tetrahydrofuran; H2O / 5 h / 50 °C
View Scheme
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

{(1S,2S)-1-benzyl-2-hydroxy-3-[N'-((S)-2-methoxycarbonylamino-3,3-dimethyl-butyryl)-N-(4-pyridin-2-yl-benzyl)-hydrazino]-propyl}-carbamic acid tert-butyl ester
857904-03-1

{(1S,2S)-1-benzyl-2-hydroxy-3-[N'-((S)-2-methoxycarbonylamino-3,3-dimethyl-butyryl)-N-(4-pyridin-2-yl-benzyl)-hydrazino]-propyl}-carbamic acid tert-butyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: HCl / tetrahydrofuran; H2O / 3 h / 50 °C
2: 14.43 g / 1-hydroxybenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; ethyldiisopropylamine / CH2Cl2 / 1.5 h / 20 °C
3: 25 percent / propan-2-ol / 24 h / Heating
View Scheme
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

C38H49(2)H3N6O7

C38H49(2)H3N6O7

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: HCl / tetrahydrofuran; H2O / 3 h / 50 °C
2: 14.43 g / 1-hydroxybenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; ethyldiisopropylamine / CH2Cl2 / 1.5 h / 20 °C
3: 25 percent / propan-2-ol / 24 h / Heating
4: HCl / tetrahydrofuran; H2O / 5 h / 50 °C
5: 78 percent / 1-hydroxybenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; ethyldiisopropylamine / K2HPO4 / CH2Cl2; H2O / 12 h / 20 °C
View Scheme
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

atazanavir
198904-31-3

atazanavir

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: HCl / tetrahydrofuran; H2O / 3 h / 50 °C
2: 14.43 g / 1-hydroxybenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; ethyldiisopropylamine / CH2Cl2 / 1.5 h / 20 °C
3: 25 percent / propan-2-ol / 24 h / Heating
4: HCl / tetrahydrofuran; H2O / 5 h / 50 °C
5: 95 percent / 1-hydroxybenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; ethyldiisopropylamine / CH2Cl2
View Scheme
Multi-step reaction with 3 steps
1: 69 percent / propan-2-ol / 16 h / Heating
2: 100 percent / aq. HCl / tetrahydrofuran / 4 h / 50 °C
3: 1.) O-(1,2-dihydro-2-oxo-1-pyridyl)-N,N,N',N'-tetramethyluronium tetrafluoroborate, N-ethyldiisopropylamine / 1.) CH2Cl2, 0 deg C, 20 min, 2.) CH2Cl2, overnight
View Scheme
Multi-step reaction with 3 steps
1: isopropyl alcohol / 24 h / Inert atmosphere; Reflux; Large scale
2: hydrogenchloride / tetrahydrofuran / 3 h / 22 - 55 °C / Large scale
3: N-ethyl-N,N-diisopropylamine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 22 - 25 °C / Large scale
View Scheme
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

C16(13)C6H26N4O*3ClH

C16(13)C6H26N4O*3ClH

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: propan-2-ol / 12 h / 75 °C
2: HCl / tetrahydrofuran; H2O / 30 h / 60 °C
View Scheme
N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine
198904-85-7

N-1-(tert-butoxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl]hydrazine

[ring-13C6]-1-[4-(pyridin-2-yl)phenyl]-5(S)-2,5-bis{[N-(methoxy-carbonyl)-L-tert-leycinyl]amino}-4(S)-hydroxy-6-phenyl-2-azahexane

[ring-13C6]-1-[4-(pyridin-2-yl)phenyl]-5(S)-2,5-bis{[N-(methoxy-carbonyl)-L-tert-leycinyl]amino}-4(S)-hydroxy-6-phenyl-2-azahexane

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: propan-2-ol / 12 h / 75 °C
2: HCl / tetrahydrofuran; H2O / 30 h / 60 °C
3: 0.899 g / 1-hydroxybenzotriazole hydrate; 1-[3-(dimethylamino)-propyl]-3-ethyl-carbodiimide*HCl; diisopropylethylamine / CH2Cl2 / 17 h / 20 °C
View Scheme

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