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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

Factory Price API 99% Ritonavir 155213-67-5 GMP Manufacturer

Cas:155213-67-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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GUANGZHOU MEDCAN PHARMATECH LTD

assay above 99% Ritonavir APIs High purity In stock Ritonavir is an orally potent inhibitor of human immunodeficiency virus-1 (HIV-1) and human immunodeficiency virus-2 (HIV-2) aspartic proteases, blocking this enzyme promotes the production of mo

assay above 99% Ritonavir APIs

Cas:155213-67-5

Min.Order:1 Kilogram

FOB Price: $1500.0 / 1600.0

Type:Lab/Research institutions

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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

Ritonavir Manufacturer/High quality/Best price/In stock

Cas:155213-67-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c

Factory Supply Ritonavir USP quality CAS 155213-67-5

Cas:155213-67-5

Min.Order:1 Kilogram

FOB Price: $100.0

Type:Trading Company

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result HPLC-content determination ≥98% 98.34% Appearance White floc

High purity Various Specifications Ritonavir CAS:155213-67-5

Cas:155213-67-5

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

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Kono Chem Co.,Ltd

Specification Items Specifications Results Appearance White to off-white powder

CAS:155213-67-5 Ritonavir

Cas:155213-67-5

Min.Order:1 Kilogram

Negotiable

Type:Other

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

Jinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pu

Anti HCV drugs 99% Ritonavir CAS 155213-67-5 with best price

Cas:155213-67-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Ritonavir Cas 155213-67-5 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White to off-white powder Storage:-20°C Freezer Package:1kg/foil bag;25kg/drum

Factory supply high purity Ritonavir Cas 155213-67-5 with reasonable price

Cas:155213-67-5

Min.Order:1 Kilogram

FOB Price: $1250.0 / 1260.0

Type:Trading Company

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Hangzhou Think Chemical Co. Ltd

Ritonavir CAS No.:155213-67-5 Name: Ritonavir Synonyms: 1,3-Thiazol-5-ylmethyl N-[(2S,3S,5R)-3-hydroxy-5-[[(2S)-3-methyl-2-[[methyl-[(2-propan-2-yl-1,3-thiazol-4-yl)methyl]carbamoyl]amino]butanoyl]am

High purity Ritonavir CAS No.:155213-67-5

Cas:155213-67-5

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Other

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EAST CHEMSOURCES LIMITED

Ritonavir English name: Ritonavir Chemical name: 1,3-Thiazol-5-ylmethylN-[(2S,3S,5R)-3-hydroxy-5-[[(2S)-3-methyl-2-[[methyl-[(2-propan-2-yl-1,3-thiazol-4-yl)methyl]carbamoyl]amino]butanoyl]amino]-1,6-diph

Ritonavir

Cas:155213-67-5

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Manufacturers

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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

Factory Supply Ritonavir

Cas:155213-67-5

Min.Order:1

Negotiable

Type:Other

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou 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 api, intermedi

Ritonavir

Cas:155213-67-5

Min.Order:1 Kilogram

FOB Price: $5.0 / 10.0

Type:Manufacturers

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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

Ritonavir

Cas:155213-67-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hubei DiBo chemical co., LTD

Name:Ritonavir CAS NO: 155213-67-5 Molecular formula:C37H48N6O5S2 Molecular weight:720.9442 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability

Ritonavir/CAS:155213-67-5/Manufacturer

Cas:155213-67-5

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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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

Ritonavir CAS 155213-67-5

Cas:155213-67-5

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company

TIANFU-CHEM - Ritonavir

Cas:155213-67-5

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

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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

Pharmaceutical Grade CAS 155213-67-5 with competitive price

Cas:155213-67-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

155213-67-5 Ritonavir product Name Ritonavir Synonyms 1,3-thiazol-5-ylmethyl n-[(2s,3s,5r)-3-hydroxy-5-[[(2s)-3-methyl-2-[[methyl-[(2-propan-2

Ritonavir,155213-67-5

Cas:155213-67-5

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Other

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White to off-white powder Storage:Room temperature Package:1kg/bag Application:API Transportation:Express/Sea/Air Port:Any port in China

Factory Price API 99% Ritonavir CAS:155213-67-5

Cas:155213-67-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

Our Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High quality gua

99% Purity Medicine Ritonavir CAS 155213-67-5 for Anti HCV Navir

Cas:155213-67-5

Min.Order:10 Gram

Negotiable

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Appearance:White powder Storage:storage in a dr

High purity Ritonavir CAS NO.155213-67-5

Cas:155213-67-5

Min.Order:10 Gram

FOB Price: $10.0

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

Ritonavir 99%

Cas:155213-67-5

Min.Order:1 Kilogram

FOB Price: $86.0 / 100.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Beluga chemical professional supply High-quality Ritonavir CAS 155213-67-5 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Made in China and

High-quality Ritonavir CAS 155213-67-5

Cas:155213-67-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

Ritonavir

Cas:155213-67-5

Min.Order:1 Kilogram

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

Anti HCV drugs 99% Ritonavir with bottom price

Cas:155213-67-5

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,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

Ritonavir CAS155213-67-5

Cas:155213-67-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Company information: Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in chemical raw materials and chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big custo

Ritonavir CAS 155213-67-5

Cas:155213-67-5

Min.Order:1 Kilogram

FOB Price: $8.0 / 10.0

Type:Trading Company

inquiry

Shanxi Ankesi Biotechnology Co., Ltd

Our Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good qual

High purity Ritonavir CAS 155213-67-5 AKS

Cas:155213-67-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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

Ritonavir

Cas:155213-67-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)-carbonyl)-L-valine
154212-61-0

N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)-carbonyl)-L-valine

(2S,3S,5S)-5-Amino-2-(N-((5-thiazolyl)-methoxycarbonyl)amino)-3-hydroxy-1,6-diphenylhexane
144164-11-4

(2S,3S,5S)-5-Amino-2-(N-((5-thiazolyl)-methoxycarbonyl)amino)-3-hydroxy-1,6-diphenylhexane

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
Stage #1: N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)-carbonyl)-L-valine With N-ethyl-N,N-diisopropylamine; diisopropyl-carbodiimide at 27℃; for 0.5h;
Stage #2: (2S,3S,5S)-5-Amino-2-(N-((5-thiazolyl)-methoxycarbonyl)amino)-3-hydroxy-1,6-diphenylhexane for 7h; Temperature;
91.5%
With diethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In butanone at 41℃; for 0.666667h; Concentration; Temperature;87.4%
With N-ethyl-N'-(3-diethylaminopropyl)-carbodiimide; 1-hydroxybenzotriazol-hydrate In tetrahydrofuran for 16h; Ambient temperature; Yield given;
Stage #1: N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)-carbonyl)-L-valine With pivaloyl chloride; triethylamine In dichloromethane at 0 - 10℃; Inert atmosphere; Large scale;
Stage #2: With dmap In dichloromethane at 0 - 10℃; for 0.5h; Large scale;
Stage #3: (2S,3S,5S)-5-Amino-2-(N-((5-thiazolyl)-methoxycarbonyl)amino)-3-hydroxy-1,6-diphenylhexane In dichloromethane at 25 - 35℃; Large scale;
N-ritonavir

N-ritonavir

((5-thiazolyl)methyl)-(4-nitrophenyl)carbonate
144163-97-3

((5-thiazolyl)methyl)-(4-nitrophenyl)carbonate

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethyl acetate at 50 - 60℃; for 9h;85.29%
C37H53N5O5S

C37H53N5O5S

(5-thiazolyl)methyl 2,2,2-trichloroethanol carbonate

(5-thiazolyl)methyl 2,2,2-trichloroethanol carbonate

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
Stage #1: C37H53N5O5S With hydrogenchloride In water; ethyl acetate at 0 - 20℃; for 6h; Green chemistry;
Stage #2: (5-thiazolyl)methyl 2,2,2-trichloroethanol carbonate With triethylamine In ethyl acetate at 0 - 20℃; for 12h; Green chemistry;
79%
(2S,3S,5S)-5-amino-3-[O-[N-[N-methyl-N-[(2-isopropyl-4-thiazolyl)methyl]amino]carbonyl]-L-valyloxy]-2-[N-[(5-thiazolyl)methoxycarbonyl]amino]-1,6-diphenyl-3-hydroxyhexane hydrochloride

(2S,3S,5S)-5-amino-3-[O-[N-[N-methyl-N-[(2-isopropyl-4-thiazolyl)methyl]amino]carbonyl]-L-valyloxy]-2-[N-[(5-thiazolyl)methoxycarbonyl]amino]-1,6-diphenyl-3-hydroxyhexane hydrochloride

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
With PBS In ethanol pH=7.4; Kinetics; Further Variations:; pH-values;
L-valine methylester hydrochloride
6306-52-1

L-valine methylester hydrochloride

Sasrin Fmoc-valine

Sasrin Fmoc-valine

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 4-methylmorpholine / CH2Cl2 / Ambient temperature
2: DMAP, Et3N / tetrahydrofuran / 2 h / Heating
3: 0.50 M aq. LiOH / dioxane / 0.5 h / Ambient temperature
4: 1-hydroxybenzotriazole hydrate, N-ethyl-N'-<(dimethylamino)propyl>carbodiimide / tetrahydrofuran / 16 h / Ambient temperature
View Scheme
((5-thiazolyl)methyl)-(4-nitrophenyl)carbonate
144163-97-3

((5-thiazolyl)methyl)-(4-nitrophenyl)carbonate

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 16 percent / tetrahydrofuran / 4 h / Ambient temperature
2: 1-hydroxybenzotriazole hydrate, N-ethyl-N'-<(dimethylamino)propyl>carbodiimide / tetrahydrofuran / 16 h / Ambient temperature
View Scheme
N-methyl-N-<(2-isopropyl-4-thiazolyl)methyl>amine
154212-60-9

N-methyl-N-<(2-isopropyl-4-thiazolyl)methyl>amine

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: DMAP, Et3N / tetrahydrofuran / 2 h / Heating
2: 0.50 M aq. LiOH / dioxane / 0.5 h / Ambient temperature
3: 1-hydroxybenzotriazole hydrate, N-ethyl-N'-<(dimethylamino)propyl>carbodiimide / tetrahydrofuran / 16 h / Ambient temperature
View Scheme
Multi-step reaction with 3 steps
1.1: triethylamine / tetrahydrofuran / 6 h / 50 - 60 °C / Green chemistry
2.1: triethylamine; p-toluenesulfonyl chloride / dichloromethane / 3 h / 0 - 10 °C / Green chemistry
2.2: 6 h / 0 - 20 °C / Green chemistry
3.1: hydrogenchloride / ethyl acetate; water / 6 h / 0 - 20 °C / Green chemistry
3.2: 12 h / 0 - 20 °C / Green chemistry
View Scheme
N-<<(4-nitrophenyl)oxy>carbonyl>-L-valine methyl ester
162537-10-2

N-<<(4-nitrophenyl)oxy>carbonyl>-L-valine methyl ester

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: DMAP, Et3N / tetrahydrofuran / 2 h / Heating
2: 0.50 M aq. LiOH / dioxane / 0.5 h / Ambient temperature
3: 1-hydroxybenzotriazole hydrate, N-ethyl-N'-<(dimethylamino)propyl>carbodiimide / tetrahydrofuran / 16 h / Ambient temperature
View Scheme
N-((N-methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)carbonyl)-L-valine methyl ester
154248-99-4

N-((N-methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)carbonyl)-L-valine methyl ester

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 0.50 M aq. LiOH / dioxane / 0.5 h / Ambient temperature
2: 1-hydroxybenzotriazole hydrate, N-ethyl-N'-<(dimethylamino)propyl>carbodiimide / tetrahydrofuran / 16 h / Ambient temperature
View Scheme
4-(Chloromethyl)-2-isopropylthiazole Hydrochloride

4-(Chloromethyl)-2-isopropylthiazole Hydrochloride

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: H2O / 1 h
2: DMAP, Et3N / tetrahydrofuran / 2 h / Heating
3: 0.50 M aq. LiOH / dioxane / 0.5 h / Ambient temperature
4: 1-hydroxybenzotriazole hydrate, N-ethyl-N'-<(dimethylamino)propyl>carbodiimide / tetrahydrofuran / 16 h / Ambient temperature
View Scheme
N-[[N-methyl-N-[(2-isopropyl-4-thiazolyl)methyl]amino]carbonyl]-L-valinyl hydroxysuccinimide ester
224631-15-6

N-[[N-methyl-N-[(2-isopropyl-4-thiazolyl)methyl]amino]carbonyl]-L-valinyl hydroxysuccinimide ester

(2S,3S,5S)-5-Amino-2-(N-((5-thiazolyl)-methoxycarbonyl)amino)-3-hydroxy-1,6-diphenylhexane
144164-11-4

(2S,3S,5S)-5-Amino-2-(N-((5-thiazolyl)-methoxycarbonyl)amino)-3-hydroxy-1,6-diphenylhexane

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
In ethyl acetate at 0 - 20℃; for 18h;
In ethyl acetate at 0 - 20℃; for 18h;
N-[N-methyl-N-[(2-isopropyl-4-thiazolyl)methyl]aminocarbonyl]-L-valine chloride

N-[N-methyl-N-[(2-isopropyl-4-thiazolyl)methyl]aminocarbonyl]-L-valine chloride

(2S,3S,5S)-5-Amino-2-(N-((5-thiazolyl)-methoxycarbonyl)amino)-3-hydroxy-1,6-diphenylhexane
144164-11-4

(2S,3S,5S)-5-Amino-2-(N-((5-thiazolyl)-methoxycarbonyl)amino)-3-hydroxy-1,6-diphenylhexane

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
In ethyl acetate Solvent;55.7 g
(2S,3S,5S)-5-(t-butyloxycarbonylamino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3-hydroxy-1,6-diphenylhexane
162849-95-8

(2S,3S,5S)-5-(t-butyloxycarbonylamino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3-hydroxy-1,6-diphenylhexane

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: hydrogenchloride / water; ethyl acetate / 3 h / 50 °C
2: ethyl acetate
View Scheme
N-[N-methyl-N-[(2-isopropyl-4-thiazolyl)methyl]aminocarbonyl]-L-valine chloride

N-[N-methyl-N-[(2-isopropyl-4-thiazolyl)methyl]aminocarbonyl]-L-valine chloride

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: dichloromethane / 1 h / 10 °C
2: hydrogenchloride / ethyl acetate; water / 4 h / 10 - 20 °C
3: sodium hydrogencarbonate / ethyl acetate / 9 h / 50 - 60 °C
View Scheme
N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)-carbonyl)-L-valine
154212-61-0

N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)-carbonyl)-L-valine

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: thionyl chloride / dichloromethane; N,N-dimethyl-formamide / 1 h / 0 - 10 °C
2: dichloromethane / 1 h / 10 °C
3: hydrogenchloride / ethyl acetate; water / 4 h / 10 - 20 °C
4: sodium hydrogencarbonate / ethyl acetate / 9 h / 50 - 60 °C
View Scheme
(S)-3-methyl-2-[(2,2,2-trichloroethoxy)carbonylamino]butyric acid
78221-33-7

(S)-3-methyl-2-[(2,2,2-trichloroethoxy)carbonylamino]butyric acid

ritonavir
155213-67-5

ritonavir

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: triethylamine / tetrahydrofuran / 6 h / 50 - 60 °C / Green chemistry
2.1: triethylamine; p-toluenesulfonyl chloride / dichloromethane / 3 h / 0 - 10 °C / Green chemistry
2.2: 6 h / 0 - 20 °C / Green chemistry
3.1: hydrogenchloride / ethyl acetate; water / 6 h / 0 - 20 °C / Green chemistry
3.2: 12 h / 0 - 20 °C / Green chemistry
View Scheme
dimethylsulfide
75-18-3

dimethylsulfide

ritonavir
155213-67-5

ritonavir

N1-((1S,3S,4S)-1-benzyl-3-[(methylthio)methoxy]-5-phenyl-4-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}pentyl)-N2-{[[(2-isopropyl-1,3-thiazol-4-yl)methyl](methyl)amino]carbonyl}-L-valinamide
875435-42-0

N1-((1S,3S,4S)-1-benzyl-3-[(methylthio)methoxy]-5-phenyl-4-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}pentyl)-N2-{[[(2-isopropyl-1,3-thiazol-4-yl)methyl](methyl)amino]carbonyl}-L-valinamide

Conditions
ConditionsYield
With dibenzoyl peroxide In acetonitrile at 0 - 20℃; for 2.33333h;84%
With dibenzoyl peroxide In acetonitrile at 0 - 20℃; for 2.33333h;84%
4-((di-tert-butoxyphosphoryl)oxy)-3,3-dimethylbutanoic acid
875435-89-5

4-((di-tert-butoxyphosphoryl)oxy)-3,3-dimethylbutanoic acid

ritonavir
155213-67-5

ritonavir

(1S,3S)-3-[(N-{[[(2-isopropyl-1,3-thiazol-4-yl)methyl](methyl)amino]carbonyl}-L-valyl)amino]-4-phenyl-1-((1S)-2-phenyl-1-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}ethyl)butyl 4-[(di-tert-butoxyphosphoryl)oxy]-3,3-dimethylbutanoate

(1S,3S)-3-[(N-{[[(2-isopropyl-1,3-thiazol-4-yl)methyl](methyl)amino]carbonyl}-L-valyl)amino]-4-phenyl-1-((1S)-2-phenyl-1-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}ethyl)butyl 4-[(di-tert-butoxyphosphoryl)oxy]-3,3-dimethylbutanoate

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃; for 86h;81%
dibenzyl N,N-diethylphosphoramidite
67746-43-4

dibenzyl N,N-diethylphosphoramidite

ritonavir
155213-67-5

ritonavir

N1-((1S,3S,4S)-1-benzyl-3-{[bis(benzyloxy)phosphoryl]oxy}-5-phenyl-4-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}pentyl)-N2-{[[(2-isopropyl-1,3-thiazol-4-yl)methyl](methyl)amino]carbonyl}-L-valinamide
875435-73-7

N1-((1S,3S,4S)-1-benzyl-3-{[bis(benzyloxy)phosphoryl]oxy}-5-phenyl-4-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}pentyl)-N2-{[[(2-isopropyl-1,3-thiazol-4-yl)methyl](methyl)amino]carbonyl}-L-valinamide

Conditions
ConditionsYield
Stage #1: dibenzyl N,N-diethylphosphoramidite; ritonavir With 1H-tetrazole In tetrahydrofuran at 20℃; for 4h;
Stage #2: With 3-chloro-benzenecarboperoxoic acid In tetrahydrofuran; Dichlorodifluoromethane at -45 - 20℃; for 1h;
76%
diethyl sulphide
352-93-2

diethyl sulphide

ritonavir
155213-67-5

ritonavir

N1-((1S,3S,4S)-1-benzyl-3-[1-(ethylthio)ethoxy]-5-phenyl-4-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}pentyl)-N2-{[[(2-isopropyl-1,3-thiazol-4-yl)methyl](methyl)amino]carbonyl}-L-valinamide
875435-55-5

N1-((1S,3S,4S)-1-benzyl-3-[1-(ethylthio)ethoxy]-5-phenyl-4-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}pentyl)-N2-{[[(2-isopropyl-1,3-thiazol-4-yl)methyl](methyl)amino]carbonyl}-L-valinamide

Conditions
ConditionsYield
With dibenzoyl peroxide In acetonitrile at 0 - 20℃; for 2.33333h;75%
With dibenzoyl peroxide In acetonitrile at 0℃; for 3h;75%
diisobutyl sulfide
592-65-4

diisobutyl sulfide

ritonavir
155213-67-5

ritonavir

N1-((1S,3S,4S)-1-benzyl-3-[1-(isobutylthio)-2-methylpropoxy]-5-phenyl-4-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}pentyl)-N2-{[[(2-isopropyl-1,3-thiazol-4-yl)methyl](methyl)amino]carbonyl}-L-valinamide
875436-09-2

N1-((1S,3S,4S)-1-benzyl-3-[1-(isobutylthio)-2-methylpropoxy]-5-phenyl-4-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}pentyl)-N2-{[[(2-isopropyl-1,3-thiazol-4-yl)methyl](methyl)amino]carbonyl}-L-valinamide

Conditions
ConditionsYield
With dibenzoyl peroxide In acetonitrile at 0 - 20℃; for 2.33333h;75%
With dibenzoyl peroxide In acetonitrile at 0℃; for 1.5h;75%
tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

ritonavir
155213-67-5

ritonavir

C43H62N6O5S2Si

C43H62N6O5S2Si

Conditions
ConditionsYield
With dmap; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 16h;72%
5-Methyl-4-oxohexanoic acid
41654-04-0

5-Methyl-4-oxohexanoic acid

ritonavir
155213-67-5

ritonavir

5-methyl-4-oxohexanoyl-ritonavir ester

5-methyl-4-oxohexanoyl-ritonavir ester

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 5h;70.3%
Dibutyl sulfide
544-40-1

Dibutyl sulfide

ritonavir
155213-67-5

ritonavir

N1-((1S,3S,4S)-1-benzyl-3-[1-(butylthio)butoxy]-5-phenyl-4-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}pentyl)-N2-{[[(2-isopropyl-1,3-thiazol-4-yl)methyl](methyl)amino]carbonyl}-L-valinamide
875436-05-8

N1-((1S,3S,4S)-1-benzyl-3-[1-(butylthio)butoxy]-5-phenyl-4-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}pentyl)-N2-{[[(2-isopropyl-1,3-thiazol-4-yl)methyl](methyl)amino]carbonyl}-L-valinamide

Conditions
ConditionsYield
With dibenzoyl peroxide In acetonitrile at 0 - 20℃; for 2.33333h;68%
With dibenzoyl peroxide In acetonitrile at 0 - 20℃; for 7h;68%
1,1'-Thiocarbonyldiimidazole
6160-65-2

1,1'-Thiocarbonyldiimidazole

ritonavir
155213-67-5

ritonavir

C41H50N8O5S3
1004316-15-7

C41H50N8O5S3

Conditions
ConditionsYield
In 1,2-dichloro-ethane at 75℃; for 6h;
ritonavir
155213-67-5

ritonavir

C37H46N6O5S2

C37H46N6O5S2

Conditions
ConditionsYield
With Dess-Martin periodane In dichloromethane at 20℃; for 6h;
With Dess-Martin periodane
dibenzyl N,N-diethylphosphoramidite
67746-43-4

dibenzyl N,N-diethylphosphoramidite

ritonavir
155213-67-5

ritonavir

C51H61N6O7PS2

C51H61N6O7PS2

Conditions
ConditionsYield
With 1H-tetrazole In tetrahydrofuran at 20℃; for 4h;
ritonavir
155213-67-5

ritonavir

A

N-ritonavir

N-ritonavir

B

C30H39N5O5S

C30H39N5O5S

C

hydroxy ritonavir

hydroxy ritonavir

D

C36H46N6O5S2

C36H46N6O5S2

Conditions
ConditionsYield
With human CYP3A4; NADPH; NADPH-cytochrome P450 reductase In aq. phosphate buffer at 37℃; for 0.333333h; pH=7.7; Enzymatic reaction;
With cytochrome P450 monooxygenases from Actinosynnema mirum at 25℃; for 24h; pH=7.5; Reagent/catalyst; Enzymatic reaction;
ritonavir
155213-67-5

ritonavir

A

N-ritonavir

N-ritonavir

B

hydroxy ritonavir

hydroxy ritonavir

Conditions
ConditionsYield
With human CYP2B6; NADPH; NADPH-cytochrome P450 reductase In aq. phosphate buffer at 37℃; for 0.333333h; pH=7.7; Enzymatic reaction;
GLUTATHIONE
70-18-8

GLUTATHIONE

ritonavir
155213-67-5

ritonavir

C39H51N7O11S2

C39H51N7O11S2

Conditions
ConditionsYield
With human CYP3A4; NADPH; NADPH-cytochrome P450 reductase In aq. phosphate buffer at 37℃; for 0.333333h; pH=7.7; Enzymatic reaction;
ritonavir
155213-67-5

ritonavir

(2S,3S,5S)-5-(N-(N-((N-methyl-N-((2-isopropyl-4-thiazolyl)-methyl)amino)carbonyl)-L-valinyl)amino)-2-(N-((5-thiazolyl)-methoxy-carbonyl)-amino)-1,6-diphenyl-3-hydroxyhexane bis-hydrochloride

(2S,3S,5S)-5-(N-(N-((N-methyl-N-((2-isopropyl-4-thiazolyl)-methyl)amino)carbonyl)-L-valinyl)amino)-2-(N-((5-thiazolyl)-methoxy-carbonyl)-amino)-1,6-diphenyl-3-hydroxyhexane bis-hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In ethyl acetate Concentration; Temperature; Solvent; Inert atmosphere;
ritonavir
155213-67-5

ritonavir

C37H48N6O4S2

C37H48N6O4S2

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 75 °C
2: 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride / 115 °C
View Scheme
1,1'-Thiocarbonyldiimidazole
6160-65-2

1,1'-Thiocarbonyldiimidazole

ritonavir
155213-67-5

ritonavir

C40H50N8O4S2

C40H50N8O4S2

Conditions
ConditionsYield
at 75℃;
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