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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

High quality Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Golden Pharma Co., Limited

GOLDEN 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

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:1 Kilogram

Negotiable

Type:Other

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Dayang Chem (Hangzhou) Co.,Ltd.

As 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

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate Manufacturer/High quality/Best price/In stock

Cas:160844-75-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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 Ethyl 2-(3-Cyano-4-Isobutoxyphenyl)-4-Methyl-5-Thiazolecarboxylate supplier in China

Cas:160844-75-7

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages of Febuxostat Intermediate Cas 160844-75-7 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Appli

Manufacturer high quality Febuxostat Intermediate Cas 160844-75-7 with good price

Cas:160844-75-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Hangzhou Think Chemical Co. Ltd

HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exp

High purity Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate, Manufacuter

Cas:160844-75-7

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Other

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

Ethyl 2-(3-cyano-4-isobutoxyphenyl)- 4-Methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:1 Kilogram

Negotiable

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

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

ANQING CHICO PHARMACEUTICAL CO.,LTD.

High 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

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:0

Negotiable

Type:Trading Company

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Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carb

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Trading Company

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Chemwill Asia Co., Ltd.

CHemwill -- Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/628.html Product Name Ethyl 2-(3-cya

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:1 Gram

FOB Price: $6.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM-- 160844-75-7-- Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China

TIANFUCHEM-- 160844-75-7-- Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate in stock

Cas:160844-75-7

Min.Order:1 Metric Ton

FOB Price: $2000.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be

High Quality Febuxostat Ethyl Ester 160844-75-7 Pharmaceutical Raw Material APIFebuxostat Intermediate

Cas:160844-75-7

Min.Order:1 Gram

FOB Price: $1.0 / 2.0

Type:Trading Company

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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 160844-75-7 with competitive price

Cas:160844-75-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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 email in time prod

High Quality 160844-75-7 Factory Supply Best price

Cas:160844-75-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate CAS:160844-75-7

Cas:160844-75-7

Min.Order:1 Kilogram

FOB Price: $38.0 / 59.0

Type:Trading Company

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Hubei Langyou International Trading Co., Ltd

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 service is our philosophy.

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:10 Gram

FOB Price: $1500.0 / 2000.0

Type:Other

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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

5-Thiazolecarboxylicacid, 2-[3-cyano-4-(2-methylpropoxy)phenyl]-4-methyl-, ethyl ester 160844-75-7

Cas:160844-75-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate CAS: 160844-75-7 MF: C18H20N2O3S MW: 344.43 EINECS: 927-913-5 Mol File: 160844-75-7.mol Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarbox

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Beluga chemical professional supply Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate CAS 160844-75-7 Why choose Beluga chemical 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to en

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate CAS 160844-75-7

Cas:160844-75-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,

Ethyl 2-(3-Cyano-4-isobutoxyphenyl)-4- methyl - 5- thiazole carboxylate CAS NO.160844-75-7

Cas:160844-75-7

Min.Order:20 Metric Ton

Negotiable

Type:Trading Company

inquiry

Lonwin Chemical Group Limited

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate CAS: 160844-75-7 Specification Items Specification Product name Febuxostat Intermediate CAS# 1608

Factory supply Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:1 Kilogram

Negotiable

Type:Other

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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

5-Thiazolecarboxylicacid, 2-[3-cyano-4-(2-methylpropoxy)phenyl]-4-methyl-, ethyl ester

Cas:160844-75-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. 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

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

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

Ethyl 2-(3-Cyano-4-Isobutoxy Phenyl)-4-Methyl Thiazole-5-Carboxylate

Cas:160844-75-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

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 present

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methyl-5-thiazolecarboxylate

Cas:160844-75-7

Min.Order:1 Gram

FOB Price: $394.0

Type:Trading Company

inquiry

Synthetic route

5-bromo-2-isobutoxy-benzonitrile
876918-26-2

5-bromo-2-isobutoxy-benzonitrile

ethyl 4-methylthiazole-5-carboxylate
20582-55-2

ethyl 4-methylthiazole-5-carboxylate

A

C22H24N2O2
1240593-43-4

C22H24N2O2

B

diethyl 4,4-dimethyl-2,2-bithiazole-5,5-dicarboxylate
3944-31-8

diethyl 4,4-dimethyl-2,2-bithiazole-5,5-dicarboxylate

C

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
With di-tert-butyl(cyclohexyl)phosphine; potassium carbonate; palladium dichloride In 5,5-dimethyl-1,3-cyclohexadiene at 140℃; for 24h; Reagent/catalyst; Inert atmosphere;A n/a
B n/a
C 100%
With potassium carbonate; di-tert-butyl(cyclohexyl)phosphine; palladium diacetate In xylene at 120℃; for 5h; Product distribution / selectivity; Inert atmosphere;
2-(3-bromo-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
144060-96-8

2-(3-bromo-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

copper(l) cyanide

copper(l) cyanide

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
With copper(l) iodide In N,N-dimethyl-formamide at 130 - 140℃; for 16h;98.5%
Isobutyl bromide
78-77-3

Isobutyl bromide

ethyl-2-(3-cyano-4-hydroxy phenyl)-4-methyl thiozole-5-carboxylate
161798-02-3

ethyl-2-(3-cyano-4-hydroxy phenyl)-4-methyl thiozole-5-carboxylate

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In ethyl acetate at 65 - 70℃; for 5h; Temperature; Solvent; Reagent/catalyst;98.2%
With potassium carbonate In N,N-dimethyl-formamide at 75℃; for 8h;92.9%
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 90℃; for 3h;88%
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 90℃; for 3h;88%
With potassium carbonate In N,N-dimethyl-formamide at 75℃; for 15h;2.28 g
2-(3-formyl-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
161798-03-4

2-(3-formyl-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
With ammonium hydroxide; sodium persulfate; sodium iodide; iron(II) chloride In 1,2-dichloro-ethane at 20 - 50℃; for 16h; Reagent/catalyst; Solvent; Temperature;98%
With hydroxylamine hydrochloride; sodium formate In formic acid for 3h; Product distribution / selectivity; Reflux;96%
With formic acid; hydroxylamine hydrochloride; sodium formate at 100℃; for 7h;95.2%
5-bromo-2-isobutoxy-benzonitrile
876918-26-2

5-bromo-2-isobutoxy-benzonitrile

ethyl 4-methylthiazole-5-carboxylate
20582-55-2

ethyl 4-methylthiazole-5-carboxylate

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
With di-tert-butyl(cyclohexyl)phosphine; potassium hydrogencarbonate; isobutyric Acid; copper(I) bromide; palladium dichloride In toluene at 25℃; for 21h; Reagent/catalyst; Time; Inert atmosphere; Reflux;93%
With potassium carbonate; di-tert-butyl(cyclohexyl)phosphine; palladium diacetate In xylene at 20℃; for 24.5h; Product distribution / selectivity; Reflux;82%
With di-tert-butyl(cyclohexyl)phosphine; copper(I) bromide dimethylsulfide complex; potassium carbonate; isobutyric Acid; palladium dichloride In 5,5-dimethyl-1,3-cyclohexadiene at 140℃; for 24h; Inert atmosphere; Sealed tube;98.2 %Chromat.
ethyl 4-methylthiazole-5-carboxylate
20582-55-2

ethyl 4-methylthiazole-5-carboxylate

2-methyl-propan-1-ol
78-83-1

2-methyl-propan-1-ol

5-Bromo-2-fluoro-benzonitrile
179897-89-3

5-Bromo-2-fluoro-benzonitrile

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Stage #1: 2-methyl-propan-1-ol With potassium tert-butylate In toluene
Stage #2: 5-Bromo-2-fluoro-benzonitrile at 20℃; for 2h;
Stage #3: ethyl 4-methylthiazole-5-carboxylate With di-tert-butyl(cyclohexyl)phosphine; potassium hydrogencarbonate; isobutyric Acid; copper(I) bromide; palladium dichloride In toluene for 15h; Inert atmosphere; Reflux;
91%
chloroacetic acid ethyl ester
105-39-5

chloroacetic acid ethyl ester

3-cyanoisobutoxybenzothioamide
163597-57-7

3-cyanoisobutoxybenzothioamide

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
In ethanol at 100℃; for 2h;85%
Isobutyl bromide
78-77-3

Isobutyl bromide

ethyl 2‐(3‐formyl‐4‐hydroxyphenyl)‐4‐methylthiazole‐5‐carboxylate
161798-01-2

ethyl 2‐(3‐formyl‐4‐hydroxyphenyl)‐4‐methylthiazole‐5‐carboxylate

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Stage #1: ethyl 2‐(3‐formyl‐4‐hydroxyphenyl)‐4‐methylthiazole‐5‐carboxylate With hydroxylamine hydrochloride In dimethyl sulfoxide at 40℃; for 0.5h;
Stage #2: With acetyl chloride In dimethyl sulfoxide at 70 - 80℃;
Stage #3: Isobutyl bromide With potassium carbonate In dimethyl sulfoxide at 20 - 80℃;
84%
Stage #1: ethyl 2‐(3‐formyl‐4‐hydroxyphenyl)‐4‐methylthiazole‐5‐carboxylate With hydroxylamine hydrochloride In dimethyl sulfoxide for 0.5h;
Stage #2: With acetyl chloride In dimethyl sulfoxide at 70 - 80℃;
Stage #3: Isobutyl bromide With potassium carbonate In dimethyl sulfoxide at 70 - 80℃; for 5h;
84%
(2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester)
161797-99-5

(2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester)

Isobutyl bromide
78-77-3

Isobutyl bromide

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Stage #1: (2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester); Isobutyl bromide; N,N-dimethyl-formamide With potassium carbonate at 90 - 95℃;
Stage #2: With trichlorophosphate at 0 - 60℃; for 2h;
Stage #3: With ammonia; iodine at 10 - 20℃; for 2h; Temperature; Solvent;
83%
5-bromo-2-isobutoxy-benzonitrile
876918-26-2

5-bromo-2-isobutoxy-benzonitrile

2-boronic acid-4-methyl-1,3-thiazole-5-carboxylic acid ethyl ester

2-boronic acid-4-methyl-1,3-thiazole-5-carboxylic acid ethyl ester

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,4-dioxane; water at 80℃; for 12h; Reagent/catalyst; Temperature; Suzuki Coupling; Inert atmosphere; Green chemistry;79%
ethyl 2-bromo-4-methyl-1,3-thiazole-5-carboxylate
22900-83-0

ethyl 2-bromo-4-methyl-1,3-thiazole-5-carboxylate

5-iodo-2-isobutoxy-benzonitrile
1139901-87-3

5-iodo-2-isobutoxy-benzonitrile

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0) In N,N-dimethyl-formamide at 20℃; for 36h; Reagent/catalyst; Solvent;61%
ethyl 2-chloro-3-oxo-butyrate
609-15-4

ethyl 2-chloro-3-oxo-butyrate

3-cyanoisobutoxybenzothioamide
163597-57-7

3-cyanoisobutoxybenzothioamide

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
In ethanol at 100℃; for 2h;306 mg
In toluene Product distribution / selectivity; Reflux;
In ethyl acetate; N,N-dimethyl-formamide at 80 - 85℃; for 22h;
In ethanol for 5h; Reflux;
4-isobutoxyisophthalonitrile
161718-81-6

4-isobutoxyisophthalonitrile

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 85 percent / thioacetamide, HCl / dimethylformamide / 40 h / 45 °C
2: 306 mg / ethanol / 2 h / 100 °C
View Scheme
Multi-step reaction with 2 steps
1: hydrogenchloride; thioacetamide / isopropyl alcohol / 14 h / 40 - 45 °C
2: ethyl acetate; N,N-dimethyl-formamide / 22 h / 80 - 85 °C
View Scheme
4-nitrobenzonitrile
619-72-7

4-nitrobenzonitrile

methylmagnesium halide

methylmagnesium halide

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 2.) K2CO3 / 1.) DMSO, 100 deg C, 1 h, 2.) 6 h; 70 deg C
2: 85 percent / thioacetamide, HCl / dimethylformamide / 40 h / 45 °C
3: 306 mg / ethanol / 2 h / 100 °C
View Scheme
2-(3-bromo-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
144060-96-8

2-(3-bromo-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

potassium ferrocyanide trihydrate

potassium ferrocyanide trihydrate

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
With sodium carbonate; palladium diacetate In 1-methyl-pyrrolidin-2-one at 145℃; for 48h; Inert atmosphere;
ethyl 2‐(3‐formyl‐4‐hydroxyphenyl)‐4‐methylthiazole‐5‐carboxylate
161798-01-2

ethyl 2‐(3‐formyl‐4‐hydroxyphenyl)‐4‐methylthiazole‐5‐carboxylate

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 4 h / 70 °C
2: hydroxylamine hydrochloride; sodium formate / formic acid / 3 h / Reflux
View Scheme
Multi-step reaction with 2 steps
1.1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 0.5 h / 70 - 75 °C
1.2: 5 h
2.1: hydroxylamine hydrochloride; sodium formate; formic acid / 100 °C
View Scheme
Multi-step reaction with 2 steps
1: hydroxylamine hydrochloride; sodium formate; formic acid / 8 h / 100 °C
2: potassium carbonate / N,N-dimethyl-formamide / 8 h / 75 °C
View Scheme
ethyl 2-chloro-3-oxo-butyrate
609-15-4

ethyl 2-chloro-3-oxo-butyrate

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: ethanol / 0.25 h / 70 °C
2: copper(ll) bromide; tert.-butylnitrite / acetonitrile / 1 h / 60 °C
3: sodium carbonate / tetrakis(triphenylphosphine) palladium(0) / toluene; water / 1 h / 70 - 75 °C
View Scheme
Multi-step reaction with 4 steps
1: spirit / 2.5 h / 60 - 65 °C
2: methanesulfonic acid / 10 h / 75 °C
3: hydroxylamine hydrochloride; sodium formate; formic acid / 8 h / 100 °C
4: potassium carbonate / N,N-dimethyl-formamide / 8 h / 75 °C
View Scheme
Multi-step reaction with 4 steps
1.1: isopropyl alcohol / 25 - 85 °C
2.1: trifluoroacetic acid / 24 h / 80 °C
2.2: 0.17 h
3.1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 5.08 h / 25 - 85 °C
4.1: sodium formate; formic acid; hydroxylamine / 2.17 h / 25 - 100 °C
View Scheme
5-bromosalicyclaldehyde
1761-61-1

5-bromosalicyclaldehyde

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: potassium carbonate / N,N-dimethyl-formamide / 2 h / 75 - 80 °C
2.1: hydroxylamine hydrochloride; sodium formate / formic acid / 7 h / 99 - 100 °C
3.1: n-butyllithium / hexane; tetrahydrofuran / 3 h / -45 - -40 °C
3.2: -20 °C
4.1: sodium carbonate / tetrakis(triphenylphosphine) palladium(0) / toluene; water / 1 h / 70 - 75 °C
View Scheme
(3-cyano-4-isobutoxyphenyl)boronic acid
876918-32-0

(3-cyano-4-isobutoxyphenyl)boronic acid

ethyl 2-bromo-4-methyl-1,3-thiazole-5-carboxylate
22900-83-0

ethyl 2-bromo-4-methyl-1,3-thiazole-5-carboxylate

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In water; toluene at 70 - 75℃; for 1h;
ethyl-2-amino-4-methylthiazole-5-carboxylate
7210-76-6

ethyl-2-amino-4-methylthiazole-5-carboxylate

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: copper(ll) bromide; tert.-butylnitrite / acetonitrile / 1 h / 60 °C
2: sodium carbonate / tetrakis(triphenylphosphine) palladium(0) / toluene; water / 1 h / 70 - 75 °C
View Scheme
5-bromo-2-isobutoxybenzaldehyde
222315-01-7

5-bromo-2-isobutoxybenzaldehyde

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: hydroxylamine hydrochloride; sodium formate / formic acid / 7 h / 99 - 100 °C
2.1: n-butyllithium / hexane; tetrahydrofuran / 3 h / -45 - -40 °C
2.2: -20 °C
3.1: sodium carbonate / tetrakis(triphenylphosphine) palladium(0) / toluene; water / 1 h / 70 - 75 °C
View Scheme
5-bromo-2-isobutoxy-benzonitrile
876918-26-2

5-bromo-2-isobutoxy-benzonitrile

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: n-butyllithium / hexane; tetrahydrofuran / 3 h / -45 - -40 °C
1.2: -20 °C
2.1: sodium carbonate / tetrakis(triphenylphosphine) palladium(0) / toluene; water / 1 h / 70 - 75 °C
View Scheme
4-cyanophenol
767-00-0

4-cyanophenol

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: N-Bromosuccinimide; trifluorormethanesulfonic acid / acetonitrile / -15 - 30 °C
2: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 12 h / 70 - 75 °C
3: sodium carbonate / palladium diacetate / N,N-dimethyl-formamide / 18 h / 140 - 145 °C
4: hydrogenchloride; thioacetamide / isopropyl alcohol / 14 h / 40 - 45 °C
5: ethyl acetate; N,N-dimethyl-formamide / 22 h / 80 - 85 °C
View Scheme
Multi-step reaction with 7 steps
1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 6 h / 80 °C
2: aluminum (III) chloride / nitromethane / 5.5 h / 0 - 5 °C
3: iron(III) sulfate; water / toluene / 0.7 h / 110 °C
4: tetrabutylammomium bromide; sodium hypochlorite / ethyl acetate; water / 0 - 5 °C
5: sodium hydrogen sulfide; magnesium(II) chloride hexahydrate / N,N-dimethyl-formamide / 4 h / 80 °C
6: N,N-dimethyl-formamide / 4 h / 60 °C
7: hydroxylamine hydrochloride; sodium formate; formic acid / 4.17 h / 25 - 100 °C
View Scheme
Multi-step reaction with 7 steps
1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 6 h / 80 °C
2: aluminum (III) chloride / nitromethane / 5.5 h / 0 °C
3: iron(III) sulfate; water / toluene / 0.7 h / 110 °C
4: tetrabutylammomium bromide; sodium hypochlorite / ethyl acetate; water / 0 - 5 °C
5: sodium hydrogen sulfide; magnesium(II) chloride hexahydrate / N,N-dimethyl-formamide / 4 h / 80 °C
6: N,N-dimethyl-formamide / 4 h / 60 °C
7: hydroxylamine hydrochloride; sodium formate; formic acid / 4.17 h / 25 - 100 °C
View Scheme
2,4-dibromophenol
615-58-7

2,4-dibromophenol

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: palladium diacetate / dimethyl sulfoxide / 4 h / 40 - 45 °C
2: potassium carbonate; potassium iodide / dimethyl sulfoxide / 16 h / 70 - 75 °C
3: hydrogenchloride; thioacetamide / isopropyl alcohol / 14 h / 40 - 45 °C
4: ethyl acetate; N,N-dimethyl-formamide / 22 h / 80 - 85 °C
View Scheme
Multi-step reaction with 4 steps
1: sodium carbonate / palladium diacetate / N,N-dimethyl-formamide / 18 h / 140 - 145 °C
2: potassium carbonate; potassium iodide / dimethyl sulfoxide / 16 h / 70 - 75 °C
3: hydrogenchloride; thioacetamide / isopropyl alcohol / 14 h / 40 - 45 °C
4: ethyl acetate; N,N-dimethyl-formamide / 22 h / 80 - 85 °C
View Scheme
3-bromo-4-hydroxybenzonitrile
2315-86-8

3-bromo-4-hydroxybenzonitrile

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 12 h / 70 - 75 °C
2: sodium carbonate / palladium diacetate / N,N-dimethyl-formamide / 18 h / 140 - 145 °C
3: hydrogenchloride; thioacetamide / isopropyl alcohol / 14 h / 40 - 45 °C
4: ethyl acetate; N,N-dimethyl-formamide / 22 h / 80 - 85 °C
View Scheme
Multi-step reaction with 4 steps
1.1: hydrogenchloride / isopropyl alcohol / 0.25 h
1.2: 2 h / 50 - 55 °C
2.1: isopropyl alcohol / 5 h / 80 - 85 °C
3.1: potassium carbonate / N,N-dimethyl-formamide / 5 h / 80 - 85 °C
4.1: copper(l) iodide / N,N-dimethyl-formamide / 16 h / 130 - 140 °C
View Scheme
4-hydroxy-isophthalonitrile
34133-58-9

4-hydroxy-isophthalonitrile

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: potassium carbonate; potassium iodide / dimethyl sulfoxide / 16 h / 70 - 75 °C
2: hydrogenchloride; thioacetamide / isopropyl alcohol / 14 h / 40 - 45 °C
3: ethyl acetate; N,N-dimethyl-formamide / 22 h / 80 - 85 °C
View Scheme
3-bromo-4-isobutoxybenzonitrile
208665-95-6

3-bromo-4-isobutoxybenzonitrile

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium carbonate / palladium diacetate / N,N-dimethyl-formamide / 18 h / 140 - 145 °C
2: hydrogenchloride; thioacetamide / isopropyl alcohol / 14 h / 40 - 45 °C
3: ethyl acetate; N,N-dimethyl-formamide / 22 h / 80 - 85 °C
View Scheme
5-Bromo-2-fluoro-benzonitrile
179897-89-3

5-Bromo-2-fluoro-benzonitrile

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0 - 20 °C
1.2: 15 h / 0 - 20 °C
2.1: potassium carbonate / palladium diacetate; di-tert-butyl(cyclohexyl)phosphine / xylene / 24.5 h / 20 °C / Reflux
View Scheme
Multi-step reaction with 2 steps
1.1: sodium hydride / tetrahydrofuran; mineral oil / 4 h / 0 °C
1.2: 21 h / 0 - 20 °C
2.1: palladium dichloride; isobutyric Acid; di-tert-butyl(cyclohexyl)phosphine; potassium carbonate / 5,5-dimethyl-1,3-cyclohexadiene / 8 h / Reflux; Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1.1: sodium hydride / tetrahydrofuran; mineral oil / 4 h / 0 °C
1.2: 21 h / 0 - 20 °C
2.1: palladium dichloride; isobutyric Acid; copper(I) bromide dimethylsulfide complex; di-tert-butyl(cyclohexyl)phosphine; potassium carbonate / 5,5-dimethyl-1,3-cyclohexadiene / 24 h / 140 °C / Inert atmosphere; Sealed tube
View Scheme
5-Bromo-2-fluoro-benzonitrile
179897-89-3

5-Bromo-2-fluoro-benzonitrile

A

C22H24N2O2
1240593-43-4

C22H24N2O2

B

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0 - 20 °C
1.2: 15 h / 0 - 20 °C
2.1: potassium carbonate / palladium diacetate; di-tert-butyl(cyclohexyl)phosphine / xylene / 5 h / 120 °C / Inert atmosphere
View Scheme
(2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester)
161797-99-5

(2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester)

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: methanesulfonic acid / 10 h / 75 °C
2: hydroxylamine hydrochloride; sodium formate; formic acid / 8 h / 100 °C
3: potassium carbonate / N,N-dimethyl-formamide / 8 h / 75 °C
View Scheme
Multi-step reaction with 3 steps
1: trifluoroacetic acid / 40 h / Reflux
2: potassium carbonate; N,N-dimethyl-formamide / 4 h / 87 - 93 °C
3: hydroxylamine hydrochloride; sodium formate; formic acid / 5 h / Reflux
View Scheme
Multi-step reaction with 3 steps
1.1: trifluoroacetic acid / 24 h / 80 °C
1.2: 0.17 h
2.1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 5.08 h / 25 - 85 °C
3.1: sodium formate; formic acid; hydroxylamine / 2.17 h / 25 - 100 °C
View Scheme
2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

2-[3-cyano-4-(2-methylpropoxy)phenyl]-4-methyl-1,3-thiazole-5-carbohydrazide

2-[3-cyano-4-(2-methylpropoxy)phenyl]-4-methyl-1,3-thiazole-5-carbohydrazide

Conditions
ConditionsYield
With hydrazine hydrate In ethanol for 5h; Reflux;99%
2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

febuxostat

febuxostat

Conditions
ConditionsYield
With water; sodium hydroxide In tetrahydrofuran; ethanol at 40℃; for 5h;98%
With methanol; sodium hydroxide In tetrahydrofuran at 20℃; for 5h; Green chemistry;96%
Stage #1: 2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester With water; sodium hydroxide In methanol at 45 - 60℃; for 1h;
Stage #2: With hydrogenchloride In methanol pH=2; Product distribution / selectivity;
95.8%
2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

febuxostat sodium
1140907-13-6

febuxostat sodium

Conditions
ConditionsYield
With sodium hydroxide In water; isopropyl alcohol at 35 - 75℃; for 0.5h; Concentration; Temperature; Time;79%
2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

ethyl 4-methyl-2-(4-(2-methylpropyloxy)-3-cyanophenyl)-5-thiazolecarboxylate hydrochloride

ethyl 4-methyl-2-(4-(2-methylpropyloxy)-3-cyanophenyl)-5-thiazolecarboxylate hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In acetone at 30 - 50℃; for 0.75h;61.5%
(3-cyano-4-isobutoxyphenyl)boronic acid
876918-32-0

(3-cyano-4-isobutoxyphenyl)boronic acid

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

febuxostat

febuxostat

Conditions
ConditionsYield
Stage #1: (3-cyano-4-isobutoxyphenyl)boronic acid; 2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In water; toluene at 70 - 75℃; for 1h;
Stage #2: With sodium hydroxide In tetrahydrofuran for 5h; Inert atmosphere; Reflux;
Stage #3: With hydrogenchloride In water
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