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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Urocanic acid

Cas:104-98-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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

Large Stock 99.0% 3-imidazol-4-ylacrylic acid 104-98-3 Producer

Cas:104-98-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality Urocanic acid

Cas:104-98-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

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

Urocanic acid

Cas:104-98-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

High quality and best price of 2-Propenoic acid,3-(1H-imidazol-5-yl)- from Henan Tianfu Chemical: Henan Tianfu Chemical Co.,LTD was built in 2009 with an ISO certificate in the past 5 years, we have grown up as a famous fine chemicals supplier in

Urocanic acid

Cas:104-98-3

Min.Order:1 Kilogram

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

Urocanic acid

Cas:104-98-3

Min.Order:1 Gram

FOB Price: $1.0 / 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

Pharmaceutical Grade CAS 104-98-3 with competitive price

Cas:104-98-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:White to beige powder Storage:Keep in dark place,Sealed in dry,2-8°C Package:25kg/drum Application:chemicals Transportation:Express/Sea/Air Port:any port in china

Urocanic acid factory price

Cas:104-98-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

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

2-Propenoic acid,3-(1H-imidazol-5-yl)- 104-98-3

Cas:104-98-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:white powder/ Refer to COA Storage:Refer to COA

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

Urocanic acid 99%

Cas:104-98-3

Min.Order:1 Kilogram

FOB Price: $58.0 / 65.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Urocanic acid CAS:104-98-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates

Urocanic acid CAS:104-98-3

Cas:104-98-3

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

2-Propenoic acid,3-(1H-imidazol-5-yl)-

Cas:104-98-3

Min.Order:1 Kilogram

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

2-Propenoic acid,3-(1H-imidazol-5-yl)-

Cas:104-98-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

urocanic-(urocanic)--acid cas no.104-98-3 0.98

Cas:104-98-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

Urocanic acid

Cas:104-98-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

UROCANIC ACID

Cas:104-98-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

Urocanic acid

Cas:104-98-3

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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

3-(4-imidazolyl)acrylic acid

Cas:104-98-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

Urocanic acid/High quality/Best price

Cas:104-98-3

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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

Imidazole-4-acrylic acid

Cas:104-98-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu

4-Imidazoleacrylic acid

Cas:104-98-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Greenutra Resource Inc

3-imidazol-4-ylacrylic acidAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air

3-imidazol-4-ylacrylic acid

Cas:104-98-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

3-imidazol-4-ylacrylic acid

Cas:104-98-3

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

Urocanic acid

Cas:104-98-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec Urocanic acid U71000 20mg

Cas:104-98-3

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

UROCANIC ACID(RG)

Cas:104-98-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xi`an Eastling Biotech Co., Ltd.

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou

Urocanic acid

Cas:104-98-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

Urocanic acid

Cas:104-98-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

Urocanic acid

Cas:104-98-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

L-histidine
71-00-1

L-histidine

urocanic acid
104-98-3

urocanic acid

Conditions
ConditionsYield
With histidase EC 4.3.1.3; Tris buffer In water at 37℃; for 24h; pH=9.0;
With histidase Enzymatic reaction;
urocanic acid
104-98-3

urocanic acid

4-(3-hydroxypropyl)-1H-imidazole
49549-75-9

4-(3-hydroxypropyl)-1H-imidazole

Conditions
ConditionsYield
With lithium aluminium tetrahydride100%
methanol
67-56-1

methanol

urocanic acid
104-98-3

urocanic acid

methyl 3-(imidazol-4(5)-yl)-2-propenoate
160073-02-9, 52363-40-3

methyl 3-(imidazol-4(5)-yl)-2-propenoate

Conditions
ConditionsYield
With thionyl chloride98%
With hydrogenchloride Reflux;94%
With sulfuric acid; magnesium sulfate Fischer esterification; Reflux;93%
methanol
67-56-1

methanol

urocanic acid
104-98-3

urocanic acid

3-(1H-imidazol-4-yl)propionic acid methyl ester hydrochloride
53958-94-4

3-(1H-imidazol-4-yl)propionic acid methyl ester hydrochloride

Conditions
ConditionsYield
Stage #1: urocanic acid With hydrogenchloride; palladium 10% on activated carbon; hydrogen In methanol; water at 45℃; under 760.051 Torr; for 96h; Large scale;
Stage #2: methanol With hydrogenchloride at 45℃; Large scale;
98%
urocanic acid
104-98-3

urocanic acid

4(5)-vinyl imidazole
3718-04-5

4(5)-vinyl imidazole

Conditions
ConditionsYield
at 250℃;93%
at 110℃;71%
at 240℃; under 0.0165017 Torr; for 6h;66%
methanol
67-56-1

methanol

urocanic acid
104-98-3

urocanic acid

methyl 3-[1H-imidazol-4-yl]propenoate hydrochloride salt
52838-22-9

methyl 3-[1H-imidazol-4-yl]propenoate hydrochloride salt

Conditions
ConditionsYield
With hydrogenchloride at 0℃; for 2h;87%
N-BOC-1,2-diaminoethane
57260-73-8

N-BOC-1,2-diaminoethane

urocanic acid
104-98-3

urocanic acid

4-((N-(N-tert-butoxycarbonyl-2-aminoethyl)-3-amino-3-oxo)prop-1-enyl)-1H-imidazole

4-((N-(N-tert-butoxycarbonyl-2-aminoethyl)-3-amino-3-oxo)prop-1-enyl)-1H-imidazole

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃;86%
ethanol
64-17-5

ethanol

urocanic acid
104-98-3

urocanic acid

ethyl 3-(imidazol-4'-yl)-propanoate
52237-38-4

ethyl 3-(imidazol-4'-yl)-propanoate

Conditions
ConditionsYield
Stage #1: urocanic acid With palladium on activated charcoal; hydrogen In methanol at 25℃;
Stage #2: ethanol With sulfuric acid In methanol Reflux; Inert atmosphere;
82%
Stage #1: urocanic acid With palladium on activated charcoal; hydrogen In methanol at 25℃;
Stage #2: ethanol With sulfuric acid Reflux; Inert atmosphere;
82%
methanol
67-56-1

methanol

urocanic acid
104-98-3

urocanic acid

(E)-methyl 3-(1H-imidazol-4-yl)acrylate
70346-51-9

(E)-methyl 3-(1H-imidazol-4-yl)acrylate

Conditions
ConditionsYield
Stage #1: methanol; urocanic acid With thionyl chloride for 16h; Reflux;
Stage #2: With sodium carbonate In water; ethyl acetate
81%
2,4-Dinitrofluorobenzene
70-34-8

2,4-Dinitrofluorobenzene

urocanic acid
104-98-3

urocanic acid

3-[1-(2,4-dinitrophenyl)-1H-imidazol-4-yl]propenoic acid
507444-19-1

3-[1-(2,4-dinitrophenyl)-1H-imidazol-4-yl]propenoic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In methanol; water at 20℃; for 16h; Substitution;76%
bis(tri-n-butyltin)oxide
56-35-9

bis(tri-n-butyltin)oxide

urocanic acid
104-98-3

urocanic acid

C6H5N2O2(1-)*3C5H11(1-)*Sn(4+)

C6H5N2O2(1-)*3C5H11(1-)*Sn(4+)

Conditions
ConditionsYield
In ethanol; toluene for 24h; Reflux; Dean-Stark;75%
2,2,2-trifluoroethanol
75-89-8

2,2,2-trifluoroethanol

urocanic acid
104-98-3

urocanic acid

2,2,2-trifluoroethyl (E)-3-(1H-imidazol-4-yl)acrylate

2,2,2-trifluoroethyl (E)-3-(1H-imidazol-4-yl)acrylate

Conditions
ConditionsYield
Stage #1: urocanic acid With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 0.0833333h;
Stage #2: 2,2,2-trifluoroethanol In dichloromethane at 20℃; for 18h;
64%
urocanic acid
104-98-3

urocanic acid

benzene
71-43-2

benzene

3-(1H-imidazole-4-yl)-1-indanone

3-(1H-imidazole-4-yl)-1-indanone

Conditions
ConditionsYield
With trifluorormethanesulfonic acid at 80℃; for 18h; Sealed tube; Inert atmosphere;64%
triphenyltin(IV) hydroxide
76-87-9

triphenyltin(IV) hydroxide

urocanic acid
104-98-3

urocanic acid

C6H5N2O2(1-)*Sn(4+)*3C6H5(1-)

C6H5N2O2(1-)*Sn(4+)*3C6H5(1-)

Conditions
ConditionsYield
In ethanol; toluene for 24h; Reflux; Dean-Stark;60%
water
7732-18-5

water

zinc(II) chloride
7646-85-7

zinc(II) chloride

urocanic acid
104-98-3

urocanic acid

zinc(II) urocanate hydrate

zinc(II) urocanate hydrate

Conditions
ConditionsYield
In ethanol; water High Pressure; equimol., heated at 433 K for 72 h; slowly cooled to room temp. (72 h), crysts. collected; elem. anal.;48%
5'-O-dimethoxytrityl-2'-amino-2'-deoxyuridine
174221-86-4

5'-O-dimethoxytrityl-2'-amino-2'-deoxyuridine

urocanic acid
104-98-3

urocanic acid

2'-[3-(imidazol-4-yl)acryloyl]-amido-5'-O-(4,4'-dimethoxytrityl)-2'-deoxyuridine

2'-[3-(imidazol-4-yl)acryloyl]-amido-5'-O-(4,4'-dimethoxytrityl)-2'-deoxyuridine

Conditions
ConditionsYield
Stage #1: urocanic acid With 1-hydroxy-pyrrolidine-2,5-dione; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃;
Stage #2: 5'-O-dimethoxytrityl-2'-amino-2'-deoxyuridine In N,N-dimethyl-formamide at 20℃; Further stages.;
45%
benzyl 4-hydroxybutanoate
91970-62-6

benzyl 4-hydroxybutanoate

urocanic acid
104-98-3

urocanic acid

C17H18N2O4

C17H18N2O4

Conditions
ConditionsYield
With di-isopropyl azodicarboxylate; triphenylphosphine In N,N-dimethyl-formamide at -5 - 20℃; for 12h;45%
iodoacetone
3019-04-3

iodoacetone

urocanic acid
104-98-3

urocanic acid

5-[(E)-2-carboxyethenyl]-3-(2-oxopropyl)-1H-imidazol-3-ium triiodide

5-[(E)-2-carboxyethenyl]-3-(2-oxopropyl)-1H-imidazol-3-ium triiodide

Conditions
ConditionsYield
With iodine In neat (no solvent) at 20 - 23℃; for 8h;25%
copper(ll) sulfate pentahydrate

copper(ll) sulfate pentahydrate

urocanic acid
104-98-3

urocanic acid

Cu4(5-imidazoleacrylate)6(SO4)*H2O

Cu4(5-imidazoleacrylate)6(SO4)*H2O

Conditions
ConditionsYield
In methanol; water High Pressure; stoich., ligand in CH3OH mixed dropwise with soln. of Cu salt in h2O, heated in an autoclave at 90°C for 3 d; isolated, elem. anal.;11%
N1-(2-aminoethyl)-N2-(7-chloroquinolin-4-yl)-N1-methylethane-1,2-diamine
947699-91-4

N1-(2-aminoethyl)-N2-(7-chloroquinolin-4-yl)-N1-methylethane-1,2-diamine

urocanic acid
104-98-3

urocanic acid

C20H23ClN6O

C20H23ClN6O

Conditions
ConditionsYield
Stage #1: urocanic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide for 2h; Inert atmosphere;
Stage #2: N1-(2-aminoethyl)-N2-(7-chloroquinolin-4-yl)-N1-methylethane-1,2-diamine In N,N-dimethyl-formamide for 21h; Inert atmosphere;
8%
ethanol
64-17-5

ethanol

chloroformic acid ethyl ester
541-41-3

chloroformic acid ethyl ester

urocanic acid
104-98-3

urocanic acid

4-(2-ethoxycarbonyl-vinyl)-imidazole-1-carboxylic acid ethyl ester

4-(2-ethoxycarbonyl-vinyl)-imidazole-1-carboxylic acid ethyl ester

Conditions
ConditionsYield
With pyridine In water for 0.0833333h;
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

urocanic acid
104-98-3

urocanic acid

3-(1-tert-butoxycarbonyl-imidazol-4-yl)-acrylic acid
1006066-10-9

3-(1-tert-butoxycarbonyl-imidazol-4-yl)-acrylic acid

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃;
urocanic acid
104-98-3

urocanic acid

C26H22N2O2
112606-55-0

C26H22N2O2

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 98 percent / SOCl2
2: Et3N / dimethylformamide
View Scheme
Multi-step reaction with 2 steps
1: sulfuric acid; magnesium sulfate / Reflux
2: triethylamine / N,N-dimethyl-formamide
View Scheme
urocanic acid
104-98-3

urocanic acid

4-chloroallyl-1-tritylimidazole
226930-86-5

4-chloroallyl-1-tritylimidazole

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 98 percent / SOCl2
2: Et3N / dimethylformamide
3: 75 percent / LiAlH4 / tetrahydrofuran
4: 75 percent / SOCl2 / tetrahydrofuran / 1 h
View Scheme
urocanic acid
104-98-3

urocanic acid

C44H38N4O3
500782-79-6

C44H38N4O3

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 98 percent / SOCl2
2: Et3N / dimethylformamide
3: 75 percent / LiAlH4 / tetrahydrofuran
4: 75 percent / SOCl2 / tetrahydrofuran / 1 h
5: 21 percent / NaH / tetrahydrofuran / 2 h / 60 °C
View Scheme
urocanic acid
104-98-3

urocanic acid

C36H36N4O
500782-80-9

C36H36N4O

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 98 percent / SOCl2
2: Et3N / dimethylformamide
3: 75 percent / LiAlH4 / tetrahydrofuran
4: 75 percent / SOCl2 / tetrahydrofuran / 1 h
5: 21 percent / NaH / tetrahydrofuran / 2 h / 60 °C
6: 99 percent / H2 / Pd/C / methanol; ethyl acetate / atmospheric pressure
View Scheme
urocanic acid
104-98-3

urocanic acid

C44H49N5O4
500782-81-0

C44H49N5O4

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 98 percent / SOCl2
2: Et3N / dimethylformamide
3: 75 percent / LiAlH4 / tetrahydrofuran
4: 75 percent / SOCl2 / tetrahydrofuran / 1 h
5: 21 percent / NaH / tetrahydrofuran / 2 h / 60 °C
6: 99 percent / H2 / Pd/C / methanol; ethyl acetate / atmospheric pressure
7: 85 percent / CH2Cl2 / 5 h / 0 - 20 °C
View Scheme
urocanic acid
104-98-3

urocanic acid

C25H35N5O4
501010-03-3

C25H35N5O4

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1: 98 percent / SOCl2
2: Et3N / dimethylformamide
3: 75 percent / LiAlH4 / tetrahydrofuran
4: 75 percent / SOCl2 / tetrahydrofuran / 1 h
5: 21 percent / NaH / tetrahydrofuran / 2 h / 60 °C
6: 99 percent / H2 / Pd/C / methanol; ethyl acetate / atmospheric pressure
7: 85 percent / CH2Cl2 / 5 h / 0 - 20 °C
8: 90 percent / TFA; triethylsilane / CH2Cl2 / 1 h / 20 °C
View Scheme
urocanic acid
104-98-3

urocanic acid

C24H33N5O4

C24H33N5O4

Conditions
ConditionsYield
Multi-step reaction with 9 steps
1: 98 percent / SOCl2
2: Et3N / dimethylformamide
3: 75 percent / LiAlH4 / tetrahydrofuran
4: 75 percent / SOCl2 / tetrahydrofuran / 1 h
5: 21 percent / NaH / tetrahydrofuran / 2 h / 60 °C
6: 99 percent / H2 / Pd/C / methanol; ethyl acetate / atmospheric pressure
7: 85 percent / CH2Cl2 / 5 h / 0 - 20 °C
8: 90 percent / TFA; triethylsilane / CH2Cl2 / 1 h / 20 °C
9: 85 percent / aq. NaOH / methanol / 1 h / 20 °C
View Scheme

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