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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 2,4-Diaminophenol Dihydrochloride

Cas:137-09-7

Min.Order:1

Negotiable

Type:Other

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

Factory price Cosmetic 2,4-DIAMINOPHENOL HCl 137-09-7 Manufacturer

Cas:137-09-7

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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 2,4-Diaminophenol dihydrochloride

Cas:137-09-7

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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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

2,4-Diaminophenol dihydrochloride

Cas:137-09-7

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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

Amidol

Cas:137-09-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

2,4-Diaminophenol dihydrochloride Basic information Product Name: 2,4-Diaminophenol dihydrochloride Synonyms: 2,4-diamino-phenodihydrochloride;2,4-Diaminophenoldihy

2,4-Diaminophenol dihydrochloride

Cas:137-09-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

2,4-Diaminophenol dihydrochloride 137-09-7

Cas:137-09-7

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

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

Manufacturer supply CAS 137-09-7 with best quality

Cas:137-09-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

2,4-Diaminophenol dihydrochloride , CAS 137-09-7

Cas:137-09-7

Min.Order:10 Kilogram

FOB Price: $11.0 / 15.0

Type:Trading Company

inquiry

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 We can also provide MT1 peptide powd

2,4-Diaminophenol dihydrochloride

Cas:137-09-7

Min.Order:1 Kilogram

FOB Price: $100.0 / 120.0

Type:Trading Company

inquiry

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 car

2,4-Diaminophenol dihydrochloride

Cas:137-09-7

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

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

Phenol, 2,4-diamino-,hydrochloride (1:2) 137-09-7

Cas:137-09-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2,4-Diaminophenol dihydrochloride CAS:137-09-7 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 o

2,4-Diaminophenol dihydrochloride CAS:137-09-7

Cas:137-09-7

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

Phenol, 2,4-diamino-,hydrochloride (1:2)

Cas:137-09-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

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,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,

2,4-Diaminophenol dihydrochloride CAS NO.137-09-7

Cas:137-09-7

Min.Order:10 Gram

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

Phenol, 2,4-diamino-,hydrochloride (1:2)

Cas:137-09-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Hangzhou Yunuo Chemical Co., Ltd is located in Hangzhou city China. As a global supplier in the chemical industry, Yunuochem is to create added value for customers around the world. Sticking to such business idea of "Good faith wins the business

2,4-diaminophenol dihydrochloride

Cas:137-09-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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

2,4-diaminophenol dihydrochloride

Cas:137-09-7

Min.Order:0

Negotiable

Type:Manufacturers

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

2,4-Diaminophenol dihydrochloride

Cas:137-09-7

Min.Order:0 Metric Ton

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

2,4-Diaminophenol dihydrochloride

Cas:137-09-7

Min.Order:0

Negotiable

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

High quality 2,4-Diaminophenol Dihydrochloride

Cas:137-09-7

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

2,4-Diaminophenol dihydrochloride , CAS 137-09-7

Cas:137-09-7

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

2,4-Diaminophenol dihydrochloride , CAS 137-09-7

Cas:137-09-7

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: 2,4-Diaminophenol HCL CAS No.: 137-09-7 Molecule Formula:C6H9ClN2O Molecule Weight:160.60 Purity: 99.0% Package: 25kg/drum Description:Off-white crystalline powder Manufacture Standards:Enterprise Standard

Lower Price 2,4-Diaminophenol HCL

Cas:137-09-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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

2,4-Diaminophenol Dihydrochloride

Cas:137-09-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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

2,4-Diaminophenol dihydrochloride , CAS 137-09-7

Cas:137-09-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

Hot Sales 2,4-Diaminophenol 2HCL CAS NO.137-09-7 CAS NO.137-09-7

Cas:137-09-7

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

2,4-Diaminophenol 2HCl

Cas:137-09-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

SAGECHEM/2,4-Diaminophenol dihydrochloride/SAGECHEM/Manufacturer in China

Cas:137-09-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

2,4-Diaminophenol dihydrochloride , CAS 137-09-7

Cas:137-09-7

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Synthetic route

2,4-Dinitrophenol
51-28-5

2,4-Dinitrophenol

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

Conditions
ConditionsYield
With hydrogenchloride91.5%
With hydrogenchloride; tin faellt aus der filtrieren Fluessigkeit durch konz.Salzsaeure;
With tin In hydrogenchloride Yield given;
4-chlorophenylacetic Acid
1878-66-6

4-chlorophenylacetic Acid

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

2-(4-chlorobenzyl)-5-aminobenzoxazole
381200-35-7

2-(4-chlorobenzyl)-5-aminobenzoxazole

Conditions
ConditionsYield
With PPA at 195 - 198℃; for 1.5h;100%
With polyphosphoric acid at 200℃; for 1.5h;75%
With PPA Heating;
2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

benzoic acid
65-85-0

benzoic acid

5-amino-2-phenyl-1,3-benzoxazole
41373-37-9

5-amino-2-phenyl-1,3-benzoxazole

Conditions
ConditionsYield
PPA at 110 - 180℃; for 3h;97%
With polyphosphoric acid at 110 - 180℃;97%
With PPA at 110 - 180℃; for 4h;63%
2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

2-(4-tert-butylphenyl)benzo[d]oxazole-5-amine
293738-21-3

2-(4-tert-butylphenyl)benzo[d]oxazole-5-amine

Conditions
ConditionsYield
With polyphosphoric acid (PPA) at 180℃;94%
With polyphosphoric acid (PPA) at 180℃;94%
In various solvent(s) for 2.5h; Heating;
N-(Benzyloxycarbonyloxy)succinimide
13139-17-8

N-(Benzyloxycarbonyloxy)succinimide

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

dibenzyl 4-hydroxy-1,3-phenylenedicarbamate
1360875-58-6

dibenzyl 4-hydroxy-1,3-phenylenedicarbamate

Conditions
ConditionsYield
With pyridine for 18h;94%
2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

p-Toluic acid
99-94-5

p-Toluic acid

2-(4-methylphenyl)-5-aminobenzoxazole
54995-50-5

2-(4-methylphenyl)-5-aminobenzoxazole

Conditions
ConditionsYield
With polyphosphoric acid at 170℃; for 1.5h;92%
With polyphosphoric acid at 170 - 200℃;
With polyphosphoric acid at 160 - 220℃; for 0.1h;
With polyphosphoric acid at 160 - 190℃; for 3h;
2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

2-(4-bromophenyl)-acetic acid
1878-68-8

2-(4-bromophenyl)-acetic acid

2-(4-bromobenzyl)-5-aminobenzoxazole
1016836-17-1

2-(4-bromobenzyl)-5-aminobenzoxazole

Conditions
ConditionsYield
With polyphosphoric acid at 200℃; for 1.5h;89%
With PPA Heating;
With polyphosphoric acid at 160 - 220℃; for 0.1h;
4-Fluorobenzoic acid
456-22-4

4-Fluorobenzoic acid

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

2-(4-fluorophenyl)benzo[d]oxazol-5-amine
116248-10-3

2-(4-fluorophenyl)benzo[d]oxazol-5-amine

Conditions
ConditionsYield
With polyphosphoric acid at 200℃; for 2h;86%
With PPA for 2.5h; Heating;
In various solvent(s) for 2.5h; Heating;
2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

3-chlorobenzoate
535-80-8

3-chlorobenzoate

2-(3-chlorophenyl)benzo[d]oxazol-5-amine
54995-52-7

2-(3-chlorophenyl)benzo[d]oxazol-5-amine

Conditions
ConditionsYield
With polyphosphoric acid at 120 - 170℃;86%
5,6-bis(2,6-diisopropylphenyloxy)-1,3-diiminoisoindoline

5,6-bis(2,6-diisopropylphenyloxy)-1,3-diiminoisoindoline

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

C102H113N7O7

C102H113N7O7

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine at 120℃; for 5.5h;85%
2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

3,5-dimethoxybenzoic acid
1132-21-4

3,5-dimethoxybenzoic acid

2-(3,5-dimethoxyphenyl)benzoxazol-5-amine

2-(3,5-dimethoxyphenyl)benzoxazol-5-amine

Conditions
ConditionsYield
With polyphosphoric acid at 80 - 95℃;84%
2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

para-chlorobenzoic acid
74-11-3

para-chlorobenzoic acid

2-(4-chlorophenyl)benzo[d]oxazol-5-amine
54995-51-6

2-(4-chlorophenyl)benzo[d]oxazol-5-amine

Conditions
ConditionsYield
With polyphosphoric acid at 200℃; for 1.5h;82%
With polyphosphoric acid at 160 - 220℃; for 0.1h;
p-ethylbenzoic acid
619-64-7

p-ethylbenzoic acid

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

5-amino-2-(4-ethylphenyl)-1,3-benzoxazole
116248-09-0

5-amino-2-(4-ethylphenyl)-1,3-benzoxazole

Conditions
ConditionsYield
With polyphosphoric acid at 180℃; for 2h;81%
With PPA for 2.5h; Condensation; Cyclization; Heating;
With PPA for 2.5h; Heating;
5-chloro-naphthalene-1-carboxylic acid
16650-52-5

5-chloro-naphthalene-1-carboxylic acid

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

2-(5-chloronaphthalene-1-yl)benzo[d]oxazole-5-amine

2-(5-chloronaphthalene-1-yl)benzo[d]oxazole-5-amine

Conditions
ConditionsYield
With polyphosphoric acid (PPA) at 180℃;79%
With polyphosphoric acid (PPA) at 180℃;79%
1-naphthalenecarboxylic acid
86-55-5

1-naphthalenecarboxylic acid

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

2-(naphthalene-1-yl)benzo[d]oxazole-5-amine

2-(naphthalene-1-yl)benzo[d]oxazole-5-amine

Conditions
ConditionsYield
With polyphosphoric acid (PPA) at 180℃;77%
With polyphosphoric acid (PPA) at 180℃;77%
2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

meta-aminobenzoic acid
99-05-8

meta-aminobenzoic acid

5-amino-2-(3'-aminophenyl)-benzoxazole
13676-48-7

5-amino-2-(3'-aminophenyl)-benzoxazole

Conditions
ConditionsYield
With tin(II) chloride dihdyrate at 110 - 195℃; Inert atmosphere;76.9%
With PPA at 150℃; for 12h;67%
With PPA
2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

naphthalene-2-carboxylate
93-09-4

naphthalene-2-carboxylate

2-(naphthalene-2-yl)-benzo[d]oxazole-5-amine
95888-12-3

2-(naphthalene-2-yl)-benzo[d]oxazole-5-amine

Conditions
ConditionsYield
With polyphosphoric acid (PPA) at 180℃;75%
With polyphosphoric acid (PPA) at 180℃;75%
at 180℃; for 3h;63%
2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

p-Fluorophenylacetic acid
405-50-5

p-Fluorophenylacetic acid

2-(4-fluorobenzyl)-5-aminobenzoxazole
959958-63-5

2-(4-fluorobenzyl)-5-aminobenzoxazole

Conditions
ConditionsYield
With polyphosphoric acid at 200℃; for 1.5h;72%
With PPA Heating;
With polyphosphoric acid at 160 - 220℃; for 0.1h;
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

di-tert-butyl (4-hydroxy-1,3-phenylene)dicarbamate

di-tert-butyl (4-hydroxy-1,3-phenylene)dicarbamate

Conditions
ConditionsYield
With sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 48h;68%
phenylacetic acid
103-82-2

phenylacetic acid

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

2-benzyl-5-aminobenzoxazole
313527-44-5

2-benzyl-5-aminobenzoxazole

Conditions
ConditionsYield
With PPA at 150 - 160℃; for 2.5h;66%
With PPA at 210℃; for 2.5h;65%
With polyphosphoric acid at 180℃; for 1.5h;61%
4-tolylacetic acid
622-47-9

4-tolylacetic acid

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

2-(4-methylbenzyl)-5-aminobenzoxazole
959958-62-4

2-(4-methylbenzyl)-5-aminobenzoxazole

Conditions
ConditionsYield
With polyphosphoric acid at 180℃; for 1.5h;61%
With PPA Heating;
With polyphosphoric acid at 160 - 220℃; for 0.1h;
4-Bromobenzoic acid
586-76-5

4-Bromobenzoic acid

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

2-(4-bromophenyl)-5-aminobenzoxazole
54995-56-1

2-(4-bromophenyl)-5-aminobenzoxazole

Conditions
ConditionsYield
With polyphosphoric acid at 200℃; for 2.5h;60%
With polyphosphoric acid at 160 - 220℃; for 0.1h;
5,6-bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)isoindoline-1,3-diimine

5,6-bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)isoindoline-1,3-diimine

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

C72H101N7O25

C72H101N7O25

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine at 120℃; for 5h;60%
2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

C22H16N6O
1301248-13-4

C22H16N6O

Conditions
ConditionsYield
With triethylamine In ethanol at 0℃; for 24h; Darkness;53%
5-Aminosalicylic Acid
89-57-6

5-Aminosalicylic Acid

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

5-amino-2-(5'-amino-2'-hydroxyphenyl)benzoxazole

5-amino-2-(5'-amino-2'-hydroxyphenyl)benzoxazole

Conditions
ConditionsYield
With PPA for 15h; Heating;52%
With PPA at 150℃; for 12h;27%
2-aminobenzothiazole-6-carboxylic acid
93-85-6

2-aminobenzothiazole-6-carboxylic acid

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

2-(2-aminobenzo[d]thiazol-6-yl)benzo[d]oxazol-5-amine

2-(2-aminobenzo[d]thiazol-6-yl)benzo[d]oxazol-5-amine

Conditions
ConditionsYield
With Eaton′s Reagent for 8h; Reflux;51%
benzothiazole-6-carboxylic acid
3622-35-3

benzothiazole-6-carboxylic acid

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

2-(benzo[d]thiazol-6-yl)benzo[d]oxazol-5-amine

2-(benzo[d]thiazol-6-yl)benzo[d]oxazol-5-amine

Conditions
ConditionsYield
With Eaton′s Reagent for 8h; Reflux;49%
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

3-hydroxy phenylacetylene
10401-11-3

3-hydroxy phenylacetylene

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

phenyl chloroformate
1885-14-9

phenyl chloroformate

C15H12N2O3
1135615-11-0

C15H12N2O3

Conditions
ConditionsYield
Stage #1: di-tert-butyl dicarbonate; 2,4-diaminophenol dihydrochloride With potassium carbonate In water at 20℃; Cooling with ice;
Stage #2: phenyl chloroformate With pyridine In 1-methyl-pyrrolidin-2-one at 20℃; Cooling with ice;
Stage #3: 3-hydroxy phenylacetylene
45%
benzothiazole-6-carboxylic acid
3622-35-3

benzothiazole-6-carboxylic acid

2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

2-(benzo[d]thiazol-5-yl)benzo[d]oxazole

2-(benzo[d]thiazol-5-yl)benzo[d]oxazole

Conditions
ConditionsYield
With Eaton′s Reagent for 8h; Reflux;44%
2,4-diaminophenol dihydrochloride
137-09-7

2,4-diaminophenol dihydrochloride

4-methoxybenzoic acid
100-09-4

4-methoxybenzoic acid

2-(4-methoxyphenyl)benzo[d]oxazol-5-amine

2-(4-methoxyphenyl)benzo[d]oxazol-5-amine

Conditions
ConditionsYield
With polyphosphoric acid at 120 - 180℃; for 2.5h;42%
With polyphosphoric acid at 120℃; for 2h;41%

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