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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 4-Hydroxybenzhydrazide supplier in China

Cas:5351-23-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply 4-hydroxybenzohydrazide

Cas:5351-23-5

Min.Order:1

Negotiable

Type:Other

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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

Large Stock 99.0% 4-Hydroxybenzoic acid hydrazide 5351-23-5 Producer

Cas:5351-23-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

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

4-Hydroxybenzhydrazide

Cas:5351-23-5

Min.Order:1 Kilogram

FOB Price: $3.0

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

4-Hydroxybenzhydrazide

Cas:5351-23-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name:4-Hydroxybenzhydrazide CAS NO: 5351-23-5 Grade:Medical scientific research and export Molecular formula:C7H8N2O2 Molecular weight:152.1506 Product Quality 12 years of chemical raw materials Mature operation of the industry System stab

4-Hydroxybenzhydrazide/cas:5351-23-5/Raw material spot

Cas:5351-23-5

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Now we would like to update our product list for you, kindly check the below information: 1. Catalyst series ( such as Noble Metal Catalyst, Phosphorous ligand, etc ) 2. Pharmaceutical Intermediate ( such as diabtes series, Anti

5351-23-5

Cas:5351-23-5

Min.Order:1 Kilogram

FOB Price: $1.0

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

4-Hydroxybenzhydrazide

Cas:5351-23-5

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Factory direct supply CAS 5351-23-5 with best quality

Cas:5351-23-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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 email in time prod

Benzoic acid,4-hydroxy-, hydrazide

Cas:5351-23-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Product name 4-Hydroxybenzhydrazide CAS 5351-23-5 Synonyms 4-HYDROXYBENZOIC ACID HYDRAZIDE;4-HYDROXYBENZOHYDRAZIDE;4-HYDROXYBENZHYDRAZIDE;AKOS BBS-00008116;4-HYDROXYBENZHYDRAZIDE

4-Hydroxybenzhydrazide CAS: 5351-23-5

Cas:5351-23-5

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

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

Benzoic acid,4-hydroxy-, hydrazide 5351-23-5

Cas:5351-23-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

4-Hydroxybenzhydrazide CAS:5351-23-5 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 int

4-Hydroxybenzhydrazide CAS:5351-23-5

Cas:5351-23-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Benzoic acid,4-hydroxy-, hydrazide

Cas:5351-23-5

Min.Order:0

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

Benzoic acid,4-hydroxy-, hydrazide

Cas:5351-23-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemlyte Solutions

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

Featured products 4-hydroxybenzohydrazide

Cas:5351-23-5

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High quality 4-Hydroxybenzhydrazide

Cas:5351-23-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

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, intermediat

4-Hydroxybenzhydrazide

Cas:5351-23-5

Min.Order:1 Kilogram

FOB Price: $5.0 / 15.0

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

4-Hydroxybenzhydrazide Chemical Properties Melting point 264-266 °C (dec.)(lit.) Boiling point 274.61°C (rough estimate) density 1.2804 (rough estimate) refractive index 1.5200 (estimate) storage temp. Store at +15°C t

4-Hydroxybenzhydrazide

Cas:5351-23-5

Min.Order:1 Gram

FOB Price: $66.0

Type:Lab/Research institutions

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

4-Hydroxybenzhydrazide

Cas:5351-23-5

Min.Order:1 Gram

Negotiable

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-Hydroxybenzhydrazide

Cas:5351-23-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

4-Hydroxybenzhydrazide

Cas:5351-23-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Win-Win chemical Co.Ltd

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

4-Hydroxybenzhydrazide cas no. 5351-23-5 98%

Cas:5351-23-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Greenutra Resource Inc

4-Hydroxybenzoic acid hydrazideAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air

4-Hydroxybenzoic acid hydrazide

Cas:5351-23-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

4-Hydroxybenzohydrazide

Cas:5351-23-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

4-Hydroxybenzoic acid hydrazide

Cas:5351-23-5

Min.Order:0

Negotiable

Type:Other

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

4-Hydroxybenzohydrazide

Cas:5351-23-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

4-Hydroxybenzhydrazide

Cas:5351-23-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

4-Hydroxybenzhydrazide

Cas:5351-23-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

BOC Sciences

BOC Sciences is committed to supplying cost-effective products and services. We provide 4-Hydroxybenzhydrazide. 4-Hydroxybenzhydrazide works as an indicator in the determination of carbohydrates. More information please visit: www.bocsci.com/4-hydr

4-Hydroxybenzhydrazide

Cas:5351-23-5

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Synthetic route

methyl 4-hydroxylbenzoate
99-76-3

methyl 4-hydroxylbenzoate

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
With hydrazine hydrate for 18h; Reflux;99%
With hydrazine hydrate In methanol for 0.05h; Microwave irradiation;94.6%
With hydrazine hydrate In ethanol for 0.2h; Reflux; Microwave irradiation;93%
C21H18Cl2N4O4
62500-75-8

C21H18Cl2N4O4

A

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

B

2-Dimethylamino-4,6-dihydrazino-sym-triazine
6476-81-9

2-Dimethylamino-4,6-dihydrazino-sym-triazine

Conditions
ConditionsYield
With hydrazine hydrate In 1,4-dioxane for 2h; Heating;A 98%
B 55%
Ethyl 4-hydroxybenzoate
120-47-8

Ethyl 4-hydroxybenzoate

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
With hydrazine hydrate In ethanol; water Inert atmosphere; Reflux;96%
With hydrazine hydrate In ethanol Inert atmosphere; Reflux;96%
With hydrazine hydrate In ethanol Inert atmosphere; Reflux;96%
4-hydroxy-benzoic acid
99-96-7

4-hydroxy-benzoic acid

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
Stage #1: 4-hydroxy-benzoic acid With sulfuric acid In ethanol for 6h; Reflux;
Stage #2: With hydrazine hydrate; sodium hydrogencarbonate; acetic acid Reflux;
89%
With hydrazine at 250℃; Microwave irradiation;83%
With hydrazine hydrochloride
2,4-bis(4-chlorocarbonylphenoxy)-6-methoxy-s-triazine
61370-95-4

2,4-bis(4-chlorocarbonylphenoxy)-6-methoxy-s-triazine

A

2,4‐dihydrazinyl‐6‐methoxy‐1,3,5‐triazine
19992-28-0

2,4‐dihydrazinyl‐6‐methoxy‐1,3,5‐triazine

B

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
With hydrazine hydrate In 1,4-dioxane for 2h; Heating;
C29H18Cl2N4O4
62500-77-0

C29H18Cl2N4O4

A

2-Diphenylamino-4,6-dihydrazino-sym-triazine
35968-21-9

2-Diphenylamino-4,6-dihydrazino-sym-triazine

B

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
With hydrazine hydrate In 1,4-dioxane for 2h; Heating;
4-Hydroxy-benzoic acid [1-[(2S,4S)-4-((2R,4S,5S,6S)-4-amino-5-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-2,5,12-trihydroxy-7-methoxy-6,11-dioxo-1,2,3,4,6,11-hexahydro-naphthacen-2-yl]-eth-(E)-ylidene]-hydrazide; hydrochloride
66996-57-4

4-Hydroxy-benzoic acid [1-[(2S,4S)-4-((2R,4S,5S,6S)-4-amino-5-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-2,5,12-trihydroxy-7-methoxy-6,11-dioxo-1,2,3,4,6,11-hexahydro-naphthacen-2-yl]-eth-(E)-ylidene]-hydrazide; hydrochloride

A

daunomycin hydrochloride
23541-50-6

daunomycin hydrochloride

B

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
With water at 37℃; Rate constant; also half-conversion period, pH 5.58, 0.01 M phosphate buffer;
4-hydroxy-benzoic acid
99-96-7

4-hydroxy-benzoic acid

acid

acid

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: H2SO4 / Heating
2: hydrazine / H2O / Heating
View Scheme
4-hydroxy-benzoic acid
99-96-7

4-hydroxy-benzoic acid

CS2

CS2

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 80 percent / H2SO4
2: 70 percent / 35percent aq. hydrazine / Ambient temperature
View Scheme
tert-butyl 2-(4-hydroxybenzoyl)hydrazinecarboxylate
521290-74-4

tert-butyl 2-(4-hydroxybenzoyl)hydrazinecarboxylate

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
deprotection;
4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: manganese(IV) oxide; sodium cyanide / 24 h / 20 °C
2: hydrazine hydrate / ethanol / 3 h / 70 °C
View Scheme
Multi-step reaction with 2 steps
1: iodine; potassium hydroxide / 2 h / 0 °C
2: hydrazine hydrate / ethanol / 70 °C
View Scheme
N-(4-hydroxybenzoyl)imidazole

N-(4-hydroxybenzoyl)imidazole

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
With hydrazine hydrate for 0.0166667h; Sonication;
4-hydroxybenzoyl chloride
28141-24-4

4-hydroxybenzoyl chloride

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
With hydrazine hydrate for 0.5h; Reflux;
With dmap; triethylamine; hydrazine In dichloromethane at 20℃; for 0.5h;
ethanol
64-17-5

ethanol

4-hydroxy-benzoic acid
99-96-7

4-hydroxy-benzoic acid

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
Stage #1: ethanol; 4-hydroxy-benzoic acid
Stage #2: With hydrazine hydrate for 5.25h; Reflux;
1-(2-methoxy-6-pentadecylbenzyl)-1H-1,2,3-triazole-4-carbaldehyde

1-(2-methoxy-6-pentadecylbenzyl)-1H-1,2,3-triazole-4-carbaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

(E)-N'-[{1-(2-methoxy-6-pentadecylbenzyl)-1H-1,2,3-triazol-4-yl}methylene]-4-hydroxybenzohydrazide

(E)-N'-[{1-(2-methoxy-6-pentadecylbenzyl)-1H-1,2,3-triazol-4-yl}methylene]-4-hydroxybenzohydrazide

Conditions
ConditionsYield
In ethanol for 0.5h; Reflux;100%
vanillin
121-33-5

vanillin

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

4-hydroxy-N’-[(E)-(4-hydroxy-3-methoxyphenyl)methylidene]benzohydrazide

4-hydroxy-N’-[(E)-(4-hydroxy-3-methoxyphenyl)methylidene]benzohydrazide

Conditions
ConditionsYield
With acetic acid In methanol for 3h; Reflux;100%
5-nitrofurane-2-carboxaldehyde
698-63-5

5-nitrofurane-2-carboxaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

4-hydroxy-N’-((5-nitrofuran-2-yl)methylene)benzohydrazide
965-52-6

4-hydroxy-N’-((5-nitrofuran-2-yl)methylene)benzohydrazide

Conditions
ConditionsYield
In water Acidic conditions; Reflux;99.8%
In ethanol for 2h; Reflux;91.4%
4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

4-hydroxy-N’-[(E)-(4-hydroxyphenyl)methylidene]benzohydrazide
100872-56-8

4-hydroxy-N’-[(E)-(4-hydroxyphenyl)methylidene]benzohydrazide

Conditions
ConditionsYield
With hydrogenchloride In ethanol; water at 20℃; for 24h;99%
With acetic acid In methanol for 2h; Reflux;96%
With acetic acid In ethanol for 3h; Reflux;90%
With acetic acid In isopropyl alcohol at 20℃; for 24h;82%
3,5-dihydroxybenzaldehyde
26153-38-8

3,5-dihydroxybenzaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

(E)-N'-(3,5-dihydroxybenzylidene)-4-hydroxybenzohydrazide
1607472-21-8

(E)-N'-(3,5-dihydroxybenzylidene)-4-hydroxybenzohydrazide

Conditions
ConditionsYield
With hydrogenchloride In ethanol; water at 20℃; for 24h;99%
1-Phenylethanol
98-85-1, 13323-81-4

1-Phenylethanol

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

4-hydroxy-N'-(1-phenylethyl)benzohydrazide

4-hydroxy-N'-(1-phenylethyl)benzohydrazide

Conditions
ConditionsYield
With nickel(II) triflate; 1,3-bis(dicyclohexylphosphine)propane In tert-Amyl alcohol at 120℃; for 48h; Inert atmosphere; Glovebox; Schlenk technique; Molecular sieve;99%
4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

hexakis(4-formylphenoxy)cyclotriphosphazene
77958-57-7

hexakis(4-formylphenoxy)cyclotriphosphazene

C84H66N15O18P3

C84H66N15O18P3

Conditions
ConditionsYield
In tetrahydrofuran for 18h; Reflux;98.6%
4,4′,4″‑[(1,3,5‑triazine‑2,4,6‑triyl)tris(oxy)]tribenzaldehyde
3140-75-8

4,4′,4″‑[(1,3,5‑triazine‑2,4,6‑triyl)tris(oxy)]tribenzaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

2,4,6-tris[4-{(E)-[2'-(4-hydroxyphenylcarbonyl)hydrazinylidene]methyl}phenoxy]-1,3,5-triazine
1363379-35-4

2,4,6-tris[4-{(E)-[2'-(4-hydroxyphenylcarbonyl)hydrazinylidene]methyl}phenoxy]-1,3,5-triazine

Conditions
ConditionsYield
In tetrahydrofuran Reflux;98.6%
4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

salicylic acid pentafluorophenyl ester
187806-42-4

salicylic acid pentafluorophenyl ester

N-(4-hydroxybenzoyl)-N'-salicylhydrazine
41697-26-1

N-(4-hydroxybenzoyl)-N'-salicylhydrazine

Conditions
ConditionsYield
In N,N-dimethyl-formamide Ambient temperature;98%
Diphenylacetaldehyde
947-91-1

Diphenylacetaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

diphenylacetaldehyde p-hydroxybenzoylhydrazone
386283-90-5

diphenylacetaldehyde p-hydroxybenzoylhydrazone

Conditions
ConditionsYield
With acetic acid In ethanol for 4h; Reflux;98%
3-acetyl-4-hydroxychromen-2-one
2555-37-5

3-acetyl-4-hydroxychromen-2-one

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

3-{N-[(4'-hydroxybenzoyl)hydrazono]ethyl}-4-hydroxycoumarin

3-{N-[(4'-hydroxybenzoyl)hydrazono]ethyl}-4-hydroxycoumarin

Conditions
ConditionsYield
In propan-1-ol for 24h; Reflux;98%
4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxylic acid

1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxylic acid

N'-(4-hydroxybenzoyl)-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbohydrazide

N'-(4-hydroxybenzoyl)-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbohydrazide

Conditions
ConditionsYield
Stage #1: 4-hydroxybenzoic acid hydrazide; 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxylic acid With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate In N,N-dimethyl-formamide for 0.333333h;
Stage #2: With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide for 1h;
98%
3,5-diodosalicylaldehyde
2631-77-8

3,5-diodosalicylaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

4-hydroxy-N'-(3,5-diiodo-2-hydroxybenzylidene)benzohydrazide

4-hydroxy-N'-(3,5-diiodo-2-hydroxybenzylidene)benzohydrazide

Conditions
ConditionsYield
In methanol for 0.5h;97%
3-acetyl-7-hydroxy-chromen-2-one
10441-27-7

3-acetyl-7-hydroxy-chromen-2-one

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

(E)-4-hydroxy-N'-(1-(7-hydroxy-2-oxo-2H-chromen-3-yl)ethylidene)benzohydrazide

(E)-4-hydroxy-N'-(1-(7-hydroxy-2-oxo-2H-chromen-3-yl)ethylidene)benzohydrazide

Conditions
ConditionsYield
With acetic acid In ethanol at 80℃; for 1h; Microwave irradiation;97%
benzo[b]thiophene-3-carboxylic acid
5381-25-9

benzo[b]thiophene-3-carboxylic acid

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

N'3-(4-hydroxybenzoyl)benzo[b]thiophene-3-carbohydrazide

N'3-(4-hydroxybenzoyl)benzo[b]thiophene-3-carbohydrazide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 6h;97%
sodium 2-formylbenzenesulfonate
1008-72-6

sodium 2-formylbenzenesulfonate

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

sodium 2-{(E)-[2-(4-hydroxybenzoyl)hydrazinylidene]methyl}benzenesulfonate

sodium 2-{(E)-[2-(4-hydroxybenzoyl)hydrazinylidene]methyl}benzenesulfonate

Conditions
ConditionsYield
In methanol for 2h; Reflux;97%
5-Methylfurfural
620-02-0

5-Methylfurfural

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

4-hydroxy-N′-((5-methylfuran-2-yl)methylene)benzohydrazide

4-hydroxy-N′-((5-methylfuran-2-yl)methylene)benzohydrazide

Conditions
ConditionsYield
Stage #1: 4-hydroxybenzoic acid hydrazide With acetic acid In water for 0.0833333h; Sonication;
Stage #2: 5-Methylfurfural In dimethyl sulfoxide at 20℃; for 0.5h; Sonication;
97%
8-acetyl-7-hydroxycoumarin
6748-68-1

8-acetyl-7-hydroxycoumarin

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

OHC6H4C12H9O4N2

OHC6H4C12H9O4N2

Conditions
ConditionsYield
In propan-1-ol for 24h; Heating;96%
4-methyl-benzaldehyde
104-87-0

4-methyl-benzaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

4-hydroxy-N’-[(E)-(4-methylphenyl)methylidene]benzohydrazide monomethanolate

4-hydroxy-N’-[(E)-(4-methylphenyl)methylidene]benzohydrazide monomethanolate

Conditions
ConditionsYield
acetic acid In ethanol for 4h; Heating / reflux;96%
With acetic acid In methanol for 2h; Reflux;80%
benzaldehyde
100-52-7

benzaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

4-hydroxy-N’-[(E)-benzylidene]benzohydrazide

4-hydroxy-N’-[(E)-benzylidene]benzohydrazide

Conditions
ConditionsYield
With acetic acid In methanol for 2h; Reflux;96%
acetic acid In ethanol for 4h; Heating / reflux;86%
With acetic acid In isopropyl alcohol at 20℃; for 24h;62%
5-ethyl-thiophene-2-carbaldehyde
36880-33-8

5-ethyl-thiophene-2-carbaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

4-hydroxybenzoic acid (5-ethylthiophen-2-ylmethylene)hydrazide

4-hydroxybenzoic acid (5-ethylthiophen-2-ylmethylene)hydrazide

Conditions
ConditionsYield
acetic acid In ethanol for 4h; Heating / reflux;96%
3-bromo-5H-pyrido[3,2-b]pyrrolizin-5-one

3-bromo-5H-pyrido[3,2-b]pyrrolizin-5-one

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

N'-[3-bromo-5H-pyrido[3,2-b]pyrrolizin-5-ylidene]-4-hydroxybenzohydrazide

N'-[3-bromo-5H-pyrido[3,2-b]pyrrolizin-5-ylidene]-4-hydroxybenzohydrazide

Conditions
ConditionsYield
In ethanol for 24h; Reflux;96%
5-nitrothiophene-2-carboxaldehyde diacetate
14289-24-8

5-nitrothiophene-2-carboxaldehyde diacetate

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

4-hydroxy-benzoic acid [(5-nitro-thiophen-2-yl)methylene]hydrazide

4-hydroxy-benzoic acid [(5-nitro-thiophen-2-yl)methylene]hydrazide

Conditions
ConditionsYield
With sulfuric acid In ethanol; water; acetic acid95.09%
benzaldehyde
100-52-7

benzaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

Conditions
ConditionsYield
In ethanol for 6h; Heating;95%
In ethanol for 4h; Reflux;76%
With sulfuric acid; acetic acid In ethanol; water Reflux;72%
With potassium hydroxide In methanol at 80℃; for 2h;
5-nitro-2-thiophenecarboxaldehyde
4521-33-9

5-nitro-2-thiophenecarboxaldehyde

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

4-hydroxybenzoic acid (5-nitrothiophen-2-ylmethylene)hydrazide

4-hydroxybenzoic acid (5-nitrothiophen-2-ylmethylene)hydrazide

Conditions
ConditionsYield
acetic acid In ethanol for 4h; Heating / reflux;95%
In ethanol; water Heating;86%
4-(4-octoxyphenyl)benzoyl chloride
62918-50-7

4-(4-octoxyphenyl)benzoyl chloride

4-hydroxybenzoic acid hydrazide
5351-23-5

4-hydroxybenzoic acid hydrazide

C28H32N2O4
1193305-26-8

C28H32N2O4

Conditions
ConditionsYield
With sodium carbonate In tetrahydrofuran; water at 20℃;95%

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