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
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inquirybest price and high quality of 2-Thiophenecarboxylic acid hydrazide 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 c
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inquiryProduct Name: 2-Thiophenecarboxylic acid hydrazide Synonyms: LABOTEST-BB LT00772322;AKOS BBS-00004097;2-THIOPHENECARBOXYLIC HYDRAZIDE;2-THIOPHENECARBOXYLIC ACID HYDRAZIDE;2-THIOPHENECARBOHYDRAZIDE;THIOPHENE
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inquiryHenan 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
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
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inquiryJ&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
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High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryhigh 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
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inquiryAcmec 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
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Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use
2-Thiophenecarboxylic acid hydrazide cas 2361-27-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:1g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
Conditions | Yield |
---|---|
Stage #1: 2-thiophenylcarboxylic acid With dicyclohexyl-carbodiimide In acetonitrile at 0 - 20℃; Stage #2: With benzotriazol-1-ol In acetonitrile at 0 - 20℃; Stage #3: With hydrazine hydrate In acetonitrile at 0 - 20℃; for 5h; | 87% |
Multi-step reaction with 2 steps 1: sulfuric acid / 8 h / Reflux 2: hydrazine hydrate / ethanol / 24 h / Reflux View Scheme | |
Multi-step reaction with 3 steps 1: thionyl chloride / Reflux 2: Reflux 3: hydrazine hydrate View Scheme |
1,3-dicyclohexyl-1-(thiophene-2-carbonyl)urea
2-thienylhydrazide
Conditions | Yield |
---|---|
With hydrazine hydrate In acetonitrile at 0 - 20℃; for 6h; | 87% |
Conditions | Yield |
---|---|
With hydrazine hydrate In methanol for 0.0833333h; Microwave irradiation; | 86.7% |
With hydrazine hydrate In ethanol at 70℃; for 3.5h; | 81% |
With hydrazine hydrate In ethanol at 80℃; for 18h; | 80% |
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol Reflux; | 81% |
With hydrazine hydrate | 8% |
With hydrazine In ethanol Heating / reflux; |
2-thienylhydrazide
Conditions | Yield |
---|---|
With hydrazine hydrate |
C10H14N2O3S
2-thienylhydrazide
Conditions | Yield |
---|---|
With hydrogenchloride In 1,4-dioxane at 20℃; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: N,N-dimethyl-formamide / 1 h / 20 °C / Inert atmosphere 2: hydrazine hydrate / methanol / 3 h / Reflux View Scheme | |
Stage #1: 2-Thiophenecarbonyl chloride With N,N-dimethyl-formamide In methanol at 20℃; for 1h; Inert atmosphere; Stage #2: With hydrazine hydrate In methanol for 3h; Reflux; | |
With hydrazine hydrate In methanol at 65℃; for 4h; | |
With hydrazine hydrate; triethylamine In methanol at 65℃; for 4h; |
2-thienylhydrazide
2-(phenylsulfonyl)-ethanimidic acid ethyl ester hydrochloride
thiophene-2-carboxylic acid N'-(2-benzenesulfonyl-1-iminoethyl)hydrazide
Conditions | Yield |
---|---|
Stage #1: 2-(phenylsulfonyl)-ethanimidic acid ethyl ester hydrochloride With sodium hydroxide In chloroform; water Stage #2: 2-thienylhydrazide In chloroform at 50℃; for 24h; | 100% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; for 6h; Inert atmosphere; | 100% |
With triethylamine In dichloromethane at 20℃; for 16h; | |
With triethylamine In dichloromethane at 0 - 20℃; | |
With triethylamine In dichloromethane at 0 - 20℃; for 6h; |
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol; water at 80℃; for 4h; | 100% |
In methanol for 3h; Reflux; | 72% |
2-thienylhydrazide
3-tert-butyl-2-hydroxybenzaldehyde
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; water Reflux; | 98.6% |
Conditions | Yield |
---|---|
With trifluoroacetic acid In ethanol Reflux; | 98% |
With hydrogenchloride In ethanol at 20℃; for 0.5h; Condensation; | 87% |
In ethanol at 100℃; | 85% |
In ethanol at 20℃; |
2-thienylhydrazide
potassium thioacyanate
2-(2-thienylcarbonyl)-1-hydrazinecarbothioamide
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; water for 12h; Heating; | 98% |
With hydrogenchloride | 60% |
2-thienylhydrazide
acetylacetone
(3,5-dimethyl-1H-pyrazol-1-yl)(thiophen-2-yl)methanone
Conditions | Yield |
---|---|
In neat (no solvent) at 120℃; for 0.166667h; Microwave irradiation; | 98% |
polystyrene supported sulfonic acid In water at 20℃; for 0.0333333h; | 91% |
With PEG-SO3H In water at 20℃; for 0.0833333h; | 88% |
With cellulose sulfuric acid In water at 20℃; for 0.166667h; Knorr Pyrazole Synthesis; Green chemistry; regioselective reaction; | 88% |
2-thienylhydrazide
3-acetyl-4-hydroxy-6-methyl-2H-pyran-2-one
C13H12N2O4S
Conditions | Yield |
---|---|
In methanol for 2h; Reflux; | 98% |
In methanol for 2h; Reflux; | 98% |
Conditions | Yield |
---|---|
In ethanol for 2h; Reflux; | 97.1% |
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran; water | 97% |
2-thienylhydrazide
3-ethyl-2,4-pentanedione
(4-ethyl-3,5-dimethyl-1H-pyrazol-1-yl)(thiophen-2-yl)methanone
Conditions | Yield |
---|---|
In neat (no solvent) at 120℃; for 0.25h; Microwave irradiation; | 97% |
polystyrene supported sulfonic acid In water at 20℃; for 0.0333333h; | 90% |
2-thienylhydrazide
3-chloropentane-2,4-dione
(4-chloro-3,5-dimethyl-1H-pyrazol-1-yl)(thiophen-2-yl)methanone
Conditions | Yield |
---|---|
In neat (no solvent) at 120℃; for 0.166667h; Microwave irradiation; | 97% |
polystyrene supported sulfonic acid In water at 20℃; for 0.0333333h; | 85% |
Conditions | Yield |
---|---|
With acetic acid In ethanol Reflux; | 97% |
Conditions | Yield |
---|---|
With trifluoroacetic acid In ethanol Reflux; | 97% |
Conditions | Yield |
---|---|
In propan-1-ol for 2h; Reflux; | 97% |
In methanol for 2h; Reflux; |
2-thienylhydrazide
2-(2,3-dihydrobenzo[b][1,4]dioxin-5-yl)acetic acid
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃; for 18h; | 97% |
Conditions | Yield |
---|---|
In ethanol for 2h; Reflux; | 96.79% |
With hydrogenchloride In 1,4-dioxane; dimethyl sulfoxide at 20℃; for 18h; | 84% |
Conditions | Yield |
---|---|
In ethanol for 2h; Reflux; | 96.26% |
2-thienylhydrazide
perfluoropentanoic anhydride
A
Perfluoropentanoic acid
Conditions | Yield |
---|---|
In 1-methyl-pyrrolidin-2-one at 20℃; Inert atmosphere; | A n/a B 96% |
2-thienylhydrazide
Conditions | Yield |
---|---|
Stage #1: 8-((3-(dimethoxymethyl)-4-fluorophenyl)amino)-N-(2-morpholinoethyl)-5-oxo-10,11-dihydro-5H-dibenzo[a,d][7]annulene-3-carboxamide With sulfuric acid In ethanol at 20℃; for 0.5h; Stage #2: 2-thienylhydrazide In ethanol at 20℃; | 96% |
2-thienylhydrazide
3-anilino-6-chloropyridazine
phenyl-(3-thiophen-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)amine
Conditions | Yield |
---|---|
Stage #1: 2-thienylhydrazide; 3-anilino-6-chloropyridazine With triethylamine hydrochloride In para-xylene for 24h; Heating / reflux; Stage #2: With potassium carbonate In water | 95% |
2-thienylhydrazide
4-trifluoromethyl-phenyl acetyl chloride
N-(4-trifluoromethylbenzoyl)-N'-(2-thiophenecarbonyl)hydrazide
Conditions | Yield |
---|---|
In 1-methyl-pyrrolidin-2-one at 20℃; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
for 4h; pH=3.5 - 4.5; Reflux; | 94.56% |
2-thienylhydrazide
3-acetyl-4-hydroxychromen-2-one
3-{1-[(2-thienylcarbonyl)hydrazono]ethyl}-4-hydroxy-2H-1-benzopyran-2-one
Conditions | Yield |
---|---|
In propan-1-ol for 24h; Reflux; | 94% |
In propan-1-ol for 24h; Reflux; | 94% |
2-thienylhydrazide
Conditions | Yield |
---|---|
With hydrogenchloride In water; butan-1-ol Reflux; | 94% |
Conditions | Yield |
---|---|
In ethanol for 5h; Reflux; | 94% |
2-thienylhydrazide
[3-(4-Bromo-phenyl)-5-(5-methylamino-pentyl)-pyrazol-1-yl]-thiophen-2-yl-methanone; hydrochloride
Conditions | Yield |
---|---|
In acetonitrile for 0.5h; Heating; | 93% |
2-thienylhydrazide
isothiocyanatocyclohexane
N-cyclohexyl-2-(thiophene-2-carbonyl)hydrazinecarbothioamide
Conditions | Yield |
---|---|
at 80℃; for 12h; | 93% |
In ethanol for 5h; Reflux; | 81% |
In ethanol for 0.5h; Reflux; |
Conditions | Yield |
---|---|
With acetic acid In ethanol at 20℃; for 3h; | 93% |
In ethanol for 8h; Reflux; | 82% |
In ethanol for 8h; Reflux; |
Conditions | Yield |
---|---|
In ethanol for 2h; Reflux; | 92.6% |
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