Dayangchem's 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. DayangChem can provide different quantities
Cas:2654-57-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome 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
Cas:2654-57-1
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquirygood quality Appearance:white powder Storage:cold storage Package:meet the demand of customer Application:diagnostic reagent Transportation:by sea or by air Port:shanghai
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
Cas:2654-57-1
Min.Order:1
Negotiable
Type:Other
inquiryOur 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
Cas:2654-57-1
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:2654-57-1
Min.Order:1 Kilogram
FOB Price: $100.0 / 150.0
Type:Trading Company
inquiryWITH 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
Cas:2654-57-1
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developmen
Cas:2654-57-1
Min.Order:20 Kilogram
FOB Price: $10.0 / 100.0
Type:Trading Company
inquiry1.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
Cas:2654-57-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1-Phenyl-4-methyl-3-pyrazolidone CAS:2654-57-1 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
Cas:2654-57-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:2654-57-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur 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
Cas:2654-57-1
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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
Cas:2654-57-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:2654-57-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryZibo 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
Cas:2654-57-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe 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
Cas:2654-57-1
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so
Cas:2654-57-1
Min.Order:1 Metric Ton
FOB Price: $5000.0
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Cas:2654-57-1
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiry1-Phenyl-4-methyl-3-pyrazolidone Basic information Product Name: 1-Phenyl-4-methyl-3-pyrazolidone Synonyms: PYRAZOLIDONE B;PHENIDONE B;1-Phenyl-4-methyl-3-pyrazolido;4-methyl-1-phenyl-3-pyrazolidinon;AKOS B028768;4-METHYL-1-PHENYLPYRAZOLIDIN-3
Cas:2654-57-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryfactory?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
Cas:2654-57-1
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong 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
Cas:2654-57-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.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
Cas:2654-57-1
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryWe 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
Cas:2654-57-1
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryLower 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
Cas:2654-57-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Shanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is
Cas:2654-57-1
Min.Order:100 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
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
bulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical
Cas:2654-57-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With sodium ethanolate |
methacrylic acid methyl ester
phenylhydrazine
4-methyl-1-phenyl-1H-pyrazolidin-3-one
Conditions | Yield |
---|---|
With acetic acid at 150℃; | |
With sodium ethanolate |
methacrylic acid methyl ester
phenylhydrazine
A
4-methyl-1-phenyl-1H-pyrazolidin-3-one
B
4-methyl-2-phenyl-pyrazolidin-3-one
4-methyl-1-phenyl-1H-pyrazolidin-3-one
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; sodium carbonate In acetone | 35 mg |
2-allyl-4-methyl-1-phenyl-pyrazolidin-3-one
4-methyl-1-phenyl-1H-pyrazolidin-3-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 87 percent / [(PCy3)2Cl2Ru=CHPh] / toluene / 110 °C 2: NaIO4; aq. RuCl3 / 1,2-dichloro-ethane / 20 °C 3: 35 mg / aq. NaHCO3; Na2CO3 / acetone View Scheme |
C13H16N2O
4-methyl-1-phenyl-1H-pyrazolidin-3-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaIO4; aq. RuCl3 / 1,2-dichloro-ethane / 20 °C 2: 35 mg / aq. NaHCO3; Na2CO3 / acetone View Scheme |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
N-cyclopentyl-O-benzoylhydroxylamine
Conditions | Yield |
---|---|
With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; cesium acetate; Trimethylacetic acid In toluene at 20℃; | 96% |
Conditions | Yield |
---|---|
With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; palladium diacetate; sodium carbonate In 1,2-dichloro-ethane at 100℃; for 2h; Sealed tube; | 95% |
With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; sodium acetate In chlorobenzene at 110℃; for 18h; Schlenk technique; Inert atmosphere; regioselective reaction; | 93% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
4-methyl-1-phenyl-1,2-dihydro-3H-pyrazol-3-one
Conditions | Yield |
---|---|
With sodium anthraquinone-2-sulfonate; palladium diacetate; potassium carbonate In chlorobenzene at 110℃; for 6h; | 93% |
With trifluoro-N-(oxo-λ4-sulfanylidene)methanesulfonamide In dichloromethane at 20℃; Inert atmosphere; | 88% |
With iron(III) chloride |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
1-(2-phenylethynyl)-1-cyclobutanol
Conditions | Yield |
---|---|
With copper(l) iodide; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; sodium carbonate In 1,2-dichloro-ethane at 50℃; for 12h; Inert atmosphere; | 91% |
With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; sodium acetate In dichloromethane at 60℃; for 8h; | 45% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
allyl bromide
2-allyl-4-methyl-1-phenyl-pyrazolidin-3-one
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran at 20℃; | 89% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
carbon monoxide
2-(2-iodophenyl)acetonitrile
3-methyl-9-oxo-1-phenyl-1,2,3,9-tetrahydro-pyrazolo[1,5-b]isoquinoline-4-carbonitrile
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; caesium carbonate; triphenylphosphine In tetrahydrofuran at 80℃; under 5171.62 Torr; for 4h; | 84% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
ethyl 1,1-dimethyl-3-phenylpropargyl acetate
Conditions | Yield |
---|---|
With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; sodium acetate In 1,2-dichloro-ethane at 100℃; for 12h; | 82% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
carbon monoxide
8-methyl-5-oxo-6-phenyl-5,6,7,8-tetrahydro-1,3-dioxa-5a,6-diazadicyclopenta[b,g]naphthalene-9-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; caesium carbonate; triphenylphosphine In tetrahydrofuran at 80℃; under 5171.62 Torr; for 4h; | 72% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
1-(2-phenylethynyl)-1-cyclobutanol
Conditions | Yield |
---|---|
With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; sodium carbonate In tetrahydrofuran at 100℃; for 2h; | 71% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
carbon monoxide
ethyl 2-(2-iodophenyl)acetate
3-methyl-9-oxo-1-phenyl-1,2,3,9-tetrahydro-pyrazolo[1,5-b]isoquinoline-4-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; caesium carbonate; triphenylphosphine In tetrahydrofuran at 80℃; under 5171.62 Torr; for 4h; | 70% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
carbon monoxide
ethyl 2-(2-iodo-4,5-dimethoxyphenyl)acetate
6,7-dimethoxy-3-methyl-9-oxo-1-phenyl-1,2,3,9-tetrahydropyrazolo[1,5-b]isoquinoline-4-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; caesium carbonate; triphenylphosphine In tetrahydrofuran at 80℃; under 5171.62 Torr; for 4h; | 65% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
carbon monoxide
2-benzenesulfonylmethyl-4-bromo-1-iodo-benzene
4-benzenesulfonyl-6-bromo-3-methyl-1-phenyl-2,3-dihydro-1H-pyrazolo[1,5-b]isoquinolin-9-one
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; caesium carbonate; triphenylphosphine In tetrahydrofuran at 80℃; under 5171.62 Torr; for 4h; | 61% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
carbon monoxide
2-(2-iodo-3,4-methylenedioxyphenyl)acetonitrile
8-methyl-5-oxo-6-phenyl-5,6,7,8-tetrahydro-1,3-dioxa-5a,6-diazadicyclopenta[b,g]naphthalene-9-carbonitrile
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; caesium carbonate; triphenylphosphine In tetrahydrofuran at 80℃; under 5171.62 Torr; for 4h; | 61% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
Conditions | Yield |
---|---|
With trichlorophosphate In toluene at 70℃; | 58% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
carbon monoxide
1-iodo-2-(phenylsulfonylmethyl)benzene
4-benzenesulfonyl-3-methyl-1-phenyl-2,3-dihydro-1H-pyrazolo[1,5-b]isoquinolin-9-one
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; caesium carbonate; triphenylphosphine In tetrahydrofuran at 80℃; under 5171.62 Torr; for 4h; | 58% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
benzoyl chloride
benzoic acid 4-methyl-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl ester
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 12h; Acylation; | 53% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
carbon monoxide
1-bromo-2-(phenylsulfonylmethyl)naphthalene
7-benzenesulfonyl-8-methyl-10-phenyl-9,10-dihydro-8H-10,10a-diazacyclopenta[b]phenanthren-11-one
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; tri tert-butylphosphoniumtetrafluoroborate In toluene at 110℃; under 10343.2 Torr; for 24h; | 50% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
3-hydroxy-4-methyl-1-(4-nitro-phenyl)-1H-pyrazole
Conditions | Yield |
---|---|
Stage #1: 4-methyl-1-phenyl-1H-pyrazolidin-3-one With sulfuric acid at -5℃; for 0.0833333h; Stage #2: With nitric acid In water at -20 - -5℃; for 1h; | 40% |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
2-Bromoethyl methyl ether
4-Methoxymethyl-4-methyl-1-phenyl-pyrazolidin-3-one
Conditions | Yield |
---|---|
With n-butyllithium; N,N,N,N,-tetramethylethylenediamine 1.) THF, hexane, from -78 deg C to 0 deg C, 2.5 h, 2.) THF, -78 deg C, 2 h; Yield given. Multistep reaction; |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
B
4-methyl-1-phenyl-1,2-dihydro-3H-pyrazol-3-one
Conditions | Yield |
---|---|
In acetonitrile 0.6V, 0.1M-Et4NBF4 electrolyte, other electrolyte, other potential; | A 0.1 g B 0.1 g |
Conditions | Yield |
---|---|
at 130 - 150℃; Acylation; |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran Acylation; |
Conditions | Yield |
---|---|
at 130 - 150℃; Acylation; |
4-methyl-1-phenyl-1H-pyrazolidin-3-one
benzoic acid anhydride
benzoic acid 4-methyl-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl ester
Conditions | Yield |
---|---|
at 50℃; Acylation; |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran Acylation; |
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