1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid CAS 113100-53-1 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its
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inquiryAs 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
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inquiryTianfu Chemical, built in 2009, is a professional supplier for API materials in China. With 10 years development, we have bulit our own factory and lab to produce a certain of products. And we have established stable business relationships with ma
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inquiryProduct Description Product website: http://www.finerchem.com Product Name 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid CAS No.
Cas:113100-53-1
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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
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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
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inquiryName: 1-Methyl-3-trifluoromethyl-4-pyrazolecarboxylic Acid Molecular Formula:C6H5N2O2 F3 Molecular Weight:194.1113 CAS No.:113100-53-1 Appearance:Similar White Solid Appearance:Similar White Solid Storage:Store in cool and dry place, away from su
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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
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inquiryProduct Name: 1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLIC ACID CAS: 113100-53-1 MF: C6H5F3N2O2 MW: 194.11 EINECS: 601-232-0 Mol File: 113100-53-1.mol 1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLIC ACID Structure 1
Cas:113100-53-1
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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
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inquiryBest 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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inquiryHangzhou 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
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inquiryCompany 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
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inquiryA 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
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inquiry1. Product advantages: exquisite appearance and unique functions. 2. Product Advantages: Our products are the best,fast speed ,in large stock 3. High-quality products and thoughtful service are your greatest satisfaction. 4. The product
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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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inquiryMassive 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
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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:113100-53-1
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inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
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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
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inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:113100-53-1
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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
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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
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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inquirySAGECHEM 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
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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
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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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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
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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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inquiry1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With sodium periodate; rhodium(III) chloride hydrate In tetrachloromethane; water; acetonitrile at 20℃; for 0.25h; | 100% |
ethyl 3-(trifluoromethyl)-1-methyl-1H-pyrazole-4-carboxylate
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide In water at 60℃; | 95% |
With sodium hydroxide In ethanol at 85℃; for 0.5h; | 90% |
With lithium hydroxide In tetrahydrofuran at 70℃; for 2h; pH=5; | 89.2% |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With bromine; sodium hydroxide In water at 10 - 15℃; for 3h; Cooling with ice; | 95% |
With bromine; sodium hydroxide In water at 10 - 15℃; for 3h; | 95% |
With dihydrogen peroxide; trifluoroacetic acid In chloroform at 0 - 70℃; for 5h; |
1-Methyl-3-(trifluoromethyl)-4-trifluoroacetylpyrazole
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol for 4h; Ambient temperature; | 93% |
carbon dioxide
4-bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 4-bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole With tert.-butyl lithium In diethyl ether; pentane at -75℃; for 0.0833333h; Stage #2: carbon dioxide Further stages.; | 85% |
3-piperidin-1-yl-acrylic acid methyl ester
trifluoroacetyl fluoride
methylhydrazine
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 3-piperidin-1-yl-acrylic acid methyl ester; trifluoroacetyl fluoride With potassium fluoride In toluene at -30 - 20℃; for 4h; Stage #2: methylhydrazine In toluene at -50 - 20℃; for 3h; | 81% |
1-methyl-3-trifluoromethylpyrazol
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 65 percent / bromine; iron powder / 4 h / 100 °C 2: 85 percent / tert-butyllithium / pentane; diethyl ether / 0.08 h / -75 °C View Scheme |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 100 percent / acetonitrile / 0.5 h / Ambient temperature 2: 76 percent / CF3COOH, H2O / CHCl3 / 3 h / Ambient temperature 3: 93 percent / sat. aq. KOH / ethanol / 4 h / Ambient temperature View Scheme | |
Multi-step reaction with 2 steps 1: 73 percent / acetonitrile / 1 h / Ambient temperature 2: 93 percent / sat. aq. KOH / ethanol / 4 h / Ambient temperature View Scheme |
benzaldehyde N-<β,β-bis(trifluoroacetyl)vinyl>methylhydrazone
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 76 percent / CF3COOH, H2O / CHCl3 / 3 h / Ambient temperature 2: 93 percent / sat. aq. KOH / ethanol / 4 h / Ambient temperature View Scheme |
3-dimethylaminomethylene-1,1,1,5,5,5-hexafluoropentane-2,4-dione
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 97 percent / acetonitrile / 1 h / Ambient temperature 2: 93 percent / sat. aq. KOH / ethanol / 4 h / Ambient temperature View Scheme |
4-Ethylthio-1,1,1-trifluoro-3-(trifluoroacetyl)-3-buten-2-one
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 93 percent / acetonitrile / 1 h / Ambient temperature 2: 93 percent / sat. aq. KOH / ethanol / 4 h / Ambient temperature View Scheme |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonitrile
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With water; sodium hydroxide In methanol at 75℃; for 4h; Product distribution / selectivity; | > 99 %Chromat. |
ethyl 3-trifluoromethyl-1H-pyrazole-4-carboxylate
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium hydride / N,N-dimethyl-formamide / 20.33 h / 0 - 20 °C 2: lithium hydroxide / tetrahydrofuran / 2 h / 70 °C / pH 5 View Scheme | |
Multi-step reaction with 2 steps 1: sodium hydrogencarbonate / toluene / 20 - 50 °C 2: sodium hydroxide / ethanol; water / 2 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: sodium hydride / N,N-dimethyl-formamide / 20 h / 0 - 20 °C 2: sodium hydroxide / ethanol / 0.5 h / 85 °C View Scheme |
ethyl 2-(ethoxymethylidene)-4,4,4-trifluoro-3-oxobutanoate
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: hydrazine hydrate / methanol / 3 h / 80 °C 2: sodium hydride / N,N-dimethyl-formamide / 20.33 h / 0 - 20 °C 3: lithium hydroxide / tetrahydrofuran / 2 h / 70 °C / pH 5 View Scheme | |
Multi-step reaction with 3 steps 1: hydrazine hydrate / ethanol / 20 °C / Cooling with ice 2: sodium hydrogencarbonate / toluene / 20 - 50 °C 3: sodium hydroxide / ethanol; water / 2 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: ethyl acetate / 4 h / 5 °C / Reflux 2: potassium hydroxide; hydrogenchloride / water / pH 1 View Scheme |
ethyl 5-(trifluoromethyl)-1-methyl-1H-pyrazole-4-carboxylate
ethyl 3-(trifluoromethyl)-1-methyl-1H-pyrazole-4-carboxylate
A
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
B
1-methyl-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: ethyl 5-(trifluoromethyl)-1-methyl-1H-pyrazole-4-carboxylate; ethyl 3-(trifluoromethyl)-1-methyl-1H-pyrazole-4-carboxylate With sodium hydroxide In water for 3h; Reflux; Stage #2: With hydrogenchloride In water; toluene for 1h; Cooling with ice; Overall yield = 0.28 g; |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium carbonate / tetrahydrofuran / 12 h / 40 °C 2: sodium periodate; rhodium(III) chloride hydrate / water; tetrachloromethane; acetonitrile / 0.25 h / 20 °C View Scheme |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: water; 5,5-dimethyl-1,3-cyclohexadiene / 1 h / 0 - 25 °C 2: pyridine; hydrogen fluoride / 125 - 155 °C View Scheme |
A
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
B
1-methyl-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With pyridine; hydrogen fluoride at 125 - 155℃; | A 119.75 mg B n/a |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: ethyl acetate / 4 h / 5 °C / Reflux 2: potassium permanganate; water / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: ethyl acetate / 4 h / 5 °C / Reflux 2: potassium permanganate / water / 20 °C / pH 1 View Scheme | |
Multi-step reaction with 2 steps 1: ethanol / 8 h / 60 °C / Cooling with ice 2: potassium hydroxide / ethanol / 24 h / 20 °C View Scheme |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dichloromethane; water / 1 h / -25 - -20 °C 2: sodium hydroxide; bromine / water / 3 h / 10 - 15 °C View Scheme |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
1-methyl-3-trifluoromethyl-1H-pyrazole-4-carbonyl chloride
Conditions | Yield |
---|---|
With phosphorus pentachloride In diethyl ether at 20℃; | 100% |
With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; | 99% |
With thionyl chloride; N,N-dimethyl-formamide In 1,2-dichloro-ethane for 5h; Reflux; | 90% |
diethyl aminomalonate hydrochloride
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
2-[(1-methyl-3-trifluoromethyl-1H-pyrazol-4-carbonyl)-amino]-malonic acid diethyl ester
Conditions | Yield |
---|---|
With bis(2-oxo-3-oxazolidinyl)phosphoric acid chloride; triethylamine In tetrahydrofuran; dichloromethane at 0 - 20℃; for 16h; | 88.1% |
methyl 2'-amino-3,5'-difluorobiphenyl-4-carboxylate
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
methyl 3,5'-difluoro-2'-({[1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]carbonyl}amino)-biphenyl-4-carboxylate
Conditions | Yield |
---|---|
Stage #1: 1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid With oxalyl dichloride In dichloromethane; water; N,N-dimethyl-formamide at 20℃; for 2h; Stage #2: methyl 2'-amino-3,5'-difluorobiphenyl-4-carboxylate With triethylamine In dichloromethane; N,N-dimethyl-formamide at 20℃; for 16h; | 87% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 79% |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
methyl (E)-2-(2-bromomethylphenyl)-3-methoxyacrylate
Conditions | Yield |
---|---|
Stage #1: 1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h; Stage #2: methyl (E)-2-(2-bromomethylphenyl)-3-methoxyacrylate In N,N-dimethyl-formamide at 20℃; for 10h; | 78.7% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 76% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 74% |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 70% |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With pyridine; propylphosphonic anhydride In ethyl acetate; acetonitrile at 100℃; Sealed tube; | 70% |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 85℃; | 69.3% |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With bis-(2-oxo-3-oxazolidinyl)phosphoryl chloride; triethylamine In dichloromethane at 20℃; for 23h; | 69% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 65% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 62% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 62% |
2-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]-2-methyl-1-propanamine hydrochloride
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With triethylamine; 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride In methanol at 20℃; | 59% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 59% |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; Inert atmosphere; Darkness; | 58% |
2-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]-1-butanamine
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride In ethanol at 20℃; | 57% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 56% |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 50 - 60℃; | 55% |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 50 - 60℃; | 55% |
glycine ethyl ester hydrochloride
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
ethyl (1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl) glycinate
Conditions | Yield |
---|---|
With bis-(2-oxo-3-oxazolidinyl)phosphoryl chloride; triethylamine In tetrahydrofuran; dichloromethane at 0 - 20℃; for 19h; | 54% |
With bis-(2-oxo-3-oxazolidinyl)phosphoryl chloride; triethylamine In tetrahydrofuran; dichloromethane at 0 - 20℃; | 54% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 51% |
1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
1,1-dimethylhydrazine
Conditions | Yield |
---|---|
Stage #1: 1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid With triethylamine In dichloromethane at 20℃; for 0.0833333h; Stage #2: N,N-Dimethylhydrazine With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide In tetrahydrofuran; dichloromethane at 20℃; for 0.5h; | 50% |
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