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Cas:121-29-9
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inquiry1. 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
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inquiryPYRETHRIN 2 CAS: 121-29-9 Molecular Formula: C22H28O5 Home Product Category Chemical pesticide technical Insecticide 121-29-9 121-29-9 - Names and Identifiers Name PYRETHRIN 2 Synonyms ent7,543 PYRETHRIN 2 3b
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inquiryDayangchem'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
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inquiryOur 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
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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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inquiry1. 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
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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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inquirypyrethrin CAS:121-29-9 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 intermediates, s
Cas:121-29-9
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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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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
GMP 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,
Appearance:Solid powder Storage:Sealed,light and oxygen resistant Package:Foil bag or drum Application:Applied in dietary supplements,pharmaceutical or cosmeticeuticals Transportation:by sea or air Port:Beijing or Guangzhou Port
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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
Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment .5) We can do different t
Acmec 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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inquiry2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl [1R-[1alpha[S*(Z)](3beta)-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)-2,2-dimethylcyclopropanecarboxylateAppearance:detailed in specifications Storage:Keep away of light, cool place Package:25kg/drum;20
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inquiryAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Xiamen Luyunjia Trading Co.,Ltd Package:1kg/bag; 4575kg/drum, or as customer's request. Application:Xiamen Luyunjia Trading Co.,Ltd Transportation:DHL, EMS, FedEx, TNT, AIR, SEA Port:Beijing,Shanghai,Guangzhou ,China main port
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inquiryCyclopropanecarboxylicacid, 3-[(1E)-3-methoxy-2-methyl-3-oxo-1-propen-1-yl]-2,2-dimethyl-,(1S)-2-methyl-4-oxo-3-(2Z)-2,4-pentadien-1-yl-2-cyclopenten-1-yl ester,(1R,3R)-Appearance:white crystalline powder Storage:Store in dry, dark and ventilated pla
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inquiry*stable and better quality products*efficient and meticulous servicesAppearance:Powder Storage:Store in dry, cool and ventilated place Package:1kg/tin 5kg/tin 25kg/carton Application:Pharmaceutical raw materials, making injection powder oral agent Tr
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:500mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any po
Appearance:powder or crystal Storage:-20degree Package:10mg,20mg,1g or on request Application:For research use only, like HPLC, Cell Culture, Animal Experiment, High Throughout Screening, etc.. Transportation:room temperature
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Our Advantage 1.Best quality with competitive price. 2.Quick shipping,delivery on time. 3.We have a pharmaceutical raw material production plant and a reagent R&D center. 4.Support multiple trading methods and payment.We support wire transfer
Cas:121-29-9
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inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
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inquiryBaiFuChem is a Professional chemical raw material supplier in China, our main products include Biochemical , Pharma Intermediate and Organic chemical etc. BaiFuChem have wealth of products,experience , expertise and state-of-the-art
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:plant extracts Transportation:Air Port:Shanghai;Guangzhou
With about ten years experiences in the field of pharmaceutical chemicals, Yierdechem has established solid business cooperation relationships with many large companys worldwide.As a leading supplier of API and pharmaceutical intermediates, holds its
Conditions | Yield |
---|---|
With potassium carbonate In methanol; hexane; toluene at 20 - 25℃; for 16h; Inert atmosphere; | 46% |
Pyrethrin II
methyl (1R,3R)-3-formyl-2,2-dimethylcyclopropanecarboxylate
Pyrethrin II
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: pyrrolidine / 1 h / 60 °C 2.1: potassium hydroxide / water; methanol; 5,5-dimethyl-1,3-cyclohexadiene / 16 h / 20 - 25 °C / Inert atmosphere 3.1: 1-methyl-1H-imidazole; p-toluenesulfonyl chloride; N-ethyl-N,N-diisopropylamine / acetonitrile / 0.5 h / 0 - 5 °C / Inert atmosphere 3.2: 2 h / 20 - 25 °C / Inert atmosphere 4.1: sodium dihydrogenphosphate; 2-methyl-but-2-ene; sodium chlorite / water; tert-butyl alcohol / 5 h / 20 - 25 °C 5.1: potassium carbonate / hexane; toluene; methanol / 16 h / 20 - 25 °C / Inert atmosphere View Scheme |
Pyrethrin II
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: hydrogenchloride; zinc / ethanol; water / 16 h / 75 - 80 °C / Inert atmosphere 2.1: 1-methyl-1H-imidazole; p-toluenesulfonyl chloride; N-ethyl-N,N-diisopropylamine / acetonitrile / 0.5 h / 0 - 5 °C / Inert atmosphere 2.2: 2 h / 20 - 25 °C / Inert atmosphere 3.1: sodium dihydrogenphosphate; 2-methyl-but-2-ene; sodium chlorite / water; tert-butyl alcohol / 5 h / 20 - 25 °C 4.1: potassium carbonate / hexane; toluene; methanol / 16 h / 20 - 25 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 1-methyl-1H-imidazole; p-toluenesulfonyl chloride; N-ethyl-N,N-diisopropylamine / acetonitrile / 0.5 h / 0 - 5 °C / Inert atmosphere 1.2: 2 h / 20 - 25 °C / Inert atmosphere 2.1: sodium dihydrogenphosphate; 2-methyl-but-2-ene; sodium chlorite / water; tert-butyl alcohol / 5 h / 20 - 25 °C 3.1: potassium carbonate / hexane; toluene; methanol / 16 h / 20 - 25 °C / Inert atmosphere View Scheme |
ethyl trans-(+/-)-chrysanthemate
Pyrethrin II
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1.1: potassium hydroxide / ethanol; water / 3 h 2.1: (S)-1-(1-Naphthyl)ethylamine / ethanol / 3 h / 20 °C 3.1: ozone / Acidic conditions 4.1: pyrrolidine / 1 h / 60 °C 5.1: potassium hydroxide / water; methanol; 5,5-dimethyl-1,3-cyclohexadiene / 16 h / 20 - 25 °C / Inert atmosphere 6.1: 1-methyl-1H-imidazole; p-toluenesulfonyl chloride; N-ethyl-N,N-diisopropylamine / acetonitrile / 0.5 h / 0 - 5 °C / Inert atmosphere 6.2: 2 h / 20 - 25 °C / Inert atmosphere 7.1: sodium dihydrogenphosphate; 2-methyl-but-2-ene; sodium chlorite / water; tert-butyl alcohol / 5 h / 20 - 25 °C 8.1: potassium carbonate / hexane; toluene; methanol / 16 h / 20 - 25 °C / Inert atmosphere View Scheme |
trans-chrysanthemic acid
Pyrethrin II
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1.1: (S)-1-(1-Naphthyl)ethylamine / ethanol / 3 h / 20 °C 2.1: ozone / Acidic conditions 3.1: pyrrolidine / 1 h / 60 °C 4.1: potassium hydroxide / water; methanol; 5,5-dimethyl-1,3-cyclohexadiene / 16 h / 20 - 25 °C / Inert atmosphere 5.1: 1-methyl-1H-imidazole; p-toluenesulfonyl chloride; N-ethyl-N,N-diisopropylamine / acetonitrile / 0.5 h / 0 - 5 °C / Inert atmosphere 5.2: 2 h / 20 - 25 °C / Inert atmosphere 6.1: sodium dihydrogenphosphate; 2-methyl-but-2-ene; sodium chlorite / water; tert-butyl alcohol / 5 h / 20 - 25 °C 7.1: potassium carbonate / hexane; toluene; methanol / 16 h / 20 - 25 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: ozone / Acidic conditions 2.1: pyrrolidine / 1 h / 60 °C 3.1: potassium hydroxide / water; methanol; 5,5-dimethyl-1,3-cyclohexadiene / 16 h / 20 - 25 °C / Inert atmosphere 4.1: 1-methyl-1H-imidazole; p-toluenesulfonyl chloride; N-ethyl-N,N-diisopropylamine / acetonitrile / 0.5 h / 0 - 5 °C / Inert atmosphere 4.2: 2 h / 20 - 25 °C / Inert atmosphere 5.1: sodium dihydrogenphosphate; 2-methyl-but-2-ene; sodium chlorite / water; tert-butyl alcohol / 5 h / 20 - 25 °C 6.1: potassium carbonate / hexane; toluene; methanol / 16 h / 20 - 25 °C / Inert atmosphere View Scheme |
(S)-4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-ene-1-one
Pyrethrin II
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine / toluene / 16 h / 20 - 25 °C / Inert atmosphere 2.1: hydrogenchloride; zinc / ethanol; water / 16 h / 75 - 80 °C / Inert atmosphere 3.1: 1-methyl-1H-imidazole; p-toluenesulfonyl chloride; N-ethyl-N,N-diisopropylamine / acetonitrile / 0.5 h / 0 - 5 °C / Inert atmosphere 3.2: 2 h / 20 - 25 °C / Inert atmosphere 4.1: sodium dihydrogenphosphate; 2-methyl-but-2-ene; sodium chlorite / water; tert-butyl alcohol / 5 h / 20 - 25 °C 5.1: potassium carbonate / hexane; toluene; methanol / 16 h / 20 - 25 °C / Inert atmosphere View Scheme |
methyl (1R)-trans-2,2-dimethyl-3-[(E)-2-methyl-3-oxo-1-propenyl]cyclopropanecarboxylate
Pyrethrin II
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: potassium hydroxide / water; methanol; 5,5-dimethyl-1,3-cyclohexadiene / 16 h / 20 - 25 °C / Inert atmosphere 2.1: 1-methyl-1H-imidazole; p-toluenesulfonyl chloride; N-ethyl-N,N-diisopropylamine / acetonitrile / 0.5 h / 0 - 5 °C / Inert atmosphere 2.2: 2 h / 20 - 25 °C / Inert atmosphere 3.1: sodium dihydrogenphosphate; 2-methyl-but-2-ene; sodium chlorite / water; tert-butyl alcohol / 5 h / 20 - 25 °C 4.1: potassium carbonate / hexane; toluene; methanol / 16 h / 20 - 25 °C / Inert atmosphere View Scheme |
Pyrethrin II
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 1-methyl-1H-imidazole; p-toluenesulfonyl chloride; N-ethyl-N,N-diisopropylamine / acetonitrile / 0.5 h / 0 - 5 °C / Inert atmosphere 1.2: 2 h / 20 - 25 °C / Inert atmosphere 2.1: sodium dihydrogenphosphate; 2-methyl-but-2-ene; sodium chlorite / water; tert-butyl alcohol / 5 h / 20 - 25 °C 3.1: potassium carbonate / hexane; toluene; methanol / 16 h / 20 - 25 °C / Inert atmosphere View Scheme |
Pyrethrin II
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium dihydrogenphosphate; 2-methyl-but-2-ene; sodium chlorite / water; tert-butyl alcohol / 5 h / 20 - 25 °C 2: potassium carbonate / hexane; toluene; methanol / 16 h / 20 - 25 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 9 steps 1.1: sodium hydride / mineral oil / 3 h / Inert atmosphere 2.1: potassium hydroxide / ethanol; water / 3 h 3.1: (S)-1-(1-Naphthyl)ethylamine / ethanol / 3 h / 20 °C 4.1: ozone / Acidic conditions 5.1: pyrrolidine / 1 h / 60 °C 6.1: potassium hydroxide / water; methanol; 5,5-dimethyl-1,3-cyclohexadiene / 16 h / 20 - 25 °C / Inert atmosphere 7.1: 1-methyl-1H-imidazole; p-toluenesulfonyl chloride; N-ethyl-N,N-diisopropylamine / acetonitrile / 0.5 h / 0 - 5 °C / Inert atmosphere 7.2: 2 h / 20 - 25 °C / Inert atmosphere 8.1: sodium dihydrogenphosphate; 2-methyl-but-2-ene; sodium chlorite / water; tert-butyl alcohol / 5 h / 20 - 25 °C 9.1: potassium carbonate / hexane; toluene; methanol / 16 h / 20 - 25 °C / Inert atmosphere View Scheme |
Pyrethrin II
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran at 20℃; for 4h; | 97% |
Pyrethrin II
Conditions | Yield |
---|---|
With L-Selectride In tetrahydrofuran at 0℃; for 1h; Inert atmosphere; stereoselective reaction; | 20% |
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In dichloromethane for 1.5h; | A 19% B 7% |
Pyrethrin II
Conditions | Yield |
---|---|
With formic acid; palladium 10% on activated carbon In tetrahydrofuran for 5h; Inert atmosphere; Reflux; | A 19% B 14% |
Conditions | Yield |
---|---|
Stage #1: Pyrethrin II With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran for 5h; Inert atmosphere; Stage #2: acetic acid In tetrahydrofuran for 1h; Inert atmosphere; Reflux; | A n/a B n/a C 19% |
Pyrethrin II
(-) trans-chrysanthemum dicarboxylic acid
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol Hydrolysis; |
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile) In benzene at 64℃; for 24h; | A n/a B 14 mg |
Pyrethrin II
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 1.5 h 2: water; sulfuric acid / methanol / 1 h / 20 °C View Scheme |
Pyrethrin II
Conditions | Yield |
---|---|
With sodium tetrahydroborate In tetrahydrofuran; methanol at 0℃; for 3h; | A 40 mg B 163 mg |
Pyrethrin II
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 9-bora-bicyclo[3.3.1]nonane / tetrahydrofuran / 5 h / Inert atmosphere 1.2: 1 h / Inert atmosphere; Reflux 2.1: triethylamine / dichloromethane / 4.5 h / Inert atmosphere; Reflux View Scheme | |
Multi-step reaction with 2 steps 1: L-Selectride / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere 2: triethylamine / dichloromethane / 4.5 h / Inert atmosphere; Reflux View Scheme | |
Multi-step reaction with 2 steps 1: sodium tetrahydroborate / tetrahydrofuran; methanol / 3 h / 0 °C 2: triethylamine / dichloromethane / 4.5 h / Inert atmosphere; Reflux View Scheme |
Pyrethrin II
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium tetrahydroborate / tetrahydrofuran; methanol / 3 h / 0 °C 2: triethylamine / dichloromethane / 4.5 h / Inert atmosphere; Reflux View Scheme |
Pyrethrin II
A
(S)-2-methyl-4-oxo-3-((Z)-pent-2-en-1-yl)cyclopent-2-en-1-yl (1R,3R)-3-((E)-3-methoxy-2-methyl-3-oxoprop-1-en-1-yl)-2,2-dimethylcyclopropane-1-carboxylate
Conditions | Yield |
---|---|
With copper(ll) sulfate pentahydrate; hydrazine hydrate; acetic acid In tetrahydrofuran | A 66 %Chromat. B 26 %Chromat. |
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