Best factory of high quality 3,4-(methylenedioxy)propiophenone 28281-49-4 with competitive price Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufact
Cas:28281-49-4
Min.Order:1 Gram
Negotiable
Type:Other
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
Cas:28281-49-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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 developm
Cas:28281-49-4
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Manufacturers
inquiryThe 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:28281-49-4
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:28281-49-4
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:28281-49-4
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Trading Company
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 email in time prod
Cas:28281-49-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:28281-49-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several
Cas:28281-49-4
Min.Order:25 Kilogram
FOB Price: $53.0 / 55.0
Type:Trading Company
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:28281-49-4
Min.Order:1 Kilogram
FOB Price: $80.0 / 100.0
Type:Lab/Research institutions
inquiryOur Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good qual
Cas:28281-49-4
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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 have s
Cas:28281-49-4
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryWe have overseas warehouses in California, New Laredo Mexico, Vancouver Canada, Amsterdam Netherlands, and Melbourne Australia. Overseas warehouses can provide some of the best-selling products. We look forward to the cooperation of local powerful d
Cas:28281-49-4
Min.Order:1 Metric Ton
Negotiable
Type:Trading Company
inquiry3,4-(METHYLENEDIOXY)PROPIOPHENONE CAS 28281-49-4 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a stric
Cas:28281-49-4
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
Type:Trading Company
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
A 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
Cas:28281-49-4
Min.Order:4 Kilogram
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:28281-49-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. We can provide customers with "one-stop"packaging service,from research,development,production,export and so on 2. Powerful R&D strength let our technology in a leading level,forever,in turn,to provide customers with better service .
Cas:28281-49-4
Min.Order:100 Gram
FOB Price: $10.0 / 100.0
Type:Trading Company
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Cas:28281-49-4
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
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,
Cas:28281-49-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
Cas:28281-49-4
Min.Order:0
Negotiable
Type:Trading Company
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:28281-49-4
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Cas:28281-49-4
Min.Order:0
Negotiable
Type:Trading Company
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:28281-49-4
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
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:28281-49-4
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:28281-49-4
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:28281-49-4
Min.Order:0
Negotiable
Type:Manufacturers
inquiryGOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
We 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:28281-49-4
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:28281-49-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With NaY-supported PhI(OAc)2 at 130℃; for 0.0833333h; Solvent; Concentration; Temperature; Time; Microwave irradiation; | A 91% B 9% |
1-piperonyl-1-propanol
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With pyridinium chlorochromate In dichloromethane at 20℃; for 16h; | 89% |
With pyridinium chlorochromate In dichloromethane at 20℃; for 16h; | 89% |
With chromium(VI) oxide; sulfuric acid In water; acetone at 0 - 20℃; for 3h; | 64.06% |
With potassium dichromate | |
With pyridinium chlorochromate In dichloromethane at 20℃; for 6h; |
Methylenedioxybenzene
propionic acid anhydride
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With methanesulfonic acid at 0 - 5℃; for 4h; Concentration; | 89% |
perchloric acid at 0 - 20℃; for 3h; | 34.5 g |
With aluminum (III) chloride; carbonic acid dimethyl ester at 20℃; Friedel-Crafts Acylation; | |
With trifluoroacetic acid In dichloromethane at 0 - 20℃; for 24h; |
Conditions | Yield |
---|---|
With pivalaldehyde In tetrahydrofuran at 0 - 20℃; for 2h; Inert atmosphere; | 82% |
Conditions | Yield |
---|---|
With pivalaldehyde; lithium chloride; magnesium bromide In tetrahydrofuran; toluene at 0 - 20℃; for 2h; Inert atmosphere; | 80% |
2-Bromo-1-<3,4-(methylenedioxy)phenyl>-1-propanol
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With potassium carbonate; palladium diacetate; tris-(o-tolyl)phosphine In benzene at 80℃; for 3h; | 75% |
With potassium carbonate; palladium diacetate; tris-(o-tolyl)phosphine In benzene at 100℃; for 5h; | 75% |
dihydrosafrole
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With formic acid; water; 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,4-dioxane at 110 - 120℃; for 0.266667h; microwave irradiation; | 73% |
ethylmagnesium bromide
piperonylonitrile
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
Stage #1: ethylmagnesium bromide; piperonylonitrile In tetrahydrofuran at 20℃; Cooling with ice; Stage #2: With sulfuric acid; water In tetrahydrofuran Cooling with ice; | 73% |
isosafrole
A
1-(1,3-benzodioxol-5-yl)-2-propanone
B
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With oxygen; copper(l) chloride; palladium dichloride In water; N,N-dimethyl-formamide at 50℃; for 10h; | A 18% B 66% |
With oxygen; copper(l) chloride; palladium dichloride In water; N,N-dimethyl-formamide at 50℃; for 10h; Product distribution; Reagents; | A 60% B 18% |
1'-hydroxysafrole
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran at 20℃; Schlenk technique; Inert atmosphere; | 65% |
1-(benzo[d][1,3]dioxol-6-yl)ethanone
N,N-dimethyl-formamide
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With ammonium peroxydisulfate; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer In water at 110℃; for 3h; Inert atmosphere; Sealed tube; | 63% |
Methylenedioxybenzene
propionyl chloride
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With tin(IV) chloride In dichloromethane at 20℃; for 1h; | 58% |
With zinc(II) oxide; zinc(II) chloride In dichloromethane at 0 - 5℃; for 5h; Reagent/catalyst; Solvent; | 311 g |
With aluminum (III) chloride In dichloromethane Friedel-Crafts Acylation; |
isosafrole
A
piperonal
B
Piperonylic acid
C
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With PhI(OAc)2/Al2O3 at 140℃; for 0.5h; Microwave irradiation; | A 57% B 31% C 12% |
isosafrole
A
piperonal
B
3,4-methylenedioxypropiophenone
C
5-(3-methyl-oxiranyl)-benzo[1,3]dioxole
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene In dichloromethane at 50℃; for 0.0833333h; Time; Temperature; Solvent; Microwave irradiation; | A 29% B 15% C 55% |
dihydrosafrole
acetic acid
A
3,4-methylenedioxypropiophenone
B
1-(3,4-dioxymethylenephenyl)propyl acetate
C
isosafrole
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone | A 17% B 39% C 10% |
dihydrosafrole
acetic acid
A
3,4-methylenedioxypropiophenone
B
1-(3,4-dioxymethylenephenyl)propyl acetate
Conditions | Yield |
---|---|
With potassium permanganate sonication; | A 32% B 16% |
Diazoethan
piperonal
diethyl ether
ethanol
3,4-methylenedioxypropiophenone
piperonal
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With Diazoethan; diethyl ether; ethanol | |
Multi-step reaction with 2 steps 1: tetrahydrofuran; diethyl ether / -78 - 20 °C 2: pyridinium chlorochromate / dichloromethane / 6 h / 20 °C View Scheme |
5-(1,2-dibromo-propyl)-benzo[1,3]dioxole
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With sodium methylate Erwaermen des Reaktionsprodukts mit Salzsaeure; | |
With sodium methylate Erwaermen des Reaktionsprodukts mit Salzsaeure; |
3',4'-dihydroxypropiophenone
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With potassium hydroxide; dichloromethane at 120℃; |
piperonylonitrile
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With diethyl ether; ethylmagnesium bromide Erwaermen des erhaltenen 1-Benzo<1,3>dioxol-5-yl-propan-1-on-imins mit wss. Salzsaeure; |
isosafrole
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With phosphorus pentachloride Zerlegung des Produkts mit Wasser und Kochen des mit Wasserdampf ueberdestillierten Oels mit alkoholischer Kalilauge; |
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With sulfuric acid |
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With chromium(III) oxide; sulfuric acid |
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With hydrogenchloride |
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With hydrogenchloride |
5-(prop-1-yn-1-yl)benzo[d][1,3]dioxole
sulfuric acid
3,4-methylenedioxypropiophenone
phosphorus pentachloride
isosafrole
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
Zerlegung des Reaktionsprodukts mit Wasser und Kochen des mit Wasserdampf destillierten Oels mit alkoh. Kalilauge; |
hydrogenchloride
1ξ-ethoxy-1ξ-benzo[1,3]dioxol-5-yl-propene
3,4-methylenedioxypropiophenone
1-piperonyl-1-propanol
3,4-methylenedioxypropiophenone
3,4-methylenedioxypropiophenone
1-piperonyl-1-propanol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In isopropyl alcohol at 20℃; for 18h; | 97.1% |
With lithium aluminium tetrahydride In diethyl ether for 0.5h; Heating; | 90% |
With lithium aluminium tetrahydride In diethyl ether for 24h; Heating; | 90 mg |
3,4-methylenedioxypropiophenone
(S)-(-)-α-ethyl-3,4-methylenedioxybenzyl alcohol
Conditions | Yield |
---|---|
With dimethylsulfide; dimethylsulfide borane complex; (R)-2-methyl-(CBS)-oxazaborolidine In dichloromethane; toluene at 20℃; for 4h; | 97% |
With dimethylsulfide; dimethylsulfide borane complex; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole In dichloromethane; toluene at 20℃; for 4h; Corey-Bakshi-Shibata reduction; | 97% |
Conditions | Yield |
---|---|
Stage #1: N,N-dimethyl-formamide With trichlorophosphate at 15 - 20℃; for 2.5h; Vilsmeier Formylation; Stage #2: 3,4-methylenedioxypropiophenone In DMF (N,N-dimethyl-formamide) at 35℃; for 6h; Vilsmeier Formylation; Stage #3: With sodium hydroxide; water In DMF (N,N-dimethyl-formamide); toluene at 20 - 25℃; for 7h; Product distribution / selectivity; | 97% |
methanol
3,4-methylenedioxypropiophenone
(±)-1-(benzo[d][1,3]dioxol-5-yl)-2-methylpropan-1-one
Conditions | Yield |
---|---|
With C34H27IrN2P(1+)*C32H12BF24(1-); caesium carbonate at 65℃; for 24h; Inert atmosphere; | 91% |
3,4-methylenedioxypropiophenone
1-(3,4-(methylenedioxy)phenyl)-2-bromopropan-1-one
Conditions | Yield |
---|---|
With bromine In chloroform at 0℃; | 87% |
With bromine In diethyl ether for 0.5h; Inert atmosphere; | 82% |
With dichloromethane; bromine |
3,4-methylenedioxypropiophenone
1-(4-(benzyloxy)-3-methoxyphenyl)-2-bromopropan-1-one
Conditions | Yield |
---|---|
Stage #1: 3,4-methylenedioxypropiophenone With potassium hexamethylsilazane In N,N-dimethyl-formamide; toluene at -45℃; for 1h; Stage #2: 1-(4-(benzyloxy)-3-methoxyphenyl)-2-bromopropan-1-one In N,N-dimethyl-formamide; toluene at -45℃; | 86% |
3,4-methylenedioxypropiophenone
5-propionyloxy-benzo[1,3]dioxole
Conditions | Yield |
---|---|
With formic acid; dihydrogen peroxide In dichloromethane; water for 6h; | 85% |
With formic acid; dihydrogen peroxide In dichloromethane; water at 47℃; for 12h; Heating / reflux; | 94.5 %Chromat. |
Conditions | Yield |
---|---|
With 2,2,6,6-tetramethyl-piperidine-N-oxyl; chloro(1,5-cyclooctadiene)rhodium(I) dimer; copper diacetate; cesium fluoride In toluene at 120℃; for 24h; Inert atmosphere; | 85% |
3,4-methylenedioxypropiophenone
anthranil
Conditions | Yield |
---|---|
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; copper diacetate In 1,2-dichloro-benzene at 110℃; for 12h; Molecular sieve; Inert atmosphere; | 83% |
methanol
3,4-methylenedioxypropiophenone
5-(1-methoxypropyl)-1,3-benzodioxolane
Conditions | Yield |
---|---|
With sodium tetrahydroborate at 20℃; for 0.5h; | 81% |
3,4-methylenedioxypropiophenone
3-amino-1-phenylbut-2-en-1-one
Conditions | Yield |
---|---|
With [2,2]bipyridinyl; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; copper diacetate In N,N-dimethyl-formamide at 120℃; for 20h; Sealed tube; regioselective reaction; | 79% |
With [2,2]bipyridinyl; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; copper diacetate In N,N-dimethyl-formamide at 120℃; for 20h; Sealed tube; | 79% |
3,4-methylenedioxypropiophenone
aniline
N-phenylbenzo[d][1,3]dioxole-5-carboxamide
Conditions | Yield |
---|---|
With copper(II) choride dihydrate; oxygen; triphenylphosphine In dimethyl sulfoxide at 120℃; for 20h; Schlenk technique; | 79% |
3,4-methylenedioxypropiophenone
Methanesulfonyl azide
Conditions | Yield |
---|---|
Stage #1: 3,4-methylenedioxypropiophenone With sodium hydride; formic acid ethyl ester In diethyl ether; ethanol; mineral oil at 0 - 20℃; for 15h; Inert atmosphere; Stage #2: Methanesulfonyl azide In diethyl ether; ethanol; mineral oil for 2h; Inert atmosphere; | 74% |
3,4-methylenedioxypropiophenone
benzamidine monohydrochloride
Conditions | Yield |
---|---|
With ferrous(II) sulfate heptahydrate; 1,10-Phenanthroline; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical In N,N-dimethyl-formamide at 120℃; for 12h; Sealed tube; | 73% |
With ferrous(II) sulfate heptahydrate; 1,10-Phenanthroline; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; N,N-dimethyl-formamide at 120℃; for 24h; regioselective reaction; | 73% |
3,4-methylenedioxypropiophenone
Conditions | Yield |
---|---|
With lithium chloride In N,N-dimethyl-formamide at 80℃; for 6h; Chlorination; | 66% |
3,4-methylenedioxypropiophenone
2,4-dichlorophenyl hydrazine hydrochloride
oxalic acid diethyl ester
1-(2,4-dichlorophenyl)-4-methyl-5-(3,4-methylenedioxyphenyl)-1H-pyrazole-3-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
Stage #1: 3,4-methylenedioxypropiophenone; oxalic acid diethyl ester With lithium hexamethyldisilazane In diethyl ether at -78 - 0℃; Stage #2: 2,4-dichlorophenyl hydrazine hydrochloride In ethanol at 20℃; Stage #3: With acetic acid Heating; Further stages.; | 57% |
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