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:29668-44-8
Min.Order:1 Kilogram
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inquiryhe company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:Whit
Cas:29668-44-8
Min.Order:100 Gram
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Type:Manufacturers
inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap
Cas:29668-44-8
Min.Order:1 Kilogram
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Type:Manufacturers
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:29668-44-8
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:29668-44-8
Min.Order:1 Kilogram
FOB Price: $8.0 / 10.0
Type:Trading Company
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 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 on.O
Cas:29668-44-8
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
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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Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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
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Min.Order:10 Kilogram
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Type:Trading Company
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Cas:29668-44-8
Min.Order:100 Gram
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Type:Other
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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Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryHanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder has d
Cas:29668-44-8
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Trading Company
inquiry1,4-BENZODIOXAN-6-CARBOXALDEHYDE CAS:29668-44-8 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
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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
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Min.Order:1 Kilogram
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Type:Lab/Research institutions
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
Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Service 1.Own made fine chemical products 2.Out sourcing and qua
Cas:29668-44-8
Min.Order:100 Gram
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Type:Lab/Research institutions
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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Min.Order:1 Gram
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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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Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
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
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Type:Other
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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
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Min.Order:0
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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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Min.Order:1 Gram
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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
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Min.Order:10 Gram
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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
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Min.Order:100 Gram
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Type:Lab/Research institutions
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Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: 1,4-BENZODIOXAN-6-CARBOXALDEHYDE Synonyms: 2,3-DIHYDRO-BENZO[1,4]DIOXINE-6-CARBALDEHYDE;2,3-DIHYDRO-1,4-BENZODIOXINE-6-CARBOXALDEHYDE;2,3-DIHYDRO-1,4-BENZODIOXINE-6-CARBALDEHYDE;2,3-DIHYDRO-1,4-BENZODIOXIN-6-CARBALDEHYDE;3,4-ETHYL
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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
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Min.Order:1 Kilogram
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Type:Trading Company
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Shandong 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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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
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inquiryethylene dibromide
3,4-dihydroxybenzaldehyde
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 70℃; for 16h; | 97% |
With caesium carbonate In DMF (N,N-dimethyl-formamide) at 70℃; for 16h; | 97% |
With sodium hydroxide; tetrabutylammomium bromide In water | 90% |
1,2-dichloro-ethane
3,4-dihydroxybenzaldehyde
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 105℃; for 4h; | 90% |
With potassium carbonate In acetone at 50 - 60℃; for 29h; |
9-methyl-9H-fluorene-9-carbonyl chloride
6-bromo-1,4-benzodioxane
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With dichloro(1,5-cyclooctadiene)palladium(II); N-Methyldicyclohexylamine; potassium formate; tetra-(n-butyl)ammonium iodide; tricyclohexylphosphine tetrafluoroborate; bis(dibenzylideneacetone)-palladium(0); tri tert-butylphosphoniumtetrafluoroborate at 100℃; for 18h; Reagent/catalyst; Solvent; Sealed tube; Glovebox; Inert atmosphere; | 81% |
benzo-1,4-dioxane
hexamethylenetetramine
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
In trifluoroacetic acid at 90 - 95℃; for 24h; | 72% |
benzo-1,4-dioxane
hydrogen cyanide
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With hydrogenchloride; aluminium trichloride Zersetzung des Reaktionsprodukts durch Erhitzen mit verd. Salzsaeure; |
benzo-1,4-dioxane
N,N-dimethyl-formamide
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With N-Bromosuccinimide; n-butyllithium 1) MeOH, 2) THF, -78 deg C; Multistep reaction; |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With zinc(II) cyanide; hydrogenchloride; aluminium trichloride anschliessendes Behandeln mit wss. Salzsaeure; |
ethylene dibromide
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With ethanol |
3,4-dihydroxybenzaldehyde
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide |
1-benzoyl-1-<2-(hydroxy)phenoxy>ethane
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1) AlCl3, 2) 10percent HCl / 1) benzene, temp ,40 deg C, 2) benzene, 1 h, 50 deg C 2: 48percent HBr / 15 h / Ambient temperature 3: 48 percent / NaOMe / methanol / 24 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 78 percent / NaOEt / dimethylformamide / 0.5 h / Ambient temperature 2: 1) AlCl3, 2) 10percent HCl / 1) benzene, temp ,40 deg C, 2) benzene, 1 h, 50 deg C 3: 48percent HBr / 15 h / Ambient temperature 4: 48 percent / NaOMe / methanol / 24 h / Heating View Scheme |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 48percent HBr / 15 h / Ambient temperature 2: 48 percent / NaOMe / methanol / 24 h / Heating View Scheme |
benzene-1,2-diol
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium hydroxide; water / 100 °C 2: hydrogen chloride; aluminium chloride / Zersetzung des Reaktionsprodukts durch Erhitzen mit verd. Salzsaeure View Scheme |
6-iodo-1,4-benzodioxane
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium formate; palladium diacetate; 1,2-bis-(diphenylphosphino)ethane / dimethyl sulfoxide / Inert atmosphere; Sealed tube 2: water View Scheme |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With water |
3,4-dibromobenzaldehyde
ethylene glycol
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With potassium carbonate; triethylamine In N,N-dimethyl-formamide at 80℃; Inert atmosphere; |
vanillin
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aluminum (III) chloride; pyridine / dichloromethane / 24 h / Reflux 2: potassium carbonate / N,N-dimethyl-formamide / 100 - 110 °C View Scheme |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
ethyl acetoacetate
Conditions | Yield |
---|---|
With piperidine; acetic acid In benzene for 15h; Heating; | 100% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
1-phenyl-3-trimethylsilylmethyl-3,4-pentadien-1-ol
Conditions | Yield |
---|---|
With trimethylsilyl trifluoromethanesulfonate In diethyl ether at -78℃; for 4h; | 100% |
trimethylsulphonium iodide
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
6-Oxiranyl-2,3-dihydro-benzo[1,4]dioxine
Conditions | Yield |
---|---|
With potassium hydroxide; water In acetonitrile at 60℃; for 1.5h; | 100% |
diethoxyphosphoryl-acetic acid ethyl ester
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
(E)-ethyl 3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acrylate
Conditions | Yield |
---|---|
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With lithium chloride In tetrahydrofuran at 20℃; for 0.25h; Horner-Wadsworth-Emmons Olefination; Inert atmosphere; Stage #2: 2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran Horner-Wadsworth-Emmons Olefination; Inert atmosphere; | 100% |
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With sodium hydride In tetrahydrofuran at 0℃; for 1h; Inert atmosphere; Stage #2: 2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde In tetrahydrofuran at 20℃; for 17h; Inert atmosphere; | 93% |
nitromethane
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
(E)-6-(2-nitrovinyl)-2,3-dihydro[1,4]benzodioxine
Conditions | Yield |
---|---|
With ammonium acetate at 100℃; Inert atmosphere; | 99% |
With ethanol; methylamine hydrochloride; sodium carbonate | |
With sodium hydroxide at 15℃; | |
Henry reaction; |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
2,3-dihydro-1,4-benzodioxin-6-carboxylic acid
Conditions | Yield |
---|---|
With sodium chlorite; sodium dihydrogen phosphate; 2-methyl-but-2-ene In water; tert-butyl alcohol at 20℃; for 45h; | 99% |
With urea hydrogen peroxide adduct; sodium hydroxide In methanol; water for 1.5h; Reflux; | 81% |
With potassium permanganate at 70 - 80℃; for 0.666667h; | 76% |
1-(4-fluorophenyl)-1H-indazole-5-amine
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With magnesium sulfate In dichloromethane at 20℃; for 48h; | 99% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With 1,3-bis[2,6-bis(1-methylethyl)phenyl]-4,5-dihydro-1H-imidazolium bromide; water-d2; potassium carbonate In toluene at 40℃; for 12h; | 99% |
With 1,3,5-triscyano-2,4,6-tris(N-carbazolyl)benzene; water-d2; sodium carbonate; triisopropylsilanethiol In ethyl acetate at 20℃; for 36h; Inert atmosphere; Sealed tube; Irradiation; | 91% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
malononitrile
Conditions | Yield |
---|---|
With nickel(II) ferrite In ethanol at 20℃; for 32h; Knoevenagel Condensation; Green chemistry; | 98.9% |
With triethylamine In methanol Reflux; | |
With piperidine In ethanol at 20℃; for 2h; |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
dihydrobenzo[1,4]dioxin-6-ol
Conditions | Yield |
---|---|
With potassium fluoride; 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; Cooling with ice; | 98% |
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 50℃; for 16h; | 94% |
Stage #1: 2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 50℃; for 16h; Stage #2: With sodium hydroxide In methanol; water for 2h; | 94% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
2,3-dihydrobenzo[b][1,4]dioxin-6-carbaldoxime
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; sodium hydroxide In ethanol at 80℃; for 4h; Inert atmosphere; | 98% |
With hydroxylamine hydrochloride; sodium acetate In ethanol for 12h; | |
With hydroxylamine hydrochloride; sodium carbonate In ethanol; water at 60℃; for 1h; |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
dimethyl 2-((tertbutyldiphenylsilyl)methyl)cyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With scandium tris(trifluoromethanesulfonate) In dichloromethane at 30 - 32℃; for 6h; | 98% |
1-methyl-2-thioxoimidazolidin-4-one
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
(5Z)-5-(2,3-dihydro-1,4-benzodioxan-6-ylmethylene)-1-methyl-2-thioxoimidazolidin-4-one
Conditions | Yield |
---|---|
With propylamine at 80℃; for 1h; Knoevenagel condensation; Microwave irradiation; | 98% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
2,3-dihydrobenzo[b][1,4]dioxine-6-carbonitrile
Conditions | Yield |
---|---|
With HCl·DMPU; hydroxylamine hydrochloride In acetonitrile at 60℃; | 98% |
With oxygen; acetonitrile; copper(l) chloride In N,N-dimethyl acetamide at 130℃; for 24h; Schlenk technique; | 87% |
With ammonia; oxygen In tert-Amyl alcohol at 40℃; under 750.075 Torr; for 24h; Green chemistry; | 85% |
With hydroxylamine hydrochloride; sodium sulfate In N,N-dimethyl-formamide at 170℃; for 4h; | 81% |
Multi-step reaction with 2 steps 1.1: hydroxylamine hydrochloride / methanol; water / 0.5 h / 20 °C 1.2: 20 °C 2.1: acetic anhydride / Reflux View Scheme |
4-chloro-2-hydroxy acetophenone
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
(E)-1-(4-chloro-2-hydroxyphenyl)-3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)prop-2-en-1-one
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol for 40h; Ambient temperature; | 97% |
With potassium hydroxide In ethanol Ambient temperature; | 97% |
With sodium hydroxide In methanol at 20℃; | 37.89% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
(2,3-dihydro-benzo[1,4]dioxin-6-yl)-methanol
Conditions | Yield |
---|---|
Stage #1: 2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde With sodium tetrahydroborate In ethanol at 0 - 20℃; for 1h; Stage #2: With water In ethanol | 97% |
With methanol; sodium tetrahydroborate at 0℃; for 0.5h; | 95% |
With sodium tetrahydroborate In methanol at 25℃; for 2h; | 93% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
(trifluoromethyl)trimethylsilane
1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2,2,2-trifluoroethanol
Conditions | Yield |
---|---|
Stage #1: 2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde; (trifluoromethyl)trimethylsilane With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 4h; Stage #2: With water In N,N-dimethyl-formamide for 4h; Acidic conditions; | 97% |
5-Bromo-2-hydroxyacetophenone
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
(E)-1-(5-bromo-2-hydroxyphenyl)-3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)prop-2-en-1-one
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol for 40h; Ambient temperature; | 96% |
With potassium hydroxide In ethanol Ambient temperature; | 96% |
With sodium hydroxide In methanol at 20℃; | 58.33% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
1-(2-benzyloxy-5-fluorophenyl)-ethanone
1-(2-benzyloxy-5-fluorophenyl)-3-(6-benzodioxan-1,4-yl)propenone
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol for 40h; Ambient temperature; | 96% |
With potassium hydroxide In ethanol Ambient temperature; | 96% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
1-(2-(benzyloxy)-5-bromophenyl)ethanone
1-(2-benzyloxy-5-bromophenyl)-3-(6-benzodioxan-1,4-yl)propenone
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol for 40h; Ambient temperature; | 96% |
With potassium hydroxide In ethanol Ambient temperature; | 96% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
4-methoxy-aniline
Dimethyl phosphite
dimethyl (2,3-dihydrobenzo[b][1,4]dioxin-6-yl)(4-methoxyphenylamino)methylphosphonate
Conditions | Yield |
---|---|
With titanium(IV) oxide In neat (no solvent) at 50℃; for 0.166667h; Green chemistry; | 96% |
hydrogen cyanide
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Conditions | Yield |
---|---|
With Prunus communis hydroxynitrile lyase 5 L331A mutant In tert-butyl methyl ether at 10℃; for 12h; pH=3.5; Catalytic behavior; Reagent/catalyst; Enzymatic reaction; enantioselective reaction; | 96% |
With hydroxynitrile lyase isozyme 5 from Prunus communis In tert-butyl methyl ether at 25℃; for 7h; pH=5; Enzymatic reaction; | 84% |
With (R)-oxynitrilase In di-isopropyl ether Enzymatic reaction; |
1-<5-chloro-2-(phenylmethoxy)phenyl>ethanone
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
1-(2-benzyloxy-5-chlorophenyl)-3-(6-benzodioxan-1,4-yl)propenone
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol; water for 40h; Ambient temperature; | 95% |
With potassium hydroxide In ethanol Ambient temperature; | 95% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
2-benzyloxy-4,5-dimethylacetophenone
1-(2-benzyloxy-4,5-dimethylphenyl)-3-(6-benzodioxan-1,4-yl)propenone
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol for 40h; Ambient temperature; | 95% |
With potassium hydroxide In ethanol Ambient temperature; | 95% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
malonic acid dimethyl ester
C14H14O6
Conditions | Yield |
---|---|
With piperidine; acetic acid In benzene Knoevenagel condensation; | 95% |
With piperidine; acetic acid In benzene Dean-Stark; Reflux; |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
p-toluidine
Dimethyl phosphite
dimethyl (2,3-dihydrobenzo[b][1,4]dioxin-6-yl)(p-tolylamino)methylphosphonate
Conditions | Yield |
---|---|
With titanium(IV) oxide In neat (no solvent) at 50℃; for 0.2h; Green chemistry; | 95% |
2-aminofluorene
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
Dimethyl phosphite
dimethyl (((9H-fluoren-2-yl)amino)(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)methyl)phosphonate
Conditions | Yield |
---|---|
With polystyrene-supported p-toluenesulfonic acid In neat (no solvent) at 70℃; for 0.0833333h; Kabachnik-Fields Reaction; Microwave irradiation; Green chemistry; | 95% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
4-amino-1-phenylpiperazine
Conditions | Yield |
---|---|
In toluene at 100℃; | 95% |
2,3-dihydro-benzo[1,4]dioxin-6-carbaldehyde
acrylic acid methyl ester
Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane at 30 - 40℃; Morita-Baylis-Hillman Alkylation; Sonication; | 95% |
With 1,4-diaza-bicyclo[2.2.2]octane In methanol at 20℃; Morita-Baylis-Hillman Alkylation; |
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