DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:34036-07-2
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inquiryFactory supply 3,4-Difluorobenzaldehyde CAS 34036-07-2 with fast delivery Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/
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inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/1302.html Product Name 3,4-Difluorobenzaldehyde CAS No. 34036-07-2
Cas:34036-07-2
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Cas:34036-07-2
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inquiryProduct name: 3,4-Difluorobenzaldehyde CAS No.:34036-07-2 Molecule Formula:C4H8FNO2 Molecule Weight:121.11 Purity: 98.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING
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inquiryProduct Name: 3,4-Difluorobenzaldehyde Synonyms: 3,4-DIFLUOROBENZALDEHYDE;3,4-Difluorobenzaldehyde,98%;3,4-Difluorobenzaldehyde 98%;3,4-Difluorbenzaldehyd;3,4-Difluorobenzalde;1,3-DiFluorobenzenebenzaldehyde;3,4-fluorobenzaldehyde;3,4-Difluoro
Cas:34036-07-2
Min.Order:1 Gram
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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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Superior quality, moderate price & quick delivery. Appearance:Colorless or light yellow liquid Storage:stored in a cool, dry and ventilated place to provent sun and rain Package:25kg/drum, or as per your request. Application:Used as Pharmac
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inquiry1-bromo-3,4-difluorobenzene
N,N-dimethyl-formamide
3,4 difluorobenzaldehyde
Conditions | Yield |
---|---|
Stage #1: 1-bromo-3,4-difluorobenzene With magnesium; 3,4-difluorophenylmagnesium bromide In tetrahydrofuran; toluene at 0.7 - 30℃; for 1h; Inert atmosphere; Molecular sieve; Stage #2: N,N-dimethyl-formamide In tetrahydrofuran; toluene at 10 - 15℃; for 1.5h; Reagent/catalyst; Solvent; Temperature; Molecular sieve; Inert atmosphere; | 96.2% |
Stage #1: 1-bromo-3,4-difluorobenzene With iodine; magnesium In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at 0℃; for 0.5h; Inert atmosphere; | 63% |
isopropyl chloride
1-bromo-3,4-difluorobenzene
N,N-dimethyl-formamide
3,4 difluorobenzaldehyde
Conditions | Yield |
---|---|
Stage #1: isopropyl chloride With iodine; magnesium In tetrahydrofuran at 20 - 40℃; for 5.66667h; Inert atmosphere; Stage #2: 1-bromo-3,4-difluorobenzene In tetrahydrofuran at 0 - 10℃; Stage #3: N,N-dimethyl-formamide In tetrahydrofuran at 0 - 10℃; for 0.666667h; | 86% |
1-bromo-3,4-difluorobenzene
formic acid ethyl ester
A
3,4 difluorobenzaldehyde
B
bis(3,4-difluorophenyl)methanol
Conditions | Yield |
---|---|
With n-butyllithium In diethyl ether; hexane 1.) -78 deg C, 30 min, 2.) -78 to 20 deg C, overnight; | A 5.6% B 80% |
Conditions | Yield |
---|---|
With sodium azide; copper(II) choride dihydrate; oxygen In N,N-dimethyl-formamide at 100℃; for 10h; Schlenk technique; Sealed tube; | A 69% B 65% |
(3,4-difluorophenyl)methanol
A
3,4-Difluorobenzoic acid
B
3,4 difluorobenzaldehyde
Conditions | Yield |
---|---|
With peracetic acid; C24H29INO5 In acetic acid at 30℃; for 48h; | A 62% B 18% |
3,4-difluorotoluene
3,4 difluorobenzaldehyde
Conditions | Yield |
---|---|
With sodium molybdate; dihydrogen peroxide; cobalt(II) acetate; acetic acid; sodium bromide at 65℃; Temperature; | 30.7% |
With bromine; calcium carbonate In dichloromethane | |
With bromine; calcium carbonate In dichloromethane; water |
Dichloromethyl methyl ether
ortho-difluorobenzene
A
3,4 difluorobenzaldehyde
B
tris(3,4-difluorophenyl)methane
Conditions | Yield |
---|---|
With aluminum (III) chloride In dichloromethane | A 12% B 26 %Chromat. |
1-bromo-3,4-difluorobenzene
3,4 difluorobenzaldehyde
Conditions | Yield |
---|---|
With sodium formate; bis(triphenylphosphine)palladium(II) dichloride In CO; N,N-dimethyl-formamide |
Conditions | Yield |
---|---|
aluminium trichloride In dichloromethyl methylether; dichloromethane |
Conditions | Yield |
---|---|
With bromine; calcium carbonate In dichloromethane | |
With bromine; calcium carbonate In dichloromethane | |
With bromine; calcium carbonate In dichloromethane | |
With bromine; calcium carbonate In dichloromethane |
ortho-difluorobenzene
3,4 difluorobenzaldehyde
Conditions | Yield |
---|---|
aluminium trichloride In dichloromethane | |
aluminium trichloride In dichloromethane |
Conditions | Yield |
---|---|
aluminium trichloride In dichloromethane |
A
2-(3,4-difluorobenzyl)pyrazine
B
3,4 difluorobenzaldehyde
Conditions | Yield |
---|---|
With trifluoroacetic acid at 75℃; for 0.666667h; |
3,4 difluorobenzaldehyde
diethylzinc
(S)-1-(3,4-Difluoro-phenyl)-propan-1-ol
Conditions | Yield |
---|---|
With titanium(IV) isopropylate; N,N’-(1R,2R)-cyclohexane-1,2-diylbis(1,1,1-trifluoromethanesulfonamide) In toluene at -78℃; | 100% |
Stage #1: diethylzinc With titanium(IV) isopropylate; C48H34O4 In diethyl ether; hexane at 0℃; for 0.5h; Inert atmosphere; Stage #2: 3,4 difluorobenzaldehyde In diethyl ether; hexane at 20℃; for 5h; Inert atmosphere; optical yield given as %ee; enantioselective reaction; | 92% |
3,4 difluorobenzaldehyde
N-methoxylamine hydrochloride
3,4-difluorobenzaldehyde O-methyloxime
Conditions | Yield |
---|---|
100% |
2-(3-fluoro-4-methoxyphenyl)-2-[(trimethylsilyl)oxy]acetonitrile
3,4 difluorobenzaldehyde
3,4-difluoro-α-[(trimethylsilyl)oxy]benzeneacetonitrile
Conditions | Yield |
---|---|
100% |
3,4 difluorobenzaldehyde
2-(3,4-dimethoxyphenyl)-ethylamine
N-(3',4'-difluorophenyl)methyl-3,4-dimethoxyphenethylamine
Conditions | Yield |
---|---|
Stage #1: 3,4 difluorobenzaldehyde; 2-(3,4-dimethoxyphenyl)-ethylamine In methanol for 2 - 3h; Reflux; Stage #2: With sodium tetrahydroborate In methanol at 20℃; for 1h; Cooling; | 100% |
Conditions | Yield |
---|---|
Stage #1: 3,4 difluorobenzaldehyde; 5-(aminomethyl)-2-chloropyridine In methanol at 20℃; Stage #2: With sodium tetrahydroborate In methanol at 20℃; for 0.416667h; | 99.1% |
Conditions | Yield |
---|---|
Stage #1: 4-methoxy-5H-furan-2-one With n-butyllithium Stage #2: 3,4 difluorobenzaldehyde In tetrahydrofuran at -78 - 20℃; | 99% |
Stage #1: 4-methoxy-5H-furan-2-one With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.25h; Inert atmosphere; Stage #2: 3,4 difluorobenzaldehyde In tetrahydrofuran; hexane at -78 - 20℃; Inert atmosphere; |
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In dimethyl sulfoxide; benzene at 90℃; for 6h; | 99% |
With tetrabutylammomium bromide; potassium carbonate In dimethyl sulfoxide at 90℃; for 7h; Inert atmosphere; | 92% |
3,4 difluorobenzaldehyde
ethyl (triphenylphosphoranylidene)acetate
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 16h; | 99% |
In toluene at 80℃; for 1h; | 67% |
3,4 difluorobenzaldehyde
2-(trans-4-butylcyclohexyl)-1,3-propanediol
Conditions | Yield |
---|---|
With hydrogenchloride; calcium chloride In water at 50℃; for 9h; Inert atmosphere; stereoselective reaction; | 99% |
3,4 difluorobenzaldehyde
4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
Conditions | Yield |
---|---|
With C34H28N6Zn In neat (no solvent) at 20℃; for 2h; Glovebox; Schlenk technique; | 99% |
Conditions | Yield |
---|---|
With acetic acid In ethyl acetate; benzene | 98.3% |
With acetic acid In ethyl acetate; benzene | 98.3% |
With acetic acid In ethyl acetate; benzene | 98.3% |
With acetic acid In ethyl acetate; benzene | 98.3% |
With acetic acid In ethyl acetate; benzene | 98.3% |
3,4 difluorobenzaldehyde
bis(3,4-difluorophenyl)methanol
Conditions | Yield |
---|---|
Stage #1: 1-bromo-3,4-difluorobenzene With n-butyllithium In diethyl ether; hexane at -78℃; for 3h; Stage #2: 3,4 difluorobenzaldehyde at -70 - 20℃; | 98% |
3,4 difluorobenzaldehyde
4,4-ethylenedioxy-piperidine
8-(3,4-difluorobenzyl)-1,4-dioxa-8-azaspiro[4.5]decane
Conditions | Yield |
---|---|
With sodium tris(acetoxy)borohydride; acetic acid In dichloromethane at 20℃; for 18h; | 98% |
3,4 difluorobenzaldehyde
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol; water for 0.0666667h; Sealed tube; Microwave irradiation; Green chemistry; | 98% |
carbon tetrabromide
3,4 difluorobenzaldehyde
3,4-Difluoro-β,β'-dibromostyrene
Conditions | Yield |
---|---|
Stage #1: carbon tetrabromide With triphenylphosphine In dichloromethane at 0℃; for 1h; Inert atmosphere; Stage #2: 3,4 difluorobenzaldehyde In dichloromethane at 20℃; for 2h; Inert atmosphere; | 97% |
With triphenylphosphine; zinc 1.) CH2Cl2, 48 h, 2.) 3 h; Multistep reaction; | |
With triphenylphosphine; zinc 1.) CH2Cl2, r.t., 48 h, 2.) 2 h; Multistep reaction; |
1-(7-hydroxy-2,2-dimethylchroman-6-yl)ethanone
3,4 difluorobenzaldehyde
3-(3,4-difluoro-phenyl)-1-(7-hydroxy-2,2-dimethyl-chroman-6-yl)-propenone
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol; water at 20℃; for 48h; Claisen-Schmidt Condensation; | 97% |
3,4 difluorobenzaldehyde
diethyl 4-methylbenzylphosphonate
Conditions | Yield |
---|---|
Stage #1: diethyl 4-methylbenzylphosphonate With sodium hydride In tetrahydrofuran at 0 - 5℃; for 0.5h; Horner-Wadsworth-Emmons Olefination; Stage #2: 3,4 difluorobenzaldehyde In tetrahydrofuran at 0 - 20℃; for 20h; Horner-Wadsworth-Emmons Olefination; | 97% |
3,4 difluorobenzaldehyde
glycine ethyl ester hydrochloride
Conditions | Yield |
---|---|
Stage #1: glycine ethyl ester hydrochloride With magnesium sulfate; triethylamine In dichloromethane at 20℃; for 1h; Inert atmosphere; Stage #2: 3,4 difluorobenzaldehyde In dichloromethane at 20℃; for 12h; | 97% |
3,4 difluorobenzaldehyde
4-methoxy-aniline
[1-(3,4-Difluoro-phenyl)-meth-(E)-ylidene]-(4-methoxy-phenyl)-amine
Conditions | Yield |
---|---|
With DOWEX 50W X8-400 In benzene Heating; | 96% |
3,4 difluorobenzaldehyde
5-(trifluoromethyl)pyridin-3-ol
3-fluoro-4-((5-(trifluoromethyl)pyridin-3-yl)oxy)benzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 16h; | 96% |
4-amino-5-methyl-2,4-dihydro-[1,2,4]triazole-3-thione
3,4 difluorobenzaldehyde
Conditions | Yield |
---|---|
With acetic acid In ethanol for 0.0833333h; Time; Microwave irradiation; | 96% |
malonic acid
3,4 difluorobenzaldehyde
(E)-3-(3,4-difluorophenyl)acrylic acid
Conditions | Yield |
---|---|
With piperidine; pyridine at 90℃; for 2h; Inert atmosphere; | 95% |
With piperidine; pyridine for 4h; Reagent/catalyst; Temperature; Knoevenagel Condensation; Reflux; diastereoselective reaction; | 92% |
With piperidine In pyridine at 65℃; for 4h; | 87% |
2-(3-hydroxy-4-methoxyphenyl)-1,3-dioxolane
3,4 difluorobenzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 150℃; for 17h; | 95% |
1-(4-(4-benzylpiperidin-1-yl)phenyl)ethanone
3,4 difluorobenzaldehyde
Conditions | Yield |
---|---|
With sodium hydroxide In methanol at 60℃; for 0.5h; Claisen-Schmidt Condensation; Microwave irradiation; | 95% |
3,4 difluorobenzaldehyde
thiosemicarbazide
(E)-2-(3,4-difluoro-benzylidene)-hydrazine-carbothioamide
Conditions | Yield |
---|---|
With acetic acid In ethanol; water for 24h; Inert atmosphere; Schlenk technique; Reflux; | 95% |
With acetic acid In ethanol Reflux; |
3,4 difluorobenzaldehyde
1,3,5-tris(3,4-dimethoxybenzyl)benzene
C54H30F6O6
Conditions | Yield |
---|---|
With iron(III) chloride; acetic anhydride In nitromethane; dichloromethane at 20℃; Inert atmosphere; | 95% |
3,4 difluorobenzaldehyde
Conditions | Yield |
---|---|
In ethanol for 4h; Reflux; | 95% |
In ethanol for 4h; Reflux; |
3,4 difluorobenzaldehyde
thiosemicarbazide
Conditions | Yield |
---|---|
With sulfuric acid In ethanol at 40℃; for 4h; | 95% |
With acetic acid In ethanol at 65 - 70℃; for 10h; |
3,4 difluorobenzaldehyde
3-fluoro-1-diethylphosphonomethyl-benzene
Conditions | Yield |
---|---|
Stage #1: 3-fluoro-1-diethylphosphonomethyl-benzene With sodium hydride In tetrahydrofuran at 0 - 5℃; for 0.5h; Horner-Wadsworth-Emmons Olefination; Stage #2: 3,4 difluorobenzaldehyde In tetrahydrofuran at 0 - 20℃; for 20h; Horner-Wadsworth-Emmons Olefination; | 95% |
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