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Dayang Chem (Hangzhou) Co.,Ltd.

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

3,4-Difluorobenzaldehyde Manufacturer/High quality/Best price/In stock

Cas:34036-07-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 3,4-Difluorobenzaldehyde supplier in China

Cas:34036-07-2

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Factory 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/

Factory supply 3,4-Difluorobenzaldehyde CAS 34036-07-2 with fast delivery

Cas:34036-07-2

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Intermediates Transportation:by air or by sea Port:shanghai

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Ality Chemical Corporation

The 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

Factory Supply 3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1

Negotiable

Type:Other

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Chemwill Asia Co., Ltd.

Our 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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/1302.html Product Name 3,4-Difluorobenzaldehyde CAS No. 34036-07-2

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Our 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

3,4-Difluorobenzaldehyde -

Cas:34036-07-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be sent

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

New production CAS 34036-07-2 with best quality

Cas:34036-07-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.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

3,4-Difluorobenzaldehyde 34036-07-2

Cas:34036-07-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Henan Wentao Chemical Product Co., Ltd.

Henan 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

CAS NO.:34036-07-2

Cas:34036-07-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best 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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:0

Negotiable

Type:Manufacturers

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our 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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

CAS34036-07-2 3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hangzhou J&H Chemical Co., Ltd.

J&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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Shanghai Massive Chemical Technology Co., Ltd.

Massive 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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product 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

Best Quality 3,4-Difluorobenzaldehyde with good supplier

Cas:34036-07-2

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Xiamen Jenny Chemical Technology Co., Ltd.

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,

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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Shanghai Minstar Chemical Co., Ltd

Product 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

3,4-Difluorobenzaldehyde 34036-07-2 C7H4F2O

Cas:34036-07-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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EAST CHEMSOURCES LIMITED

factory?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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu 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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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Shandong Mopai Biotechnology Co., LTD

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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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KAISA GROUP INC

1.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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou 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 api, intermediat

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Kilogram

FOB Price: $5.0 / 15.0

Type:Lab/Research institutions

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Suzhou Health Chemicals Co., Ltd.

High 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

3,4-difluorobenzaldehyde

Cas:34036-07-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Golden Pharma Co., Limited

GOLDEN 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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Kilogram

Negotiable

Type:Other

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HANGZHOU YUNUO CHEMICAL CO.,LTD

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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Bluecrystal chem-union

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

3,4-Difluorobenzaldehyde

Cas:34036-07-2

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

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Synthetic route

1-bromo-3,4-difluorobenzene
348-61-8

1-bromo-3,4-difluorobenzene

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

Conditions
ConditionsYield
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
75-29-6

isopropyl chloride

1-bromo-3,4-difluorobenzene
348-61-8

1-bromo-3,4-difluorobenzene

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

Conditions
ConditionsYield
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
348-61-8

1-bromo-3,4-difluorobenzene

formic acid ethyl ester
109-94-4

formic acid ethyl ester

A

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

B

bis(3,4-difluorophenyl)methanol
182192-98-9

bis(3,4-difluorophenyl)methanol

Conditions
ConditionsYield
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%
C14H8F4O

C14H8F4O

A

3,4-Difluorobenzonitrile
64248-62-0

3,4-Difluorobenzonitrile

B

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

Conditions
ConditionsYield
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
85118-05-4

(3,4-difluorophenyl)methanol

A

3,4-Difluorobenzoic acid
455-86-7

3,4-Difluorobenzoic acid

B

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

Conditions
ConditionsYield
With peracetic acid; C24H29INO5 In acetic acid at 30℃; for 48h;A 62%
B 18%
3,4-difluorotoluene
2927-34-6

3,4-difluorotoluene

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

Conditions
ConditionsYield
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
4885-02-3

Dichloromethyl methyl ether

ortho-difluorobenzene
367-11-3

ortho-difluorobenzene

A

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

B

tris(3,4-difluorophenyl)methane
32248-39-8

tris(3,4-difluorophenyl)methane

Conditions
ConditionsYield
With aluminum (III) chloride In dichloromethaneA 12%
B 26 %Chromat.
1-bromo-3,4-difluorobenzene
348-61-8

1-bromo-3,4-difluorobenzene

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

Conditions
ConditionsYield
With sodium formate; bis(triphenylphosphine)palladium(II) dichloride In CO; N,N-dimethyl-formamide
ortho-difluorobenzene
367-11-3

ortho-difluorobenzene

A

5,6-difluoro-2-methyl-1-(3,4,5-trimethoxybenzylidene)-indenyl-3-acetic acid

5,6-difluoro-2-methyl-1-(3,4,5-trimethoxybenzylidene)-indenyl-3-acetic acid

B

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

Conditions
ConditionsYield
aluminium trichloride In dichloromethyl methylether; dichloromethane
water
7732-18-5

water

3,4-difluorotoluene
2927-34-6

3,4-difluorotoluene

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

Conditions
ConditionsYield
With bromine; calcium carbonate In dichloromethane
With bromine; calcium carbonate In dichloromethane
With bromine; calcium carbonate In dichloromethane
With bromine; calcium carbonate In dichloromethane
dichloromethyl methylether

dichloromethyl methylether

ortho-difluorobenzene
367-11-3

ortho-difluorobenzene

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

Conditions
ConditionsYield
aluminium trichloride In dichloromethane
aluminium trichloride In dichloromethane
dichloromethyl methylether

dichloromethyl methylether

ortho-difluorobenzene
367-11-3

ortho-difluorobenzene

A

5,6-Difluoro-2-Methyl-1-(ρ-Methylsulfinylbenzylidene)-Indenyl-3-Acetic Acid

5,6-Difluoro-2-Methyl-1-(ρ-Methylsulfinylbenzylidene)-Indenyl-3-Acetic Acid

B

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

Conditions
ConditionsYield
aluminium trichloride In dichloromethane
N-[(3,4-difluorophenyl)methylene]-2,2-dimethoxyethanamine

N-[(3,4-difluorophenyl)methylene]-2,2-dimethoxyethanamine

A

2-(3,4-difluorobenzyl)pyrazine
1009309-81-2

2-(3,4-difluorobenzyl)pyrazine

B

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

Conditions
ConditionsYield
With trifluoroacetic acid at 75℃; for 0.666667h;
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

diethylzinc
557-20-0

diethylzinc

(S)-1-(3,4-Difluoro-phenyl)-propan-1-ol
847448-30-0

(S)-1-(3,4-Difluoro-phenyl)-propan-1-ol

Conditions
ConditionsYield
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
34036-07-2

3,4 difluorobenzaldehyde

N-methoxylamine hydrochloride
593-56-6

N-methoxylamine hydrochloride

3,4-difluorobenzaldehyde O-methyloxime
646051-28-7

3,4-difluorobenzaldehyde O-methyloxime

Conditions
ConditionsYield
100%
2-(3-fluoro-4-methoxyphenyl)-2-[(trimethylsilyl)oxy]acetonitrile
177755-45-2

2-(3-fluoro-4-methoxyphenyl)-2-[(trimethylsilyl)oxy]acetonitrile

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

3,4-difluoro-α-[(trimethylsilyl)oxy]benzeneacetonitrile
177755-69-0

3,4-difluoro-α-[(trimethylsilyl)oxy]benzeneacetonitrile

Conditions
ConditionsYield
100%
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

2-(3,4-dimethoxyphenyl)-ethylamine
120-20-7

2-(3,4-dimethoxyphenyl)-ethylamine

N-(3',4'-difluorophenyl)methyl-3,4-dimethoxyphenethylamine
355815-40-6

N-(3',4'-difluorophenyl)methyl-3,4-dimethoxyphenethylamine

Conditions
ConditionsYield
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%
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

5-(aminomethyl)-2-chloropyridine
97004-04-1

5-(aminomethyl)-2-chloropyridine

C13H11ClF2N2

C13H11ClF2N2

Conditions
ConditionsYield
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%
4-methoxy-5H-furan-2-one
69556-70-3

4-methoxy-5H-furan-2-one

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

C12H10F2O4

C12H10F2O4

Conditions
ConditionsYield
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;
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

dimethyl amine
124-40-3

dimethyl amine

C9H10FNO

C9H10FNO

Conditions
ConditionsYield
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
34036-07-2

3,4 difluorobenzaldehyde

ethyl (triphenylphosphoranylidene)acetate
1099-45-2

ethyl (triphenylphosphoranylidene)acetate

ethyl (2E)-3-(3,4-difluorophenyl)prop-2-enoate

ethyl (2E)-3-(3,4-difluorophenyl)prop-2-enoate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 16h;99%
In toluene at 80℃; for 1h;67%
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

2-(trans-4-butylcyclohexyl)-1,3-propanediol
132310-87-3

2-(trans-4-butylcyclohexyl)-1,3-propanediol

trans-5-(trans-4-butylcyclohexyl)-2-(3,4-difluorophenyl)-1,3-dioxane

trans-5-(trans-4-butylcyclohexyl)-2-(3,4-difluorophenyl)-1,3-dioxane

Conditions
ConditionsYield
With hydrogenchloride; calcium chloride In water at 50℃; for 9h; Inert atmosphere; stereoselective reaction;99%
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
25015-63-8

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane

2-((3,4-difluorobenzyl)oxy)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

2-((3,4-difluorobenzyl)oxy)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Conditions
ConditionsYield
With C34H28N6Zn In neat (no solvent) at 20℃; for 2h; Glovebox; Schlenk technique;99%
piperidine
110-89-4

piperidine

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

methyl 2-{(3,4-difluorophenyl)methylene}-3-oxobutyrate

methyl 2-{(3,4-difluorophenyl)methylene}-3-oxobutyrate

Conditions
ConditionsYield
With acetic acid In ethyl acetate; benzene98.3%
With acetic acid In ethyl acetate; benzene98.3%
With acetic acid In ethyl acetate; benzene98.3%
With acetic acid In ethyl acetate; benzene98.3%
With acetic acid In ethyl acetate; benzene98.3%
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

bis(3,4-difluorophenyl)methanol
182192-98-9

bis(3,4-difluorophenyl)methanol

Conditions
ConditionsYield
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
34036-07-2

3,4 difluorobenzaldehyde

4,4-ethylenedioxy-piperidine
177-11-7

4,4-ethylenedioxy-piperidine

8-(3,4-difluorobenzyl)-1,4-dioxa-8-azaspiro[4.5]decane
935777-21-2

8-(3,4-difluorobenzyl)-1,4-dioxa-8-azaspiro[4.5]decane

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride; acetic acid In dichloromethane at 20℃; for 18h;98%
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

2-(4-(((1-((1-(2-hydrazinyl-2-oxoethyl)-1H-1,2,3-triazol-4-yl)methyl)-1H-benzo[d]imidazol-2-yl)thio)methyl)-1H-1,2,3-triazol-1-yl)acetohydrazide

2-(4-(((1-((1-(2-hydrazinyl-2-oxoethyl)-1H-1,2,3-triazol-4-yl)methyl)-1H-benzo[d]imidazol-2-yl)thio)methyl)-1H-1,2,3-triazol-1-yl)acetohydrazide

N'-(3,4-difluorobenzylidene)-2-(4-(((1-((1-(2-(2-(3,4-difluorobenzylidene)-hydrazinyl)-2-oxoethyl)-1H-1,2,3-triazol-4-yl)methyl)-1H-benzo[d]imidazol-2-yl)-thio)methyl)-1H-1,2,3-triazol-1-yl)acetohydrazide

N'-(3,4-difluorobenzylidene)-2-(4-(((1-((1-(2-(2-(3,4-difluorobenzylidene)-hydrazinyl)-2-oxoethyl)-1H-1,2,3-triazol-4-yl)methyl)-1H-benzo[d]imidazol-2-yl)-thio)methyl)-1H-1,2,3-triazol-1-yl)acetohydrazide

Conditions
ConditionsYield
With hydrogenchloride In ethanol; water for 0.0666667h; Sealed tube; Microwave irradiation; Green chemistry;98%
carbon tetrabromide
558-13-4

carbon tetrabromide

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

3,4-Difluoro-β,β'-dibromostyrene
159957-01-4

3,4-Difluoro-β,β'-dibromostyrene

Conditions
ConditionsYield
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
31273-58-2

1-(7-hydroxy-2,2-dimethylchroman-6-yl)ethanone

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

3-(3,4-difluoro-phenyl)-1-(7-hydroxy-2,2-dimethyl-chroman-6-yl)-propenone
1416511-87-9

3-(3,4-difluoro-phenyl)-1-(7-hydroxy-2,2-dimethyl-chroman-6-yl)-propenone

Conditions
ConditionsYield
With potassium hydroxide In ethanol; water at 20℃; for 48h; Claisen-Schmidt Condensation;97%
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

diethyl 4-methylbenzylphosphonate
3762-25-2

diethyl 4-methylbenzylphosphonate

(E)-1,2-difluoro-4-(4-methylstyryl)benzene

(E)-1,2-difluoro-4-(4-methylstyryl)benzene

Conditions
ConditionsYield
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
34036-07-2

3,4 difluorobenzaldehyde

glycine ethyl ester hydrochloride
5680-79-5

glycine ethyl ester hydrochloride

(E)-methyl 2-((3,4-difluorobenz)amino)acetate

(E)-methyl 2-((3,4-difluorobenz)amino)acetate

Conditions
ConditionsYield
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
34036-07-2

3,4 difluorobenzaldehyde

4-methoxy-aniline
104-94-9

4-methoxy-aniline

[1-(3,4-Difluoro-phenyl)-meth-(E)-ylidene]-(4-methoxy-phenyl)-amine
224433-74-3

[1-(3,4-Difluoro-phenyl)-meth-(E)-ylidene]-(4-methoxy-phenyl)-amine

Conditions
ConditionsYield
With DOWEX 50W X8-400 In benzene Heating;96%
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

5-(trifluoromethyl)pyridin-3-ol
186593-14-6

5-(trifluoromethyl)pyridin-3-ol

3-fluoro-4-((5-(trifluoromethyl)pyridin-3-yl)oxy)benzaldehyde
1620579-56-7

3-fluoro-4-((5-(trifluoromethyl)pyridin-3-yl)oxy)benzaldehyde

Conditions
ConditionsYield
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
20939-15-5

4-amino-5-methyl-2,4-dihydro-[1,2,4]triazole-3-thione

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

(E)-4-((3,4-difluorobenzylidene)amino)-2,4-dihydro-5-methyl-3H-1,2,4-triazole-3-thione

(E)-4-((3,4-difluorobenzylidene)amino)-2,4-dihydro-5-methyl-3H-1,2,4-triazole-3-thione

Conditions
ConditionsYield
With acetic acid In ethanol for 0.0833333h; Time; Microwave irradiation;96%
malonic acid
141-82-2

malonic acid

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

(E)-3-(3,4-difluorophenyl)acrylic acid
112897-97-9

(E)-3-(3,4-difluorophenyl)acrylic acid

Conditions
ConditionsYield
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
181758-85-0

2-(3-hydroxy-4-methoxyphenyl)-1,3-dioxolane

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

C17H15FO5

C17H15FO5

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 150℃; for 17h;95%
1-(4-(4-benzylpiperidin-1-yl)phenyl)ethanone
1175944-69-0

1-(4-(4-benzylpiperidin-1-yl)phenyl)ethanone

3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

(E)-1-(4-(4-benzylpiperidin-1-yl)phenyl)-3-(3,4-difluorophenyl)prop-2-en-1-one

(E)-1-(4-(4-benzylpiperidin-1-yl)phenyl)-3-(3,4-difluorophenyl)prop-2-en-1-one

Conditions
ConditionsYield
With sodium hydroxide In methanol at 60℃; for 0.5h; Claisen-Schmidt Condensation; Microwave irradiation;95%
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

thiosemicarbazide
79-19-6

thiosemicarbazide

(E)-2-(3,4-difluoro-benzylidene)-hydrazine-carbothioamide
1570052-89-9

(E)-2-(3,4-difluoro-benzylidene)-hydrazine-carbothioamide

Conditions
ConditionsYield
With acetic acid In ethanol; water for 24h; Inert atmosphere; Schlenk technique; Reflux;95%
With acetic acid In ethanol Reflux;
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

1,3,5-tris(3,4-dimethoxybenzyl)benzene
1393084-21-3

1,3,5-tris(3,4-dimethoxybenzyl)benzene

C54H30F6O6
1569689-06-0

C54H30F6O6

Conditions
ConditionsYield
With iron(III) chloride; acetic anhydride In nitromethane; dichloromethane at 20℃; Inert atmosphere;95%
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

2-(7-fluoro-2-methoxyquinolin-8-yl)acetohydrazide

2-(7-fluoro-2-methoxyquinolin-8-yl)acetohydrazide

(E)-N'-(3,4-difluorobenzylidene)-2-(7-fluoro-2-methoxyquinolin-8-yl)acetohydrazide

(E)-N'-(3,4-difluorobenzylidene)-2-(7-fluoro-2-methoxyquinolin-8-yl)acetohydrazide

Conditions
ConditionsYield
In ethanol for 4h; Reflux;95%
In ethanol for 4h; Reflux;
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

thiosemicarbazide
79-19-6

thiosemicarbazide

3,4-difluoro-benzaldehyde thiosemicarbazone

3,4-difluoro-benzaldehyde thiosemicarbazone

Conditions
ConditionsYield
With sulfuric acid In ethanol at 40℃; for 4h;95%
With acetic acid In ethanol at 65 - 70℃; for 10h;
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

3-fluoro-1-diethylphosphonomethyl-benzene
63909-57-9

3-fluoro-1-diethylphosphonomethyl-benzene

(E)-1,2-difluoro-4-(3-fluorostyryl)benzene

(E)-1,2-difluoro-4-(3-fluorostyryl)benzene

Conditions
ConditionsYield
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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