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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

1-Bromo-2,5-dimethoxybenzene Manufacturer/High quality/Best price/In stock

Cas:25245-34-5

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 1-Bromo-2,5-Dimethoxyb supplier in China

Cas:25245-34-5

Min.Order:1 Metric Ton

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Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 1-Bromo-2,5-dimethoxybenzene CAS N

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:1 Gram

FOB Price: $8.0

Type:Lab/Research institutions

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Xi'an Xszo Chem Co., Ltd.

1. 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

Factory Price OLED 99% 25245-34-5 1-Bromo-2,5-dimethoxybenzene Manufacturer

Cas:25245-34-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Beijing Greenchem Technology Co.,Ltd. ( Panjin Greenchem Technology Co.Ltd .)

Beijing Greenchem Technology Co., Ltd., founded in 2010, focuses on the research, production and customization of organophosphorus compounds and organophosphorus precious metal catalysts. With ISO9001:2008 certification, it is a state-level high-te

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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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

Bromohydroquinone dimethyl ether

Cas:25245-34-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

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 productionCAS 25245-34-5 with high quality products

Cas:25245-34-5

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

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

Benzene,2-bromo-1,4-dimethoxy- 25245-34-5

Cas:25245-34-5

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.:25245-34-5

Cas:25245-34-5

Min.Order:0

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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

1-Bromo-2,5-Dimethoxyb

Cas:25245-34-5

Min.Order:0

Negotiable

Type:Manufacturers

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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

1-bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:0

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Type:Lab/Research institutions

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SHANGHAI T&W PHARMACEUTICAL CO., LTD.

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

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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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 2-bromo-1,4-dimethoxybenzene

Cas:25245-34-5

Min.Order:0 Metric Ton

Negotiable

Type:Other

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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

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:Clear colorless to yellowish liquid Storage:At room temperature Package:25kg/drum, or as per your request. Application:For medicine , pesticide intermediates Transportation: as p

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Shanghai Minstar Chemical Co., Ltd

Boiling point 130-131 °C/10 mmHg (lit.) density 1.445 g/mL at 25 °C (lit.) refractive index 1.569-1.571 Fp >110°C Specific Gravity1.445 Water Solubility Insoluble in water. BRN 2441884

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:1 Gram

FOB Price: $65.0

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

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:0

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Type:Lab/Research institutions

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GIHI CHEMICALS CO.,LIMITED

Lower 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

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

1-BroMo-2,5-diMethoxybenzene

Cas:25245-34-5

Min.Order:0

Negotiable

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

1-BroMo-2,5-diMethoxybenzene

Cas:25245-34-5

Min.Order:0

Negotiable

Type:Manufacturers

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Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

1-Bromo-2,5-Dimethoxyb

Cas:25245-34-5

Min.Order:0

Negotiable

Type:Manufacturers

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Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:0

Negotiable

Type:Manufacturers

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Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:0

Negotiable

Type:Manufacturers

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Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

1-BroMo-2,5-diMethoxybenzene

Cas:25245-34-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hangzhou Ocean Chemical Co., Ltd.

★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Guangdong Juda Chemical Industrial Co.,Limited

Appearance: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

1-Bromo-2,5-dimethoxybenzene CAS No.25245-34-5

Cas:25245-34-5

Min.Order:0

Negotiable

Type:Trading Company

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Wuhan Circle Star Chem-medical Technology co.,Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran

1-Bromo-2,5-dimethoxybenzene

Cas:25245-34-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystals powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as

2,5-Dimethoxybromobenzene

Cas:25245-34-5

Min.Order:0

Negotiable

Type:Trading Company

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Hangzhou Fandachem Co.,Ltd

1-Bromo-2,5-dimethoxybenzene cas 25245-34-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

1-Bromo-2,5-dimethoxybenzene cas 25245-34-5

Cas:25245-34-5

Min.Order:0

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Type:Other

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Synthetic route

1,4-dimethoxybezene
150-78-7

1,4-dimethoxybezene

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

Conditions
ConditionsYield
With (CH3)4Br In liquid sulphur dioxide at -23℃; Rate constant;100%
With (CH3)4Br In liquid sulphur dioxide at -23℃;100%
With Selectfluor; sodium bromide In acetonitrile at 20℃; for 113h;100%
2-bromo-4-methoxyphenol
17332-11-5

2-bromo-4-methoxyphenol

methyl iodide
74-88-4

methyl iodide

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; Inert atmosphere; Cooling with ice;97.9%
2-bromo-4-methoxyphenol
17332-11-5

2-bromo-4-methoxyphenol

dimethyl sulfate
77-78-1

dimethyl sulfate

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

Conditions
ConditionsYield
Stage #1: 2-bromo-4-methoxyphenol With potassium carbonate In acetone at 20℃; for 0.166667h;
Stage #2: dimethyl sulfate In acetone at 20℃; for 12h;
97%
2-bromobenzene-1,4-diol
583-69-7

2-bromobenzene-1,4-diol

methyl iodide
74-88-4

methyl iodide

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

Conditions
ConditionsYield
With sodium hydride83%
2,5-dimethoxyphenylboronic acid
107099-99-0

2,5-dimethoxyphenylboronic acid

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

Conditions
ConditionsYield
With tetrabutylammomium bromide; copper(ll) bromide In water at 100℃; Sealed tube;78%
potassium (2,5-dimethoxyphenyl)trifluoroborate

potassium (2,5-dimethoxyphenyl)trifluoroborate

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

Conditions
ConditionsYield
With tetra-N-butylammonium tribromide In tetrahydrofuran; water at 20℃; for 0.333333h; chemoselective reaction;72%
With tetra-N-butylammonium tribromide In tetrahydrofuran; water at 20℃; for 0.333333h; chemoselective reaction;72%
2-bromobenzene-1,4-diol
583-69-7

2-bromobenzene-1,4-diol

dimethyl sulfate
77-78-1

dimethyl sulfate

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

Conditions
ConditionsYield
With alkali
1,4-dimethoxybezene
150-78-7

1,4-dimethoxybezene

A

1,4-dibromo-2,5-dimethoxybenzene
2674-34-2

1,4-dibromo-2,5-dimethoxybenzene

B

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

Conditions
ConditionsYield
With phosphorus pentabromide Erwaermen auf dem Dampfbad;
With hydrogenchloride; potassium nitrate; sodium bromide In diethyl ether; water at 25℃; for 4h; Time;
phosphorus pentabromide
7789-69-7

phosphorus pentabromide

1,4-dimethoxybezene
150-78-7

1,4-dimethoxybezene

A

1,4-dibromo-2,5-dimethoxybenzene
2674-34-2

1,4-dibromo-2,5-dimethoxybenzene

B

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

4-methoxy-phenol
150-76-5

4-methoxy-phenol

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: N-Bromosuccinimide / acetonitrile / 3 h / 0 - 20 °C
2.1: potassium carbonate / acetone / 0.17 h / 20 °C
2.2: 12 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: bromine / dichloromethane / 2 h / Cooling with ice
2: potassium carbonate / acetone / 20 °C / Inert atmosphere; Cooling with ice
View Scheme
hydroquinone
123-31-9

hydroquinone

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: potassium carbonate / acetone / 12 h / 20 °C
2: bromine; acetic acid / 1 h / 0 - 20 °C
View Scheme
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

cyclohexane-1,2-epoxide
286-20-4

cyclohexane-1,2-epoxide

C14H20O3
500554-45-0

C14H20O3

Conditions
ConditionsYield
Stage #1: 1-bromo-2,5-dimethoxybenzene With n-butyllithium In tetrahydrofuran at -78℃; for 0.5h;
Stage #2: cyclohexane-1,2-epoxide With boron trifluoride diethyl etherate In tetrahydrofuran at -78℃;
100%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

2-methyl-but-3-yn-2-ol
115-19-5

2-methyl-but-3-yn-2-ol

2-methyl-4-(2,5-dimethoxyphenyl)-3-butyn-2-ol
22944-10-1

2-methyl-4-(2,5-dimethoxyphenyl)-3-butyn-2-ol

Conditions
ConditionsYield
With trisodium tris(3-sulfophenyl)phosphine; palladium diacetate; triethylamine In water; acetonitrile at 80℃; for 8h; Sonogashira Cross-Coupling;99%
With piperidine; copper(l) iodide; triphenylphosphine; palladium dichloride at 80℃; for 12h; Sonogashira Cross-Coupling;90%
With copper(l) iodide; triethylamine; triphenylphosphine; palladium diacetate at 80℃; Sonogashira coupling;40%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 20℃; for 12h; Sonogashira cross-coupling;
2-[4,5-dihexyl(1,1'-biphenyl)-2-yl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
1353713-99-1

2-[4,5-dihexyl(1,1'-biphenyl)-2-yl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

2,5-dimethoxy-4',5'-dihexyl-1,1':2',1''-terphenyl
1353714-02-9

2,5-dimethoxy-4',5'-dihexyl-1,1':2',1''-terphenyl

Conditions
ConditionsYield
With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate monohydrate; palladium diacetate In water; toluene at 20 - 100℃; for 0.05h; Suzuki coupling;99%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

(±)-2-methyl-but-3-yne-1,2-diol
21433-93-2

(±)-2-methyl-but-3-yne-1,2-diol

4-(2,5-dimethoxyphenyl)-2-methylbut-3-yne-1,2-diol

4-(2,5-dimethoxyphenyl)-2-methylbut-3-yne-1,2-diol

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); N-butylamine for 21h; Sonogashira Cross-Coupling; Inert atmosphere; Heating;99%
dimethylmonochlorosilane
1066-35-9

dimethylmonochlorosilane

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

(2,5-dimethoxyphenyl)dimethylsilane
1393446-11-1

(2,5-dimethoxyphenyl)dimethylsilane

Conditions
ConditionsYield
With iodine; magnesium In tetrahydrofuran at 20℃; Inert atmosphere; Schlenk technique;99%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

1-bromo-2,5-dimethoxy-4-nitrobenzene
98545-68-7

1-bromo-2,5-dimethoxy-4-nitrobenzene

Conditions
ConditionsYield
With nitric acid In acetic acid at 20℃; for 0.25h;98%
With nitric acid; acetic acid for 0.5h;92%
With cerium(IV) ammonium nitrate supported on silica In dichloromethane for 0.25h; Ambient temperature;87%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

2,2',5,5'-tetramethoxybiphenyl
4555-64-0

2,2',5,5'-tetramethoxybiphenyl

Conditions
ConditionsYield
With (i-Pent2(C6H3))2(C3H2N2))PdCl2((C5H4N)Cl); tert.-butyl lithium In toluene at 20℃; for 1h; Schlenk technique; Inert atmosphere;98%
With bis(triphenylphosphine)nickel(II) chloride; tetraethylammonium iodide; zinc In tetrahydrofuran at 50℃; for 20h; Inert atmosphere;70%
With iron; sodium bromide; (2,2'-bipyridine)nickel(II) dibromide In methanol; ethanol Reduction; Electrolysis;29%
With n-butyllithium; Trimethyl borate; sodium carbonate; tetrakis(triphenylphosphine) palladium(0) 1) THF, -78 deg C -> room temperature, 4 h; room temperature, overnight, 2) THF, EtOH, H2O, toluene, reflux, 24 h; Yield given. Multistep reaction;
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

phenylboronic acid
98-80-6

phenylboronic acid

2,5-dimethoxy-1,1′-biphenyl
54113-30-3

2,5-dimethoxy-1,1′-biphenyl

Conditions
ConditionsYield
With potassium fluoride; 2-(diphenylphosphino)phenylferrocene; tris-(dibenzylideneacetone)dipalladium(0) In tetrahydrofuran at 20℃; for 24h; Suzuki-Miyaura coupling;98%
With dihydrogen dichloro-bis(di-tert-butylphosphinito-κP)palladium(2-); caesium carbonate In 1,4-dioxane at 100℃; for 20h; Suzuki-Miyaura cross-coupling reaction;97%
With potassium carbonate In water; isopropyl alcohol at 60℃; for 4h; Catalytic behavior; Suzuki-Miyaura Coupling;92%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

Lithium enolate of the acetaldehyde
675825-21-5

Lithium enolate of the acetaldehyde

2,5-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-ol
87046-36-4

2,5-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-ol

Conditions
ConditionsYield
With 2,2,6,6-tetramethylpiperidinyl-lithium In tetrahydrofuran at -78℃; regioselective reaction;98%
With 2,2,6,6-tetramethylpiperidinyl-lithium In tetrahydrofuran; hexane at -78℃; Inert atmosphere;61%
trifluoroethylamine
753-90-2

trifluoroethylamine

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

C10H12F3NO2

C10H12F3NO2

Conditions
ConditionsYield
With bis(η3-allyl-μ-chloropalladium(II)); 5-(di(adamantan-1-yl)phosphino)-1′,3′,5′-triphenyl-1′H-1,4′-bipyrazole; potassium phenolate In 1,4-dioxane at 100℃; for 6h; Sealed tube; Inert atmosphere;98%
With bis(η3-allyl-μ-chloropalladium(II)); 5-(di(adamantan-1-yl)phosphino)-1′,3′,5′-triphenyl-1′H-1,4′-bipyrazole; potassium phenolate In 1,4-dioxane at 100℃; for 6h; Sealed tube; Glovebox;98%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

1-t-Butoxycarbonylpiperazine
57260-71-6

1-t-Butoxycarbonylpiperazine

tert-butyl 4-(2,5-dimethoxyphenyl)piperazine-1-carboxylate

tert-butyl 4-(2,5-dimethoxyphenyl)piperazine-1-carboxylate

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); potassium tert-butylate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In toluene at 100℃; for 16h; Inert atmosphere;97.01%
(E)-1-octen-1-ylboronic acid
42599-16-6

(E)-1-octen-1-ylboronic acid

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

(E)-1-(2,4-dimethoxyphenyl)octene

(E)-1-(2,4-dimethoxyphenyl)octene

Conditions
ConditionsYield
With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate; palladium diacetate In tetrahydrofuran at 40℃; for 24h; Suzuki-Miyaura coupling;97%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

4-nitrophenylboronic acid
24067-17-2

4-nitrophenylboronic acid

2,5-dimethoxy-4'-nitro-1,1'-biphenyl
112148-15-9

2,5-dimethoxy-4'-nitro-1,1'-biphenyl

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; potassium carbonate In ethanol; water; toluene at 80℃; for 8h; Suzuki Coupling; Inert atmosphere;95.83%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

chloro-diphenylphosphine
1079-66-9

chloro-diphenylphosphine

(2,5-dimethoxyphenyl)diphenylphosphine oxide
72666-56-9

(2,5-dimethoxyphenyl)diphenylphosphine oxide

Conditions
ConditionsYield
With sodium hydrogen sulfate; n-butyllithium; ammonium chloride; dihydrogen peroxide In tetrahydrofuran; methanol; hexane; dichloromethane95.8%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

2,5-dimethoxyaniline
102-56-7

2,5-dimethoxyaniline

Conditions
ConditionsYield
With bis(tri-ortho-tolylphosphine)palladium(0); (R)-(-)-1-[(S)-2-(dicyclohexylphosphino)ferrocenyl]ethyl-di-tert-butylphosphine; ammonia; sodium t-butanolate In 1,4-dioxane at 100℃; for 12h; Inert atmosphere;95%
With copper(I) oxide; sodium azide; L-proline In dimethyl sulfoxide at 100℃; for 6h; Inert atmosphere;71%
With potassium amide In ammonia62%
Stage #1: 1-bromo-2,5-dimethoxybenzene With magnesium In tetrahydrofuran Inert atmosphere;
Stage #2: With C10H17NO In tetrahydrofuran; toluene at -45℃; for 2h; Inert atmosphere;
Stage #3: With ammonium chloride In tetrahydrofuran; water; toluene Inert atmosphere;
58%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

1β,2α-dimethyl-5α-(t-butyldimethylsilyloxy)-1,2,4aβ,5,6,7,8,8aα-octahydronaphthalene-1α-carboxaldehyde
93605-93-7, 93605-94-8, 107136-09-4, 107136-10-7, 107136-11-8, 107136-12-9, 108586-11-4

1β,2α-dimethyl-5α-(t-butyldimethylsilyloxy)-1,2,4aβ,5,6,7,8,8aα-octahydronaphthalene-1α-carboxaldehyde

trans-5α-(tert-butyldimethylsilyloxy)-1α-[(2,5-dimethoxyphenyl)-hydroxymethyl]-1,2,4a,5,6,7,8,8a-octahydro-1β,2α-dimethylnaphthalene

trans-5α-(tert-butyldimethylsilyloxy)-1α-[(2,5-dimethoxyphenyl)-hydroxymethyl]-1,2,4a,5,6,7,8,8a-octahydro-1β,2α-dimethylnaphthalene

Conditions
ConditionsYield
Stage #1: 1-bromo-2,5-dimethoxybenzene With magnesium; ethylene dibromide In tetrahydrofuran; diethyl ether for 2.5h; Metallation; Heating;
Stage #2: 1β,2α-dimethyl-5α-(t-butyldimethylsilyloxy)-1,2,4aβ,5,6,7,8,8aα-octahydronaphthalene-1α-carboxaldehyde In tetrahydrofuran; diethyl ether at 0℃; for 0.5h; Grignard reaction;
95%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

((2,5-dimethoxyphenyl)ethynyl)trimethylsilane
531504-78-6

((2,5-dimethoxyphenyl)ethynyl)trimethylsilane

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diethylamine; triphenylphosphine In N,N-dimethyl-formamide at 120℃; for 0.5h; Sonogashira Cross-Coupling; Microwave irradiation; Inert atmosphere;95%
With piperidine; copper(l) iodide; triphenylphosphine; palladium dichloride for 24h; Sonogashira coupling; Heating;89%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

propargyl alcohol
107-19-7

propargyl alcohol

3-(2,5-dimethoxyphenyl)-prop-2-yn-1-ol

3-(2,5-dimethoxyphenyl)-prop-2-yn-1-ol

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); N-butylamine for 21h; Sonogashira Cross-Coupling; Inert atmosphere; Heating;95%
With copper(l) iodide; diisopropylamine; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride In N,N-dimethyl-formamide at 80℃; for 18h;29%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

2-methyl-1-buten-3-yne
78-80-8

2-methyl-1-buten-3-yne

1,4-dimethoxy-2-(3-methylbut-3-en-1-yn-1-yl)benzene
22944-05-4

1,4-dimethoxy-2-(3-methylbut-3-en-1-yn-1-yl)benzene

Conditions
ConditionsYield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); N-butylamine at 0 - 100℃; for 21h; Catalytic behavior; Temperature; Sonogashira Cross-Coupling; Inert atmosphere;94%
dimethylmonochlorosilane
1066-35-9

dimethylmonochlorosilane

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

2-bromo-1,4-dimethoxy-3-(dimethylsilyl)benzene

2-bromo-1,4-dimethoxy-3-(dimethylsilyl)benzene

Conditions
ConditionsYield
With 2,2,6,6-tetramethylpiperidinyl-lithium In tetrahydrofuran; diethyl ether at -110 - -80℃; for 1h; Solvent; Temperature; Glovebox; Inert atmosphere;94%
With 2,2,6,6-tetramethylpiperidinyl-lithium In tetrahydrofuran; diethyl ether at -110 - -80℃; Inert atmosphere;94%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

allyl bromide
106-95-6

allyl bromide

2-allyl-1,4-dimethoxybenzene
19754-22-4

2-allyl-1,4-dimethoxybenzene

Conditions
ConditionsYield
With magnesium In diethyl ether at 0 - 20℃; for 2h; Grignard Reaction; Inert atmosphere;93%
With n-butyllithium; copper (I) iodide Yield given. Multistep reaction;
Stage #1: 1-bromo-2,5-dimethoxybenzene With iodine; magnesium In tetrahydrofuran for 4h; Reflux; Inert atmosphere;
Stage #2: allyl bromide With copper(I) bromide; lithium bromide In tetrahydrofuran at 20℃; Inert atmosphere;
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

isobutyl vinylacetate
24342-03-8

isobutyl vinylacetate

(E)-isobutyl 4-(2,5-dimethoxyphenyl)but-3-enoate

(E)-isobutyl 4-(2,5-dimethoxyphenyl)but-3-enoate

Conditions
ConditionsYield
With bis(tri-t-butylphosphine)palladium(0); N-Methyldicyclohexylamine In toluene at 110℃; for 12h; Heck Reaction; Inert atmosphere;93%
salicylonitrile
611-20-1

salicylonitrile

1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

3-(2,5-dimethoxyphenyl)benzo[d]isoxazole

3-(2,5-dimethoxyphenyl)benzo[d]isoxazole

Conditions
ConditionsYield
With magnesium; triphenylphosphine In tetrahydrofuran; toluene at 90℃; for 4h; Reagent/catalyst;93%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

acetyl chloride
75-36-5

acetyl chloride

1-(4-bromo-2,5-dimethoxyphenyl)ethanone
90841-64-8

1-(4-bromo-2,5-dimethoxyphenyl)ethanone

Conditions
ConditionsYield
With aluminium trichloride In nitrobenzene for 2h; Ambient temperature;92%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

(R)-2-methyl-2-[2'-(phenylmethoxy)ethyl]oxirane
252651-57-3

(R)-2-methyl-2-[2'-(phenylmethoxy)ethyl]oxirane

(S)-4-benzyloxy-1-(2',5'-dimethoxyphenyl)-2-methylbutan-2-ol
300661-18-1

(S)-4-benzyloxy-1-(2',5'-dimethoxyphenyl)-2-methylbutan-2-ol

Conditions
ConditionsYield
Stage #1: 1-bromo-2,5-dimethoxybenzene With iodine; magnesium In tetrahydrofuran for 4h; Metallation; Heating;
Stage #2: (R)-2-methyl-2-[2'-(phenylmethoxy)ethyl]oxirane With dilithium tetrachlorocuprate In tetrahydrofuran at -78 - -20℃; Ring cleavage; Grignard reaction;
92%
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

4-bromo-1-(4-bromo-2,5-dimethoxyphenyl)-2,5-dimethoxybenzene
200943-34-6

4-bromo-1-(4-bromo-2,5-dimethoxyphenyl)-2,5-dimethoxybenzene

Conditions
ConditionsYield
With boron trifluoride diethyl etherate; bis-[(trifluoroacetoxy)iodo]benzene In dichloromethane at -40℃; for 1.5h;91%
With iron(III) chloride In dichloromethane70%
With iron(III) chloride In dichloromethane68%
With aluminium trichloride; iron(III) chloride 1.) nitromethane, 30 min, RT 2.) nitromethane, RT, 5 h; Yield given. Multistep reaction;
Multi-step reaction with 2 steps
1: bis(triphenylphosphine)nickel(II) chloride; tetraethylammonium iodide; zinc / tetrahydrofuran / 20 h / 50 °C / Inert atmosphere
2: N-Bromosuccinimide / dichloromethane / 10 h / Reflux
View Scheme
1-bromo-2,5-dimethoxybenzene
25245-34-5

1-bromo-2,5-dimethoxybenzene

(2R,4R,5R,6R)-4-acetyl-5-benzyloxy-2-phenyl-6-vinyl-[1,3]dioxane
205934-63-0

(2R,4R,5R,6R)-4-acetyl-5-benzyloxy-2-phenyl-6-vinyl-[1,3]dioxane

A

(2R,4R,5R,6R)-5-benzyloxy-4-[(1R)-1-hydroxy-1-(2,5-dimethoxyphenyl)-ethyl]-2-phenyl-6-vinyl-[1,3]dioxane

(2R,4R,5R,6R)-5-benzyloxy-4-[(1R)-1-hydroxy-1-(2,5-dimethoxyphenyl)-ethyl]-2-phenyl-6-vinyl-[1,3]dioxane

B

(2R,4R,5R,6R)-5-benzyloxy-4-[(1S)-1-hydroxy-1-(2,5-dimethoxyphenyl)-ethyl]-2-phenyl-6-vinyl-[1,3]dioxane

(2R,4R,5R,6R)-5-benzyloxy-4-[(1S)-1-hydroxy-1-(2,5-dimethoxyphenyl)-ethyl]-2-phenyl-6-vinyl-[1,3]dioxane

Conditions
ConditionsYield
With n-butyllithium; cerium(III) chloride In tetrahydrofuran at -78℃; for 2h;A 2%
B 91%
With n-butyllithium In tetrahydrofuran at 0℃;A 58%
B 32%

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