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
Cas:792-74-5
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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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inquiry1. 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
Cas:792-74-5
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inquiryDayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
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Cas:792-74-5
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inquiryLinchuan's expertise and flexibility have made the company become one of the leading manufacturer of Naphthalene series, Biphenyl series , Anthracene series and 1-(CHLOROMETHYL)-4-ETHENYLBENZENE series, which are wildly used in the field of
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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 manufactu
Cas:792-74-5
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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
Cas:792-74-5
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inquiryProduct Name: Biphenyl dimethyl dicarboxylate Synonyms: TIMTEC-BB SBB005981;RARECHEM AL BF 1412;4,4'-Biscarbomethoxybiphenyl; 4,4-Dicarboxymethylbiphenyl;Dimethyldiphenyldicarboxylate;v0
Cas:792-74-5
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inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:792-74-5
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inquiryBiphenyl dimethyl dicarboxylate CAS:792-74-5 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 org
Cas:792-74-5
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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
Cas:792-74-5
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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
Cas:792-74-5
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inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:792-74-5
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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
Cas:792-74-5
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inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures
Cas:792-74-5
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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
Cas:792-74-5
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Cas:792-74-5
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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
Cas:792-74-5
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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
Cas:792-74-5
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inquiryProduct name: Dimethyl Biphenyl-4,4’-Dicarboxylate CAS No.: 792-74-5 Molecule Formula:C16H14O4 Molecule Weight:270.28 Purity: 99.0% Package: 25kg/drum Description:White or off-white crystalline powder Manufacture Standards:Enterprise St
Cas:792-74-5
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Type:Lab/Research institutions
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 o
Cas:792-74-5
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inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam
Cas:792-74-5
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inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:792-74-5
Min.Order:1 Kilogram
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inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
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inquiryGMP 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,
Cas:792-74-5
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inquiryBiphenyl dimethyl dicarboxylate Basic information Product Name: Biphenyl dimethyl dicarboxylate Synonyms: TIMTEC-BB SBB005981;RARECHEM AL BF 1412;4,4''-BIPHENYLDICARBOXYLIC ACID DIMETHYL ESTER 98+%;B.D.D.;4,4'-Biscarbomethoxybiphen
Cas:792-74-5
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
Cas:792-74-5
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:792-74-5
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryShandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
Cas:792-74-5
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Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With caesium carbonate; hydroquinone; palladium diacetate In N,N-dimethyl acetamide at 75℃; for 2h; Ullmann coupling; | 99% |
With dipotassium hydrogenphosphate; digold(I)bis(diphenylphosphinomethane)dichloride; triethylamine In methanol; acetonitrile at 20℃; for 16h; Inert atmosphere; UV-irradiation; | 91% |
With Palladacycle; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 100℃; for 12h; | 76% |
Conditions | Yield |
---|---|
With (1E,2E)-N1,N2-bis(2,6-dimethylphenyl)ethane-1,2-diimine; nickel dibromide; zinc In tetrahydrofuran at 70℃; for 10h; Inert atmosphere; | 99% |
With Ni(acetylacetate)2; 2,3,5,6-tetramethyl-1,4-bis(trimethylsilyl)-1,4-diaza-2,5-cyclo-hexadiene In toluene at 80℃; for 18h; | 96% |
With sodium hydroxide; triethylammonium formate; zinc In methanol for 3h; Heating; | 95% |
methyl 4-(methanesulfonyloxy)benzoate
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With tetraethylammonium iodide; zinc; bis(triphenylphosphine)nickel(II) chloride In tetrahydrofuran at 67℃; for 10h; | 99% |
bis(triphenylphosphine)nickel(II) chloride; tetraethylammonium iodide; zinc In tetrahydrofuran 1.) r.t., 5 min, 2.) 67 deg C, 10 h; Yield given; |
methyl 4-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)benzoate
Methyl 4-chlorobenzoate
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With palladium diacetate; cesium fluoride; CyJohnPhos In 1,4-dioxane at 25℃; Inert atmosphere; | 99% |
With potassium phosphate tribasic hydrate; NiIICl(1-naphthyl)(tricyclohexylphosphine)2; tricyclohexylphosphine In tetrahydrofuran at 23℃; for 2h; Suzuki-Miyaura Coupling; Inert atmosphere; Glovebox; Sealed tube; | 97% |
With cesium fluoride; palladium diacetate; CyJohnPhos In 1,4-dioxane at 25℃; for 18h; Product distribution / selectivity; | 96% |
With potassium phosphate; (1,2-bis(diphenylphosphino)ethane)nickel(II) chloride; 1,2-bis-(diphenylphosphino)ethane In 1,4-dioxane at 110℃; for 18h; Suzuki-Miyaura cross-coupling; Inert atmosphere; | 67% |
methyl 4-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)benzoate
4-methoxycarbonylphenyl bromide
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With potassium phosphate tribasic hydrate; NiIICl(1-naphthyl)(tricyclohexylphosphine)2; tricyclohexylphosphine In tetrahydrofuran at 23℃; for 20h; Suzuki-Miyaura Coupling; Inert atmosphere; Glovebox; Sealed tube; | 99% |
With potassium phosphate; (1,2-bis(diphenylphosphino)ethane)nickel(II) chloride; 1,2-bis-(diphenylphosphino)ethane In 1,4-dioxane at 110℃; for 18h; Suzuki-Miyaura cross-coupling; Inert atmosphere; | 79% |
methyl 4-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)benzoate
methyl 4-(methanesulfonyloxy)benzoate
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With bis(1,5-cyclooctadiene)nickel (0); potassium phosphate; tricyclohexylphosphine In tetrahydrofuran at 25℃; for 4h; Inert atmosphere; | 99% |
With potassium phosphate tribasic hydrate; NiIICl(1-naphthyl)(tricyclohexylphosphine)2; tricyclohexylphosphine In tetrahydrofuran at 23℃; for 1.5h; Suzuki-Miyaura Coupling; Inert atmosphere; Glovebox; Sealed tube; | 97% |
With potassium phosphate; trans-chloro(1-naphthyl)bis-(triphenylphosphine)nickel(II); tricyclohexylphosphine In tetrahydrofuran at 25℃; for 12h; Suzuki coupling; Inert atmosphere; | 95% |
With bis(1,5-cyclooctadiene)nickel (0); cesium fluoride; tricyclohexylphosphine In toluene at 120℃; for 24h; | 20% |
methyl 4-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)benzoate
methyl 4-iodobenzoate
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With potassium phosphate tribasic hydrate; NiIICl(1-naphthyl)(tricyclohexylphosphine)2; tricyclohexylphosphine In tetrahydrofuran at 23℃; for 16h; Suzuki-Miyaura Coupling; Inert atmosphere; Glovebox; Sealed tube; | 98% |
4-methoxycarbonylphenyl bromide
4-methoxycarbonylphenylboronic acid
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With potassium carbonate In ethanol; water at 80℃; for 10h; Catalytic behavior; Suzuki Coupling; | 97.3% |
4-methoxycarbonylphenylboronic acid
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With C54H74Cl2N4O2Pd2 In ethanol at 22℃; for 6h; | 97% |
With Cu2(ophen)2 In N,N-dimethyl-formamide at 20℃; for 20h; | 95% |
With palladium diacetate at 20℃; for 0.5h; | 93% |
Conditions | Yield |
---|---|
Stage #1: 4,4'-diphenic acid With thionyl chloride Reflux; Stage #2: methanol at 0℃; | 95% |
With phosphorus pentachloride | |
Stage #1: 4,4'-diphenic acid With thionyl chloride Reflux; Stage #2: methanol at 0℃; | |
With sulfuric acid Reflux; |
4,4'-diphenic acid
methyl iodide
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 70℃; for 24h; Sealed tube; | 95% |
methyl 4-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)benzoate
methyl 4-(tosyloxy)benzoate
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With potassium phosphate; bis (1,5-cyclopentadiene)nickel (0); tricyclohexylphosphine In tetrahydrofuran at 25℃; for 8h; Inert atmosphere; | 93% |
With potassium phosphate; bis(1,5-cyclooctadiene)nickel (0); tricyclohexylphosphine In tetrahydrofuran at 20 - 25℃; for 8 - 12h; Product distribution / selectivity; | 93% |
methanol
(4,4'-dimethyl-1,1'-biphenyl)
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With carbon tetrabromide; oxygen for 48h; Irradiation; | 93% |
With 2,3-dicarboxyanthraquinone; oxygen for 48h; Irradiation; | 87% |
With hydrogenchloride; oxygen; 9-(2-mesityl)-10-methylacridinium perchlorate at 20℃; under 760.051 Torr; for 30h; Schlenk technique; Irradiation; Green chemistry; | 76% |
4-methoxycarbonylphenyl bromide
A
4,4'-biphenyldicarboxylic acid dimethyl ester
B
methyl 4-benzylbenzoate
Conditions | Yield |
---|---|
With (1,2-dimethoxyethane)dichloronickel(II); lithium perchlorate; potassium carbonate; 4,4'-di-tert-butyl-2,2'-bipyridine In N,N-dimethyl-formamide at 20℃; Catalytic behavior; Solvent; Reagent/catalyst; Electrochemical reaction; Inert atmosphere; Glovebox; | A 5% B 93% |
methyl 4-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)benzoate
methyl 4-((N, N-dimethylsulfamoyl)oxy)benzoate
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With potassium phosphate; trans-chloro(1-naphthyl)bis-(triphenylphosphine)nickel(II); tricyclohexylphosphine In tetrahydrofuran at 25℃; for 18h; Suzuki coupling; Inert atmosphere; | 91% |
With bis(1,5-cyclooctadiene)nickel (0); cesium fluoride; tricyclohexylphosphine In toluene at 120℃; for 24h; | 38% |
4-iodoanisol
2-bromobenzoic acid methyl ester
A
benzoic acid methyl ester
B
2,2'-Dimethoxybiphenyl
C
4,4'-biphenyldicarboxylic acid dimethyl ester
D
2'-methoxy-biphenyl-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With pyridine; tetrabutylammonium tetrafluoroborate In acetonitrile at 20℃; Electrolysis; iron rod as anode; stainless steel grid as cathode; | A n/a B n/a C n/a D 90% |
[(E)-2-bromoethenyl]benzene
methyl 4-iodobenzoate
A
4,4'-biphenyldicarboxylic acid dimethyl ester
B
(E)-methyl 4-styrylbenzoate
Conditions | Yield |
---|---|
With C26H31IN2NiO2; zinc for 1.2h; | A 10% B 90% |
Methyl 4-chlorobenzoate
2-bromoanisole
A
4,4'-biphenyldicarboxylic acid dimethyl ester
B
methyl 2’-methoxy-[1,1'-biphenyl]-4-carboxylate
Conditions | Yield |
---|---|
With manganese; cobalt (II) bromide; triphenylphosphine; trifluoroacetic acid In pyridine; N,N-dimethyl-formamide at 50℃; | A 3 %Chromat. B 89% |
diazomethane
methyl 4-iodobenzoate
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
Stage #1: methyl 4-iodobenzoate; C8H8BO4Pol With palladium diacetate; potassium carbonate In water; acetonitrile at 100℃; for 5h; Wang resin; Suzuki-Miyaura Coupling; Sealed tube; Stage #2: With trifluoroacetic acid In dichloromethane at 20℃; for 0.833333h; Wang resin; Stage #3: diazomethane | 89% |
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With di-tert-butyl peroxide; palladium diacetate In acetonitrile at 60℃; for 12h; | 88% |
methyl 4-(tosyloxy)benzoate
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With 1,1'-bis-(diphenylphosphino)ferrocene; bis(acetylacetonato)palladium(II); zinc In tetrahydrofuran at 25℃; for 6h; | 87% |
bis(triphenylphosphine)nickel(II) chloride; tetraethylammonium iodide; zinc In tetrahydrofuran 1.) r.t., 5 min, 2.) 67 deg C, 10 h; Yield given; |
methyl coumalate
methyl 4-vinylbenzoate
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
palladium on activated charcoal In m-xylene at 140℃; for 12h; | 86% |
Methyl 4-(((4-fluorophenyl)sulfonyl)oxy)benzoate
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
bis(triphenylphosphine)nickel(II) chloride; tetraethylammonium iodide; zinc In tetrahydrofuran 1.) r.t., 5 min, 2.) 67 deg C, 5 h; | 85% |
Conditions | Yield |
---|---|
With 1,3-bis-(diphenylphosphino)propane; triethylamine; palladium diacetate In dimethyl sulfoxide at 70℃; for 1h; | 85% |
methanol
4-iodobenzoic acid
4-carboxyphenylboronic acid
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With potassium cyanide at 20℃; for 24h; | 85% |
Conditions | Yield |
---|---|
With manganese; 3-chloroprop-1-ene; trifluoroacetic acid; cobalt(II) bromide In pyridine; acetonitrile at 50℃; for 1.5h; | 84% |
With bis(triphenylphosphine)nickel(II) chloride; tetra-(n-butyl)ammonium iodide; zinc |
1-bromo-4-methoxy-benzene
Methyl 4-chlorobenzoate
A
4,4'-biphenyldicarboxylic acid dimethyl ester
B
methyl 4-(4'-methoxyphenyl)benzoate
Conditions | Yield |
---|---|
With manganese; cobalt (II) bromide; triphenylphosphine; trifluoroacetic acid In pyridine; N,N-dimethyl-formamide at 50℃; | A 6 %Chromat. B 84% |
Methyl 4-((phenylsulfonyl)oxy)benzoate
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
bis(triphenylphosphine)nickel(II) chloride; tetraethylammonium iodide; zinc In tetrahydrofuran 1.) r.t, 5 min, 2.) 67 deg C, 5 h; | 83% |
2-bromobenzoic acid methyl ester
Ethyl 4-bromobenzoate
A
benzoic acid methyl ester
B
diethyl biphenyl-4,4'-dicarboxylate
C
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With pyridine; tetrabutylammonium tetrafluoroborate In acetonitrile at 20℃; Electrolysis; iron rod as anode; stainless steel grid as cathode; | A n/a B n/a C n/a D 82% |
bromostyrene
methyl 4-iodobenzoate
A
4,4'-biphenyldicarboxylic acid dimethyl ester
B
(E)-methyl 4-styrylbenzoate
C
1,4-diphenyl-1,3-butadiene
Conditions | Yield |
---|---|
With bis(1,5-cyclooctadiene)nickel (0); 4,4'-di-tert-butyl-2,2'-bipyridine; magnesium chloride; zinc In tetrahydrofuran at 0 - 20℃; for 12h; Reagent/catalyst; Schlenk technique; Sealed tube; Inert atmosphere; | A 8% B 82% C 20% |
With bis(1,5-cyclooctadiene)nickel (0); 4,4'-di-tert-butyl-2,2'-bipyridine; lithium chloride; magnesium chloride; zinc In tetrahydrofuran at 0 - 20℃; for 12h; Time; Temperature; Reagent/catalyst; Schlenk technique; Sealed tube; Inert atmosphere; | A 14% B 81% C 16% |
4,4'-biphenyldicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In acetic acid under 2844.3 Torr; for 0.5h; | 100% |
With rhodium(III) oxide; palladium 10% on activated carbon; hydrogen; acetic acid In water at 250℃; under 15201 - 45603.1 Torr; for 16h; | 96% |
4,4'-biphenyldicarboxylic acid dimethyl ester
dibenzothiophene-5,5′-dioxide-3,7-dicarboxylic acid
Conditions | Yield |
---|---|
With chlorosulfonic acid at 130 - 155℃; for 3h; | 99% |
With chlorosulfonic acid at 150℃; for 3h; | 95% |
With chlorosulfonic acid at 140℃; for 3h; | 0.862 g |
4,4'-biphenyldicarboxylic acid dimethyl ester
dimethyl 2,2’-dinitro-[1,1’-biphenyl]-4,4’-dicarboxylate
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 20℃; for 11h; | 98.3% |
Stage #1: 4,4'-biphenyldicarboxylic acid dimethyl ester With sulfuric acid at 20℃; for 0.166667h; Stage #2: With nitric acid at 20℃; for 4.33333h; Cooling with ice; | 90% |
Stage #1: 4,4'-biphenyldicarboxylic acid dimethyl ester With sulfuric acid at 20℃; for 0.166667h; Stage #2: With nitric acid at 20℃; for 4.33333h; | 90% |
4,4'-biphenyldicarboxylic acid dimethyl ester
dimethyl 2-nitro-[1,1’-biphenyl]-4,4’-dicarboxylate
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 5℃; Cooling with ice; | 97% |
With sulfuric acid; nitric acid at 0 - 20℃; for 24h; | 93% |
With sulfuric acid; nitric acid at -20 - 0℃; for 0.5h; | 89% |
4,4'-biphenyldicarboxylic acid dimethyl ester
water
4,4'-bis(hydroxymethyl)biphenyl
Conditions | Yield |
---|---|
With LiAlH4 In tetrahydrofuran; ethanol; acetone | 96.6% |
Conditions | Yield |
---|---|
With LiAlH4 In tetrahydrofuran; tetrahydrofuran-water; acetone | 96.6% |
With lithium aluminium tetrahydride In tetrahydrofuran for 2h; Reflux; | 90% |
With lithium aluminium tetrahydride at 75℃; for 12h; | 90% |
Conditions | Yield |
---|---|
With sulfuric acid In water; acetic acid at 120℃; for 24h; Reflux; | 96.6% |
With sodium hydroxide In tetrahydrofuran; water at 80℃; for 48h; Reflux; | 88% |
4,4'-biphenyldicarboxylic acid dimethyl ester
2-amino-[1,1′-biphenyl]-4,4′-dicarboxylic acid
Conditions | Yield |
---|---|
With potassium hydroxide In tetrahydrofuran; water for 16h; Reflux; | 95% |
Multi-step reaction with 3 steps 1: sulfuric acid; nitric acid / 0.25 h / 0 - 5 °C 2: tin; hydrogenchloride / water / 2 h / Reflux 3: potassium hydroxide; water / tetrahydrofuran / Reflux View Scheme |
4,4'-biphenyldicarboxylic acid dimethyl ester
1,1′-Biphenyl-4,4′-dicarbohydrazide
Conditions | Yield |
---|---|
With hydrazine hydrate at 70℃; for 24h; | 94% |
With hydrazine hydrate at 100℃; for 24h; | 92.6% |
With hydrazine hydrate In methanol; water for 12h; | 80% |
Conditions | Yield |
---|---|
With boric acid In pyridine; diphenylether at 160 - 250℃; for 13h; | 92.4% |
4,4'-biphenyldicarboxylic acid dimethyl ester
2-amino-4-phenylphenol
C38H24N2O2
Conditions | Yield |
---|---|
With boric acid In pyridine; diphenylether at 160 - 260℃; for 15h; | 89.7% |
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