As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
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inquiryWelcome 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
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inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
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inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
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
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
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inquiryStock products, own laboratory Product number 17482 English Name (±)-1,1-Bi(2-Naphthol) CAS Number 602-09-5 Purity 98% Molecular f
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inquiry602-09-5 1,1'-Bi-2-naphthol Now we would like to update our product list for you, kindly check the below information: 1. Catalyst series ( such as Noble Metal Catalyst, Phosphorous ligand, etc ) 2. Pharmaceutical Intermediate
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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 manufacturin
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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
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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
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inquiryProduct Name: 1,1'-Bi-2-naphthol Synonyms: (+/-)-1,1'-BINAPHTHALENE-2,2'-DIOL;1,1'-BI-2,2'-NAPHTHOLS;(+/-)-1,1'-BI(2-NAPHTHOL);1,1'-BI-2-NAPHTHOL;[1,1']BINAPHTHALENYL-2,2'
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inquiry1)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 etc. 3) oem/odm available; 4) rea
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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
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inquiry1,1'-Bi-2-naphthol CAS:602-09-5 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 organic inte
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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
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inquiry1,1'-Bi-2-naphthol CAS: 602-09-5 Specification Name:1,1'-Bi-2-naphthol 602-09-5 Other name: (±)-1,1'-Bi(2-naphthol) Cas: 602-09-5 Color:white Purity:99%min Molecular formula:C20H14O2 Molecular weight:286.33 Melting point:
Hangzhou Fanda Chemical Co.,Ltd (FandaChem) , a China-based chemical company, specialize in exporting 1,1'-Bi-2-naphthol 98% 602-09-5;Please contact us by email freely. We are leading exporter in China. If you really need this car
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inquiryBest 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
Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By
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inquiryHangzhou 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
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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
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
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inquiryProName: High purity 1,1'-Bi-2-naphthol 98% TOP... CasNo: 602-09-5 Molecular Formula: C20H14O2 Appearance: white to beige powder Application: It is an important raw material and in... DeliveryTime: prompt PackAge: according to the clients
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inquiryour strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery
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inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
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inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
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inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
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inquiryOur Strength:-Flexible: We work in small teams with rapid communication channels. Respond quickly and efficiently to customer and market needs.-Innovative: We are focusing on the development of new products and keep close relationships with our custo
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inquiryConditions | Yield |
---|---|
With C24H13Cu2F9N4O7; oxygen In isopropyl alcohol at 90℃; under 760.051 Torr; for 24h; | 100% |
With manganese (IV) dioxide In acetonitrile at 25℃; under 760.051 Torr; | 99.3% |
With 2,6-dimethylpyridine; sodium perchlorate In acetonitrile electrolysis; | 98.6% |
2,2'-dimethoxy-1,1'-binaphthyl
A
2-hydroxy-2'-methoxy-1,1'-binaphthyl
B
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With niobium pentachloride In toluene for 0.5h; Heating; | A 99% B 1% |
Conditions | Yield |
---|---|
With palladium diacetate In dichloromethane at 20℃; for 36h; Inert atmosphere; Schlenk technique; enantioselective reaction; | 98% |
With iron(III) trifluoromethanesulfonate In 1,2-dichloro-ethane for 10h; Reflux; Inert atmosphere; regioselective reaction; | 42% |
Conditions | Yield |
---|---|
With copper dichloride at 50 - 55℃; for 0.583333h; Neat (no solvent); | A 5% B 95% |
With hydrogenchloride; iron(III) chloride |
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 2h; | 95% |
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; |
rac-2,2'-bis-(methoxymethoxy)-1,1'-binaphthalene
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With 1-thiopropane; zinc dibromide In dichloromethane at 20℃; for 0.116667h; Inert atmosphere; | 95% |
C38H20Cl2O4
B
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol | A 93% B n/a |
<1,1'-Binaphthalene>-2,2'-diol dibutanoate
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 25℃; for 18h; | 92% |
C38H21NO6
B
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol | A 91% B n/a |
C34H17Cl2NO6
B
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol | A 90% B 88% |
<1,1'-Binaphthalene>-2,2'-diol butanoate
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 25℃; for 24h; | 90% |
3-hydroxy-2-naphthoic acid methyl ester
β-naphthol
A
dimethyl 2,2'-dihydroxy-1,1'-binaphthalene-3,3'-dicarboxylate
B
(aS)-methyl 2,2'-dihydroxy-1,1'-binaphthalene-3-carboxylate
C
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With tert-butylamine; copper dichloride In methanol at 50℃; for 0.75h; oxidative cross-coupling; | A n/a B 87% C n/a |
With tert-butylamine; copper dichloride In methanol at 50℃; for 0.5h; Yields of byproduct given; | A n/a B 86% C n/a |
With tert-butylamine In methanol for 3h; Ambient temperature; | A 7 % Chromat. B 81% C 4 % Chromat. |
2,2'-bis(benzyloxy)-1,1'-binaphthalene
A
(rac)-2′-benzyloxy-1,1′-binaphtalene-2-ol
B
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With niobium pentachloride In toluene at -78℃; for 3h; | A 87% B 8% |
naphthalen-2-ylamine
β-naphthol
A
7H-dibenzo[c,g]carbazole
B
1,1'-binaphthalene-2,2'-diamine
C
2-amino-2’-hydroxy-1,1’-binaphthyl
D
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With rac-methylbenzylamine In methanol for 48h; Ambient temperature; | A 1 % Chromat. B 2 % Chromat. C 85% D 6 % Chromat. |
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at -20℃; for 0.5h; | 85% |
β-naphthol
Dimethyl-p-toluidine
A
1-(2-(dimethylamino)-5-methylphenyl)naphthalene-2-ol
B
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With methanesulfonic acid; 1,2,3,4,8,9,10,11,15,16,17,18,22,23,24,25-hexadecafluorophthalocyaninato-iron(II) In dichloromethane at 0℃; for 24h; Catalytic behavior; Reagent/catalyst; Temperature; Green chemistry; | A 84% B 18% |
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran at 0 - 20℃; for 0.666667h; | A 83% B n/a |
2-methyl-1,2-epoxypropane
(S)-6,6'-dibromo-1,1'-binaphthalene-2,2'-diol
A
6,6'-bis(2-hydroxy-2-methylpropyl)-1,1'-binaphthyl-2,2'-diol
B
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
Stage #1: (S)-6,6'-dibromo-1,1'-binaphthalene-2,2'-diol With n-butyllithium In tetrahydrofuran; hexane at -78 - -70℃; for 5h; Inert atmosphere; Stage #2: 2-methyl-1,2-epoxypropane With boron trifluoride diethyl etherate In tetrahydrofuran; hexane at -78 - -40℃; for 2h; Inert atmosphere; Stage #3: With hydrogenchloride In tetrahydrofuran; hexane; water at 20℃; pH=< 1; Cooling with ice; | A 82% B 5% |
4-methoxy-N,N-dimethylanilne
β-naphthol
A
1-(2-(dimethylamino)-5-methoxyphenyl)naphthalene-2-ol
B
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With methanesulfonic acid; 1,2,3,4,8,9,10,11,15,16,17,18,22,23,24,25-hexadecafluorophthalocyaninato-iron(II) In dichloromethane at 0℃; for 24h; Green chemistry; | A 82% B 20% |
7,22-dihydro-8,21-dioxa-tetranaphtho<2,1-b:1',2'-d:2'',1''-h:1''',2'''-j>cyclododecene
A
2,2'-di(bromomethyl)-1,1'-binaphthalene
B
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With boron tribromide In dichloromethane for 1h; 0 deg C - room temperature; | A 66.6% B 81.1% |
With boron tribromide In dichloromethane for 1h; 0 deg C - room temperature; | A 54.5% B 72.7% |
Conditions | Yield |
---|---|
With carbon dioxide; zinc; palladium on activated charcoal In water at 20℃; under 7500.6 Torr; for 48h; Ullmann coupling; | 81% |
With copper at 230℃; | |
With copper | |
Multi-step reaction with 5 steps 1: sodium hydride / N,N-dimethyl-formamide 2: sulfuryl dichloride / dichloromethane 3: potassium carbonate / N,N-dimethyl-formamide 4: 1,10-Phenanthroline; potassium tert-butylate / pyridine / 4 h / 120 °C / Microwave irradiation; Inert atmosphere 5: hydrogenchloride / ethanol; water / 3 h / 50 °C View Scheme |
3-hydroxy-2-naphthoic acid methyl ester
β-naphthol
A
(aS)-methyl 2,2'-dihydroxy-1,1'-binaphthalene-3-carboxylate
B
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With ytterbium(III) triflate; CuCl(OH)-TMEDA In tetrahydrofuran at 20℃; for 24h; Product distribution; Further Variations:; Reagents; Solvents; Catalysts; time; | A 81% B n/a |
CuCl(OH)-TMEDA In tetrahydrofuran at 20℃; for 48h; |
2,2′-bis(tert-butyldimethylsiloxy)-1,1′-binaphthalene
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With potassium hydrogen difluoride In methanol at 20℃; for 48h; | 79% |
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With boron tribromide In dichloromethane at -78℃; for 1h; | 78.7% |
1-bromo-2-naphthol
β-naphthol
A
1-bromo-2'-hydroxy-2,1'-dinaphthyl ether
B
(Naphthyl-(2))-(2-hydroxy-naphthyl-(1))-aether
C
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With sodium hydroxide at 100℃; for 4h; | A n/a B n/a C 77% |
With sodium hydroxide In toluene at 100℃; for 4h; Product distribution; Mechanism; var. base stoichiometry, var. solvents, var. base cation; other 2-naphthols; | |
With sodium hydroxide at 100℃; for 4h; Title compound not separated from byproducts; |
phenyl 2-hydroxy-3-naphthoate
β-naphthol
B
diphenyl 2,2'-dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylate
C
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With oxygen; (S,S)-2,2'-isopropylidenebis(4-phenyl-2-oxazoline); copper(l) chloride In tetrahydrofuran at 20℃; for 3h; | A 72% B n/a C n/a |
butyl 3-hydroxynaphthalene-2-carboxylate
β-naphthol
A
Butyl 2,2'-dihydroxy-1,1'-binaphthalene-3-carboxylate
B
2,2'-Dihydroxy-[1,1']binaphthalenyl-3,3'-dicarboxylic acid dibutyl ester
C
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With tert-butylamine; copper dichloride In isopropyl alcohol at 50℃; for 2h; Yields of byproduct given; | A 71% B n/a C n/a |
Conditions | Yield |
---|---|
With iron(III) chloride hexahydrate In toluene at 60℃; for 5h; | A 15% B 71% |
4-(4-methylphenyl)morpholine
β-naphthol
A
1-(5-methyl-2-morpholinophenyl)naphthalen-2-ol
B
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With methanesulfonic acid; 1,2,3,4,8,9,10,11,15,16,17,18,22,23,24,25-hexadecafluorophthalocyaninato-iron(II) In dichloromethane at 0℃; for 24h; Green chemistry; | A 71% B 34% |
Conditions | Yield |
---|---|
zeolite HSZ-360 In various solvent(s) for 5h; Heating; | 100% |
With HY zeolite In 1,2-dichloro-benzene at 180℃; for 4h; | 94% |
In toluene Reflux; Acidic conditions; | 94% |
1,1'-bi-2-naphthol
(S)-6,6'-dibromo-1,1'-binaphthalene-2,2'-diol
Conditions | Yield |
---|---|
With bromine In acetonitrile at 0℃; for 3h; | 100% |
With bromine In acetonitrile at 0℃; for 2.5h; | 99% |
With bromine at -78℃; | 99.9% |
chloromethyl methyl ether
1,1'-bi-2-naphthol
rac-2,2'-bis-(methoxymethoxy)-1,1'-binaphthalene
Conditions | Yield |
---|---|
Stage #1: 1,1'-bi-2-naphthol With sodium hydride In tetrahydrofuran at 0 - 20℃; Stage #2: chloromethyl methyl ether In tetrahydrofuran at 20℃; for 4.5h; | 100% |
With sodium hydride In tetrahydrofuran at 20℃; for 4h; | 98% |
Stage #1: 1,1'-bi-2-naphthol With sodium hydride In N,N-dimethyl-formamide at 0℃; for 1h; Inert atmosphere; Stage #2: chloromethyl methyl ether In N,N-dimethyl-formamide at 0 - 20℃; for 5h; Inert atmosphere; | 95% |
trifluoromethylsulfonic anhydride
1,1'-bi-2-naphthol
(+/-)-2,2'-bis(trifluoromethanesulfonyloxy)-1,1-binaphthyl
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0℃; for 6h; | 100% |
With 2,6-dimethylpyridine; dmap In dichloromethane | 99% |
With pyridine In dichloromethane at 20℃; for 6h; | 99% |
acetic anhydride
1,1'-bi-2-naphthol
2,2'-diacetoxy-1,1'-binaphthyl
Conditions | Yield |
---|---|
zeolite HSZ-360 In neat (no solvent) at 60℃; for 12h; | 100% |
With sodium hydroxide at 0 - 5℃; for 0.5h; | 98.6% |
With N,N'-diiodo-N,N'-1,2-ethanediylbis(p-toluenesulphonamide) at 80℃; for 0.25h; neat (no solvent); | 97% |
allyl methyl carbonate
1,1'-bi-2-naphthol
2,2'-bis(2-propenyloxy)-1,1'-binaphthyl
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0) In tetrahydrofuran at 25℃; for 24h; Condensation; | 100% |
1,1'-bi-2-naphthol
(Ra)-5,6,7,8,5',6',7',8'-octahydro-[1,1']binaphthalenyl-2,2'-diol
Conditions | Yield |
---|---|
With hydrogen; Ru on alumina support In ethanol at 100℃; under 37503.8 - 45004.5 Torr; for 3h; Product distribution / selectivity; | 100% |
With hydrogen; 5%-palladium/activated carbon In ethanol at 50 - 100℃; under 37503.8 - 60006 Torr; for 0.5 - 5.5h; Product distribution / selectivity; | 98% |
With hydrogen; 5%-palladium/activated carbon In ethanol at 70℃; under 37503.8 - 45004.5 Torr; Conversion of starting material; | 98% |
With hydrogen; Ru/C In ethanol at 50 - 70℃; under 37503.8 - 45004.5 Torr; for 0.5 - 1.5h; Product distribution / selectivity; | 98% |
1,1'-bi-2-naphthol
(+/-)-2,2'-bis(trifluoromethanesulfonyloxy)-1,1-binaphthyl
Conditions | Yield |
---|---|
100% |
2,6-dimethylpyridine
1,1'-bi-2-naphthol
(+/-)-2,2'-bis(trifluoromethanesulfonyloxy)-1,1-binaphthyl
Conditions | Yield |
---|---|
With dmap; trifluoromethanesulfonic acid anhydride In dichloromethane | 100% |
With dmap; trifluoromethanesulfonic acid anhydride In dichloromethane | 100% |
benzenesulfonyl chloride
1,1'-bi-2-naphthol
2-hydroxy-2'-phenylsulfonyloxy-1,1-binaphthyl
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0 - 20℃; | 100% |
2-formylbenzene boronic acid
(R)-1-Phenylethylhydroxylamine
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With magnesium sulfate; caesium carbonate In chloroform-d1 for 0.25h; | 100% |
dichloro(thiophene-2-yl)phosphine
1,1'-bi-2-naphthol
(1,1′-bi-2-naphthol(-2H))P(C4H3S)
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 1h; | 100% |
poly(methacrylic acid)
1,1'-bi-2-naphthol
(±)-1,1′-binaphthyl-2-2′-diyl dimetacrylate
Conditions | Yield |
---|---|
With phosphoric acid; trifluoroacetic anhydride In water at 20℃; for 0.25h; | 100% |
1,1'-bi-2-naphthol
(R)-6,6'-dibromo-1,1'-binaphth-2-ol
Conditions | Yield |
---|---|
With bromine In dichloromethane at -78℃; | 100% |
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With fluorosulfonyl fluoride; 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 20℃; Sealed tube; | 100% |
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With perchloric acid; chloroform-d1; d(4)-methanol at 95℃; for 96h; Inert atmosphere; | 100% |
bromoacetic acid
1,1'-bi-2-naphthol
Binaphtho-2,2'-diessigsaeure
Conditions | Yield |
---|---|
With potassium carbonate In methanol for 6h; Heating; | 99.6% |
With potassium carbonate In methanol |
2,2'-di(bromomethyl)-1,1'-binaphthalene
1,1'-bi-2-naphthol
A
7,22-dihydro-8,21-dioxa-tetranaphtho<2,1-b:1',2'-d:2'',1''-h:1''',2'''-j>cyclododecene
Conditions | Yield |
---|---|
With caesium carbonate In acetone for 24h; Heating; | A 99.3% B 98.9% |
allyl bromide
1,1'-bi-2-naphthol
2,2'-bis(2-propenyloxy)-1,1'-binaphthyl
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 24h; Reflux; | 99% |
With potassium carbonate for 0.0666667h; Microwave irradiation; | 95% |
With potassium carbonate In acetone |
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With n-BuLi In tetrahydrofuran; diethyl ether; hexane byproducts: HN(SiMe3)2; under anaerobic cond., 1 equiv. of n-BuLi in n-hexane was added to THF-soln. of naphthole-compd. at 0 °C, 1/3 equiv. of rare-earth compd.was added in Et2O to this soln., stirring at 0 °C for ca. 10 min; solvent was removed in vac., solid was recrystd. from THF-petroleum ether at -20 °C, elem. anal.; | 99% |
Conditions | Yield |
---|---|
With n-BuLi In tetrahydrofuran; diethyl ether; hexane byproducts: HN(SiMe3)2; under anaerobic cond., 1 equiv. of n-BuLi in n-hexane was added to THF-soln. of naphthole-compd. at 0 °C, 1/3 equiv. of rare-earth compd.was added in Et2O to this soln., stirring at 0 °C for ca. 10 min; solvent was removed in vac., solid was recrystd. from THF-petroleum ether at -20 °C; | 99% |
With n-BuLi In tetrahydrofuran; diethyl ether; hexane byproducts: HN(SiMe3)2; under anaerobic cond., 1 equiv. of n-BuLi in n-hexane was added to THF-soln. of naphthole-compd. at 0 °C, 1/3 equiv. of rare-earth compd.was added in Et2O to this soln., stirring at 0 °C for ca. 10 min; solvent was removed in vac., solid was recrystd. from THF-petroleum ether at -20 °C, elem. anal.; | 99% |
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With t-BuLi In tetrahydrofuran; diethyl ether; hexane byproducts: HN(SiMe3)2; under anaerobic cond., 1 equiv. of t-BuLi in hexane was added to THF-soln. of naphthole-compd. at 0 °C, 1/3 equiv. rare-earth compd. was added in Et2O to this soln., stirring at 0 °C for ca. 10 min; solvent was removed in vac., solid was recrystd. from THF-petroleum ether at -20 °C; | 99% |
1,1'-bi-2-naphthol
Conditions | Yield |
---|---|
With n-BuLi In tetrahydrofuran; diethyl ether; hexane byproducts: HN(SiMe3)2; under anaerobic cond., 1 equiv. of n-BuLi in n-hexane was added to THF-soln. of naphthole-compd. at 0 °C, 1/3 equiv. of rare-earth compd.was added in Et2O to this soln., stirring at 0 °C for ca. 10 min; solvent was removed in vac., solid was recrystd. from THF-petroleum ether at -20 °C, elem. anal.; | 99% |
Conditions | Yield |
---|---|
Stage #1: 1,1'-bi-2-naphthol With potassium tert-butylate In tetrahydrofuran at 0℃; for 0.25h; Stage #2: Diphenyliodonium triflate In tetrahydrofuran at 40℃; for 0.75h; | 99% |
Stage #1: 1,1'-bi-2-naphthol With potassium tert-butylate In tetrahydrofuran at 0℃; for 0.25h; Stage #2: Diphenyliodonium triflate In tetrahydrofuran at 40℃; for 0.75h; | 99% |
With sodium hydroxide In water at 20 - 50℃; for 17.5h; | 98% |
1,1'-bi-2-naphthol
1,1'-binaphthyl-2,2'-diyl sulfite
Conditions | Yield |
---|---|
With thionyl chloride; triethylamine In diethyl ether at 0℃; | 99% |
With pyridine; thionyl chloride In diethyl ether at 0℃; for 3h; Inert atmosphere; | 99% |
benzoic acid
1,1'-bi-2-naphthol
(±)-1,1′-binaphthyl-2-2′-diyl dibenzoate
Conditions | Yield |
---|---|
With phosphoric acid; trifluoroacetic anhydride In water at 20℃; for 0.25h; | 99% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In dichloromethane at 40℃; | 99% |
1-iodo-butane
carbon monoxide
1,1'-bi-2-naphthol
<1,1'-Binaphthalene>-2,2'-diol dipentanoate
Conditions | Yield |
---|---|
With rhodium(III) chloride; 1,3-bis-(diphenylphosphino)propane; sodium carbonate; sodium bromide In 1,4-dioxane at 120℃; under 750.075 Torr; for 24h; Inert atmosphere; chemoselective reaction; | 99% |
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