Dayangchem'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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inquiryADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,
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
Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
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inquiryProduct Name: 5-Hydroxy-1,4-naphthalenedione Synonyms: 5-hydroxy-4-naphthalenedione;5-hydroxy-4-naphthoquinone;5-Hydroxynaphthoquinone;8-Hydroxy-1,4-naphthalenedione;8-HYDROXY-1,4-NAPHTHOQUINONE;5-HYDROXY-1,4-NAPHTHALENEDIONE;5-HYDROXY-1,4-NAPH
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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
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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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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
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inquiryChengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medic
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
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
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inquiryWhy Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
Zibo 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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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 on.O
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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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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
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inquiryHubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)
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inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
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
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inquiry1.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
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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
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
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inquiryLower 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
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Conditions | Yield |
---|---|
With air; C32H36Br2N4 In methanol; dichloromethane at 20℃; for 1h; Irradiation; | 100% |
With C39H50N7O2S(1+)*F6P(1-); N,N,N-trimethyl-N-propylammonium bis(trifluoromethanesulfonyl)imide at 25℃; for 3h; Kinetics; UV-irradiation; | 100% |
With C171H45BF2N4; oxygen In methanol; dichloromethane at 20℃; Kinetics; Quantum yield; Reagent/catalyst; | 99.9% |
Conditions | Yield |
---|---|
With water; trifluoroacetic acid at 72℃; for 0.75h; | 95% |
Conditions | Yield |
---|---|
With K10 montmorillonite; iodic acid for 0.366667h; Heating; | 92% |
With 1,1,1,3',3',3'-hexafluoro-propanol; urea hydrogen peroxide adduct at 45℃; Sealed tube; Green chemistry; | 83% |
With potassium nitrososulfonate; acetone |
[1,4]naphthoquinone
A
5-hydroxynaphtho-1,4-quinone
B
5,8-Dihydroxy-1,4-naphthoquinone
Conditions | Yield |
---|---|
With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; trifluoroacetic acid; trifluoroacetic anhydride; bis-[(trifluoroacetoxy)iodo]benzene at 80℃; for 12h; Reagent/catalyst; Sealed tube; chemoselective reaction; | A 92% B 3% |
1,5-dihydroxynaphthalene
A
5-hydroxynaphtho-1,4-quinone
B
5-hydroxy-1,2-naphthoquinone
Conditions | Yield |
---|---|
With oxygen; salcomine In acetonitrile Product distribution; without catalyst-using methylene blue/irradiation instead, with various quenchers; | A 90% B 7% |
With salcomine; oxygen In acetonitrile Product distribution; Ambient temperature; other solvents, other temp., other reactive oxygen-compounds; | A 90% B 7% |
With salcomine; oxygen In acetonitrile for 0.5h; Ambient temperature; | A 71% B 14% |
Conditions | Yield |
---|---|
With aluminum (III) chloride In dichloromethane at 20℃; | 81% |
2-Methyl-1,5-naphthalindiol-5-acetat
5-hydroxynaphtho-1,4-quinone
Conditions | Yield |
---|---|
With oxygen; methylene blue In acetonitrile at 20℃; for 4h; Irradiation; | 78% |
5-hydroxynaphthalen-1-yl acetate
5-hydroxynaphtho-1,4-quinone
Conditions | Yield |
---|---|
With Rose Bengal on Merrifield resin; oxygen In acetone at 20℃; for 5h; UV-irradiation; | 68% |
With oxygen; methylene blue In acetonitrile at 20℃; for 4h; Irradiation; | 61% |
With rose bengal In tert-Amyl alcohol Irradiation; Heating; | 30% |
Conditions | Yield |
---|---|
With dihydrogen peroxide | 62% |
Conditions | Yield |
---|---|
With triethylamine In chloroform at -20℃; for 0.5h; Diels-Alder reaction; | 60% |
2,3,4,5,6-pentafluoroaniline
1,5-dihydroxynaphthalene
A
5-hydroxynaphtho-1,4-quinone
Conditions | Yield |
---|---|
With iodic acid In ethanol; water at 20℃; for 2h; | A 25% B 45% |
2,5-dihydroxy-2,3-dihydrobenzofuran
A
5-hydroxynaphtho-1,4-quinone
B
juglone
Conditions | Yield |
---|---|
With acid | A 15% B 44% |
2,3-epoxy-5-hydroxy-2,3-dihydro-1,4-naphthoquinone
A
5-hydroxynaphtho-1,4-quinone
B
3,5-dihydroxy-2,3-dihydro-1,4-naphthoquinone
C
2-Hydroxyjuglon
Conditions | Yield |
---|---|
With sodium acetate; acetic acid; sodium iodide; zinc for 1.5h; Ambient temperature; | A 33% B n/a C n/a |
C31H26O9
A
5-hydroxynaphtho-1,4-quinone
B
1,8-dihydroxy-11-methoxy-7,8,9,10-tetrahydronaphthacece-5,12-dione
Conditions | Yield |
---|---|
With base In methanol | A n/a B 7% |
Conditions | Yield |
---|---|
With iron(III) chloride | |
With bromine | |
With air | |
Multi-step reaction with 3 steps 1.1: sulphuric acid / 18 h 2.1: 420 mg / potassium carbonate / acetone / 3 h / Heating 3.1: hydrochloric acid 3.2: oxygen View Scheme |
Conditions | Yield |
---|---|
With iron(III) chloride; acetic acid |
Conditions | Yield |
---|---|
With diacetylnitric acid |
5-methoxynaphthalen-1-ol
A
5-hydroxynaphtho-1,4-quinone
B
5-methoxynaphthoquinone
C
8-Hydroxy-4-methoxy-1,2-naphthochinon
Conditions | Yield |
---|---|
With oxygen; methylene blue In methanol at 22℃; for 12h; Irradiation; |
1,8-dihydroxynaphthalene
A
5-hydroxynaphtho-1,4-quinone
B
8,8'-bijuglone
Conditions | Yield |
---|---|
Product distribution; oxidation; |
5-amino-8-hydroxy-[1,4]naphthoquinone
5-hydroxynaphtho-1,4-quinone
Conditions | Yield |
---|---|
With sodium hydroxide; hypophosphorous acid; sodium nitrite 1.) water, 2.) 40 deg C, 2 h; room temp., 10 h; Yield given. Multistep reaction; |
5-Methoxy-1-methylbenzindazol-4,9-chinon
5-hydroxynaphtho-1,4-quinone
Conditions | Yield |
---|---|
With aluminium trichloride In chloroform Heating; |
(-)-(4S)-4,8-dihydroxy-α-tetralone
5-hydroxynaphtho-1,4-quinone
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In benzene for 8h; Heating; | 10 mg |
5-hydroxynaphtho-1,4-quinone
Conditions | Yield |
---|---|
With ethanol; iron(III) chloride nach vorhergegangener Bildung von α-Hydrojuglon; |
5-hydroxynaphtho-1,4-quinone
Conditions | Yield |
---|---|
With water; iron(III) chloride |
5-hydroxynaphtho-1,4-quinone
Conditions | Yield |
---|---|
With 4-sulfobenzenediazonium Reduzieren des Gebildeten Azofarbstoffs mit Zn und HCl und Oxidieren des Reduktionsprodukts mit FeCl3; |
5-hydroxynaphtho-1,4-quinone
Conditions | Yield |
---|---|
With hydrogenchloride; iron(III) chloride |
Conditions | Yield |
---|---|
With silver(l) oxide In dichloromethane for 25h; Ambient temperature; | 100% |
With silver(l) oxide In chloroform at 20℃; | 100% |
With silver(l) oxide In chloroform Heating; | 98% |
2-iodo-propane
5-hydroxynaphtho-1,4-quinone
5-isopropoxy-1,4-naphthoquinone
Conditions | Yield |
---|---|
With silver(l) oxide In dichloromethane at 20℃; for 20h; Green chemistry; regioselective reaction; | 100% |
With silver(l) oxide In chloroform for 0.333333h; Ambient temperature; | 77% |
5-hydroxynaphtho-1,4-quinone
cyclopenta-1,3-diene
(1R*,4S*,4aR*,9aS*)-1,4,4a,9a-tetrahydro-5-hydroxy-1,4-methano-9,10-anthracenedione
Conditions | Yield |
---|---|
In chloroform for 0.5h; Ambient temperature; | 100% |
In propan-1-ol at 25℃; Thermodynamic data; Rate constant; other solvents and their mixture with water; isobaric activation parameters; | |
In dichloromethane at 20℃; Reflux; |
Conditions | Yield |
---|---|
Stage #1: 5-hydroxynaphtho-1,4-quinone In ethanol for 0.25h; Stage #2: 2-Fluoroaniline In ethanol for 4h; Reflux; | 100% |
Conditions | Yield |
---|---|
With sodium dithionite In water; ethyl acetate at 30℃; for 0.5h; Inert atmosphere; | 99% |
With sodium dithionite In water; ethyl acetate at 30℃; for 0.5h; Inert atmosphere; | 98.8% |
With sodium dithionite In diethyl ether; dichloromethane; water at 20℃; for 0.25h; Solvent; Temperature; | 68% |
5-hydroxynaphtho-1,4-quinone
benzyl bromide
5-(benzyloxy)-1,4-dihydronaphthalene-1,4-dione
Conditions | Yield |
---|---|
With silver(l) oxide In chloroform at 20℃; for 24h; | 99% |
With silver(l) oxide In chloroform | 90% |
With silver(l) oxide In chloroform for 2h; | 80% |
With silver(II) oxide In dichloromethane | 65% |
With silver(l) oxide In chloroform |
5-hydroxynaphtho-1,4-quinone
ethyl iodide
5-ethoxy-1,4-dihydronaphthalene-1,4-dione
Conditions | Yield |
---|---|
With silver(l) oxide In dichloromethane at 20℃; for 20h; Green chemistry; regioselective reaction; | 99% |
With silver(l) oxide In chloroform at 20℃; for 24h; | 97% |
Stage #1: 5-hydroxynaphtho-1,4-quinone With potassium carbonate In acetone at 20℃; for 0.0833333h; Stage #2: ethyl iodide In acetone at 80℃; for 1h; | 88% |
Conditions | Yield |
---|---|
With triethylamine at 120℃; for 0.5h; | 98% |
With sulfuric acid for 0.25h; Cooling with ice; | 93% |
With sulfuric acid for 2h; Cooling with ice; | 91% |
5-hydroxynaphtho-1,4-quinone
(S)-(E)-1-(O-methylmandeloxy)butadiene
(S)-Methoxy-phenyl-acetic acid (1R,4aS,9aS)-8-hydroxy-9,10-dioxo-1,4,4a,9,9a,10-hexahydro-anthracen-1-yl ester
Conditions | Yield |
---|---|
With triacetoxyborane In chloroform 1.) 0 deg C, 2.) room temperature; | 98% |
Conditions | Yield |
---|---|
Stage #1: 5-hydroxynaphtho-1,4-quinone With triethylamine In diethyl ether at 20℃; for 0.5h; Stage #2: tetradecanoyl chloride In diethyl ether at 20℃; for 1h; | 98% |
With triethylamine In benzene Heating; | |
With dmap In dichloromethane at 0 - 20℃; |
(Z)-9-octadecenoyl chloride
5-hydroxynaphtho-1,4-quinone
5-{(Z)-octadec-9-enoyloxy}-1,4-naphthoquinone
Conditions | Yield |
---|---|
Stage #1: 5-hydroxynaphtho-1,4-quinone With triethylamine In diethyl ether at 20℃; for 0.5h; Stage #2: (Z)-9-octadecenoyl chloride In diethyl ether at 20℃; for 1h; | 98% |
With pyridine; dmap at 20℃; for 3h; |
n-dodecanoyl chloride
5-hydroxynaphtho-1,4-quinone
5-O-dodecanoyloxy-1,4-naphthoquinone
Conditions | Yield |
---|---|
Stage #1: 5-hydroxynaphtho-1,4-quinone With triethylamine In diethyl ether at 20℃; for 0.5h; Stage #2: n-dodecanoyl chloride In diethyl ether at 20℃; for 1h; | 98% |
With dmap In dichloromethane at 0 - 20℃; |
5-hydroxynaphtho-1,4-quinone
2-amino-8-hydroxy-naphthalene-1,4-dione
Conditions | Yield |
---|---|
With hydrogenchloride; sodium azide In methanol; water for 6h; Ambient temperature; | 97% |
With hydrogenchloride; sodium azide In methanol; water at 30 - 35℃; for 22h; pH=4; Inert atmosphere; | 94% |
With trimethylsilylazide; triethylamine In N,N-dimethyl-formamide for 1h; Ambient temperature; | 91% |
1-acetoxy-1,3-butadiene
5-hydroxynaphtho-1,4-quinone
1-acetoxy-8-hydroxy-9,10-dioxo-1,4,4a,9,9a,10-hexahydroanthracene
Conditions | Yield |
---|---|
96.8% |
5-hydroxynaphtho-1,4-quinone
iodomethylbenzene
5-(benzyloxy)-1,4-dihydronaphthalene-1,4-dione
Conditions | Yield |
---|---|
With silver(l) oxide In chloroform Heating; | 96% |
5-hydroxynaphtho-1,4-quinone
Stearoyl chloride
5-O-octadecanoyloxy-1,4-naphthoquinone
Conditions | Yield |
---|---|
Stage #1: 5-hydroxynaphtho-1,4-quinone With triethylamine In diethyl ether at 20℃; for 0.5h; Stage #2: Stearoyl chloride In diethyl ether at 20℃; for 1h; | 96% |
With pyridine; dmap at 20℃; for 3h; |
Conditions | Yield |
---|---|
Stage #1: 5-hydroxynaphtho-1,4-quinone With triethylamine In diethyl ether at 20℃; for 0.5h; Stage #2: n-hexadecanoyl chloride In diethyl ether at 20℃; for 1h; | 96% |
With dmap In dichloromethane at 0 - 20℃; | 49% |
5-hydroxynaphtho-1,4-quinone
3-chlorojuglone
Conditions | Yield |
---|---|
With iodine; mercury dichloride; copper dichloride In acetic acid at 60℃; for 3h; | 95% |
Stage #1: 5-hydroxynaphtho-1,4-quinone With chlorine; acetic acid at 20℃; for 0.5h; Stage #2: In ethanol for 0.25h; Heating; | 85% |
Stage #1: 5-hydroxynaphtho-1,4-quinone With chlorine In acetic acid for 0.5h; Stage #2: With ethanol for 0.5h; Reflux; | 56% |
5-hydroxynaphtho-1,4-quinone
2-bromo-5-hydroxy-[1,4]naphthoquinone
Conditions | Yield |
---|---|
With trichloro(N,N'-ethylene-bis-aminobenzamide)lanthanum(III); bromine In tetrachloromethane at 50℃; for 0.416667h; further reagent: trichloro(N,N'-ethylene-bis-aminobenzamide)samarium(III); | 95% |
With aluminum oxide; bromine for 1.5h; Ambient temperature; other reagents: iodine monobromide, acetic acid; | 94% |
With copper(II) bromide supported on alumina In various solvent(s) at 128℃; for 42h; | 40% |
With bromine In chloroform for 0.233333h; |
5-hydroxynaphtho-1,4-quinone
cyclopenta-1,3-diene
(1R*,4S*,4aR*,9aS*)-1,4,4a,9a-tetrahydro-5-hydroxy-1,4-methano-anthracene-9,10-quinone
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 2h; Diels-Alder reaction; | 95% |
In benzene for 1h; Heating; | 75% |
5-hydroxynaphtho-1,4-quinone
N-methyl-N-tert-butyldimethylsilyl-1,1,1-trifluoroacetamide
Conditions | Yield |
---|---|
With tert-butyldimethylsilyl chloride In acetonitrile at 60℃; for 0.5h; | 95% |
Conditions | Yield |
---|---|
Stage #1: 5-hydroxynaphtho-1,4-quinone With dimethyl amine In water for 1h; Stage #2: With hydrogenchloride; water for 24h; Reflux; | 95% |
Multi-step reaction with 2 steps 1: 20 percent / 30percent H2O2, K / toluene / 0.25 h / Ambient temperature 2: ccHCl View Scheme | |
Multi-step reaction with 2 steps 1: 30 percent / H2O / Ambient temperature 2: 90 percent / cond. HCl View Scheme | |
Multi-step reaction with 2 steps 1: dodecatungstosilic acid / 48 h / 20 °C 2: potassium hydroxide / methanol / 6 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: toluene; tetrahydrofuran / 24 h / -20 °C 2: hydrogenchloride; water / 1,4-dioxane / 5 h / Reflux View Scheme |
5-hydroxynaphtho-1,4-quinone
Ni(C10H5O3)2(H2O)2
Conditions | Yield |
---|---|
With NH3 In ethanol; water to aq. soln. Ni(OAc)2*H2O soln. 5-HNQ in boiling ethanol added slowly with stirring, pH adjusted to 5 with 25% NH3 and mixt. left stirring at room temp. for 3 h and kept in refrigerator overnight; ppt. washed with warm water, ethanol, diethyl ether and dried in vac. desiccator over P2O5; elem. anal.; | 95% |
Conditions | Yield |
---|---|
Stage #1: 5-hydroxynaphtho-1,4-quinone; acetyl chloride With dmap In dichloromethane at 20℃; for 1h; Stage #2: With triethylamine In dichloromethane | 95% |
5-hydroxynaphtho-1,4-quinone
(-)-{1-(R)-[(1E)-2-methylbuta-1,3-dienyloxy]ethyl}benzene
1,4,4a,9a-Tetrahydro-8-hydroxy-2-methyl-1-(1-phenylethoxy)-9,10-anthraquinone
Conditions | Yield |
---|---|
In toluene Heating; | 93% |
Conditions | Yield |
---|---|
With sulfuric acid In acetic acid at 20℃; under 760.051 Torr; for 2h; Inert atmosphere; | 93% |
5-hydroxynaphtho-1,4-quinone
chloromethyl methyl ether
5-(methoxymethoxy)-1,4-naphthoquinone
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 25℃; Substitution; | 92% |
With N-ethyl-N,N-diisopropylamine In dichloromethane for 14.25h; Inert atmosphere; | 92% |
With sodium hydride In tetrahydrofuran at 25℃; for 18h; | 85% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 16h; Green chemistry; regioselective reaction; | 79% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 3h; |
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