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inquiryOur 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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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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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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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
Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
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1,3-DIHYDROXY-2-METHYLANTHRAQUINONE Chemical Properties Melting point 290℃ Boiling point 527.1±30.0 °C(Predicted) density 1.476 storage temp. Sealed in dry,2-8°C Colour Index 75350 pka 7.22±0.20(Predicted)
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Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
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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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inquiryProduct Name: 1,3-DIHYDROXY-2-METHYLANTHRAQUINONE Synonyms: 1,3-DIHYDROXY-2-METHYLANTHRAQUINONE;RUBIADIN;RUBIADINE;1,3-Dihydroxy-2-methyl-9,10-anthracenedione;1,3-Dihydroxy-2-methyl-9,10-anthraquinone;1,3-Dihydroxy-2-methylanthracene-9,10-dione;2-
oduct: Rubiadin CAS: 117-02-2 Type of Compound Code(s): ZQ3840 VQ4020 ZQ5880 Molecular formula: C15H10O4 Molecular weight: 254.242
Cas:117-02-2
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inquiry1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
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inquiryWhy is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:Herbal extr
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Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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inquiryhigh 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
J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
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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 day2. The products are provided with COA, HPLC, NMR, quality assurance, pac
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
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inquiryAnsciep 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
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inquiryAppearance: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
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inquirybest seller Application:API
Cas:117-02-2
Min.Order:0
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Type:Trading Company
inquirySupply top quality products with a reasonable price Application:api
Rubiadin cas 117-02-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Conditions | Yield |
---|---|
With aluminum (III) chloride; sodium chloride at 165 - 175℃; for 1h; Friedel-Crafts Acylation; | 65% |
With aluminum (III) chloride; sodium chloride at 130 - 170℃; for 0.75h; | 64% |
With aluminum (III) chloride; sodium chloride at 165 - 170℃; for 0.75h; Friedel-Crafts Acylation; | 40% |
With aluminum (III) chloride; sodium chloride | |
With aluminum (III) chloride Microwave irradiation; |
1,3-dimethoxy-2-methylanthraquinone
rubiadin
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid |
1-hydroxy-3-methoxy-2-methyl-9,10-anthraquinone
rubiadin
Conditions | Yield |
---|---|
With aluminium trichloride at 200℃; durch langsames Erhitzen; | |
With hydrogen bromide; acetic acid |
Conditions | Yield |
---|---|
With sulfuric acid at 150℃; durch kurzes Erhitzen (10 min); |
Conditions | Yield |
---|---|
With sulfuric acid at 120℃; | |
With sulfuric acid at 110 - 120℃; |
2-chloro-1,4-naphthoquinone
(Z)-1-Ethoxy-2-methyl-1,3-bis-trimethylsilanyloxy-buta-1,3-diene
rubiadin
Conditions | Yield |
---|---|
With hydrogenchloride 1.) benzene, r.t., 20-72 h; 2.) THF, r.t., 1-3 h; 3.) reflux, 1-5 h; Multistep reaction; |
rubiadin
Conditions | Yield |
---|---|
With hydrogenchloride at 140 - 150℃; |
1-methyl-4-nitrosobenzene
1,2,4-trihydroxy-3-methyl-anthraquinone
rubiadin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 2: aluminium chloride; carbon disulfide 3: fuming sulfuric acid 4: AlCl3 / 200 °C / durch langsames Erhitzen View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: aluminium chloride; carbon disulfide 2: fuming sulfuric acid 3: AlCl3 / 200 °C / durch langsames Erhitzen View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: tin; aqueous hydrochloric acid 2: aqueous H2SO4 / Diazotization 4: aluminium chloride; carbon disulfide 5: fuming sulfuric acid 6: AlCl3 / 200 °C / durch langsames Erhitzen View Scheme |
rubiadin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: fuming sulfuric acid 2: AlCl3 / 200 °C / durch langsames Erhitzen View Scheme |
2-methyl-3-methoxyaniline
rubiadin
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: aqueous H2SO4 / Diazotization 3: aluminium chloride; carbon disulfide 4: fuming sulfuric acid 5: AlCl3 / 200 °C / durch langsames Erhitzen View Scheme |
1,3-dichloro-2-methyl-anthraquinone
rubiadin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: aqueous HBr; acetic acid View Scheme |
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 22h; Reflux; | 100% |
With potassium carbonate; acetone |
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 20℃; for 20h; | 100% |
With potassium carbonate In acetone |
2-deoxy-3,5-di-O-(p-toluoyl)-α-D-erythro-pentofuranosyl chloride
rubiadin
Conditions | Yield |
---|---|
Stage #1: rubiadin With sodium hydride In acetonitrile; mineral oil at 0℃; for 0.166667h; Stage #2: 2-deoxy-3,5-di-O-(p-toluoyl)-α-D-erythro-pentofuranosyl chloride at 20℃; for 0.333333h; | 93% |
rubiadin
4-bromo-1,3-dihydroxy-2-methylanthraquinone
Conditions | Yield |
---|---|
With N-Bromosuccinimide; dibenzoyl peroxide In tetrachloromethane for 24h; Reflux; | 60% |
With bromine; sodium acetate; acetic acid |
Conditions | Yield |
---|---|
With acetic anhydride |
rubiadin
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
1-hydroxy-2-methyl-3-(tetra-O-acetyl-β-D-glucopyranosyloxy)-anthraquinone
Conditions | Yield |
---|---|
With sodium hydroxide; acetone |
Conditions | Yield |
---|---|
With quinoline; silver(l) oxide |
Conditions | Yield |
---|---|
(methylation); |
Conditions | Yield |
---|---|
With pyridine | |
With potassium carbonate |
rubiadin
3-β-D-glucopyranosyloxy-1-hydroxy-2-methyl-anthraquinone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetone; aq. NaOH solution 2: methanol; aq. NaOH solution View Scheme |
rubiadin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetone; aq. NaOH solution 2: acetone; silver oxide View Scheme |
rubiadin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetone; aq. NaOH solution 2: pyridine View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium carbonate / acetone / 20 h / 20 °C 2: potassium carbonate / acetone / 22 h / Reflux View Scheme | |
Multi-step reaction with 2 steps 1: potassium carbonate / acetone 2: potassium carbonate; dimethyl sulfate / acetone / 22 h / Reflux View Scheme |
rubiadin
1-methoxy-3-acetoxy-2-bromomethyl-1-methoxyathraquinone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: potassium carbonate / acetone / 20 h / 20 °C 2: potassium carbonate / acetone / 22 h / Reflux 3: N-Bromosuccinimide; dibenzoyl peroxide / tetrachloromethane / 24 h / Reflux View Scheme | |
Multi-step reaction with 3 steps 1: potassium carbonate / acetone 2: potassium carbonate; dimethyl sulfate / acetone / 22 h / Reflux 3: N-Bromosuccinimide / tetrachloromethane / 30 h / Reflux View Scheme |
rubiadin
2-ethoxymethyl-3-hydroxy-1-methoxyanthracene-9,10-dione
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: potassium carbonate / acetone / 20 h / 20 °C 2: potassium carbonate / acetone / 22 h / Reflux 3: N-Bromosuccinimide; dibenzoyl peroxide / tetrachloromethane / 24 h / Reflux 4: sodium hydroxide / water / 24 h / 20 °C View Scheme | |
Multi-step reaction with 4 steps 1.1: potassium carbonate / acetone 2.1: potassium carbonate; dimethyl sulfate / acetone / 22 h / Reflux 3.1: N-Bromosuccinimide / tetrachloromethane / 30 h / Reflux 4.1: sodium hydroxide; water / ethanol 4.2: Reflux View Scheme |
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