Diarrhea, cold blood detoxification, blood stasis. It is used for real heat constipation, the product is delayed abdominal pain, the diarrhea is not good, the humidity is hot and the jaundice, the blood is hot vomit the mouth, the eyes are red, the p
Cas:478-43-3
Min.Order:25 Kilogram
Negotiable
Type:Manufacturers
inquiryNanjing Spring & Autumn Biological Engineering Co., Ltd. Which was founded at 2008, has an R & D team composed very experienced natural products chemists. The company is a high-tech enterprise engaged in functional health care products raw ma
Cas:478-43-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAs 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
Cas:478-43-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
Cas:478-43-3
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquirySpecifications Type: Aloe Vera Powder Form: Powder Part: Leaf Extraction Type: gathered the yellow outflew Packaging: Drum, Vacuum P
Cas:478-43-3
Min.Order:1 Kilogram
FOB Price: $400.0 / 500.0
Type:Other
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
Cas:478-43-3
Min.Order:1
Negotiable
Type:Other
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:478-43-3
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:478-43-3
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
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
Cas:478-43-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryName:Rhein English Name: Esculin CAS No.478-43-3 Molecular formula:C15H8O6 Molecular weight:284.21 Packaging Specification: 25kg/drum high purity 99%min stock Hubei DiBo Chemical Co., Ltd. was founded in 2009, is a high-tech industrial un
Cas:478-43-3
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryProduct Name: Rhein Synonyms: 9,10-dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylicaci;9,10-dihydro-4,5-dihydroxy-9,10-dioxo-2-anthroicaci;chrysazin-3-carboxylicacid;monorhein;rheicacid
Cas:478-43-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
Cas:478-43-3
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Trading Company
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:478-43-3
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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
Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s
Cas:478-43-3
Min.Order:10 Gram
Negotiable
Type:Other
inquirySpecifications Productname:Rhein purity:98% HerbSourse:MedicinalplantsandrhubarbPolygonaceae Brief:Brownneedlecrystal … Appearance:brown Storage:dry and cool place Package:1kg/pack Application:pharma Transportation:by air ,ems Port:shanghai
Cas:478-43-3
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquiry1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: Rhein Structure: Formula: C15H8O6 Molecular Weight : 284.22 Synonyms: chrysazin-3-carboxylicacid;monorhein;rheicacid;RHUBARB EXTRACT;RHUBARB YELLOW;RHEIN;T
Cas:478-43-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:478-43-3
Min.Order:10 Gram
FOB Price: $1.32
Type:Trading Company
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the
Cas:478-43-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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 prese
Cas:478-43-3
Min.Order:1 Kilogram
FOB Price: $95.0 / 98.0
Type:Trading Company
inquiryRhein CAS:478-43-3 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 intermediates, steroi
Hello, 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
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
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
Why 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
Cas:478-43-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:Yellowish brown solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:Found
Product 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:478-43-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
Cas:478-43-3
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquirydiacetylrhein
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With sodium carbonate In water | 100% |
Stage #1: diacetylrhein With water; sodium carbonate Stage #2: With hydrogenchloride In water pH=2; | 100% |
With sodium hydroxide In water for 0.5h; | 60% |
Conditions | Yield |
---|---|
Stage #1: Chrysophanol With chromium(VI) oxide In acetic anhydride; acetic acid at 65℃; for 8h; Stage #2: With sodium carbonate In water | 98% |
Stage #1: Chrysophanol With pyridine at 20℃; Stage #2: With chromium(VI) oxide; acetic anhydride; acetic acid In water at 45 - 65℃; for 8h; | 98% |
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran for 0.5h; | 96% |
1,8-dihydroxy-3-hydroxymethyl-9,10-anthracenedione
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With oxygen at 120℃; for 14h; Green chemistry; | 93% |
With sulfuric acid; sodium nitrite at 120℃; for 3h; | 85% |
With water; pyridinium chlorochromate In N,N-dimethyl-formamide at 20℃; for 24h; | 62% |
4-(2-methoxybenzoyl)-5-methoxybenzene-1,3-dicarboxylic acid
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
at 155 - 160℃; for 14h; Inert atmosphere; | 92% |
rhein potassium
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With sulfuric acid In water pH=4.5 - 5; | 87% |
Ethyl 9,10-dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylate
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With sodium hydroxide for 24h; Ambient temperature; | 85% |
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With hydrogenchloride at 120℃; for 120h; | 74% |
3-carboxy-1,8-dimethoxyanthracene-9,10-dione
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With hydrogen bromide In toluene for 10h; Reflux; | 56% |
5-hydroxy-4-(2-hydroxybenzoyl)isophthalic acid
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With aluminium trichloride; sodium chloride at 150℃; for 2h; | 50% |
1,8,9-triacetoxy-3-methyl-anthracene
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With chromium(VI) oxide; acetic acid |
(+)-4,5,4',5'-tetrahydroxy-10,10'-dioxo-9,10,9',10'-tetrahydro-[9,9']bianthryl-2,2'-dicarboxylic acid
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With chromium(VI) oxide; acetic acid |
sennidin A-8-monoglucoside
A
1,8-dihydroxy-3-carboxy-anthraquinone
B
sennidin B
Conditions | Yield |
---|---|
With supernatant fluid of rat feces at 37℃; for 2h; Product distribution; anaerobic incubation; |
4-Acetoxy-5,9-dimethoxy-anthracene-2-carboxylic acid ethyl ester
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With chromium(VI) oxide; hydrogen bromide 1.) AcOH,; Yield given. Multistep reaction; |
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With sulfuric acid; bromine 1.) H2O; Yield given; Multistep reaction; |
rhein-11-O-β-D-glucoside
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water for 1h; Hydrolysis; Heating; | 4 mg |
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With water; iron(III) chloride |
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With chromium(VI) oxide; acetic acid |
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With chromic acid | |
With chromic acid Acetylieren des Oxydationsproduktes und Auskochen des Acetylierungsproduktes mit Benzol, man verseift mit verd. Kalilauge; |
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With acetic anhydride; chromic acid; acetic acid Behandeln des entstandenen Rheindiacetats mit Kalilauge; |
1,8-dihydroxy-3-carboxy-anthraquinone
1,8-dihydroxy-3-hydroxymethyl-9,10-anthracenedione
acetic acid
1,8-dihydroxy-3-carboxy-anthraquinone
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With water; iron(III) chloride |
8-O-β-D-glucosyl-10-C-β-D-glucosyl rhein-9-anthrone
A
D-Glucose
B
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With sulfuric acid; iron(III) chloride for 0.5h; Product distribution; Heating; |
8-O-β-D-gucosyl-10-hydroxy-10-β-D-gycosyl rhein-9-anthrone
A
D-Glucose
B
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
With sulfuric acid; iron(III) chloride for 0.5h; Product distribution; Heating; |
(2,4-dibromo-6-hydroxyphenyl)-(2-hydroxyphenyl)methanone
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 87 percent / K2CO3 / dimethylformamide / 12 h / 80 °C 2: 92 percent / Et3N; (dppf)PdCl2; dppf / dimethylformamide / 18 h / 80 °C / 750.06 Torr 3: KOH / methanol / 48 h / 60 °C 4: 414 mg / H2 / Pd/C / ethanol / 12 h / 20 °C / 750.06 Torr 5: 50 percent / AlCl3; NaCl / 2 h / 150 °C View Scheme |
(2-benzyloxy-4,6-dibromophenyl)-(2-benzyloxyphenyl)methanone
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 92 percent / Et3N; (dppf)PdCl2; dppf / dimethylformamide / 18 h / 80 °C / 750.06 Torr 2: KOH / methanol / 48 h / 60 °C 3: 414 mg / H2 / Pd/C / ethanol / 12 h / 20 °C / 750.06 Torr 4: 50 percent / AlCl3; NaCl / 2 h / 150 °C View Scheme |
5-benzyloxy-4-(2-benzyloxybenzoyl)isophthalic acid dimethyl ester
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: KOH / methanol / 48 h / 60 °C 2: 414 mg / H2 / Pd/C / ethanol / 12 h / 20 °C / 750.06 Torr 3: 50 percent / AlCl3; NaCl / 2 h / 150 °C View Scheme |
Conditions | Yield |
---|---|
With pyridine; dmap | 100% |
With dmap; triethylamine In acetic anhydride at 20℃; for 1h; | 95% |
With pyridine at 120℃; for 6h; | 93% |
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: 2-azidoethyl derivative With sodium iodide In N,N-dimethyl-formamide at 60 - 70℃; | 100% |
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: 2-methoxyethyl derivative With sodium iodide In N,N-dimethyl-formamide at 60 - 70℃; | 100% |
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: 3-methoxypropyl derivative With sodium iodide In N,N-dimethyl-formamide at 60 - 70℃; | 100% |
1,8-dihydroxy-3-carboxy-anthraquinone
BW-AQ-152
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: allyl derivative With sodium iodide In N,N-dimethyl-formamide at 60 - 70℃; | 100% |
1,8-dihydroxy-3-carboxy-anthraquinone
1,8-dibenzyloxy-9,10-anthraquinone-3-carboxylic acid benzyl ester
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: benzyl derivative With sodium iodide In N,N-dimethyl-formamide at 60 - 70℃; | 100% |
1,8-dihydroxy-3-carboxy-anthraquinone
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: ethyl derivative With sodium iodide In N,N-dimethyl-formamide at 60 - 70℃; | 100% |
1,8-dihydroxy-3-carboxy-anthraquinone
C27H32O6
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: isobutyl derivative With sodium iodide In N,N-dimethyl-formamide at 60 - 70℃; | 100% |
1,8-dihydroxy-3-carboxy-anthraquinone
C30H38O6
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: isopentyl derivative With sodium iodide In N,N-dimethyl-formamide at 60 - 70℃; | 100% |
1,8-dihydroxy-3-carboxy-anthraquinone
methyl 4,5-dimethoxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylate
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: methyl derivative With sodium iodide In N,N-dimethyl-formamide at 60 - 70℃; | 100% |
1,8-dihydroxy-3-carboxy-anthraquinone
BW-AQ-147
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: propyl derivative With sodium iodide In N,N-dimethyl-formamide at 60 - 70℃; | 100% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 80℃; | 93% |
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 20℃; | 84% |
1,8-dihydroxy-3-carboxy-anthraquinone
ethylene glycol
2-hydroxyethyl 4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylate
Conditions | Yield |
---|---|
With sulfuric acid at 85℃; for 1h; | 92% |
With sulfuric acid In toluene at 85℃; for 5h; | 72% |
With sulfuric acid at 80 - 90℃; |
1,8-dihydroxy-3-carboxy-anthraquinone
benzyl chloride
1,8-dibenzyloxy-9,10-anthraquinone-3-carboxylic acid benzyl ester
Conditions | Yield |
---|---|
With potassium carbonate; sodium iodide In N,N-dimethyl-formamide at 60℃; Inert atmosphere; | 92% |
With potassium carbonate; sodium iodide In N,N-dimethyl-formamide at 60℃; Inert atmosphere; | 92% |
With potassium carbonate; sodium iodide In N,N-dimethyl-formamide at 60℃; for 48h; Inert atmosphere; | 92% |
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; triethylamine In tetrahydrofuran at 20℃; | 91.6% |
With tetrabutylammomium bromide; triethylamine In tetrahydrofuran at 20℃; for 18h; | 90.6% |
With tetrabutylammomium bromide; triethylamine In tetrahydrofuran at 20℃; for 18h; | 89.8% |
1,8-dihydroxy-3-carboxy-anthraquinone
O,O'-diethyl {[2-(4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracen-2-yl)acetylamino](2-methoxyphenyl)methyl}phosphonate
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dimethyl sulfoxide at 0℃; for 0.25h; Stage #2: α-O,O'-diethyl amino(2-methoxyphenyl)methylphosphonate In dimethyl sulfoxide at 0 - 20℃; for 5h; | 90% |
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In methanol at 20℃; for 0.166667h; Cooling with ice; Stage #2: α-O,O'-diethyl amino(2-methoxyphenyl)methylphosphonate In methanol; N,N-dimethyl-formamide at 35℃; for 4h; | 90% |
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; triethylamine In tetrahydrofuran at 20℃; | 89.8% |
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; triethylamine In tetrahydrofuran at 20℃; | 89.2% |
With tetrabutylammomium bromide; triethylamine In tetrahydrofuran at 20℃; for 18h; | 89.2% |
1,8-dihydroxy-3-carboxy-anthraquinone
diethyl [1-amine(4-methoxyphenyl)methyl]phosphonate
O,O'-diethyl {[2-(4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracen-2-yl)acetylamino](4-methoxyphenyl)methyl}phosphonate
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dimethyl sulfoxide at 0℃; for 0.25h; Stage #2: diethyl [1-amine(4-methoxyphenyl)methyl]phosphonate In dimethyl sulfoxide at 0 - 20℃; for 5h; | 89% |
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dimethyl sulfoxide at 20 - 60℃; for 3h; Cooling with ice; | 89% |
1,8-dihydroxy-3-carboxy-anthraquinone
diethylene glycol
2-(2-hydroxyethoxy)ethyl 4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylate
Conditions | Yield |
---|---|
With sulfuric acid at 85℃; for 1h; | 88% |
1,8-dihydroxy-3-carboxy-anthraquinone
α-O,O'-diethyl amino(3-fluorophenyl)methylphosphonate
O,O'-diethyl {[2-(4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracen-2-yl)acetylamino](3-fluorophenyl)methyl}phosphonate
Conditions | Yield |
---|---|
Stage #1: 1,8-dihydroxy-3-carboxy-anthraquinone With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dimethyl sulfoxide at 0℃; for 0.25h; Stage #2: α-O,O'-diethyl amino(3-fluorophenyl)methylphosphonate In dimethyl sulfoxide at 0 - 20℃; for 5h; | 88% |
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In methanol; dimethyl sulfoxide at 10 - 20℃; for 5h; Cooling with ice; | 88% |
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; triethylamine In tetrahydrofuran at 20℃; | 87.7% |
With tetrabutylammomium bromide; triethylamine In tetrahydrofuran at 20℃; for 18.08h; | 87.5% |
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