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
Cas:128-13-2
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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:128-13-2
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryBrief Description Product name Ursodeoxycholic acid Synonyms Ursic acid 34784-46-7
Cas:128-13-2
Min.Order:1 Kilogram
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Type:Trading Company
inquiryWhy is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) 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 . 5) We c
Cas:128-13-2
Min.Order:1 Kilogram
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Type:Trading Company
inquiryAnalysis tests Standard Results Appearance White powder Conform with CP2005 Rotation +59.0。
Cas:128-13-2
Min.Order:1 Kilogram
FOB Price: $400.0 / 480.0
Type:Manufacturers
inquiryHubei Vanz Pharm Co. Ltd. is located in Wuhan, Hubei province. We are one of the most professional company in pharm/chmecial industry for more than 10 years. We export to many countries and area with very competitive price, high quality, good serv
Cas:128-13-2
Min.Order:1 Gram
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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
Cas:128-13-2
Min.Order:0 Metric Ton
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inquiryAbout us We are a Professionally Managed Biotech Company exclusively into the manufacturing, Marketing and Exporting of Plant Extracts and Health Care Products.There are 15 experts in our research team. We insist in innovation an
Cas:128-13-2
Min.Order:1 Kilogram
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Type:Other
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:128-13-2
Min.Order:1 Metric Ton
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Type:Manufacturers
inquiryUrsodeoxycholic acid CAS 128-13-2 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additives, Fine chemicals in distri
Cas:128-13-2
Min.Order:25 Kilogram
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Type:Trading Company
inquiryTNJ is a chemical company since 2001. Our specialization, your Confidence ! We keep committing to meet the needs of both market and customers with our innovative technology, high stable quality products and excellent service. We always combine econ
Cas:128-13-2
Min.Order:1 Kilogram
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inquiryUrsodeoxycholic acid CAS No.:128-13-2 Name: Ursodeoxycholic acid Synonyms: 3,7-Dihydroxycholan-24-oic acid; 3alpha,7beta-Dihydroxy-6beta-cholan-24-oic acid; Ursodiol Molecular Structure Molecular Formula:
Cas:128-13-2
Min.Order:1 Kilogram
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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
1. GMP AVALIABLE ; 2. IN STOCK 3. FAST REPLY QUALIFED ; EFFICIENCY; RESPONSIBLE Appearance:WHITE POWDER Storage:in cool Package:25kg/drum Application:active pharmaceutical ingredient Transportation:sea/air both ok Port:any port
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Cas:128-13-2
Min.Order:1 Gram
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Type:Manufacturers
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,
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Min.Order:1 Metric Ton
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Type:Manufacturers
inquiryGIHI CHEMICALS exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, GIHI CHEMICALS is your best choice. pls contact with us freely for getting detailed prod
Cas:128-13-2
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryName:Ursodeoxycholic acid CAS no:128-13-2 Grade:Medical, scientific research and export Molecular formula:C24H39O4 Molecular weight:391.5646 Product Quality 12 years of chemical raw materials Mature operation of the industry System stabili
Cas:128-13-2
Min.Order:25 Kilogram
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Type:Other
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 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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Min.Order:1 Kilogram
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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
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Min.Order:1 Kilogram
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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
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Min.Order:1 Kilogram
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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 R&
Cas:128-13-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: Ursodeoxycholic acid CAS: 128-13-2 Product Name: Ursodeoxycholic acid Synonyms: 7BETA-HYDROXYLITHOCHOLIC ACID;6BETA-CHOLANIC ACID-3A,7BETA-DIOL;(6-BETA)-CHOLANIC ACID-(3-ALPHA)-(7-BETA)-DIOL;3A,7B-DIHYDROXY-5B-CHOLAN-24-O
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:128-13-2
Min.Order:10 Gram
Negotiable
Type:Other
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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Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
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Min.Order:10 Gram
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Type:Trading Company
inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:white powder/ Refer to COA Storage:Refrigerator
Cas:128-13-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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:128-13-2
Min.Order:1 Kilogram
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Type:Trading Company
inquiryUrsodeoxycholic acid CAS:128-13-2 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 interm
Cas:128-13-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry3α,7β-dihydroxy-5β-cholan-24-oic acid methyl ester
ursodeoxycholic acid
Conditions | Yield |
---|---|
With methanol; sodium methylate at 25℃; | 99% |
With water; sodium hydroxide at 97℃; for 2h; Large scale; | 49.1 kg |
With water; sodium hydroxide at 120℃; for 12h; | 20.7 g |
With water; sodium hydroxide at 120℃; for 12h; Time; | 29.4 g |
Conditions | Yield |
---|---|
With glucose dehydrogenase; D-Glucose; NADPH; 7β-hydroxysteroid dehydrogenase In aq. phosphate buffer at 30℃; for 1h; pH=8; Concentration; pH-value; Enzymatic reaction; | 98% |
With nicotinamide adenine dinucleotide phosphate; isopropyl alcohol In aq. phosphate buffer at 37℃; pH=7; | 93% |
With potassium borohydride; potassium tert-butylate In isopropyl alcohol at 40℃; for 24h; | 92% |
ursodeoxycholic acid
Conditions | Yield |
---|---|
With hydrogenchloride; hydrogen; aluminum nickel In water | 98% |
ursodeoxycholic acid
Conditions | Yield |
---|---|
Stage #1: C24H36O4 With potassium tert-butylate In tert-butyl alcohol for 0.5h; Stage #2: With palladium 10% on activated carbon; hydrogen In tert-butyl alcohol at 80℃; under 3750.38 Torr; for 12h; Solvent; Reagent/catalyst; Temperature; | 96% |
Conditions | Yield |
---|---|
Stage #1: 7-Ketolithocholic acid With potassium tert-butylate; palladium(II) hydroxide; potassium hydroxide In isopropyl alcohol at 20℃; for 0.166667h; Stage #2: With hydrogen In isopropyl alcohol at 40 - 80℃; Reagent/catalyst; Temperature; | A n/a B 95% |
With sodium tetrahydroborate; sodium hydrogencarbonate In water at 20℃; for 0.5h; var. reducing agents; | A 94% B 2% |
With potassium In tert-butyl alcohol for 0.5h; Heating; var. reducing agents; | A 6% B 94% |
ursodeoxycholic acid
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water at 20℃; for 6h; | 94% |
ursodeoxycholic acid
Conditions | Yield |
---|---|
With potassium borohydride; potassium tert-butylate; hydrogen at 40℃; under 30003 Torr; for 24h; | 93% |
With potassium borohydride; potassium tert-butylate; hydrogen In isopropyl alcohol at 40℃; under 30003 Torr; for 24h; Autoclave; | 93% |
With potassium borohydride; potassium tert-butylate; hydrogen In isopropyl alcohol at 40℃; under 30003 Torr; for 24h; | 93% |
ursodeoxycholic acid
Conditions | Yield |
---|---|
Stage #1: (E)-7-hydroxy-3-oxo-4,6,22-choladienoic acid ethyl ester In 2-methyltetrahydrofuran at 90℃; under 30003 Torr; for 24h; Autoclave; Stage #2: With sodium t-butanolate In 2-methyltetrahydrofuran; isopropyl alcohol at 90℃; under 30003 Torr; for 24h; Solvent; Reagent/catalyst; Temperature; Autoclave; | 87% |
ursodeoxycholic acid
Conditions | Yield |
---|---|
Stage #1: C26H36O4 With hydrogen In 2-methyltetrahydrofuran at 90℃; under 30003 Torr; for 24h; Autoclave; Stage #2: With sodium t-butanolate In 2-methyltetrahydrofuran; isopropyl alcohol at 90℃; for 24h; Solvent; Reagent/catalyst; Temperature; | 87% |
Conditions | Yield |
---|---|
With NAD In methanol; aq. phosphate buffer at 25℃; for 24h; pH=8; | 86% |
With 7β-hydroxysteroid dehydrogenase; Sepharose-CL6B; TEA; nicotinamide adenine dinucleotide In water at 20℃; for 120h; | 75% |
Multi-step reaction with 2 steps 1: potassium phosphate, pyruvate, dithiothreitol, NAD / H2O / Ambient temperature; lactic dehydrogenase, 7α-hydroxysteroid dehydrogenase 2: potassium phosphate, glucose, dithiothreitol, NADP / H2O / glucose dehydrogenase, 7β-hydroxysteroid dehydrogenase View Scheme |
Lithocholic acid
A
ursodeoxycholic acid
B
3-keto-7β-hydroxy-5β-cholan-24-oic acid
Conditions | Yield |
---|---|
With Gibberella zeae VKM F-2600 extract In methanol; aq. phosphate buffer at 29℃; for 122h; pH=7; Microbiological reaction; | A 83% B n/a |
3α,7β-dihydroxy-12-oxo-5β-cholane-24-oic acid
ursodeoxycholic acid
Conditions | Yield |
---|---|
With hydrazine hydrate; potassium hydroxide; 2,2'-[1,2-ethanediylbis(oxy)]bisethanol at 110 - 135℃; Wolf-Kishner reduction; | 82% |
ursodeoxycholic acid
Conditions | Yield |
---|---|
With potassium borohydride; potassium tert-butylate; hydrogen at 40℃; under 30003 Torr; for 24h; | 80% |
Multi-step reaction with 2 steps 1: sodium hydroxide; water / methanol; tetrahydrofuran / 4 h / Reflux; Inert atmosphere 2: potassium tert-butylate; potassium borohydride; hydrogen / isopropyl alcohol / 24 h / 40 °C / 30003 Torr / Autoclave View Scheme |
ursodeoxycholic acid
Conditions | Yield |
---|---|
With 1,4-dihydronicotinamide adenine dinucleotide; 7β-hydroxysteroid dehydrogenase; 2-hydroxyethanethiol; ethylenediaminetetraacetic acid In phosphate buffer at 20℃; for 48h; pH=7; | 75% |
ursodeoxycholic acid
Conditions | Yield |
---|---|
Stage #1: ethyl 3α-benzoyloxy-7β-hydroxy-chol-5-en-24-oate With palladium 10% on activated carbon; hydrogen; acetic acid In ethanol under 2844.39 Torr; for 24h; Stage #2: With methanol; sodium hydroxide for 18h; Reflux; | 71% |
Conditions | Yield |
---|---|
With ammonia; lithium In tetrahydrofuran; methanol at -50℃; for 1h; | 68% |
methyl 3α-acetoxy-7-oxo-5β-cholan-24-oate
ursodeoxycholic acid
Conditions | Yield |
---|---|
With sodium In butan-1-ol at 20 - 60℃; for 2.25h; Inert atmosphere; | 62% |
Conditions | Yield |
---|---|
With air; Xanthomonas maltophilia CBS 827.97 In sodium hydroxide at 30℃; for 4h; pH=8; epimerisation; | A 27% B 23% |
With Xanthomonas maltophilia In water at 30℃; for 24h; pH=8; anaerobic; | A 27% B 23% |
Conditions | Yield |
---|---|
With aluminum isopropoxide; isopropyl alcohol |
7-Ketolithocholic acid
sodium ethanolate
A
chenodeoxycholic acid
B
ursodeoxycholic acid
Conditions | Yield |
---|---|
at 200℃; |
3,7-diketocholanic acid
aluminum isopropoxide
isopropyl alcohol
A
chenodeoxycholic acid
B
ursodeoxycholic acid
methyl 3-O-acetyl-7-O-mesylchenodeoxycholate
ursodeoxycholic acid
Conditions | Yield |
---|---|
With potassium superoxide; 18-crown-6 ether In dimethyl sulfoxide for 3h; Yield given; |
A
ursodeoxycholic acid
Conditions | Yield |
---|---|
In water; ethylene glycol at 25℃; Equilibrium constant; decomplexation; |
A
ursodeoxycholic acid
Conditions | Yield |
---|---|
In water; ethylene glycol at 25℃; Equilibrium constant; decomplexation; |
hydrogenchloride
7-Ketolithocholic acid
acetic acid
A
chenodeoxycholic acid
B
ursodeoxycholic acid
Conditions | Yield |
---|---|
Hydrogenation; |
Conditions | Yield |
---|---|
With chloylglycine hydrolase In phosphate buffer at 84℃; for 0.0833333h; |
glycochenodeoxycholic acid sodium salt
ursodeoxycholic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 100 percent Chromat. / chloylglycine hydrolase; β-mercaptoethanol; EDTA / aq. phosphate buffer / 3 h / 20 °C / pH 8 2: 75 percent / Sepharose-CL6B; 7β-hydroxysteroid dehydrogenase; TEA / NAD(+) / H2O / 120 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 100 percent Chromat. / chloylglycine hydrolase; β-mercaptoethanol; EDTA / aq. phosphate buffer / 0.33 h / 20 °C / pH 8 2: 75 percent / Sepharose-CL6B; 7β-hydroxysteroid dehydrogenase; TEA / NAD(+) / H2O / 120 h / 20 °C View Scheme |
methyl 3α,7α-dihydroxy-12-oxo-5β-cholan-24-oate
ursodeoxycholic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 52 percent / acetic acid / 12 h / Ambient temperature 2: 57 percent / NaBH4 / acetic acid / 3 h / Ambient temperature 3: pyridine / benzene 4: pyridine / Ambient temperature 5: KO2/18-crown-6 ether / dimethylsulfoxide / 3 h View Scheme |
Conditions | Yield |
---|---|
With triethylamine; 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride In N,N-dimethyl-formamide at 20℃; for 1h; | 100% |
methanol
ursodeoxycholic acid
3α,7β-dihydroxy-5β-cholan-24-oic acid methyl ester
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid for 2.5h; Reflux; | 98% |
With sulfuric acid at 50℃; for 3h; | 97% |
With toluene-4-sulfonic acid at 65℃; for 2.5h; | 97% |
ursodeoxycholic acid
acetic anhydride
(R)-4-((3R,5S,7S,8R,9S,10S,13R,14S,17R)-3,7-diacetoxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
Conditions | Yield |
---|---|
In pyridine at 20℃; for 12h; | 98% |
With dmap In dichloromethane at 20℃; for 1h; Inert atmosphere; | 95% |
With pyridine at 20℃; Inert atmosphere; | 92% |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In dichloromethane at 10 - 20℃; for 2h; Temperature; Concentration; | 97.3% |
formic acid
ursodeoxycholic acid
(R)-4-((3R,5S,7S,8R,9S,10S,13R,14S,17R)-3,7-bis(formyloxy)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
Conditions | Yield |
---|---|
at 55℃; for 20h; | 96% |
With perchloric acid | 96% |
1) 65 deg C, 4 h, 2) 25 deg C, 20 h; | 95% |
ursodeoxycholic acid
Conditions | Yield |
---|---|
With iron(III) chloride; sodium hydroxide In water at 35℃; pH=8; | 95% |
Conditions | Yield |
---|---|
With N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline; sodium hydroxide In water; acetonitrile; tert-butyl alcohol at 20 - 80℃; | 95% |
ursodeoxycholic acid
benzyl bromide
benzyl 3α,7β-dihydroxy-5β-cholan-24-oate
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 80℃; for 3h; | 95% |
With potassium carbonate In acetonitrile at 80℃; for 3h; | 95% |
Stage #1: ursodeoxycholic acid With potassium hydrogencarbonate In N,N-dimethyl-formamide for 0.333333h; Stage #2: benzyl bromide In N,N-dimethyl-formamide for 48h; | 95% |
With potassium carbonate In acetonitrile at 80℃; for 3h; | 95% |
With caesium carbonate In acetonitrile for 4h; Reflux; | 82% |
ursodeoxycholic acid
UDC-OH
Conditions | Yield |
---|---|
With samarium diiodide; water; triethylamine In tetrahydrofuran at 20℃; for 4h; Inert atmosphere; | 94% |
With lithium aluminium tetrahydride | |
Multi-step reaction with 2 steps 1: thionyl chloride / 3.5 h / 20 °C / Reflux 2: sodium tetrahydroborate; ethanol / 20 °C View Scheme |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid for 24h; Ambient temperature; | 93% |
ursodeoxycholic acid
2-aminoethanoic acid hydrochloride
glycine ursodeoxycholic acid ethyl ester
Conditions | Yield |
---|---|
With triethylamine In acetone for 12h; Solvent; Time; Reflux; | 93% |
ursodeoxycholic acid
acetyl chloride
3α,7β-dihydroxy-5β-cholan-24-oic acid methyl ester
Conditions | Yield |
---|---|
In methanol at 0 - 20℃; for 6h; | 92% |
ursodeoxycholic acid
A
3,7-bis(sulfooxy)ursodeoxycholic acid
B
7-hydroxy-3-(sulfooxy)-(3α,5β,7β)-cholan-24-oic acid
C
7-(sulfooxy)ursodeoxycholic acid
Conditions | Yield |
---|---|
With pyridine; sulfur trioxide pyridine complex at 0 - 20℃; for 0.166667h; other temperatures, other times, other reagent ratio; | A 91.9% B 4.1% C 2.6% |
With pyridine; sulfur trioxide pyridine complex at -5℃; for 0.166667h; Product distribution; other temperatures, other reaction times, other reagent ratio; | A 25% B 31.2% C 25% |
With pyridine; sulfur trioxide pyridine complex at -5℃; for 0.166667h; other temperatures, other times, other reagent ratio; | A 25% B 31.2% C 25% |
With pyridine; sulfur trioxide pyridine complex at -5℃; for 0.166667h; other temperatures, other times, other reagent ratio; | A 25% B 31.2% C 25% |
trimethyl-sulfo-ammonium betaine
ursodeoxycholic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 40 - 90℃; | 91.6% |
Conditions | Yield |
---|---|
Stage #1: ursodeoxycholic acid; glycine With N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline; sodium hydroxide In water; acetonitrile; tert-butyl alcohol at 20 - 80℃; Stage #2: With hydrogenchloride In water pH=2; | 91% |
1-methyl-piperazine
ursodeoxycholic acid
N1<(3α,5β,7β)3,7-dihydroxy-24-oxo-cholan-24-yl>N4 methyl-piperazine
Conditions | Yield |
---|---|
With tributyl-amine; chloroformic acid ethyl ester In 1,4-dioxane 10 deg C, 10 min then rt., 1 h; | 90% |
ursodeoxycholic acid
3-keto-7β-hydroxy-5β-cholan-24-oic acid
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate; D-glucose; Pseudomonas paucimobilis; yeast extracxt; peptone In water at 28℃; for 24h; | 90% |
Multi-step reaction with 4 steps 1: triethylamine; DMAP / ethyl acetate / 10 h / Heating 2: 5percent NaOH / methanol / 1 h 3: Jones' reagent / acetone / 0.08 h 4: 95 percent / 20percent NaOH / 1 h / Heating View Scheme |
Conditions | Yield |
---|---|
Stage #1: ursodeoxycholic acid With triethylamine; isobutyl chloroformate In N,N-dimethyl-formamide at -15℃; for 0.25h; Inert atmosphere; Stage #2: arabinosyl cytosine With triethylamine In N,N-dimethyl-formamide at -15 - 20℃; for 0.5h; Inert atmosphere; | 87% |
Stage #1: ursodeoxycholic acid With triethylamine; isobutyl chloroformate In N,N-dimethyl-formamide at -15℃; for 0.0833333h; Stage #2: arabinosyl cytosine With triethylamine In N,N-dimethyl-formamide at -15 - 20℃; for 2.5h; |
Conditions | Yield |
---|---|
With triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane at 20℃; for 16h; | 87% |
With triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane at 20℃; for 16h; | 87% |
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