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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inquiryHigh qualityAppearance:White powder Storage:Room temperature Package:Aluminum bag Application:Used in producing API Transportation:By air Port:Beijing
p,p'-(2-pyridylmethylene)bisphenol; DDPM CAS:603-41-8 from fandachem Appearance:as in COA Storage:Store in dry, dark and ventilated place Package:as customers' requirements Application:intermediate Port:Shanghai, China
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inquiryThe system can just identify the products information in first sheet, it is not be permitted to add or edit new sheet by userself.Our products are required in MG to Gram only. · Pharmaceutical Reference Standards· Traceable workin
FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the Desacetyl Bisacodyl, CAS:603-41-8 with the most competitive price and the best qualit
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High purity Application:Pharmaceutical intermediates, Material synthesis and analyzing the expectant ingredients
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
With nickel aluminum; sodium hydroxide at 20℃; for 9h; Concentration; | 95.7% |
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol; water at 20℃; for 72h; | 92% |
With sodium hydroxide In water; acetonitrile at 50℃; for 5h; Temperature; | 10.99 g |
3-(4-methoxyphenyl)-[1,2,3]triazolo[1,5-a]pyridine
(4-((tert-butyldimethylsilyl)oxy)phenyl)boronic acid
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
Stage #1: 3-(4-methoxyphenyl)-[l,2,3]triazolo[1,5-a]pyridine; (4-((tert-butyldimethylsilyl)oxy)phenyl)boronic acid With potassium carbonate In benzene at 20℃; for 10h; UV-irradiation; Stage #2: With hydrogen bromide; acetic acid Reflux; | 80% |
Conditions | Yield |
---|---|
With sulfuric acid at 0 - 20℃; for 3h; | 71.1% |
Stage #1: phenol With sulfuric acid; alpha cyclodextrin at 20℃; Large scale; Stage #2: pyridine-2-carbaldehyde Large scale; | 59.4% |
With sulfuric acid |
4-hydroxyphenyl(2-pyridyl) carbinol
phenol
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
With phosphoric acid In water at 100℃; for 0.5h; | 69% |
4,4'-(pyridin-2-ylmethylene)dianiline
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
With sulfuric acid; sodium nitrite |
di[4'',4'''-di(methoxy)phenyl](2'-pyridyl)methanol
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
With hydrogen iodide | |
With hydrogen iodide; acetic acid at 100℃; for 6h; Reagent/catalyst; Large scale; | 1.6 kg |
bis-(4-methoxy-phenyl)-[2]pyridyl-acetonitrile
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
With hydrogen bromide Erwaermen des Reaktionsprodukts mit wss.Kalilauge; |
Conditions | Yield |
---|---|
With sulfuric acid | |
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid | |
With sulfuric acid |
pyridine-2-carbonyl chloride
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 8.4 g / triethylamine / CH2Cl2 / 0 - 20 °C 2: 56 percent / AlCl3 / 4 h / 160 °C 3: 94.5 percent / sodium borohydride / methanol / 2 h / 0 - 20 °C 4: 69 percent / H3PO4 / H2O / 0.5 h / 100 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: thionyl chloride / benzene / 12 h / Heating 2: 8.4 g / triethylamine / CH2Cl2 / 0 - 20 °C 3: 56 percent / AlCl3 / 4 h / 160 °C 4: 94.5 percent / sodium borohydride / methanol / 2 h / 0 - 20 °C 5: 69 percent / H3PO4 / H2O / 0.5 h / 100 °C View Scheme |
pyridine-2-carboxylic acid phenyl ester
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 56 percent / AlCl3 / 4 h / 160 °C 2: 94.5 percent / sodium borohydride / methanol / 2 h / 0 - 20 °C 3: 69 percent / H3PO4 / H2O / 0.5 h / 100 °C View Scheme |
(4-hydroxyphenyl)(pyridin-2-yl)methanone
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 94.5 percent / sodium borohydride / methanol / 2 h / 0 - 20 °C 2: 69 percent / H3PO4 / H2O / 0.5 h / 100 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydrogenchloride 2: sulfuric acid; sodium nitrite View Scheme |
2-pyridyllithium
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diethyl ether / -65 - -40 °C 2: aqueous hydriodic acid View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diethyl ether / -65 - -40 °C 2: aqueous hydriodic acid View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydrogenchloride 2: sulfuric acid; sodium nitrite View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: magnesium / tetrahydrofuran / 1 h / 20 - 65 °C / Inert atmosphere; Large scale 1.2: 4 h / 10 - 20 °C / Inert atmosphere; Large scale 2.1: hydrogen iodide; acetic acid / 6 h / 100 °C / Large scale View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: magnesium / tetrahydrofuran / 1 h / 20 - 65 °C / Inert atmosphere; Large scale 1.2: 4 h / 10 - 20 °C / Inert atmosphere; Large scale 2.1: hydrogen iodide; acetic acid / 6 h / 100 °C / Large scale View Scheme |
Guttalax
A
4-((4-hydroxyphenyl)(pyridin-2-yl)methyl)phenyl hydrogen sulfate
B
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
With water at 40℃; for 730.5h; |
Guttalax
A
4-((4-hydroxyphenyl)(pyridin-2-yl)methyl)phenyl hydrogen sulfate
B
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
With water at 40℃; for 4383h; Temperature; |
Conditions | Yield |
---|---|
With sodium acetate at 100 - 140℃; Temperature; Large scale; | 95% |
With pyridine In dichloromethane at 0 - 20℃; for 2h; | 88% |
With sodium acetate | |
With pyridine | |
With sodium acetate |
4,4'-(2-pyridylmethylene)diphenol
Guttalax
Conditions | Yield |
---|---|
Stage #1: 4,4'-(2-pyridylmethylene)diphenol With pyridine; chlorosulfonic acid at 0 - 20℃; for 5h; Stage #2: With sodium hydroxide Concentration; Cooling with ice; | 86.4% |
Stage #1: 4,4'-(2-pyridylmethylene)diphenol With pyridine; chlorosulfonic acid at 10 - 25℃; for 12h; Inert atmosphere; Large scale; Stage #2: With water; sodium hydroxide at 0℃; pH=11; pH-value; Inert atmosphere; Large scale; | 2.1 kg |
4,4'-(2-pyridylmethylene)diphenol
8-tosyloxy-3,6-dioxaoctanol
Conditions | Yield |
---|---|
Stage #1: 4,4'-(2-pyridylmethylene)diphenol With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 1h; Inert atmosphere; Stage #2: 8-tosyloxy-3,6-dioxaoctanol In N,N-dimethyl-formamide at 80℃; for 96h; Inert atmosphere; | 70% |
4,4'-(2-pyridylmethylene)diphenol
5-tosyloxy-3-oxapentanol
Conditions | Yield |
---|---|
Stage #1: 4,4'-(2-pyridylmethylene)diphenol With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 1h; Inert atmosphere; Stage #2: 5-tosyloxy-3-oxapentanol In N,N-dimethyl-formamide at 80℃; for 96h; Inert atmosphere; | 60% |
4,4'-(2-pyridylmethylene)diphenol
p-toluenesulfonic acid 2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethyl ester
Conditions | Yield |
---|---|
Stage #1: 4,4'-(2-pyridylmethylene)diphenol With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 1h; Inert atmosphere; Stage #2: p-toluenesulfonic acid 2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethyl ester In N,N-dimethyl-formamide at 80℃; for 96h; Inert atmosphere; | 50% |
Conditions | Yield |
---|---|
Stage #1: 4,4'-(2-pyridylmethylene)diphenol With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 0.5h; Inert atmosphere; Stage #2: 2-bromoethanol With potassium iodide In N,N-dimethyl-formamide at 80℃; for 96h; Inert atmosphere; | A 15% B 50% |
4,4'-(2-pyridylmethylene)diphenol
2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethyl 4-methylbenzenesulfonate
Conditions | Yield |
---|---|
Stage #1: 4,4'-(2-pyridylmethylene)diphenol With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 1h; Inert atmosphere; Stage #2: 2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethyl 4-methylbenzenesulfonate In N,N-dimethyl-formamide at 80℃; for 96h; Inert atmosphere; | 45% |
Conditions | Yield |
---|---|
With tetrahydrofuran |
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
With acetic acid; platinum at 40℃; Hydrogenation; | |
With ethanol; nickel at 100℃; under 73550.8 Torr; Hydrogenation; |
Conditions | Yield |
---|---|
With potassium carbonate In acetone |
4,4'-(2-pyridylmethylene)diphenol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium carbonate / acetone 2: BCl3 / CH2Cl2 View Scheme |
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