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5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one

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5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one manufacturers

5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Basic information
Product Name:5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one
Synonyms:2,3-dihydro-5,6-dimethoxy-2-(4-pyridinylmethylene)-1h-inden-1-one;5,6-DIMETHOXY-2-(PYRIDINE-4-YL)METHYLENE-INDAN-1-ONE;4-[(5,6-Dimethoxy-1-Indanone) -2-Methyl] Pyridine;1-Indanone,5,6-dimethoxy-2-(4-pyridylmethylene)- (7CI,8CI);Donepezil pyridine dehydro Imp;Doneprzil Pyridine Dehydro Imp;5,6-dimethoxyl-2-(piperidin-4-y)methylene-indan-1-one;5,6-DIMETHOXY-2-(4-PYRIDYLMETHYLENE)-1-INDANONE,98.0+%
CAS:4803-74-1
MF:C17H15NO3
MW:281.31
EINECS:1312995-182-4
Product Categories:Aromatics Compounds;Aromatics;Heterocycles;Impurities;Intermediates & Fine Chemicals;Pharmaceuticals;4803-74-1
Mol File:4803-74-1.mol
5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Structure
5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Chemical Properties
Melting point 210-211°C
Boiling point 499.9±45.0 °C(Predicted)
density 1.255
storage temp. Sealed in dry,Room Temperature
solubility Chloroform (Slightly), Methanol (Slightly, Heated)
form Solid
pka5.10±0.10(Predicted)
color Yellow
CAS DataBase Reference4803-74-1(CAS DataBase Reference)
Safety Information
MSDS Information
5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Usage And Synthesis
Chemical PropertiesYellow Solid
UsesAn impurity of Donepezil.
References[1] Patent: WO2012/131540, 2012, A1. Location in patent: Page/Page column 16
[2] Patent: US2004/143121, 2004, A1. Location in patent: Page 3
[3] Patent: WO2004/82685, 2004, A1. Location in patent: Page/Page column 9
[4] European Journal of Medicinal Chemistry, 2011, vol. 46, # 11, p. 5694 - 5697
[5] Bioorganic and Medicinal Chemistry Letters, 2012, vol. 22, # 23, p. 7029 - 7035,7
5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Preparation Products And Raw materials
Raw materials4-Pyridinecarboxaldehyde-->5,6-Dimethoxy-1-indanone-->Potassium hydroxide
Tag:5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one(4803-74-1) Related Product Information
Dimethyldimethoxysilane Pyridine 5,6-Dimethoxy-1-indanone 1,1-Dimethoxyethane Diphenyldimethoxysilane Indan Dihydromyrcenol Methyltriethoxysilane 4-Dimethylaminopyridine Methyltrimethoxysilane 4-Methylpyridine 5,6-Dimethoxy-2-(piperidin-4-yl)methylene-indan-1-one 4,4'-Diphenylmethane diisocyanate Methylene Blue 2-[(E)-(1-Benzyl-4-piperidinyl)methylidene]-5,6-dimethoxy-1-indanone XWAIAVWHZJNZQQ-RPXFAUAJSA-N Donepezil 5-O-Desmethyl Donepezil