ChemicalBook CAS DataBase List 1,10-Phenanthroline-4,7-dione, 1,10-dihydro-

1,10-Phenanthroline-4,7-dione, 1,10-dihydro- synthesis

5synthesis methods

Product Name:1,10-Phenanthroline-4,7-dione, 1,10-dihydro-
CAS Number:87330-27-6
Molecular formula:C12H8N2O2
Molecular Weight:212.2

1,2-bis-[(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidenemethyl)amino]benzene

503863-91-0
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1,10-Phenanthroline-4,7-dione, 1,10-dihydro-

87330-27-6
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Yield:87330-27-6 72%

Reaction Conditions:

in diphenylether; for 5 h;Inert atmosphere;Reflux;

Steps:

5 Synthesis of Compound 73c:

73b (8.3 g, 20 mmol) was dissolved in a diphenyl ether solution,Under nitrogen protection,Reflux for 5 hours,The reaction solution was washed with water,Saturated brine were washed three times,Dried over anhydrous magnesium sulfate,The solvent was evaporated,Purification by silica gel column chromatography afforded compound 73c (3 g, 14.3 mmol)Yield 72%.

References:

CN106831743,2017,A Location in patent:Paragraph 0129; 0132; 0133

1,10-Phenanthroline-3,8-dicarboxylic acid, 1,4,7,10-tetrahydro-4,7-dioxo-

87330-26-5
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87330-27-6
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1,10-Phenanthroline-3,8-dicarboxylic acid, 1,4,7,10-tetrahydro-4,7-dioxo-, 3,8-diethyl ester

87330-25-4
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87330-27-6
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95-54-5 Synthesis

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Propanedioic acid, 2,2'-[1,2-phenylenebis(iminomethylidyne)]bis-, 1,1',3,3'-tetraethyl ester

4921-71-5
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87330-27-6
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References