4H-1-benzopyrans and lubricant compositions containing same

4H-1-Benzopyrans are prepared by reacting an aminomethylphenol with an alkali metal hydroxide or an alkaline earth metal hydroxide and a 1,3-diketone. The products are useful as antioxidants.

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Bibliographische Detailangaben
Hauptverfasser:	ROPER, JERRY M
Format:	Patent
Sprache:	eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL ADHESIVES CHEMISTRY DYES FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR HETEROCYCLIC COMPOUNDS LIQUEFIED PETROLEUM GAS LUBRICANTS LUBRICATING COMPOSITIONS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL GAS NATURAL RESINS ORGANIC CHEMISTRY PAINTS PEAT PETROLEUM, GAS OR COKE INDUSTRIES POLISHES SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	4H-1-Benzopyrans are prepared by reacting an aminomethylphenol with an alkali metal hydroxide or an alkaline earth metal hydroxide and a 1,3-diketone. The products are useful as antioxidants.