2-PHENYL-1,3-DIOXANE DERIVATIVE

2-PHENYL-1,3-DIOXANE DERIVATIVE

NEW MATERIAL:A 2-phenyl-1,3-dioxane derivative expressed by formula I (formula II is optically active asymmetric carbon; R is 1-18C alkyl; n is 1-10). EXAMPLE:(+)-4'-(2-Methylbutoxycarbonyl)-phenyl-4-(5-n-decyl)-1,3-dioxa n-2-yl) benzoate. USE:Useful as a component of a ferroelectric liquid cry...

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Bibliographische Detailangaben
Hauptverfasser: KAMOGAWA HIROMI, HARAMOTO YUICHIRO
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
HETEROCYCLIC COMPOUNDS
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC CHEMISTRY
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:NEW MATERIAL:A 2-phenyl-1,3-dioxane derivative expressed by formula I (formula II is optically active asymmetric carbon; R is 1-18C alkyl; n is 1-10). EXAMPLE:(+)-4'-(2-Methylbutoxycarbonyl)-phenyl-4-(5-n-decyl)-1,3-dioxa n-2-yl) benzoate. USE:Useful as a component of a ferroelectric liquid crystal compositions employed as an electrooptical display material, stable to influences, such as chemical, photochemical effects and electric fields, and capable of regulating liquid crystal temperature ranges and various electrooptical characteristics and providing extremely practical ferroelectric liquid crystal compositions by blending with other ferroelectric liquid crystal systems. PREPARATION:Diethyl malonate expressed by formula III is reacted with a bromoalkane in absolute ethanol using metallic sodium to afford a product, which is then reduced and subsequently esterified with a compound expressed by formula IV, etc., to provide the aimed compound expressed by formula I.