Monostyryl-naphthalin-Derivate,Verfahren zu deren Herstellung und ihre Verwendung als optische Aufhellungsmittel

摘要

1379051 α - Naphthylethylene derivatives HOECHST AG 6 Dec 1971 [8 Dec 1970] 56540/71 Headings C2C and C2P The novel compounds of general Formula I wherein X1 may be attached to either of the rings of the naphthalene radical and X and X1 are independently H or an electron attracting group, Y represents a carbocyclic or heterocyclic aromatic radical optionally substituted by one or more electron attracting groups and wherein either the naphthalene radical or the aromatic radical Y or both may be substituted by one or more additional non-chromophoric groups provided that if X and X1 are both H the radical Y is substituted by one or more groups selected from CO 2 M, SO 3 M (where M represents a cation which does not impart a colour to the compound) functional derivatives (defined) of carboxylic acid or sulphonic acids, acyl groups and alkyl or aryl sulphonyl groups may be prepared by reacting (a) a compound of the general Formula III in which X and X1 are as defined above and R7 and R8 are independently alkyl, cycloalkyl, aralkyl, aryl, aryloxy, alkoxy, cycloalkyloxy, or aralkoxy with a compound of Formula IV in which Y is as defined above, or (b) a compound of general Formula VI in which X and X1 are as defined above with a compound of general Formula V - in which R7, R8 and Y are as defined above, in an inert solvent in the presence of an alkaline condensation catalyst at a temperature of 10-100‹ C. The phosphorus compounds of Formulae III and V may be prepared by reacting halogenomethyl compounds of general Formulae VII, or VIII wherein Z is a halogen atom with a phosphorus compound of formula