Ciba-geigy Corporation

Ciba Specialty Chemicals Corporation

Cv I B Ciba-geigy Corporation

Ian J Fletcher

Davor Bedekovic

Rudolf Zink

Dieter Reinehr

Georges Metzger

Pascal Hayoz

Heinz Balli

Sigmund Gunzenhauser

Peter Rohringer

Goetz Scheffler

J&uuml;rgen Kaschig

Hans Baumann

Jürgen Kaschig

Alain C Rochat

Victor Paul Eliu

Leonardo Guglielmetti

Adriano Indolese

Guglielmo Kabas

Anita Schnyder

Werner Kanert

Julia Volkel

The present invention provides novel bis-triazinylaminostilbene amphoteric fluorescent whitening agents, comprising both individual components and mixtures thereof, a process for their preparation, intermediates useful for their preparation and use of the fluorescent whitening agents for the fluorescent whitening of paper.

Amphoteric fluorescent whitening agents

The present invention provides novel bis-triazinylaminostilbene amphoteric fluorescent whitening agents, comprising both individual components and mixtures thereof, a process for their preparation, intermediates useful for their prepartion and use of the fluorescent whitening agents for the fluorescents whitening of paper.

Biphenyl-substituted triazines of the formulawhich are notable for high thermal stability, are used as stabilizers for organic polymers to counter damage thereto caused by light, oxygen and heat, as light stabilizers for textile fiber materials and as sunscreens for the human skin.

Biphenyl-substituted triazines

Biphenyl-substituted triazines of the formulaewhich are notable for high thermal stability, are used as stabilizers for organic polymers to counter damage thereto caused by light, oxygen and heat, as light stabilizers for textile fiber materials and as sunscreens for the human skin.

Biphenyl-substituted triazines of the formulae

The present invention provides a process for the production of a compound of formula: ##STR1## in which X and Y, independently, are hydrogen, halogen, NO.sub.2, CF.sub.3, CN, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, COO--C.sub.1 -C.sub.4 alkyl, CO--C.sub.1 -C.sub.4 alkyl, NH--(C.sub.1 -C.sub.4 alkyl), N(C.sub.1 -C.sub.4 alkyl).sub.2, NH(C.sub.1 -C.sub.4 alkyl-OH), N(C.sub.1 -C.sub.4 alkyl-OH).sub.2, COOH or SO.sub.3 H or an ester or amide thereof, or COOM or SO.sub.3 M in which M is Na, K, Ca, Mg, ammonium, mono-, di-, tri- or tetra-C.sub.1 -C.sub.4 alkylammonium, mono-, di- or tri-hydroxyalkylammonium or ammonium that is di- or tri-substituted with a mixture of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 hydroxyalkyl groups;

Process

Chromogenic lactam compounds of the formula ##STR1## in which the ring A is an aromatic or heteroaromatic radical which has 6 ring atoms and may contain a fused aromatic ring, it being possible for both the ring A and the fused ring to be substituted; the ring B is an unsubstituted or substituted benzene ring;

Chromogenic lactam compounds, their preparation and their use

Chromogenic lactam compounds of the formula ##STR1## in which the ring A is an aromatic or heteroaromatic radical which has 6 ring atoms and may contain a fused aromatic ring, it being possible for both the ring A and the fused ring to be substituted;

Bisphthalide lactones of formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently of one another hydrogen, alkyl of at most 12 carbon atoms which is unsubstituted or substituted by halogen, hydroxy, cyano, tetrahydrofuryl or lower alkoxy; or are acyl of 1 to 12 carbon atoms, cycloalkyl of 5 to 10 carbon atoms or unsubstituted aralkyl or aryl, or aralkyl or aryl each substituted by halogen, cyano, nitro, trifluormethyl, lower alkyl, lower alkoxy, lower alkoxycarbonyl, --NX'X'-- or 4--NX'X--'phenylamino, wherein X' and X' are each independently of the other hydrogen, lower alkyl, cyclohexyl, benzyl or phenyl, or the pairs of substituents --NR.sub.1 R.sub.2 and --NR.sub.3 R.sub.4 are each a 5- or 6-membered, preferably saturated, heterocyclic radical, V.sub.1 and V.sub.2 are hydrogen, halogen, lower alkyl, C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 -acyloxy, benzyl, phenyl, benzyloxy, phenyloxy, or benzyl or benzyloxy, each substituted by halogen, cyano, lower alkyl or lower alkoxy, or are the group --NT.sub.1 T.sub.2, in which T.sub.1 and T.sub.2 are each independently of the other hydrogen, lower alkyl, C.sub.5 -C.sub.10 cycloalkyl, unsubstituted benzyl or benzyl which is substituted by halogen, cyano, lower alkyl or lower alkoxy, or are acyl of 1 to 8 carbon atoms, and T.sub.1 is also unsubstituted phenyl or phenyl which is substituted by halogen, cyano, lower alkyl or lower alkoxy, and the rings A.sub.1 and A.sub.2 are each independently of the other an aromatic or heterocyclic radical of 6 ring atoms which may contain an aromatic fused ring, which rings A.sub.1 and A.sub.2 as well as the fused rings may be substituted. These bisphthalide lactones can be used as color forming components in pressure-sensitive or heat-sensitive recording materials and, when used in conjunction with a condensation component and an acid developer, form intense colored images.

Bisphthalide lactones, their preparation and the use thereof in

Chromogenic lactone compounds of benzopyrano-2H-pyrazoles of the formula ##STR1## in which Ar is an aryl radical which is unsubstituted or substituted by halogen, nitro, cyano, lower alkyl, lower alkoxy, lower alkylthio, lower alkoxycarbonyl, trifluoromethyl, phenoxy, phenylthio or --NX.sub.3 X.sub.4,

Chromogenic lactone compounds of benzopyrano-2H-pyrazoles

Chromogenic quinazolines of formula ##STR1## wherein R is an aryl radical or a heterocyclic radical,

Chromogenic quinazolines

The invention relates to chromogenic 3,3-bisindolyl-4-azaphthalides of the general formula ##STR1## wherein Y.sub.1 is hydrogen, C.sub.1 -C.sub.12 alkyl which is unsubstituted or substituted by halogen, hydroxyl, cyano or lower alkoxy, or is C.sub.1 -C.sub.12 acyl, benzyl or benzyl substituted halogen, nitro, lower alkyl or lower alkoxy,

Recording material containing chromogenic 3,3-bisindolyl-4-azaphthalides

Chromogenic bisquinazolines of the formula ##STR1## wherein Q is the direct bond or an aliphatic or cycloaliphatic hydrocarbon radical, or is --CO--, --S-- or --SO.sub.2 --, and

Recording material employing chromogenic bisquinazolines

Chromogenic azaphthalides of the formula ##STR1## wherein R.sub.1 and R.sub.2 independently of each other are hydrogen, C.sub.1 -C.sub.12 alkyl which is unsubstituted or substituted by halogen, hydroxyl, cyano or lower alkoxy, or are cycloalkyl, benzyl or phenyl, or benzyl or phenyl which are substituted by halogen, nitro, cyano, lower alkyl, lower alkoxy or lower alkoxycarbonyl; or R.sub.1 and R.sub.2 together with the nitrogen atom to which they are attached are a 5-membered or 6-membered heterocyclic radical and in particular pyrrolidinyl;

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Magden, Switzerland

Ian J Fletcher