Abstract: The invention relates to novel optical recording media, which comprise particular novel metal chelates and have an excellent recording and playback quality, especially at a wavelength of from 300 to 500 nm.

Abstract: The invention relates to an optical recording medium comprising a substrate, a recording layer and optionally one or more reflecting layers, wherein the recording layer comprises a compound of formula (I). For the detailed definitions of the further substituents, see the description. Recording and playback are effected especially at a wavelength of from 300 to 500 nm, for example using a blue laser. The recording and playback quality is excellent and allows a high storage density even at high speeds.

Abstract: Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines: with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, processes for preparing them, their use for, inter alia, optical recording and optical recording media.

Abstract: The invention relates to an optical recording medium comprising a substrate, a recording layer and optionally one or more reflecting layers, wherein the recording layer comprises a compound of formula (I) or a tautomeric or mesomeric form thereof, wherein G1 and G2 are each independently of the other C(R5) or N; M1 is a lanthanide or transition metal of groups 4 to 10; P is a phthalocyanino diradical; and R1 to R5 are substituents as defined in the description and the claims. Recording and playback are effected especially at a wavelength of from 350 to 500 nm, for example using a blue laser. The recording and playback quality is excellent and allows a high storage density.

Abstract: The invention relates to novel optical recording materials that comprise specific and in some cases novel diketone enamines or metal chelates thereof and that have excellent recording and playback quality especially at a wavelength of 350-500 nm. The invention accordingly relates to an optical recording medium comprising a substrate, a recording layer and optionally a reflecting layer, wherein the recording layer comprises a compound of formula (I), wherein M is hydrogen, aluminium or, preferably, a transition metal, which may in addition be coordinated with one or more further ligands and/or, for balancing out an excess charge, where applicable, may have an electrostatic interaction with one or more further ions inside or outside the coordination sphere, but M in formulae (Ib) and (Ic) is not hydrogen, Q is C—H, N or C—R6, it being possible for the stereochemistry of the C=Q double bond to be either E or Z. For the exact definitions of R1 to R6 reference should be made to the description.

Abstract: Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines (I) and (II) with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, processes for preparing them, their use for, inter alia, optical recording and optical recording media

Abstract: Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines: with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, processes for preparing them, their use for, inter alia, optical recording and optical recording media.

Abstract: Crystalline forms of the (3R,5S)- and the (3S,5R)-enantiomers of fluvastatin, referred to as polymorphic Forms A, B1, B2, C, D and E, processes for the preparation of these crystalline forms and pharmaceutical compositions comprising them are disclosed.

Abstract: A process for the preparation of compounds of formula (I) wherein R1 is unsubstituted or substituted C1-C8alkyl, R2, R3, R4 and R5 are each independently of the others hydrogen, unsubstituted or substituted C1-C8alkyl, C1-C8 alkoxy, phenoxy or benzyloxy, or halogen, Y1 and Y2 are each independently of the other hydrogen or a protecting group, or Y1 and Y2 together form a protecting bridge, and X1 is hydrogen, an organic radical or a cation, in which process a compound of formula (II) wherein R1 R2, R3, R4 and R5 are as defined above and Z1 is a leaving group, is reacted, in the presence of a catalytically effective amount of a palladium catalyst, with a compound of formula (III) wherein R6 is hydrogen, bromine, chlorine, iodine, —OSO2CF3, —COCI, —B(OH)2 or a mono- or di-ester derived from —B(OH)2, Y3 and Y4 are each a protecting group, or Y3 and Y4 together form a protecting bridge, and X1 is as defined above, to form a compound of formula (IV) and if desired the radicals Y3 and Y4 are converted into the radi

Abstract: There was found a metallocenyl-phthalocyanine or its metal complex of a divalent metal, oxometal, halogenometal or hydroxymetal, in which at least one of the four phenyl rings of the phthalocyanine contains, bound via a bridge unit E, at least one metallocene radical as substituent, E being composed of a chain of at least two atoms or atom groups selected from the group consisting of —CH2—, —C(═O)—, —CH(C1-C4alkyl)—, —C(C1-C4alkyl)2—, —NH—, —S—, —O— and —CH═CH—, as well as mixtures of the novel compounds which comprise, inter alia, isomers, a process for the production, the use and recording media comprising the novel compounds.

Abstract: A process for the preparation of compounds of formula 1

Abstract: Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines (I) and (II) with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, processes for preparing them, their use for, inter alia, optical recording and optical recording media.

Abstract: A process for the preparation of compounds of formula (1), wherein R1 is C1-C6alkyl and X is hydrogen, a hydrocarbon radical or a cation, wherein a compound of formula (2), wherein R1 is as defined above and R2 is hydrogen or a hydrocarbon radical, is reduced, the resulting compound of formula (3) is reacted with a compound that introduces the radical of formula —CH2—COOR3, wherein R3 has the meanings given above for R2, and the resulting compound of formula (4) is reduced and optionally hydrolysed.

Abstract: Novel crystalline forms of Fluvastatin sodium hydrates were found, referred to hereinafter as polymorphic Forms C, D, E and F. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms, a process for the preparation of highly crystalline Fluvastatin sodium Form A, and pharmaceutical compositions comprising the crystalline forms.

Abstract: A process for the preparation of compounds of formula (1), wherein R1 is C1-C6alkyl and X is hydrogen, a hydrocarbon radical or a cation, wherein a compound of formula (2), wherein R1 is as defined above and R2 is hydrogen or a hydrocarbon radical, is reduced, the resulting compound of formula (3) is reacted with a compound that introduces the radical of formula —CH2—COOR3, wherein R3 has the meanings given above for R2, and the resulting compound of formula (4) is reduced and optionally hydrolysed.

Abstract: Crystalline forms of the (3R,5S)- and the (3S,5R)-enantiomer of fluvastatin were found, referred to hereinafter as polymorphic Forms A, B1, B2, C, D and E. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and pharmaceutical compositions comprising the crystalline forms.

Abstract: Compound of formula 1

Abstract: Novel crystalline forms of Fluvastatin sodium hydrates were found, referred to hereinafter as polymorphic Forms C, D, E and F. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms, a process for the preparation of highly crystalline Fluvastatin sodium Form A, and pharmaceutical compositions comprising the crystalline forms.

Abstract: The invention relates to phthalocyanine compounds and are represented by the formula: The compounds are used as a colorant and a pigment precursor, especially in light-sensitive compositions for color filters.

Abstract: There was found a metallocenyl-phthalocyanine or its metal complex of a divalent metal, oxometal, halogenometal or hydroxymetal, in which at least one of the four phenyl rings of the phthalocyanine contains, bound via a bridge unit E, at least one metallocene radical as substituent, E being composed of a chain of at least two atoms or atom groups selected from the group consisting of —CH2—, —C(═O)—, —CH(C1-C4alkyl)—, —C(C1-C4alkyl)2—, —NH—, —S—, —O— and —CH═CH—, as well as mixtures of the novel compounds which comprise, inter alia, isomers, a process for the production, the use and recording media comprising the novel compounds.