Patent EP-1710793-A1 (EP)
Inventor: WOLLEB ANNEMARIE
IPC: G11B7/257
Filed: 2005-04-05
Abstract: Optical recording medium comprises a substrate, recording layer containing a metal chelate compound, and optionally a reflecting layer. Optical recording medium comprises a substrate, recording layer containing a metal chelate compound (I) of formula (M-m+(X-n)x(L1)(L2)y(L3)z), and optionally a reflecting layer. Either L1, L2a ligand compound of formula (II); or L1L2a direct bond or a compound with 2-10C alkylene or 2-10C alkenylene; L3the ligand (II); M : a transition metal of the groups 6-12 or an element of the group 13, which is bonded to at least R1, R2, R3 and R4 and coordinated with one or more further ligand, and/or exhibits an electrostatic interaction optionally to balance an excess charge with one or more further ions within or outside of the coordination sphere; Q1CR6R7; Q2CR8R9, N-OR8, N-NR8R9, O, S or NR8; Q3CR10R11 = CO, SO, O=S=O or P(O)R12; either R1-R4(Q3)qR13; or 2(R1-R4) : (Q3)qR13, T (optionally substituted with 6-10C aryl, 1-9C heteroaryl, 7-12C aralkyl or 2-12C heteroaralkyl, all optionally substituted with halo, OH, OR15, SR15, NH2, NHR15, NR15R16, NO2, CN, OCN, SCN, CHO, COR15, CR17OR15OR16, COOH, COOR15, CONH2, CONHR15, CONR15R16, SO2R15, P(O)R15R16, P(O)R15OR16 or P(O) OR15OR16), alkyl or 2-10C alkenyl (optionally substituted with NR15R16, SR15, halo or for OR15); or 3(R1-R4) : T (optionally substituted with 6-10C aryl, 1-9C heteroaryl, 7-12C aralkyl or 2-12C heteroaralkyl, all optionally substituted with halo, OH, OR15, SR15, NH2, NHR15, NR15R16, NO2, CN, OCN, SCN, CHO, COR15, CR17OR15OR16, COOH, COOR15, CONH2, CONHR15, CONR15R16, SO2R15, P(O)R15R16, P(O)R15OR16 or P(O) OR15OR16), where an additional ring is formed, which is preferably non-conjugated; T : R14, NR10NR8R9, NO2, SiR8R15R16, C(R10) =NR8, C(R10)=N-OR8, CON(R10) OR8, CON (R10)NR8R9, S(O)R15, S(O)2-R15, S(O)-OR8, S(O)N(R10)NR8R9, SO2NR8R9, SO2N(R10)NR8R9, SO3R8, P(O)R15R16, P(O)R15OR8, P(O)OR8OR9 or P(O)(NR8R9)2; or either R5, R8-R11R1-R4, R6 or R7; or R8R9, R10R112-10C alkyl or 2-10C alkenyl (optionally substituted with NR15R16, SR15, halo or OR15), which is interrupted by O or NR15; R12-R191-5C alkyl, 2-5C alkenyl, 2-5C alkynyl, 3-5C cycloalkyl, hetero 2-5C cycloalkyl, 3-5C cycloalkenyl (optionally substituted with NR15R16, SR15, halo or OR15), 6-10C aryl, 1-9C heteroaryl, 7-12C aralkyl, 2-12C heteroaralkyl (optionally substituted with halo, OH, OR15, SR15, NH2, NHR15, NR15R16, NO2, CN, OCN, SCN, CHO, COR15, CR17OR15OR16, COOH, COOR15, CONH2, CONHR15, CONR15R16, SO2R15, P(O)R15R16, P(O)R15OR16 or P(O)OR15OR16) or H; either R61-5C alkyl, 2-5C alkenyl, 2-5C alkynyl, 3-5C cycloalkyl, hetero 2-5C cycloalkyl, 3-5C cycloalkenyl (optionally substituted with COR10, COOR10, CONR8R9, CN, halo or OR15), H, R18, OR8, SR8 or NR8R9; and R7, R18R1-R6, R8-R17; or R6R7direct bond, O, S, NR8, C=O, C=S or C=NR8; R19CN, COR10, C(R10) = NR20, COOR10, CONR8R9, SOR12, SO2R12 or SO2NR8R9; Q15-7 membered ring; R12OR8, SR8, NR8R9 or R11; R13O, S or N-R21; R141-5C alkyl, 2-5C alkenyl, 2-5C alkynyl, 3-5C cycloalkyl, hetero-2-5C cycloalkyl, 3-5C cycloalkenyl (optionally substituted with NR15R16, SR15, halo or OR15), H, halo, OR19, SR19, NR8R9, COR10, COOR10, CONR8R9 or CN; either R15-R171-5C alkyl, 2-5C alkenyl, 2-5C alkynyl, 3-5C cycloalkyl, hetero 2-5C cycloalkyl, 3-5C cycloalkenyl (optionally substituted with NR22R23, SR22, halo or OR22); or R15R162-10C alkyl or 2-10C alkenyl (optionally substituted with NR22R23, SR22, halo or OR22 and interrupted by O or NR22); R191-5C alkyl, 2-5C alkenyl, 2-5C alkynyl, 3-5C cycloalkyl, hetero 2-5C cycloalkyl, 3-5C cycloalkenyl (optionally substituted with NR15R16, SR15, halo or OR15), H, COR10, COOR24, CR8OR9OR10, CN, CONR8R9, SO2R24, P(O)R24R25, P(O)R24OR25 or P(O)OR24OR25; R20NR8R9, OR9, SR9, R8 or R21; R21COR10, COOR24, CN, CONR8R9, SO2R24, P(O)R24R25, P (O)R24OR25 or P(O)OR24OR25; either R22 , R231-5C alkyl, 2-5C alkenyl, 2-5C alkynyl, 3-5C cycloalkyl, hetero-2-5C cycloalkyl or 3-5C cycloalkenyl (all optionally substituted with halo, OR26 or NR26R27), phenyl, 1-4C heteroaryl, benzyl or 2-5C heteroaralkyl (all optionally substituted with halo, OR26, NR26R27, NO2, CN, OCN, SCN, COR26, CR26OR28OR29, COOR28, CONR26R27, SO2R28, P(O)R28R29, P(O)R28OR29 or P(O)OR28OR29), or H; or R22+R232-5C alkylene or 2-5C alkenyl (all optionally substituted with NR26R27, SR26, halo or OR26 and interrupted by O and/or NR26); either R24, R251-5C alkyl, 2-5C alkenyl, 2-5C alkynyl, 3-8C cycloalkyl, hetero-2-8C cycloalkyl or 3-5C cycloalkenyl (all optionally substituted with NR26R27, SR26, halo and/or OR26); or R24+R252-10C alkylene or 2-10C alkenyl (optionally substituted with NR26R27, SR26, halo and/or OR26 and interrupted by O and/or NR26); either R26, R27H, methyl or ethyl; and R28, R29methyl or ethyl; or R26+R27, R28+R291,5 pentylene, 3-oxa-1,5-pentylene or 3-oxa-1,5-pentylene (all substituted by methyl and/or 1-5 substituted ethyl); X-n : counter ion; m : 1-3; n : a charge -2, -1, +1 or +2; p : 1-2; and q, x, y, z : 0-1. Provided that the sum of the charges of M-m+, (X-n)x, (L1), (L2)y and (L3)z is 0. Independent claims are included for: (1) a procedure for recording or reproducing data comprising recording or reproducing the data on the optical recording medium in a wave length of 300-500 nm; and (2) a metal compound (I). [Image].