TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (Claimed): The phenanthrene-containing compound (I) is prepared by reacting phenanthrene-containing compound (XX) with imine group-containing compound of formula: HNA1A'2, or of formula (XXI) or (XXII) in presence of a base and a catalyst in a solvent. Preferred Composition: The phenanthrene-containing compound (I) is of formula (II) or (III). Full Definitions:    R1,R2=H, F, 1-18C alkyl optionally substituted by E and/or D', or 6-24C aryl or 2-20C heteroaryl (both optionally substituted by G);    or R1+R2=group of formula (i)-(iii);    R'206,R'208,R205-R210=H, 1-18C alkyl or 1-18C alkoxy (both optionally substituted by E and/or D'), 1-18C fluoroalkyl, 2-18C alkenyl, 2-18C alkynyl, CN or -CO-R28, or 6-24C aryl, 2-20C heteroaryl or 7-25C aralkyl (all optionally substituted by G);    X1,X2=-NA1A'1;    A1,A'1=6-24C aryl or 2-20C heteroaryl (both optionally substituted by G);    or A1+A'1+N=heteroaromatic ring or group of formula (iv) or (v);    m'=0, 1 or 2;    R41=10-28C aryl optionally substituted by G;    -L3-X1,-L4-X2=group chosen from 15 groups e.g. group of formula (x)-(xiv);    Q1=carbocyclic aromatic or heterocyclic aromatic ring, which is optionally condensed with other ring(s) to form a condensed ring, and/or optionally substituted by G;    R'121=6-18C aryl or 2-20C heteroaryl (both optionally substituted by 1-18C fluoroalkyl, 1-18C alkoxy, or 1-18C alkyl optionally substituted by -O-);    R124-R126=H, 1-18C alkyl or 1-18C alkoxy (both optionally substituted by E and/or D'), 1-18C fluoroalkyl, 2-18C alkenyl, 2-18C alkynyl, 7-25C aralkyl, or 6-24C aryl or 2-20C heteroaryl (both optionally substituted by G);    L1=single bond, -(CR47=CR48)m2-, -(Ar3)m3-, -(Ar3(Y1)m5)m4-, -((Y1)m5Ar3)m4-, or -(Ar3(Y2)m5Ar4)m4-;    Y1=-(CR7=CR48)-;    Y2=NR49, O, S, C=O, C(=O)O, or 1-18C alkyl optionally substituted by -O-;    R9=H, 6-18C aryl optionally substituted by 1-18C alkyl, or 1-18C alkoxy;    R47,R48=H, fluoro, 1-25C alkyl, or 6-24C aryl optionally substituted by G;    m2,m5=1-10;    m3,m4=1-5;    Ar3,Ar4=arylene, or heteroarylene (both optionally substituted);    L3,L4=single bond, or group of formula (ia)-(ie);    R410=Cl, F, CN, NR45R'45, 2-25C alkyl, 4-18C cycloalkyl, 1-25C alkoxy, in which one or more carbon atoms which are not adjacent to each other is optionally substituted by -NR45, -O-, -S-, -C(=O)-O-, or -O-C(=O)-O-, and/or one or more hydrogen atoms is optionally substituted by F, 6-24C aryl or 6-24C aryloxy, in which one or more carbon atoms is optionally substituted by O, S, or N, and/or one or more non-aromatic groups;    or two or more of R410=ring;    X10=O, S, or NR43;    R43=6-18C aryl optionally substituted by 1-18C alkyl, or 1-18C alkoxy, 1-18C alkyl optionally substituted by -O-, or 2-20C heteroaryl;    R47,R48=H, 1-18C alkyl, or 6-10C aryl optionally substituted by one or more 1-8C alkyl or 1-8C alkoxy;    R119,R120=2-18C alkenyl, 7-25C aralkyl, 2-18C alkynyl, or 1-18C alkyl or 1-18C alkoxy (both optionally substituted by E and/or D'), or 6-24C aryl or 2-20C heteroaryl (both optionally substituted by G);    or R119+R120==CR121R122, or 5- or 6-membered ring optionally substituted by 7-25C aralkyl, -C(=O)-R28, 2-18C alkenyl, 2-18C alkynyl, or 1-18C alkyl or 1-18C alkoxy (both optionally substituted by E and/or D'), or 6-24C aryl or 2-20C heteroaryl (both optionally substituted by G);    R28=H, 6-18C aryl optionally substituted by 1-18C alkyl or 1-18C alkoxy, or 1-18C alkyl optionally substituted by -O-;    R121,R122=H, 1-18C alkyl optionally substituted by E and/or D', or 6-24C aryl or 2-20C heteroaryl (both optionally substituted by G);    D'=-CO-, -COO-, -S-, -SO-, -SO2-, -O-, -NR65-, -SiR70R71-, -POR72-, -CR63=CR64-, or -CC-;    E=-OR69, -SR69, -NR65R66, -COR68, -COOR67, -CONR65R66, -CN, or halo;    G=E, or 1-18C alkyl;    R63,R64=6-18C aryl optionally substituted by 1-18C alkyl or 1-18C alkoxy, or 1-18C alkyl optionally substituted by -O-;    or R65+R66=6-18C aryl optionally substituted by 1-18C alkyl or 1-18C alkoxy, or 1-18C alkyl optionally substituted by -O-, or 5- or 6-membered ring;    R67=6-18C aryl optionally substituted by 1-18C alkyl or 1-18C alkoxy, or 1-18C alkyl optionally substituted by -O-;    R68=H, 6-18C aryl optionally substituted by 1-18C alkyl or 1-18C alkoxy, or 1-18C alkyl optionally substituted by -O-;    R69=6-18C aryl optionally substituted by 1-18C alkyl or 1-18C alkoxy, or 1-18C alkyl optionally substituted by -O-;    R70-R72=1-18C alkyl, 6-18C aryl, or 6-18C aryl substituted by 1-18C alkyl;and    ml0=0, 1 , 2, 3 or 4, preferably 0 or 1.    Preferred Definitions:    R1,R2=group of formula (iia) or (iib);    R7-R9=H, 1-18C alkoxy, or 1-18C alkyl optionally substituted by O;    or R1+R2=group (i);    R205-R208=H, 1-18C fluoroalkyl, or 1-18C alkyl or 1-18C alkoxy (both optionally substituted by O);and    -L3-X1,-L4-X2=pyren-2-yl, pyren-1-yl or anthracen-2-yl.    SPECIFIC COMPOUNDS - 70 Phenanthrene-containing compounds are specifically claimed e.g. 2,3,5,5,10,10-hexaphenyl-1-oxa-cyclopenta(l)phenanthrene-5,10-diamine of formula (Ia), 5,10-dinaphthalen-1-yl-2,3,5,10-tetraphenyl-1-oxa-cyclopenta(l)phenanthrene-5,10-diamine, 2,3,5,10-tetranaphthalen-1-yl-5,10-diphenyl-1-oxa-cyclopenta(l)phenanthrene-5,10-diamine, 2,3,6,6,9,9-hexaphenyl-1-oxa-cyclopenta(l)phenanthrene-6,9-diamine and 6,9-dinaphthalen-1-yl-2,3,6,9-tetraphenyl-1-oxa-cyclopenta(l)phenanthrene-6,9-diamine.