TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The substituted or unsubstituted 1-20C alkyl is methyl, ethyl, propyl, isopropyl, n-butyl, sec.-butyl, isobutyl, tert.-butyl, pentyl, n-hexyl, n-heptyl or n-octyl group. The substituted 1-20C alkyl is hydroxymethyl, 1-ethoxy, 2-ethoxy, 2-exthoxy-isobutyl, 1,3-dyhydroxy-isopropyl, 2,3-dyhydroxy-tert.-butyl, 1,2,3-trihydroxy-propyl, chloromethyl, 1-chloroethyl, 2-chloroethyl, 2-chloro-isobutyl, 1,2-dichloroethyl, 1,3-dichloro-isopropyl, 2,3-dichloro-tert.-butyl, 1,2,3-trichloracetyl-propyl, 1-bromomethyl, 2-bromomethyl, 2-isobutyl, 1,3-dibromo-isopropyl, 2,3-dibromo-tert.-butyl, 1,2,3-tribromo-propyl, iodomethyl, 1-iodoethyl, 2-iodoethyl, 2-iodoisobutyl, 1,2-diiodoethyl, 1,3-diiodoisopropyl, 2,3-diiodide-tert.-butyl, 1,2,3-triiodopropyl, aminomethyl, 1-aminoethyl, 2-aminoisobutyl, 1,2-diamido-ethyl, 1,3-diamido-isopropyl, 2,3-diamido-tert.-butyl or 1,2,3-triamido-propyl group. The substituted or unsubstituted 1-20C alkyl is cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl group. The substituted 5-20C cycloalkyl is 4-methyl-cyclohexyl, diamantane or polynorbornene-alkyl group. The 1-20C alkoxy group is represented by formula -OR (IV). The 6-60C aralkyl is benzyl, 1-phenyl-ethyl, 2-phenyl-ethyl, 1-phenyl-isopropyl, 2-phenyl-isopropyl, phenyl-tert.-butyl, alpha -methyl, 1- alpha -ethyl, 2- alpha -ethyl, 1- alpha -isopropyl, 2- alpha -isopropyl, beta -methyl, 1-ethyl, 2- beta -ethyl, 1- beta -isopropyl, 2- beta -isopropyl, methyl benzyl, o-methyl benzyl, benzyl chloride group, benzyl bromide group, benzyl iodide group, o-benzyl for nitrobenzyl, o-nitrobenzyl, cyanobenzyl o-cyanobenzyl or 1-chloro-2-phenyl isopropyl group. The 6-50C aryl is phenyl, 1-naphthyl, 2-naphthyl, 1-anthryl, 2-anthryl, 9-anthryl, 1-phenanthryl, 2-phenanthryl, 3-phenanthryl, 4-phenanthryl, 9-phenanthryl, 1-pyrenyl, 2-pyrenyl, 4-pyrenyl, 2-biphenylyl, 3-biphenyl, 4-biphenyl, o-cresyl, p-tolyl, tert.-butyl phenyl, 3-methyl-2-naphthyl, 4-methyl-1-naphthyl, 4-methyl-1-anthryl, 4'-methyl-biphenyl or 4''-butyl-biphenyl-4-paraterphenyl group. The 6-50C aryloxy group is represented by formula -OAr (V). The 5-50C heteroaromatic ring group is 1-pyrrolyl, 2-pyrrolyl, 3-pyrrolyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, 1-indolyl, 2-indolyl, 4-indolyl, 5-indolyl, 6-indolyl, 7-indolyl, 1-isoindolyl, 2-isoindolyl, 3-isoindolyl, 4-iso-indolyl, 5-iso-indolyl, 6-iso-indolyl, 7-isoindolyl, 2-furyl, 3-furyl, 2-benzofuranyl, 3-benzofuranyl, 4-benzofuranyl, 5-benzofuranyl, 6-benzofuranyl, 7-benzofuranyl, 1-benzofuran, 3-isobenzofuran, 4-isobenzofuran, 5-isobenzofuran, 6-isobenzofuran, 7-benzo, 2-quinolyl, 3-quinolyl, 4-quinolyl, 5-quinolinyl, 6-quinolinyl, 7-quinolyl, 1-quinolyl, 3-isoquinolinyl, 4-isoquinolinyl, 5-isoquinolinyl, 6-quinolyl, 7-isoquinolinyl, 5-carbazole group, 6-carbazole group, 1-indolyl, 2-indolyl, 3-indolyl, 4-indolyl, 1-pyridyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, 6-pyridyl, 1-acridinyl, 2-acridinyl, 3-acridinyl, 4-acridinyl, 1,7-phenanthrolinyl, 1,7-phenanthroline, 1,8-phenanthrolinyl, 1,9-phenanthrolinyl, 1,9-phenanthrolinyl, 2,8-phenanthrolinyl, 2,8-phenanthrolinyl, 2,7-phenanthrolinyl, 1-phenazinyl, 2-phenazinyl, 2-oxazolyl, 4-oxazolyl-oxazolyl, 2-thiophenyl, 3-thiophenyl, 2-methyl-1-indolyl, 2-methyl-3-indolyl , 4-methyl-3-indolyl, 2-tert.-butyl-1-indolyl or 4-tert.-butyl-1-indolyl group. The organic solvent is methyl, ethyl, tetrahydrofuran, dichloromethane or dioxane.R=alkyl, preferably methyl, ethyl, propyl, isopropyl, n-butyl, sec.-butyl, isobutyl, tert.-butyl, pentyl, n-hexyl, n-heptyl, n-octyl, hydroxymethyl, 1-ethoxy, 2-ethoxy, 2-hydroxy-isobutyl, 1,2-dyhydroxy-ethyl, 1-3-dichloro-isopropyl, 2,3-dichloro-tert.-butyl, 1,2,3-trichloro-propyl, monobromomethyl, dibromomethyl, 2-bromo-isobutyl, 1-3-dibromo-isopropyl, 2,3-dibromo-tert.-butyl, 1,2,3-tribromo-propyl, methyl iodide, 1-iodoethyl, 2-iodoethyl, 2-iodoisobutyl, 2,3-diiodo-tert.-butyl, 1,2,3-triiodo-propyl, 1,2-diiodoethyl, 1,3-dichloroiodo-isopropyl, 2,3-iodoxy-tert.-butyl, 1,2,3-triiodo-propyl group, aminomethyl, 1-amino ethyl, 2-amino ethyl, 2-amino-isobutyl, 1,2-diamido-ethyl, 1,3-diamido-isopropyl, 2,3-diamido-tert.-butyl, 1,2,3-triamido-propyl, cyano methyl, 1-cyan-ethyl, 2-cyan-ethyl, 2-cyan-isobutyl, 1,3-dicyano-isopropyl, 2,3-dicyano-tert.-butyl, 1,2,3-tricyano-propyl, nitro-methyl, 1-nitro-ethyl, 2-nitro-ethyl, 1,3-dinitro-isopropyl, 2,3-dinitro-tert.-butyl or 1,2,3-trinitro-propyl group; andAr=aryloxy, preferably phenyl, 1-naphthyl, 2-naphthyl, 1-anthryl, 2-anthryl, 1-phenanthryl, 2-phenanthryl, 3-phenanthryl, 4-phenanthryl, 9-phenanthryl, 1-pyrene, 2-pyrene, 4-pyrene, 2-biphenylyl, 3-biphenyl , 4-biphenyl, 3-biphenyl-4-yl, 3-biphenyl-3-yl, 3-diphenyl-2-yl, o-cresyl, tolyl, p-tolyl, tert.-butyl phenyl, 3-methyl-2-naphthyl, 4-methyl-naphthyl, 4-methyl-1-naphthyl, 4'-methyl-biphenyl, 4''-tert.-butyl-biphenyl, 2-pyrrolyl, 3-pyrrolyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, 2-indolyl, 3-indolyl, 4-indolyl, 5-indolyl, 6-indolyl, 7-indolyl, 1-iso-indolyl, 3-iso-indolyl, 4-iso-indolyl, 5-iso-indolyl, 6-iso-indolyl, 2-furyl, 3-furyl, 2-benzofuranyl, 3-benzofuranyl, 4-benzofuranyl, 5-benzofuranyl, 6-benzofuranyl, 7-benzofuranyl, 7-benzene-furyl, 2-quinolyl, 3-quinolyl, 4-quinolyl, 5-quinolyl, 6-quinolinyl, 7-quinolyl, 8-quinolyl, 1-isoquinoline morpholinyl, 6-iso-quinolyl, 5-carbazole group, 1-phenanthridinyl, 2-phenanthridinyl, 3-phenanthridinyl, 4-phenanthridinyl, 6-phenanthridinyl, 7-phenanthridinyl, 8-phenanthridinyl, 9-phenanthridinyl, 10-phenanthridinyl, 1-acridinyl, 2-acridinyl, 3-acridine-4-acridinyl or 9-acridinyl group.