1-SUBSTITUTED-3-(1E)-1-ALKENYL-4-(5-ALKOXY-1,2-DIMETHYL-1H-INDOL-3-YL)-1H-PYRROLE-2,5-DIONES AND USE THEREOF AS FLUORESCENT PHOTOCHROMES

摘要

1. 1-Substituted-3- [1 (E) -1-alkenyl] -4- (5-alkoxy-1,2-dimethyl-1H-indol-3-yl) -1H-pyrrole-2,5-diones general formula! ,! where R1 = C1-C6 alkyl, R2 = C1-C6 alkyl, R3 = SN2S6N5, C6H5. ! 2. The 1-substituted-3 - [(1E) -1-alkenyl] -4- (5-alkoxy-1,2-dimethyl-1H-indol-3-yl) -1H-pyrrole-2,5-diones of claim 1, wherein R1 = R2 = CH3, R3 = S6N5-1-phenyl-3- (5-methoxy-1,2-dimethyl-1H-indol-3-yl) -4- [1 (E) -1 -propenyl] -1H-pyrrole-2,5-dione. ! 3. 1-Substituted-3- [1 (E) -1-alkenyl] -4- (5-alkoxy-1,2-dimethyl-1H-indol-3-yl) -1H-pyrrole-2,5-diones according to claim 1, wherein R1 = C5H5, R2 = CH3, R3 = SN2S6N5-1-benzyl-3 - [(1E) -1-butenyl] -4- (5-methoxy-1,2-dimethyl-lH-indole -3-yl) -1H-pyrrole-2,5-dione. ! 4. The use of 1-substituted-3 - [(1E) -1-alkenyl] -4- (5-alkoxy-1,2-dimethyl-1H-indol-3-yl) -1H-pyrrole-2,5-diones general formula! ,! where R1 = C1-C6 alkyl, R2 = C1-C6 alkyl, R3 = SN2S6N5, C6H5, as fluorescent photochromes.