Patent ID: 8906927

Claim:
A penta-substituted tetrahydropyrimidines with aggregation-induced emission characteristics, comprising structures shown as formula (I): wherein R 1 is selected from a group consisting of linear or branched C 1-8 alkyls and substituted C 1-8 alkyls; R 2 and R 4 are independently selected from a group consisting of C 1-8 linear or branched alkyls, C 1-8 substituted alkyls, C 5-8 cycloalkyls, C 5-8 substituted cycloalkyls, C 5-6 aryls, C 5-6 substituted aryls, C 9-18 polycyclic aryls, C 9-18 substituted polycyclic aryls, C 5-6 heterocyclyls, C 5-6 substituted heterocyclyls, C 5-6 aromatic heterocyclyls and C 5-6 substituted aromatic heterocyclyls; R 3 is selected from a group consisting of C 5-6 aryls, C 5-6 substituted aryls, C 9-18 polycyclic aryls, C 9-18 substituted polycyclic aryls, C 5-6 aromatic heterocyclyls and C 5-6 substituted aromatic heterocyclyls.