Reference of 4265-16-1, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 4265-16-1, Name is Benzo[b]furan-2-carboxaldehyde,introducing its new discovery.
A series of linear benzofuran derivatives consisting of either a vinylene or a cyanovinylene were prepared in order to investigate their emission properties. The X-ray crystallography of structurally similar derivatives was also evaluated. The crystalline structures of the vinylene derivatives showed only lateral contacts that involved the benzofurans and no pi-stacking. In contrast, pi-stacking was observed for the bisbenzofuran and benzofuran-phenyl cyanovinylene derivatives. No intermolecular pi-pi stacking was observed for the extended cyanovinylene structures. Intermolecular bonding between the nitrile and a furan atom was found. The fluorescence quantum yields (fl) of the vinylene derivatives were consistently high (>50%) in both solution and the crystal state. The exception was the benzofuran-furan-vinylene-phenyl, the fl of which was <10% when in the solid state. The cyanovinylene counterparts emitted weakly in solution (fl < 2%). Their luminogenic property was demonstrated with a ca. 15-fold increase in emission in the solid state. A 6-fold emission enhancement was also found when they were aggregated in a 90 vol% methanol/water mixture. The solid-state emission enhancement of the cyanovinylene benzofurans was in part attributable to intermolecular contacts that suppressed excited-state deactivation by molecular motion. We’ll also look at important developments in the pharmaceutical industry because understanding organic chemistry is important in understanding health, medicine, the role of 4265-16-1, and how the biochemistry of the body works.Reference of 4265-16-1
Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H834O – PubChem