The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 520-27-4, Name is Diosimin, SMILES is O=C1C=C(C2=CC=C(OC)C(O)=C2)OC3=CC(O[C@H]4[C@@H]([C@H]([C@@H]([C@@H](CO[C@H]5[C@@H]([C@@H]([C@H]([C@H](C)O5)O)O)O)O4)O)O)O)=CC(O)=C13, in an article , author is Venkatesh, Talavara, once mentioned of 520-27-4, Product Details of 520-27-4.
Development of electrochemical and optoelectronic performance of new 7-{[1H-indol-3-ylmethylidene]amino}-4-methyl-2H-chromen-2-one dye
A new 7-{[1H-indol-3-ylmethylidene]amino}-4-methyl-2H-chromen-2-one dye (3) was synthesized by the reaction of 7-amino-4-methyl coumarin with indole-3-carbaldehyde in EtOH using GAA as a catalyst. The photophysical properties of the synthesized compound were studied using UV-visible and photoluminescence spectrophotometer. Redox onset potential for the dye compound was recorded through a cyclic voltammogram (CV), which aids to calculate the highest occupied molecular orbital (HOMO)-lowest unoccupied molecular orbital (LUMO) values. The experimental and theoretical HOMO-LUMO values were calculated using the density functional theory (DFT). Moreover, the I-V characteristics were evaluated by two-sense Keithley source in dark and light medium by using a mercury lamp as a light source. The results of the I-V study showed that the compound (3) possesses good light-absorbing capability with a high molar absorption extinction coefficient (0.80 x 10(-5) epsilon). Therefore, the I-V characteristics suggest the efficiency of obtained dye for photovoltaic uses.
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Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles