Discovery of Benzo[b]furan-2-carboxaldehyde

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Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments. 4265-16-1. Introducing a new discovery about 4265-16-1, Name is Benzo[b]furan-2-carboxaldehyde

Fluorescent Dyes with Large Stokes Shifts – a Simple Synthesis of <2,2'-Bipyridine>-3,3′-diol

<2,2'-Bipyridine>-3,3′-diol (4) is obtained in one step from furoin (8) by Zincke rearrangement in 32percent yield.The fluorescence quantum yield of the dye is 50percent in chloroform – absorption and fluorescence spectra are completely separated (TZ = 1011).The large Stokes shift is caused by a proton transfer according to the Foerster mechanism.

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Reference£º
Benzofuran – Wikipedia,
Benzofuran | C8H911O – PubChem