Preparative reactions using visible

EPLING WANG Preparative Reactions Using Visible Light... 

In the photo-catalytic reaction we use visible or UV-light to irradiate the catalyst instead of light. The reaction is conducted at room temperature. Sato and White first reported the first photo-catalytic WGS reaction on Pt/Ti02 catalyst [22]. Then, they prepared NaOH-coated Pt/Ti02 catalysts for the photo-WGS reaction. When Pl/ri02 was coated with NaOH, the photo-catalytic activity... 

The use of the term leuco dye is a common paradox. Leuco color formers are materials that undergo controlled chemical or physical changes resulting in a shift from a colorless state to an intense color. The preparation of leuco color formers takes advantage of the very nature of colored materials themselves. The existence of extended conjugated -system in dyes is responsible for the absorption in the visible region. The chemistry of such rc-system is noted for facile reactivity, particularly to reactions such as reduction, oxidation, and hydrolysis (not hydrolytic cleavage). When n-... 

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