PHOTOLABILE ACETAL AND KETAL COMPOUNDS FOR THE CONTROLLED RELEASE OF ACTIVE VOLATILE CARBONYL COMPOUNDS
The present invention relates to a delivery system based on photosensitive acetal or ketal compounds capable of liberating upon exposure to light an active volatile carbonyl compound in a controlled manner from a surface into the surrounding. The delivery
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Page/Page column 26
(2016/08/17)
Photolabile acetals as profragrances: The effect of structural modifications on the light-induced release of volatile aldehydes on cotton
Because volatile compounds evaporate from surfaces that are usually exposed to daylight, photoresponsive delivery systems are particularly suitable to control their release. In the present study, we investigated 4,4-diphenyl-4H-benzo[d][1,3]dioxins as pro
Trachsel, Alain,Buchs, Barbara,Herrmann, Andreas
p. 1183 - 1203
(2016/09/09)
Sequential removal of photolabile protecting groups for carbonyls with controlled wavelength
(Chemical Equation Presented) A group of robust and easy-to-make photolabile protecting groups (PPGs) for carbonyl compounds has been developed. Sequential removal of different PPGs is achieved via control of irradiation wavelength.
Novel photolabile protecting group for carbonyl compounds
Equation presented A novel type of photo-protecting group for carbonyl compounds is described. The protecting group is readily accessed in one step from commercially available material. Installation of the protecting group upon the carbonyl compounds is achieved in excellent yields. The carbonyl compounds in their protected form are remarkably stable under various conditions and can be released photochemically in high efficiency.
Pengfei, Wang,Huayou, Hu,Yun, Wang
p. 1533 - 1535
(2008/02/02)
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