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Published TCIMAIL newest issue No.198
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Photoremovable DEACM Protecting Group
No.173(April 2017)
7-(Diethylamino)-4-(hydroxymethyl)coumarin (1) works as a photolabile protecting group of phosphoric acids and sulfonic acids and can be removed by irradiating at 300–450 nm.1) 1 is applied to photoinducing endosomal fusion by a caged phosphatidylinositol 3-phosphate in living cells2) and photo-control of RNA transcription by a caged adenosine triphosphate.3)
References
- 1)(Coumarin-4-yl)methyl esters as highly efficient, ultrafast phototriggers for protons and their application to acidifying membrane surfaces
- 2)Activation of membrane-permeant caged PtdIns(3)P induces endosomal fusion in cells
- 3)Light activation of transcription: Photocaging of nucleotides for control over RNA polymerization
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