title: Fluorescein analogues as photoremovable protecting groups absorbing at ∼520 nm.
abstract: A new photoremovable protecting group, (6-hydroxy-3-oxo-3H-xanthen-9-yl)methyl (1), with a molar absorption coefficient ε of ∼4 × 10(4) m(-1) cm(-1) at ∼520 nm for the release of carboxylates or phosphates is reported. Three derivatives of 1 (diethyl phosphate, acetate, and bromide) were isolated as complexes with DDQ and shown to release the ligands with quantum yields ≤2.4% in aqueous solution.
authors: Department of Chemistry, Faculty of Science, Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic.
authors: Peter
authors: P
authors: Sebej
authors: Jürgen
authors: J
authors: Wintner
authors: Pavel
authors: P
authors: Müller
authors: Tomáš
authors: T
authors: Slanina
authors: Jamaludin
authors: J
authors: Al Anshori
authors: Lovely Angel Panamparambil
authors: LA
authors: Antony
authors: Petr
authors: P
authors: Klán
authors: Jakob
authors: J
authors: Wirz
mesh_terms: D000042:Absorption; D019793:Fluorescein / Q000737:chemistry*; D008024:Ligands; D015394:Molecular Structure; D010777:Photochemistry; D010782:Photolysis; D011789:Quantum Theory; D012996:Solutions / Q000737:chemistry*; D014966:Xanthenes / Q000737:chemistry*
chemical_list: C582023:(6-hydroxy-3-oxo-3H-xanthen-9-yl)methyl; D008024:Ligands; D012996:Solutions; D014966:Xanthenes; D019793:Fluorescein