关键词: azo compounds caged compounds photochemistry photouncaging quantum yield

Mesh : Molecular Structure Phosphates / chemistry Quantum Theory Ultraviolet Rays

来  源:   DOI:10.1002/cphc.201402547   PDF(Sci-hub)

Abstract:
The quantum yields for photouncaging reactions are mostly determined relative to other uncaging reactions, often using 1-(2-nitrophenyl)ethyl-phosphate (\"caged phosphate\"). Herein, we demonstrate that the quantum yields acquired by using this method can be off by an order of magnitude at the typical irradiation wavelengths around 350 nm and describe an easy-to-use alternative procedure using inexpensive azobenzene.
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