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2-Oxo-2H-benzo[h]benzopyran as a new light sensitive protecting group for neurotransmitter amino acids.

PubMed
Authors: Soares AM, Costa SP, Gonçalves MS

Year

2010

Paper ID

12368

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

95

Citations

27

Abstract

Aiming at the development of new benzopyran-based photocleavable protecting groups, novel chloromethylated and hydroxymethylated 2-oxo-2H-benzo[h]benzopyran derivatives bearing a methoxy substituent were designed and used in the synthesis of a series of fluorescent bioconjugates, by linking through an ester or urethane bond to several model neurotransmitter amino acids (glycine, alanine, beta-alanine and gamma-aminobutyric acid, GABA). The resulting fluorescent bioconjugates with emission in the visible range and high fluorescent quantum yields, were subjected to photocleavage reaction in methanol/HEPES buffer (80:20) solution at different wavelengths of irradiation (250, 300, 350 and 419 nm) and photocleavage kinetic data were obtained.

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  • Aiming at the development of new benzopyran-based photocleavable protecting groups, novel chloromethylated and hydroxymethylated 2-oxo-2H-benzo[h]benzopyran derivatives bearing...

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References & Citation Signals

[1] DOI https://doi.org/10.1007/s00726-009-0383-z [2] Publisher https://pubmed.ncbi.nlm.nih.gov/19908122/

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal • updated 2026-06-11 00:03:41

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