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The o-nitrobenzyl group (o-NB) is utilized frequently in polymer and materials science. It covers the use of based cross-linkers for photodegradable hydrogels, o-NB side chain functionalization in (block) copolymers, o-NB side chain functionalization for thin film patterning, o-NB for self-assembled monolayers, photo cleavable block copolymers, and photo cleavable bioconjugates.
Hui Zhao; Elizabeth S. Sterner; E. Bryan Coughlin and Patrick Theato. o-Nitrobenzyl Alcohol Derivatives: Opportunities in Polymer and Materials Science. Macromolecules. 2012, 45 (4), 1723-1736.
Aurélien Blanc and Christian G. Bochet. Isotope Effects in Photochemistry. 1. o-Nitrobenzyl Alcohol Derivatives. J. Am. Chem. Soc. 2004, 126 (23), 7174-7175.
Photosensitive protecting reagent for alcohols, acids, phenols etc., cf 4,5-Dimethoxy-2-nitrobenzyl alcohol, L00719. Bis(2-nitrobenzyl) acetals of carbonyl compounds, prepared by acetalization in the presence of 2,2-dimethoxypropane, are cleaved photochemically: J. Chem. Soc., Chem. Commun., 1828 (1985). For reviews of photoremovable groups in organic synthesis, see: Synthesis, 1 (1980); Org. Photochem., 9, 225 (1987).
Hazard Statements: H315-H319-H335
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P260-P201-P280g-P304+P340-P405-P501a
Do not breathe dust/fume/gas/mist/vapours/spray. Obtain special instructions before use. Wear protective gloves. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.