A one- and two-photon activated photoremovable protecting group (PRPG) was designed based on a carbazole fused o-hydroxycinnamate platform for the dual (same or different) release of alcohols. The mechanism for the dual release proceeds through a stepwise pathway and also monitors the first and second photorelease in real time by an increase in fluorescence intensity and color change, respectively. Further, its application in staining live neurons and ex vivo imaging with two-photon excitation is shown.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7116067 | PMC |
| http://dx.doi.org/10.1021/acs.orglett.8b00090 | DOI Listing |
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