Two-Photon-Triggered NO Release via a Ruthenium-Nitrosyl Complex with a Star-Shaped Architecture

Margarita Romero Ávila; Andrés Felipe León-Rojas; Pascal G. Lacroix; Isabelle Malfant; Norberto Farfán; Rana Mhanna; Rosa Santillan; Gabriel Ramos-Ortiz; Jean Pierre Malval

doi:10.1021/acs.jpclett.0c01953

Two-Photon-Triggered NO Release via a Ruthenium-Nitrosyl Complex with a Star-Shaped Architecture

Margarita Romero Ávila, Andrés Felipe León-Rojas, Pascal G. Lacroix, Isabelle Malfant, Norberto Farfán, Rana Mhanna, Rosa Santillan, Gabriel Ramos-Ortiz, Jean Pierre Malval

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Abstract

We report herein a molecular engineering strategy based on the design of a multipolar ruthenium-nitrosyl (Ru-NO) complex with a three-branched architecture. The three Ru-NO units are introduced at the periphery of a highly I-delocalized truxene core bearing three terpyridine ligands. The two-photon absorption capabilities of the complex were investigated by the Z-scan technique. The strong electronic coupling among the individual arms gives rise to a very strong two-photon absorption response (I800 nm ∼1600 GM), which corresponds to a 16-fold enhancement of the capability of a single-Arm reference, thereby promoting an efficient light-driven NO release process in aqueous media.

Original language	English
Pages (from-to)	6487-6491
Number of pages	5
Journal	Journal of Physical Chemistry Letters
Volume	11
Issue number	16
DOIs	https://doi.org/10.1021/acs.jpclett.0c01953
Publication status	Published - 20 Aug 2020
Externally published	Yes

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10.1021/acs.jpclett.0c01953

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title = "Two-Photon-Triggered NO Release via a Ruthenium-Nitrosyl Complex with a Star-Shaped Architecture",

abstract = "We report herein a molecular engineering strategy based on the design of a multipolar ruthenium-nitrosyl (Ru-NO) complex with a three-branched architecture. The three Ru-NO units are introduced at the periphery of a highly I-delocalized truxene core bearing three terpyridine ligands. The two-photon absorption capabilities of the complex were investigated by the Z-scan technique. The strong electronic coupling among the individual arms gives rise to a very strong two-photon absorption response (I800 nm ∼1600 GM), which corresponds to a 16-fold enhancement of the capability of a single-Arm reference, thereby promoting an efficient light-driven NO release process in aqueous media.",

author = "{Romero {\'A}vila}, Margarita and Le{\'o}n-Rojas, {Andr{\'e}s Felipe} and Lacroix, {Pascal G.} and Isabelle Malfant and Norberto Farf{\'a}n and Rana Mhanna and Rosa Santillan and Gabriel Ramos-Ortiz and Malval, {Jean Pierre}",

note = "Funding Information: The work was performed within the framework of the French–Mexican International Laboratory (LIA-LCMMC). The authors acknowledge support from PAPIIT (IN222819), PAIP, and CONACYT and from USAII for NMR spectra. Publisher Copyright: Copyright {\textcopyright} 2020 American Chemical Society.",

year = "2020",

month = aug,

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doi = "10.1021/acs.jpclett.0c01953",

language = "English",

volume = "11",

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AU - Romero Ávila, Margarita

AU - León-Rojas, Andrés Felipe

AU - Lacroix, Pascal G.

AU - Malfant, Isabelle

AU - Farfán, Norberto

AU - Mhanna, Rana

AU - Santillan, Rosa

AU - Ramos-Ortiz, Gabriel

AU - Malval, Jean Pierre

N1 - Funding Information: The work was performed within the framework of the French–Mexican International Laboratory (LIA-LCMMC). The authors acknowledge support from PAPIIT (IN222819), PAIP, and CONACYT and from USAII for NMR spectra. Publisher Copyright: Copyright © 2020 American Chemical Society.

PY - 2020/8/20

Y1 - 2020/8/20

N2 - We report herein a molecular engineering strategy based on the design of a multipolar ruthenium-nitrosyl (Ru-NO) complex with a three-branched architecture. The three Ru-NO units are introduced at the periphery of a highly I-delocalized truxene core bearing three terpyridine ligands. The two-photon absorption capabilities of the complex were investigated by the Z-scan technique. The strong electronic coupling among the individual arms gives rise to a very strong two-photon absorption response (I800 nm ∼1600 GM), which corresponds to a 16-fold enhancement of the capability of a single-Arm reference, thereby promoting an efficient light-driven NO release process in aqueous media.

AB - We report herein a molecular engineering strategy based on the design of a multipolar ruthenium-nitrosyl (Ru-NO) complex with a three-branched architecture. The three Ru-NO units are introduced at the periphery of a highly I-delocalized truxene core bearing three terpyridine ligands. The two-photon absorption capabilities of the complex were investigated by the Z-scan technique. The strong electronic coupling among the individual arms gives rise to a very strong two-photon absorption response (I800 nm ∼1600 GM), which corresponds to a 16-fold enhancement of the capability of a single-Arm reference, thereby promoting an efficient light-driven NO release process in aqueous media.

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JO - Journal of Physical Chemistry Letters

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ER -

Two-Photon-Triggered NO Release via a Ruthenium-Nitrosyl Complex with a Star-Shaped Architecture

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