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Twisted-Planar-Twisted expanded porphyrinoid dimer as a rudimentary reaction-based methanol indicator
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- Li, Qizhao (author)
- East China Univ Sci & Technol, Feringa Nobel Prize Scientist Joint Res Ctr, Frontiers Sci Ctr Mat & Dynam Chem, Sch Chem & Mol Engn,Key Lab Adv Mat, 130 Meilong Rd, Shanghai 200237, Peoples R China.;East China Univ Sci & Technol, Feringa Nobel Prize Scientist Joint Res Ctr, Frontiers Sci Ctr Mat & Dynam Chem, Sch Chem & Mol Engn,Joint Int Res Lab Precision C, 130 Meilong Rd, Shanghai 200237, Peoples R China.
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- Li, Chengjie (author)
- East China Univ Sci & Technol, Feringa Nobel Prize Scientist Joint Res Ctr, Frontiers Sci Ctr Mat & Dynam Chem, Sch Chem & Mol Engn,Key Lab Adv Mat, 130 Meilong Rd, Shanghai 200237, Peoples R China.;East China Univ Sci & Technol, Feringa Nobel Prize Scientist Joint Res Ctr, Frontiers Sci Ctr Mat & Dynam Chem, Sch Chem & Mol Engn,Joint Int Res Lab Precision C, 130 Meilong Rd, Shanghai 200237, Peoples R China.
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- Baryshnikov, Gleb V. (author)
- KTH,Teoretisk kemi och biologi
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- East China Univ Sci & Technol, Feringa Nobel Prize Scientist Joint Res Ctr, Frontiers Sci Ctr Mat & Dynam Chem, Sch Chem & Mol Engn,Key Lab Adv Mat, 130 Meilong Rd, Shanghai 200237, Peoples R China;East China Univ Sci & Technol, Feringa Nobel Prize Scientist Joint Res Ctr, Frontiers Sci Ctr Mat & Dynam Chem, Sch Chem & Mol Engn,Joint Int Res Lab Precision C, 130 Meilong Rd, Shanghai 200237, Peoples R China. Teoretisk kemi och biologi (creator_code:org_t)
- 2020-10-20
- 2020
- English.
- In: Nature Communications. - : Springer Nature. - 2041-1723. ; 11:1
- Journal article (peer-reviewed)
Abstract
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- Directly linked porphyrin dimers have attracted considerable attention because of their intriguing electronic features. Most emphasis has been placed on either dimers with large dihedral angles between the constituent planar monomeric subunits or those with overall planarity, referred to as "Planar-Twisted-Planar" and "Planar-Planar-Planar", respectively. Herein, we report a "Twisted-Planar-Twisted" framework, the hexaphyrin dimer D that exists in a trans configuration. Treatment of D with MeOH affords two isomeric dimers, MD1 and MD2, both of which incorporate a methoxy moiety and exist in cis orientations with respect to the tethering linkage. The methanol-promoted conversion is accompanied by a readily discernible color change from green to brown and is not induced to an appreciable level by other alcohols. Dimer D thus acts as a rudimentary, albeit highly selective, reaction-based methanol indicator. This work provides a promising approach for constructing reaction-based chemosensors using porphyrinoid dimers of nonplanar subunits with biased reactivity. Directly linked porphyrin dimers show intriguing electronic features but emphasis has been placed on planar monomeric units. Here, the authors report a Twisted-Planar-Twisted framework which can undergo a cis-trans transformation accompanied by a colour change in presence of methanol, making this framework applicable as a methanol sensor.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
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- art (subject category)
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