2019
DOI: 10.1021/acs.orglett.9b01454
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Synthesis and Physical Study of Perylene and Anthracene Polynitrile as Electron Acceptors

Abstract: Attaching electron-withdrawing nitrile groups to π-conjugated systems is an effective approach toward electron acceptors. By combining various cyanation methodologies, perylene and anthracene polynitriles with up to eight nitrile substituents on one aromatic scaffold were synthesized. This strategy produces stable electron acceptors with lowest unoccupied molecular orbital (LUMO) levels comparable to benchmark acceptors. A very stable octanitrile anion was also produced serendipitously. Reactivity patterns of … Show more

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Cited by 3 publications
(2 citation statements)
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“…171 Lin et al used the borylation of anthraquinone and subsequent oxidation to install the desired alkoxy substituents in their synthesis of highly electron-deficient perylene polynitriles (Scheme 98). 172 Perylenediimides (PDIs) are valuable chromophores for applications in dye chemistry and organic materials. Traditionally, elaboration of the perylenediimide core has been achieved by halogenation and subsequent downstream functionalization of the 1, 6, 7, and 12 "bay positions," which tend to twist the ring out of planarity.…”
Section: Transition-metal-catalyzed Borylation Of Aryl C−h Bonds For ...mentioning
confidence: 99%
“…171 Lin et al used the borylation of anthraquinone and subsequent oxidation to install the desired alkoxy substituents in their synthesis of highly electron-deficient perylene polynitriles (Scheme 98). 172 Perylenediimides (PDIs) are valuable chromophores for applications in dye chemistry and organic materials. Traditionally, elaboration of the perylenediimide core has been achieved by halogenation and subsequent downstream functionalization of the 1, 6, 7, and 12 "bay positions," which tend to twist the ring out of planarity.…”
Section: Transition-metal-catalyzed Borylation Of Aryl C−h Bonds For ...mentioning
confidence: 99%
“…The key synthetic reactions used in this report are the Wittig–Knoevenagel benzannulation and nucleophilic addition/oxidation cyanation (Scheme a,b). In the benzannulation reaction, the maleimide first undergoes Michael addition with trialkyl phosphine to generate a Wittig reagent which reacts with an ortho-keto aryl aldehyde.…”
mentioning
confidence: 99%