Some Products from C=O Condensations of Quinacridones

Chesman, Anthony S. R.; Liepa, Andris J.

doi:10.1071/ch20109

Aust. J. Chem.

2021

DOI: 10.1071/ch20109

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Some Products from C=O Condensations of Quinacridones

Anthony S. R. Chesman

Andris J. Liepa

Abstract: Quinacridone chemistry has been developed which provides a source of new compounds that have potential application in organic photovoltaic (OPV) devices. Phosphoryl chloride is used for the conversion of carbonyl groups in N,N 0-dialkylquinacridones, generating reactive intermediates that enable selective condensation with either one or two nucleophilic molecules under mild conditions.

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2024

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Quinacridones as a Building Block for Sustainable Gliding Layers on Ice and Snow

Bützer,

Piffaretti

et al. 2024

Materials

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Quinacridone (QA) and 2,9-dimethylquinacridone (DQA) are synthetic substances suitable as a hard, abrasion-resistant, self-organizing gliding layer on ice and snow. For sustainable use, a large number of parameters must be considered to demonstrate that these non-biogenic substances and their by-products and degradation products are harmless to humans and the environment in the quantities released. For this task, available experimental data are used and supplemented for all tautomers by numerous relevant physical, chemical, toxicological and ecotoxicological estimated values based on various Quantitative Structure Activity Relationship (QSAR) methods. On the one hand, the low solubility of QA and DQA leads to stable gliding layers and thus, low abrasion and uptake by plants, animals and humans. On the other hand, the four hydrogen bond forming functional groups per molecule allow nanoparticle decomposition and enzymatic degradation in natural environments. All available data justify a sustainable use of QA and DQA as a gliding layer. The assessment of the toxicological properties is complemented by an investigation of the size and morphology of DQA particles, as well as field tests indicating excellent performance as a gliding layer on snow.

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Quinacridones as a Building Block for Sustainable Gliding Layers on Ice and Snow

Bützer,

Piffaretti

et al. 2024

Materials

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Some Products from C=O Condensations of Quinacridones

Cited by 1 publication

References 25 publications

Quinacridones as a Building Block for Sustainable Gliding Layers on Ice and Snow

Quinacridones as a Building Block for Sustainable Gliding Layers on Ice and Snow

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