Zn(II)-Catalyzed Addition of Aromatic/Heteroaromatic C(sp2)-H to Azoalkenes: A Polarity-Reversed Arylation of Carbonyl Compounds.
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DOI: 10.1021/acs.orglett.9b01628
Abstract: An umpolung α-(hetero)arylation strategy that involves the Michael-type reaction between electron-rich (hetero)aromatic substrates and azoalkenes is developed. The reaction proceeds under very mild conditions at room temperature and in the presence of inexpensive, nontoxic ZnCl2… read more here.
Keywords: catalyzed addition; addition aromatic; sp2 azoalkenes; arylation ... See more keywords
Performance enhancement of a dye-sensitized solar cell by peripheral aromatic and heteroaromatic functionalization in di-branched organic sensitizers
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DOI: 10.1039/c7nj05188c
Abstract: Di-branched dyes based on a triphenylamino (TPA) donor core have been functionalized with different aromatic and heteroaromatic peripheral groups bonded to TPA as auxiliary donors and investigated as sensitizers in DSSC. The different aromatic and… read more here.
Keywords: enhancement dye; dye sensitized; aromatic heteroaromatic; performance enhancement ... See more keywords
Facile preparation and conversion of 4,4,4-trifluorobut-2-yn-1-ones to aromatic and heteroaromatic compounds
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DOI: 10.3762/bjoc.17.14
Abstract: The concise preparation of 4,4,4-trifluorobut-2-yn-1-ones by the oxidation of the readily accessible corresponding propargylic alcohols as well as their utilization as Michael acceptors for the construction of aromatic and heteroaromatic compounds are reported. read more here.
Keywords: heteroaromatic compounds; aromatic heteroaromatic; facile preparation; trifluorobut ones ... See more keywords