Extended Hydrogen Bond Network Enabled Superbases

New superbases, those organic compounds whose basicities are greater than that of proton sponge, are suggested that involve extended hydrogen-bonding networks. Addition of aminoethyl and related groups to the 1,8-diaminonaphthalene framework provide second- and third-layer hydrogen bonding in the co...

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Veröffentlicht in:Organic letters 2012-11, Vol.14 (21), p.5598-5601
1. Verfasser: Bachrach, Steven M
Format: Artikel
Sprache:eng
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Zusammenfassung:New superbases, those organic compounds whose basicities are greater than that of proton sponge, are suggested that involve extended hydrogen-bonding networks. Addition of aminoethyl and related groups to the 1,8-diaminonaphthalene framework provide second- and third-layer hydrogen bonding in the conjugate base. DFT computations predict these compounds to be 10–15 kcal mol–1 more basic than the proton sponge.
ISSN:1523-7060
1523-7052
DOI:10.1021/ol302722s