Aerobic C(sp2)–H Hydroxylations of 2-Aryloxazolines: Fast Access to Excited-State Intramolecular Proton Transfer (ESIPT)-Based Luminophores
摘要:
The direct hydroxylation of 2-aryloxazolines via a deprotonative magnesiation using TMPMgCl center dot LiCl and subsequent oxidation with molecular oxygen or air as a green oxidant is reported. This method proceeds under mild conditions at room temperature with high regioselectivity and chemoselectivity. The obtained phenols exhibit tunable luminescence properties, induced by excited-state intramolecular proton transfer. This method opens a new opportunity for the sustainable synthesis of luminescent organic molecules.
CARUEPENTER, A. J.;CHADWICK, D. J., J. CHEM. SOC. PERKIN TRANS., 1985, N 1, 173-181
作者:CARUEPENTER, A. J.、CHADWICK, D. J.
DOI:——
日期:——
Aerobic C(sp<sup>2</sup>)–H Hydroxylations of 2-Aryloxazolines: Fast Access to Excited-State Intramolecular Proton Transfer (ESIPT)-Based Luminophores
作者:Dominik Göbel、Nils Clamor、Enno Lork、Boris J. Nachtsheim
DOI:10.1021/acs.orglett.9b01350
日期:2019.7.19
The direct hydroxylation of 2-aryloxazolines via a deprotonative magnesiation using TMPMgCl center dot LiCl and subsequent oxidation with molecular oxygen or air as a green oxidant is reported. This method proceeds under mild conditions at room temperature with high regioselectivity and chemoselectivity. The obtained phenols exhibit tunable luminescence properties, induced by excited-state intramolecular proton transfer. This method opens a new opportunity for the sustainable synthesis of luminescent organic molecules.
Carpenter, Andrew J.; Chadwick, Derek J., Journal of the Chemical Society. Perkin transactions I, 1985, p. 173 - 182