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Nov 13, 2015

Benzazaborinines as novel bioisosteric replacements of naphthalene: propranolol as an example


Two benzazaborinine analogues of propranolol were synthesized and extensively profiled in vitro and in vivo. These analogues showed potency and physicochemical and in vitro ADME–tox profiles comparable to propranolol. In addition, both benzazaborinine analogues showed excellent bioavailability and brain penetration following subcutaneous administration in a pharmacokinetic study in rats. These studies unveil the potential of aromatic azaborinines as bioisosteric replacements of naphthalene in drug discovery programs.

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