New inclusion complexes of benzocaine in gamma-cyclodextrin, useful as non-volatile local anesthetics, e.g. for alleviating surface pain

摘要

Inclusion complexes (I) of benzocaine (BCN) in psi -cyclodextrin ( psi -CD) (preferably at a psi -CD:BCN stoichiometry of 1:2) are new. An Independent claim is included for the preparation of (I).