发明名称 Penetration enhancers
摘要 Pharmaceutical compositions for enhancing absorption of a topically administered formulation through dermal or mucosal membrane, for local or systemic application, comprising one or more agents of formula I: <IMAGE> where: R is a saturated or unsaturated, straight or branched, cyclic or acyclic hydrocarbon group with from 1 to 19 carbon atoms or an alkoxyalkyl group; n is 2-20; X is selected from H, OR2 or NR2R3; wherein R1, R2 and R3 are independently selected from H, alkyl, haloalkyl, acyl, carbalkoxy, carbalkoxyalkyl, hydroyalkyl, acyloxyalkyl, alkoxyalkyl, aminoalkyl- and acylaminoalkyl; i) with the proviso that when n is 2, X is OR2 and R2 is H, then R1 is not hydroxyalkyl, specifically, 2-hydroxyethyl; and ii) with the proviso that when n is 2 and X is NR2R3, then R1 and R2 may combine to form a heterocyclic ring and R3 is not acyl; and iii) with the proviso that when X is NR2R3, then R2 and R3 may combine to form a heterocyclic ring; iv) with the proviso that when R is an alkoxyalkyl group then X may be hydrogen and when X is not hydrogen, and v) with the proviso that when X is H, R is not alkyl and R1 is not H and alkyl then R1 and X may combine to form heterocyclic ring and methods of using the same are disclosed.
申请公布号 US5162315(A) 申请公布日期 1992.11.10
申请号 US19890348387 申请日期 1989.05.08
申请人 RAJADHYAKSHA, VITHAL J.;GRAHAM, RICHARD S. 发明人 RAJADHYAKSHA, VITHAL J.;GRAHAM, RICHARD S.
分类号 A61K47/18;A61K47/22;C07C233/18;C07C233/36;C07D295/13;C07D295/185 主分类号 A61K47/18
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