Cationic sulfonamide amino lipids and amphiphilic zwitterionic amino lipids

Abstract

What is claimed is: 1. A compound of the formula: wherein: X 1 is —S(O) 2 O − or —OP(O)OR e O − , wherein: R e is hydrogen, alkyl (C≤6) , or substituted alkyl (C≤6) ; Y 1 is alkanediyl (C≤12) , alkenediyl (C≤12) , or a substituted version of either of these groups; Z 1 is —N + R 3 R 4 − ; A is —NR a —, —S—, or —O—; wherein: