Biomedical applications of azobenzene-based lipidoids

A compound of formula (I) or formula (II):

• wherein,
• A and B are each independently selected from the group consisting of aryl and heteroaryl;
• X is independently selected from the group consisting of *—(C═O)NH—, *—NH(C═O)—, —O(C═O)—, and *—(C═O)O—;
• Y is independently selected from the group consisting of *—O(C═O)—, *—(C═O)O—, —N(R3)—, and —N+(R3)2—;
• L is absent or —NR4—;
• R1 is C6-20 alkyl;
• R2 is independently selected from the group consisting of —OR5, —O(C═O)R5, —(C═O)OR5, —N(R3)2 and —N+(R3)3;
• each R3 is independently selected from the group consisting of H and C1-6 alkyl;
• R4 is independently selected from the group consisting of C1-6 alkyl and C1-6 alkylamino;
• R5 is independently selected from the group consisting of C1-6 alkyl and C1-6 alkenyl;
• n is independently 0-6;
• each m is independently 1-6;
• * indicates the point of attachment to B;
• and
• ** indicates the point of attachment to (CH2)m.