Patent ID: 11952366
Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 0:
1. A compound of formula (I):, or a pharmaceutically acceptable salt thereof,
wherein:
A is a 6-membered aromatic ring or a 6-membered heteroaromatic ring;
wherein the 6-membered heteroaromatic ring contains 1 or 2 nitrogen heteroatoms; and
wherein the 6-membered aromatic ring or the 6-membered heteroaromatic ring is optionally substituted with one substituent selected from the group consisting of halogen, C1-6 alkyl, C1-6 haloalkyl, NH2, NHC1-6 alkyl, N(C1-6 alkyl)2, OH, and O(C1-6 alkyl);

A′ is a 6-membered aromatic ring or a 6-membered heteroaromatic ring;
wherein the 6-membered heteroaromatic ring contains 1 or 2 nitrogen heteroatoms; and
wherein the 6-membered aromatic ring or the 6-membered heteroaromatic ring is optionally substituted with one substituent selected from the group consisting of halogen, C1-6 alkyl, C1-6 haloalkyl, NH2, NHC1-6 alkyl, N(C1-6 alkyl)2, OH, and O(C1-6 alkyl);

X1 is —CH2—, —NR2—, or —O—;
X2 is —CH2—, —NR2—, or —O—;
R1 is H or C1-6 alkyl;
R2 is H, C1-6 alkyl, C(O)C1-6 alkyl, C(O)O(C1-6 alkyl), or O(C1-6 alkyl); and
Y is N;

with the provisos that:
(1) X1 and X2 are not simultaneously —NR2—;
(2) X1 and X2 are not simultaneously —NR2— and —O—; and
(3) X1 and X2 are not simultaneously —O—.