Patent ID: 11884624
Assignee: CAYMAN CHEMICAL COMPANY, INC.
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 0:
1. A compound of formula (13):, wherein:
L1 is
a) C3-C7alkylene, C3-C7alkenylene, or C3-C7alkynylene; or
b) —(CH2)n1-G2- (CH2)p—, —(CH2)n2—C≡C-G2-, or —(CH2)n2—C(R12)═C(R12)-G2-, wherein n1 is 2, 3, 4, or 5, n2 is 1, 2, or 3, p is 0, 1, 2, or 3, and n1+p=2, 3, 4, 5, or 6;
G2 is, , R1 is a protected carboxylic acid;
R12, at each occurrence, is independently H or C1-C4alkyl; and
R20 is H or a hydroxyl protecting group.