L-371,257

Description: L-371,257 is a competitive antagonist of oxytocin receptor with pA2 of 8.4 and Ki of 19 nM. L-371,257 shows a Ki of 3.7 nM for vasopressin receptor 1a. Target: Oxytocin Receptor, Vasopressin Receptor. Smiles: COc1cc(OC2CCN(CC2)C(C)=O)ccc1C(=O)N1CCC(CC1)N1C(=O)OCc2ccccc12. References: Williams PD, et al. 1-(1-[4-[(N-acetyl-4-piperidinyl)oxy]-2-methoxybenzoyl]piperidin-4- yl)-4H-3,1-benzoxazin-2(1H)-one (L-371,257): a new, orally bioavailable, non-peptide oxytocin antagonist. J Med Chem. 1995 Nov 10,38(23):4634-6.