For research use only. Not for therapeutic Use.
L-372662 is a potent and orally active non-peptide oxytocin antagonist with a Ki value of 4.8. The Kd value of L-372662 for wild-type hOTR and [A318G]OTR is 5.8 nM and 73 nM. L-372662 shows selectivity to OTR:V1aR[1][2].
L-372662 is an antagonist of oxytocin-induced uterine contractions in late gestation pregnant rhesus monkeys (AD50 = 36 micrograms/kg), oral bioavailability (F = 90% in dogs), and aqueous solubility (10 mg/mL).
| Catalog Number | I007555 |
| CAS Number | 162045-26-3 |
| Synonyms | 1-[1-[2-methoxy-4-[1-[(2-methyl-1-oxidopyridin-1-ium-3-yl)methyl]piperidin-4-yl]oxybenzoyl]piperidin-4-yl]-4H-3,1-benzoxazin-2-one |
| Molecular Formula | C33H38N4O6 |
| Purity | ≥95% |
| InChI | InChI=1S/C33H38N4O6/c1-23-24(7-5-15-36(23)40)21-34-16-13-27(14-17-34)43-28-9-10-29(31(20-28)41-2)32(38)35-18-11-26(12-19-35)37-30-8-4-3-6-25(30)22-42-33(37)39/h3-10,15,20,26-27H,11-14,16-19,21-22H2,1-2H3 |
| InChIKey | SKWSXDUHUVMPBT-UHFFFAOYSA-N |
| SMILES | CC1=C(C=CC=[N+]1[O-])CN2CCC(CC2)OC3=CC(=C(C=C3)C(=O)N4CCC(CC4)N5C6=CC=CC=C6COC5=O)OC |
| Reference | [1]. Bell, I. M., Erb, J. M., Freidinger, R. M., Gallicchio, S. N., Guare, J. P., Guidotti, M. T., … Woyden, C. J. (1998). Development of Orally Active Oxytocin Antagonists: Studies on 1-(1-{4-[1-(2-Methyl-1-oxidopyridin-3-ylmethyl)piperidin-4-yloxy]-2- metho [2]. Hawtin SR, et al. A Gly/Ala switch contributes to high affinity binding of benzoxazinone-based non-peptide oxytocin receptor antagonists. FEBS Lett. 2005;579(2):349-356. [3]. Williams PD, et al. Progress in the development of oxytocin antagonists for use in preterm labor. Adv Exp Med Biol. 1998;449:473-479. |
