A-349,821

A-349,821

Identifiers
IUPAC name [4-[4-[3-[(2R,5R)-2,5-dimethylpyrrolidin-1-yl]propoxy]phenyl]phenyl]-morpholin-4-ylmethanone
CAS Number	372513-99-0 N
PubChem CID	9954017
IUPHAR/BPS	1217
ChemSpider	8129627 Y
UNII	67WL275ISI
ChEMBL	CHEMBL179702 Y
Chemical and physical data
Formula	C26H34N2O3
Molar mass	422.558
3D model (Jmol)	Interactive image
SMILES C[C@@H]1CC[C@H](N1CCCOC2=CC=C(C=C2)C3=CC=C(C=C3)C(=O)N4CCOCC4)C
InChI InChI=1S/C26H34N2O3/c1-20-4-5-21(2)28(20)14-3-17-31-25-12-10-23(11-13-25)22-6-8-24(9-7-22)26(29)27-15-18-30-19-16-27/h6-13,20-21H,3-5,14-19H2,1-2H3/t20-,21-/m1/s1 Y Key:CFUHKRLMDNFZED-NHCUHLMSSA-N Y
NY (what is this?)

A-349,821 is a potent and selective histamine H₃ receptor antagonist (or possibly an inverse agonist). It has nootropic effects in animal studies, although there do not appear to be any plans for clinical development at present and it is currently only used in laboratory research.