A1PQS

5,5-dimethyl-1-{[(6P)-6-(thiophen-2-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]amino}pyrrolidin-2-one

Created:	2026-09-04
Last modified:	2026-11-04

Find Related PDB Entry
1 entries where A1PQS is found as a standalone ligand

Find related ligands: Help
Similar Ligands (Stereospecific) Similar Ligands (including Stereoisomers) Similar Ligands (Quick Screen) Similar Ligands (Substructure Stereospecific) Similar Ligands (Substructure including Stereoisomers)

Chemical Details
Formal Charge	0
Atom Count	40
Chiral Atom Count	0
Bond Count	43
Aromatic Bond Count	15

2D diagram of A1PQS

Toggle Hydrogen Toggle Labels

Chemical Component Summary
Name	5,5-dimethyl-1-{[(6P)-6-(thiophen-2-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]amino}pyrrolidin-2-one
Systematic Name (OpenEye OEToolkits)	5,5-dimethyl-1-[(6-thiophen-2-yl-7~{H}-pyrrolo[2,3-d]pyrimidin-4-yl)amino]pyrrolidin-2-one
Formula	C₁₆ H₁₇ N₅ O S
Molecular Weight	327.404
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	O=C1CCC(C)(C)N1Nc1ncnc2[NH]c(cc21)c1cccs1
SMILES	CACTVS	3.385	CC1(C)CCC(=O)N1Nc2ncnc3[nH]c(cc23)c4sccc4
SMILES	OpenEye OEToolkits	3.1.0.0	CC1(CCC(=O)N1Nc2c3cc([nH]c3ncn2)c4cccs4)C
Canonical SMILES	CACTVS	3.385	CC1(C)CCC(=O)N1Nc2ncnc3[nH]c(cc23)c4sccc4
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	CC1(CCC(=O)N1Nc2c3cc([nH]c3ncn2)c4cccs4)C
InChI	InChI	1.06	InChI=1S/C16H17N5OS/c1-16(2)6-5-13(22)21(16)20-15-10-8-11(12-4-3-7-23-12)19-14(10)17-9-18-15/h3-4,7-9H,5-6H2,1-2H3,(H2,17,18,19,20)
InChIKey	InChI	1.06	LUMHITFRBHEOBF-UHFFFAOYSA-N