Molecule ID: 135398508

IUPAC Name: 2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one

Description: The molecule is guanine substituted at the 9 position by a 4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl group. A synthetic analogue of 2'-deoxyguanosine, it is a nucleoside reverse transcriptase inhibitor with selective antiviral activity against hepatitis B virus. Entecavir is phosphorylated intracellularly to the active triphosphate form, which competes with deoxyguanosine triphosphate, the natural substrate of hepatitis B virus reverse transcriptase, inhibiting every stage of the enzyme's activity, although it has no activity against HIV. It is used for the treatment of chronic hepatitis B. It has a role as an EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor and an antiviral drug. It is a member of 2-aminopurines, an oxopurine, a primary alcohol and a secondary alcohol.

SMILES: C=C1[C@H](CO)[C@@H](O)C[C@@H]1n1cnc2c(O)nc(=N)[nH]c21

SELFIES: [C][=C][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C][C@@H1][Ring1][Branch2][N][C][=N][C][C][Branch1][C][O][=N][C][=Branch1][C][=N][NH1][C][=Ring1][Branch2][Ring1][O]

InChI: InChI=1S/C12H15N5O3/c1-5-6(3-18)8(19)2-7(5)17-4-14-9-10(17)15-12(13)16-11(9)20/h4,6-8,18-19H,1-3H2,(H3,13,15,16,20)/t6-,7-,8-/m0/s1

Molecular Properties:
- Polar Surface Area: 126.0 Ų
- LogP: -1.3