Cas No.: | 379270-37-8 |
Chemical Name: | Tenofovir alafenamide (free base) |
Synonyms: | GS-7340;(S)-Isopropyl 2-(((S)-((((R)-1-(6-amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)(phenoxy)phosphoryl)amino)propanoate;GS7340;Tenofovir Alafenamide;GS-7340-03;propan-2-yl (2S)-2-[[[(2R)-1-(6-aminopurin-9-yl)propan-2-yl]oxymethyl-phenoxyphosphoryl]amino]propanoate;Sp-Tenofovir-phosphonamidate,phenyl,L-alanine isopropyl ester;TAF;Tenofovir alafenamide free base;Tenofovir Alafenamide Fumarate;GS 7340;J4414G3BUK;Vemlidy;L-Alanine, N-((S)-(((1R)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy)methyl)phenoxyphosphinyl)-, 1-methylethyl ester;EL9943AG5J;Tenofovir Alafenamide [USAN:INN];AK109983;L-Alanine, N-[(S)-[[(1R)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy]methy;CID 121433863;Tenofovir Alafenamide(TAF)(GS-7340) |
SMILES: | C[C@H](N[P@@](OC1=CC=CC=C1)(CO[C@H](C)CN2C=NC3=C(N)N=CN=C23)=O)C(OC(C)C)=O |
Formula: | C21H29N6O5P |
M.Wt: | 476.47 |
Purity: | >98% |
Sotrage: | 2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO |
Description: | Tenofovir alafenamide (GS-7340) is an investigational oral prodrug of Tenofovir. Tenofovir is a HIV-1 nucleotide reverse transcriptase inhibitor. |
In Vivo: | Tenofovir alafenamide hemifumarate is an amidate prodrug of Tenofovir with good oral bioavailability and increases plasma stability compared to Tenofovir disoproxil fumarate (TDF)[1]. |
In Vitro: | Tenofovir alafenamide antiviral activities are similar across all cell types, ranging from 5 to 7 nM, while the CC50 varies from 4.7 to 42 μM for MT-4 and MT-2 cells, respectively. The antiviral activity of TAF is evaluated against a panel of HIV-1 and HIV-2 isolates, including HIV-1 group M subtypes A to G, as well as group N and O isolates. Overall, for the 29 primary HIV-1 isolates tested in PBMCs, TAF EC50s range from 0.1 to 12 nM, with a mean EC50 of 3.5 nM compared to a mean EC50 of 11.8 nM for AZT, which is used as an internal control. For the HIV-2 isolates, the mean EC50s are 1.8 nM for TAF and 6.4 nM for AZT[2]. |
References: | [1]. Babusis D, et al. Mechanism for effective lymphoid cell and tissue loading following oral administration of nucleotide prodrug GS-7340. Mol Pharm. 2013 Feb 4;10(2):459-66. [2]. Ruane PJ, et al. Antiviral activity, safety, and pharmacokinetics/pharmacodynamics of tenofovir alafenamide as 10-day monotherapy in HIV-1-positive adults. J Acquir Immune Defic Syndr. 2013 Aug 1;63(4):449-55. |