Capravirine

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Capravirine

IUPAC name [5-(3,5-Dichlorophenyl)sulfanyl-4-propan-2-yl-1-(pyridin-4-ylmethyl)imidazol-2-yl]methyl carbamate
Identifiers
CAS number	178979-85-6^Y
PubChem	1783
ChemSpider	1717^N
ChEMBL	CHEMBL435128^N
Jmol-3D images	Image 1
SMILES O=C(OCc2nc(c(Sc1cc(Cl)cc(Cl)c1)n2Cc3ccncc3)C(C)C)N
InChI InChI=1S/C20H20Cl2N4O2S/c1-12(2)18-19(29-16-8-14(21)7-15(22)9-16)26(10-13-3-5-24-6-4-13)17(25-18)11-28-20(23)27/h3-9,12H,10-11H2,1-2H3,(H2,23,27)^N Key: YQXCVAGCMNFUMQ-UHFFFAOYSA-N^N InChI=1/C20H20Cl2N4O2S/c1-12(2)18-19(29-16-8-14(21)7-15(22)9-16)26(10-13-3-5-24-6-4-13)17(25-18)11-28-20(23)27/h3-9,12H,10-11H2,1-2H3,(H2,23,27) Key: YQXCVAGCMNFUMQ-UHFFFAOYAP
Properties
Molecular formula	C₂₀H₂₀Cl₂N₄O₂S
Molar mass	451.37 g/mol
N (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Capravirine was a non-nucleoside reverse transcriptase inhibitor which reached phase II trials before development was discontinued by Pfizer. Both phase IIb trials which were conducted failed to demonstrate that therapy with capravirine provided any significant advantage over existing triple-drug HIV therapies, and pharmacology studies showed that capravirine may interact with other HIV drugs.

Antiviral drugs: antiretroviral drugs used against HIV (primarily J05)

Entry/fusion inhibitors
(Discovery & development)

gp41 (Enfuvirtide)
CCR5 (Maraviroc
Vicriviroc^†, Cenicriviroc^†, PRO 140^†)
CD4 (Ibalizumab^†)

Reverse-transcriptase
inhibitors (RTIs)

Nucleoside & nucleotide (NRTI)	Nucleoside analogues/NARTIs: Abacavir (ABC)°^# Emtricitabine (FTC)°^# Lamivudine (3TC)°^# Didanosine (ddI)^# Zidovudine (AZT)^# Apricitabine^† Stampidine^† Elvucitabine^† Racivir^† Amdoxovir^† Stavudine (d4T)^# Zalcitabine (ddC)^◊ Festinavir^† Nucleotide analogues/NtRTIs: Tenofovir disoproxil fumarate (TDF)°^# Tenofovir alafenamide fumarate (TAF)^†

Non-nucleoside (NNRTI) (Discovery & development)	(1st generation) Efavirenz (EFV)°^# Nevirapine (NVP)^# Loviride^◊ Delavirdine (DLV)^◊ (2nd generation) diarylpyrimidines (Etravirine Rilpivirine) Lersivirine^†

Integrase inhibitors

Maturation inhibitors

Bevirimat^†

Protease Inhibitors (PI)
(Discovery and development)

1st generation	Fosamprenavir° Lopinavir°^# Nelfinavir^# Ritonavir^# Saquinavir^# Amprenavir^◊ Indinavir^◊^#

2nd generation	Atazanavir° Darunavir° Tipranavir

Combined formulations

Experimental agents

Uncoating inhibitors	TRIM5alpha (gene)

Transcription inhibitors	Tat antagonists

Translation inhibitors	Trichosanthin

Other	Abzyme Calanolide A Ceragenin Cyanovirin-N Diarylpyrimidines Epigallocatechin gallate (EGCG) Foscarnet Griffithsin Hydroxycarbamide Miltefosine Portmanteau inhibitors Seliciclib^† Synergistic enhancers Tre recombinase Zinc finger protein transcription factor KP-1461^† Cobicistat^†

Failed agents	Dexelvucitabine Capravirine Emivirine Lodenosine Atevirdine Brecanavir Aplaviroc

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

°DHHS preferred first-line agent. ^◊Formerly or rarely used agent.

M: VIR

virs(prot)/clss

cutn/syst (hppv/hiva, infl/zost/zoon)/epon

drug (dnaa, rnaa, rtva, vacc)

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