Atevirdine

Atevirdine
Names

Preferred IUPAC name {4-[3-(Ethylamino)pyridin-2-yl]piperazin-1-yl}(5-methoxy-1H-indol-2-yl)methanone
Identifiers
CAS Number	136816-75-6^N
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL280527^Y
ChemSpider	54835^Y
PubChem CID	60848
UNII	N24015WC6D^Y
CompTox Dashboard (EPA)	DTXSID40159940
InChI InChI=1S/C21H25N5O2/c1-3-22-18-5-4-8-23-20(18)25-9-11-26(12-10-25)21(27)19-14-15-13-16(28-2)6-7-17(15)24-19/h4-8,13-14,22,24H,3,9-12H2,1-2H3^Y Key: UCPOMLWZWRTIAA-UHFFFAOYSA-N^Y InChI=1/C21H25N5O2/c1-3-22-18-5-4-8-23-20(18)25-9-11-26(12-10-25)21(27)19-14-15-13-16(28-2)6-7-17(15)24-19/h4-8,13-14,22,24H,3,9-12H2,1-2H3 Key: UCPOMLWZWRTIAA-UHFFFAOYAK
SMILES O=C(N2CCN(c1ncccc1NCC)CC2)c4cc3cc(OC)ccc3[nH]4
Properties
Chemical formula	C₂₁H₂₅N₅O₂
Molar mass	379.46 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references

Chemical compound

Atevirdine is a non-nucleoside reverse transcriptase inhibitor that has been studied for the treatment of HIV.^[1]

Synthesis

Preparation of the pyridylpiperazine moiety starts by aromatic displacement of chlorine from 2-chloro-3-nitropyridine by piperazine to give 3. The secondary amine is then protected as its BOC derivative by reaction with di-tert-butyl dicarbonate (Boc anhydride) to give 4. The nitro group is then reduced by catalytic hydrogenation. Reductive alkylation with acetaldehyde in the presence of lithium cyanoborohydride gives the corresponding N-ethyl derivative. The protecting group is then removed by reaction with TFA. Reaction of the resulting amine with the imidazolide derivative of 5-methoxy-3-indoleacetic acid produces the amide reverse transcriptase inhibitor, atevirdine.

References

^ Morse GD, Reichman RC, Fischl MA, et al. (January 2000). "Concentration-targeted phase I trials of atevirdine mesylate in patients with HIV infection: dosage requirements and pharmacokinetic studies. The ACTG 187 and 199 study teams". Antiviral Res. 45 (1): 47–58. doi:10.1016/S0166-3542(99)00073-X. PMID 10774589.
^ D. L. Romero, Drugs Future 19, 9 (1995).
^ WO 9109849, Romero, Donna Lee; Mitchell, Mark Allen & Thomas, Richard Charles et al., "Diaromatic substituted anti-AIDS compounds", published 1991-07-11, assigned to Upjohn
^ Romero, D. L.; Morge, R. A.; Biles, C.; Berrios-Pena, N.; May, P. D.; Palmer, J. R.; Johnson, P. D.; Smith, H. W.; Busso, M.; et al. (1994). "Discovery, Synthesis, and Bioactivity of Bis(heteroaryl)piperazines. 1. A Novel Class of Non-Nucleoside HIV-1 Reverse Transcriptase Inhibitors". Journal of Medicinal Chemistry. 37 (7): 999–1014. doi:10.1021/jm00033a018. PMID 7512142.

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

Capsid inhibitors

Lenacapavir (LEN)

Entry/fusion inhibitors
(Discovery and development)

gp41 (Enfuvirtide (ENF, T-20))^◊
CCR5 (Maraviroc (MVC)
Vicriviroc^†, Cenicriviroc^†, Leronlimab^†)
CD4 (Ibalizumab (IBA), Semzuvolimab^§)
gp120 (Fostemsavir (FTR))

Integrase inhibitors
(Integrase strand transfer inhibitors (INSTI))

Maturation inhibitors

Protease Inhibitors (PI)
(Discovery and development)

1^st generation	Amprenavir (APV)^‡ Fosamprenavir (FPV) Indinavir (IDV)^◊ Lopinavir (LPV) Nelfinavir (NFV)^◊ Ritonavir (RTV)^# Saquinavir (SQV)^◊
2^nd generation	Atazanavir (ATV)°^# Darunavir (DRV)°^# Tipranavir (TPV)^◊ TMC-310911^§

Reverse-transcriptase
inhibitors (RTIs)

Nucleoside and
nucleotide (NRTI)

Nucleoside analogues/NRTIs: Abacavir (ABC)^#
Didanosine (ddI)^◊
Emtricitabine (FTC)
Lamivudine (3TC)^#
Stavudine (d4T)^◊
Zalcitabine (ddC)^‡
Zidovudine (AZT, ZDV)^#
Amdoxovir^†
Apricitabine^†
Censavudine^†
Elvucitabine^†
Islatravir (EFdA, ISL)^§
Racivir^†
Stampidine^†

Non-nucleoside (NNRTI)
(Discovery and development)

1^st generation	Efavirenz (EFV)^# Nevirapine (NVP)^# Delavirdine (DLV)^‡
2^nd generation	diarylpyrimidines Dapivirine (DPV) Etravirine (ETR) Rilpivirine (RPV) Doravirine (DOR) Elsulfavirine (ESV)

Combined formulations

Pharmacokinetic boosters

Experimental agents

Uncoating inhibitors	TRIM5alpha (gene)
Transcription inhibitors	Tat antagonists
Translation inhibitors	Trichosanthin
BNAbs	Elipovimab
Other	Abzyme BIT225^† Calanolide A Ceragenin Cyanovirin-N Diarylpyrimidines Epigallocatechin gallate (EGCG) Foscarnet Fosdevirine^† Griffithsin Hydroxycarbamide KP-1461^† Miltefosine Portmanteau inhibitors Scytovirin Seliciclib^† Synergistic enhancers Tre recombinase Zinc finger protein transcription factor
Failed agents	Aplaviroc Atevirdine Brecanavir Capravirine Dexelvucitabine Droxinavir Lasinavir Emivirine Lersivirine Lodenosine Loviride Mozenavir Palinavir Telinavir

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

°DHHS recommended initial regimen options. ^◊Formerly or rarely used agent.

v t e Piperazines
Simple piperazines (no additional rings)	Aminoethylpiperazine Diethylcarbamazine HEPPS Midafotel Piperazine PIPES
Phenylpiperazines	2C-B-PP 3,4-CFP Acaprazine Antrafenine Aripiprazole Batoprazine Bifeprunox BRL-15,572 Ciprofloxacin CSP-2503 Dapiprazole DCPP DMPP Diphenylpiperazine Dropropizine EGIS-12,233 Elopiprazole Eltoprazine Enpiprazole Ensaculin Etoperidone Flesinoxan Fluanisone Flibanserin Fluprazine Itraconazole Ketoconazole Levodropropizine Lorpiprazole mCPP Mefway MeOPP Mepiprazole Naftopidil Naluzotan Naphthylpiperazine Nefazodone Niaprazine Oxypertine Pardoprunox pCPP pFPP Posaconazole S-14,506 S-14,671 S-15,535 SB-258,585 SB-271,046 SB-357,134 SB-399,885 Sonepiprazole TFMPP Tolpiprazole Trazodone Urapidil Vesnarinone Vilazodone Vortioxetine WAY-100,135 WAY-100,635
Benzylpiperazines	2C-B-BZP 3-Methylbenzylpiperazine Befuraline Bifeprunox Buclizine BZP Chlorbenzoxamine DBZP Fipexide Imatinib MBZP MDBZP Meclozine Methoxypiperamide NSI-189 Piberaline Piribedil RN-1747 Sunifiram Trimetazidine Vesnarinone
Diphenylalkylpiperazines (benzhydrylalkylpiperazines)	AD-1211 Almitrine Amperozide BRL-15,572 Buclizine BW373U86 Cetirizine Chlorbenzoxamine Chlorcyclizine Cinnarizine Clocinizine Cyclizine DBL-583 Diphenpipenol Diphenylmethylpiperazine Dotarizine DPI-221 DPI-287 DPI-3290 GBR-12,783 GBR-12,935 GBR-13,069 GBR-13,098 GBR-13,119 Hydroxyzine Lidoflazine Manidipine Meclozine MT-45 Oxatomide SNC-80 Vanoxerine
Pyrimidinylpiperazines	Buspirone Dasatinib Eptapirone Gepirone Ipsapirone Piribedil Prazitone Pyrimidinylpiperazine Revospirone Tandospirone Tirilazad Trimazosin Umespirone Zalospirone
Pyridinylpiperazines	Atevirdine Azaperone Delavirdine Mirtazapine ORG-12962 Pyridinylpiperazine
Benzo(iso)thiazolyl piperazines	Lurasidone Perospirone Revospirone Tiospirone Ziprasidone
Tricyclics (piperazine attached via side chain)	Amoxapine Clopenthixol Clorotepine Clozapine Cyanothepin Doclothepin Docloxythepin Flupentixol Fluphenazine Isofloxythepin Loxapine Meperathiepin Metitepine Octomethothepin Olanzapine Opipramol Oxyclothepin Oxyprothepin Peradithiepin Perathiepin Perazine Perphenazine Pirenzepine Prochlorperazine Thiethylperazine Thiothixene Trifluoperazine Trifluthepin Zuclopenthixol
Others/Uncategorized	6-Nitroquipazine AP-238 Azimilide Bucinnazine Cinepazet Cinepazic acid Cinepazide CPD-1 Cyclohexylpiperazine EGIS-7625 Hexocyclium Indinavir JNJ-7777120 Lodenafil MK-212 Mirodenafil PB-28 Quipazine Ranolazine SA-4503 Sildenafil Tadalafil Vardenafil VUF-6002 WY-46824 Zipeprol