Chemistry:Nortilidine

Nortilidine
Identifiers
	IUPAC name ethyl (1R,2S)-2-(methylamino)-1-phenylcyclohex-3-ene-1-carboxylate;
CAS Number	38677-94-0;
PubChem CID	162321;
ChemSpider	142535;
UNII	7145G6817J;
ChEBI	CHEBI:77839 ;
ChEMBL	ChEMBL1614654;
Chemical and physical data
Formula	C16H21NO2
Molar mass	259.349 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CCOC(=O)[C@]1(CCC=C[C@@H]1NC)C2=CC=CC=C2;
	InChI InChI=1S/C16H21NO2/c1-3-19-15(18)16(13-9-5-4-6-10-13)12-8-7-11-14(16)17-2/h4-7,9-11,14,17H,3,8,12H2,1-2H3/t14-,16+/m0/s1; Key:PDJZPNKVLDWEKI-GOEBONIOSA-N;

Short description: Chemical compound

Nortilidine^[1] is the major active metabolite of tilidine. It is formed from tilidine by demethylation in the liver. The racemate has opioid analgesic effects roughly equivalent in potency to that of morphine.^[2] The (1R,2S) isomer has NMDA antagonist activity. The drug also acts as a dopamine reuptake inhibitor.^[3] The reversed-ester of nortilidine is also known, as is the corresponding analogue with the cyclohexene ring replaced by cyclopentane,^[4] which have almost identical properties to nortilidine.^[5]

Use

Nortilidine has been sold as a designer drug, first being identified in Poland in May 2020.^[6]^[7]

References

↑ "Process for Substituted Cyclohexenes its Products" US patent 3792080
↑ "Sequential first-pass metabolism of nortilidine: the active metabolite of the synthetic opioid drug tilidine". Journal of Clinical Pharmacology 42 (11): 1257–61. November 2002. doi:10.1177/009127002762491352. PMID 12412825.
↑ "Novel psychoactive substances of interest for psychiatry". World Psychiatry 14 (1): 15–26. February 2015. doi:10.1002/wps.20174. PMID 25655145.
↑ "Cycloaromatic compounds, analgesic Properties thereof and Method of use thereof as analgesic" US patent 4291059
↑ Personal Communication with Derek P. Reynolds
↑ "EU Early Warning System Situation Report. Situation report 2". European Monitoring Centre for Drugs and Drug Addiction (EMCDDA). 10 August 2020.
↑ "Identifying New/Emerging Psychoactive Substances at the Time of COVID-19; A Web-Based Approach". Frontiers in Psychiatry 11: 632405. 2020. doi:10.3389/fpsyt.2020.632405. PMID 33633599.

External links

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[1] "Process for Substituted Cyclohexenes its Products" US patent 3792080

[pmid12412825-2] "Sequential first-pass metabolism of nortilidine: the active metabolite of the synthetic opioid drug tilidine". Journal of Clinical Pharmacology 42 (11): 1257–61. November 2002. doi:10.1177/009127002762491352. PMID 12412825.

[SchifanoOrsolini2015-3] "Novel psychoactive substances of interest for psychiatry". World Psychiatry 14 (1): 15–26. February 2015. doi:10.1002/wps.20174. PMID 25655145.

[4] "Cycloaromatic compounds, analgesic Properties thereof and Method of use thereof as analgesic" US patent 4291059

[5] Personal Communication with Derek P. Reynolds

[6] "EU Early Warning System Situation Report. Situation report 2". European Monitoring Centre for Drugs and Drug Addiction (EMCDDA). 10 August 2020.

[pmid33633599-7] "Identifying New/Emerging Psychoactive Substances at the Time of COVID-19; A Web-Based Approach". Frontiers in Psychiatry 11: 632405. 2020. doi:10.3389/fpsyt.2020.632405. PMID 33633599.

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v t e Opioid receptor modulators
MOR	Agonists (abridged; see here for a full list): 3-HO-PCP 7-Acetoxymitragynine 7-Hydroxymitragynine ψ-Akuammigine α-Chlornaltrexamine α-Narcotine Acetyldihydrocodeine Acetylfentanyl Acrylfentanyl Adrenorphin (metorphamide) AH-7921 Akuammicine Akuammidine Alfentanil Anileridine Apparicine β-Endorphin BAM-12P BAM-18P BAM-22P Benzhydrocodone Benzylmorphine Bezitramide Biphalin BU08070 Buprenorphine Butorphan Butorphanol Butyrfentanyl BW373U86 Carfentanil Casokefamide Cebranopadol Chloroxymorphamine Codeine DADLE DAMGO (DAGO) Dermorphin Desmetramadol (desmethyltramadol) Desomorphine Dextromoramide Dextropropoxyphene (propoxyphene) Dezocine Dimenoxadol Dimethylaminopivalophenone Eluxadoline Diamorphine (heroin) Dihydrocodeine Dihydroetorphine Dihydromorphine Dinalbuphine sebacate Diphenoxylate Dipipanone Dynorphin A Embutramide Endomorphin-1 Endomorphin-2 Eseroline Ethylmorphine Etorphine Fentanyl Fluorophen Frakefamide Furanylfentanyl Hemorphin-4 Herkinorin Hodgkinsine Hydrocodone Hydromorphinol Hydromorphone IBNtxA Ketamine Ketobemidone Kratom Laudanosine Lefetamine Leu-enkephalin Levacetylmethadol Levomethorphan Levorphanol Lexanopadol Loperamide Loxicodegol Matrine Meptazinol Met-enkephalin (metenkefalin) Methadone Metkefamide Metopon Mitragynine Mitragynine pseudoindoxyl Morphiceptin Morphine Nalbuphine NalBzOH Nalmexone Naltalimide Neopine NFEPP Nicocodeine Nicodicodine Nicomorphine NKTR-181 Norketamine Octreotide Oliceridine OM-3-MNZ Oripavine Oxycodone Oxymorphazone Oxymorphonazine Oxymorphone Oxymorphone phenylhydrazone OxyPNPH Papaver somniferum (opium) Pentazocine Pericine Pethidine (meperidine) Phenazocine Phencyclidine Piminodine Piritramide PL-017 Prodine Propiram PZM21 Racemethorphan Racemorphan Remifentanil Salsolinol SC-17599 Sinomenine Sufentanil Tapentadol Tetrahydropapaveroline TH-030418 Thebaine Thienorphine Tianeptine Tilidine Tramadol Trimebutine TRIMU 5 TRV734 Tubotaiwine U-47700 Valorphin Viminol Xorphanol PAMs: BMS-986121 BMS-986122 Antagonists: (3S,4S)-Picenadol 2-(S)-N,N-(R)-Viminol 3CS-nalmefene 4-Caffeoyl-1,5-quinide 4′-Hydroxyflavanone 4',7-Dihydroxyflavone 6β-Naltrexol 6β-Naltrexol-d4 18-MC α-Gliadin β-Chlornaltrexamine β-Funaltrexamine Akuammine Alvimopan AM-251 Apigenin AT-076 Axelopran Bevenopran Catechin Catechin gallate Clocinnamox CTAP CTOP Cyclofoxy Cyprodime Diacetylnalorphine Diprenorphine ECG EGC Epicatechin Eptazocine Gemazocine Ginsenoside R Hyperoside Ibogaine Levallorphan Lobeline LY-255582 LY-2196044 Methocinnamox Methylnaltrexone Methylsamidorphan chloride Naldemedine Nalmefene Nalodeine (N-allylnorcodeine) Nalorphine Nalorphine dinicotinate Naloxazone Naloxegol Naloxol Naloxonazine Naloxone Naltrexazone Naltrexonazine Naltrexone Naltrindole Naringenin Noribogaine Oxilorphan Pawhuskin A Rimonabant Quadazocine Samidorphan Taxifolin Unknown/unsorted: Cannabidiol Coronaridine Cyproterone acetate Dihydroakuuamine Tabernanthine Tetrahydrocannabinol
DOR	Agonists: 3CS-nalmefene 6'-GNTI 7-SIOM ADL-5747 (PF-04856881) ADL-5859 Alazocine (SKF-10047) Amoxapine AR-M100390 (ARM390) AZD2327 β-Endorphin BAM-18P Biphalin BU-48 Butorphan Butorphanol BW373U86 Casokefamide Cebranopadol Codeine Cyclazocine DADLE Deltorphin A Deltorphin I Deltorphin II Desmethylclozapine Desmetramadol (desmethyltramadol) Dezocine Diamorphine (heroin) Dihydroetorphine Dihydromorphine DPDPE DPI-221 DPI-3290 DSLET Ethylketazocine Etorphine Fentanyl FIT Fluorophen Hemorphin-4 Hydrocodone Hydromorphone Ibogaine Isomethadone JNJ-20788560 KNT-127 Kratom Laudanosine Leu-enkephalin Levomethorphan Levorphanol Lexanopadol Lofentanil Met-enkephalin (metenkefalin) Metazocine Metkefamide Mitragynine Mitragynine pseudoindoxyl Morphine N-Phenethyl-14-ethoxymetopon Norbuprenorphine NalBzOH Oripavine Oxycodone Oxymorphone Pethidine (meperidine) Proglumide Racemethorphan Racemorphan RWJ-394674 Samidorphan SB-235863 SNC-80 SNC-162 TAN-67 (SB-205,607) TH-030418 Thebaine Thiobromadol (C-8813) Tonazocine Tramadol TRV250 Xorphanol Zenazocine Antagonists: 4',7-Dihydroxyflavone 5'-NTII 6β-Naltrexol 6β-Naltrexol-d4 α-Santolol β-Chlornaltrexamine Apigenin AT-076 Axelopran Bevenopran BNTX Catechin Catechin gallate Clocinnamox Diacetylnalorphine Diprenorphine ECG EGC Eluxadoline Epicatechin ICI-154129 ICI-174864 LY-255582 LY-2196044 Methylnaltrexone Methylnaltrindole N-Benzylnaltrindole Nalmefene Nalorphine Naltrexone Naltriben Naltrindole Naloxone Naringenin Noribogaine Pawhuskin A Quadazocine SDM25N SoRI-9409 Taxifolin Thienorphine Unknown/unsorted: 18-MC Cannabidiol Coronaridine Cyproterone acetate Tabernanthine Tetrahydrocannabinol
KOR	Agonists: 3CS-nalmefene 6'-GNTI 8-CAC 18-MC 14-Methoxymetopon β-Chlornaltrexamine β-Funaltrexamine Adrenorphin (metorphamide) Akuuamicine Alazocine (SKF-10047) Allomatrine Apadoline Asimadoline BAM-12P BAM-18P BAM-22P Big dynorphin Bremazocine BRL-52537 Butorphan Butorphanol BW373U86 Cebranopadol Ciprefadol CR665 Cyclazocine Cyclorphan Cyprenorphine Desmetramadol (desmethyltramadol) Diamorphine (heroin) Diacetylnalorphine Difelikefalin Dihydroetorphine Dihydromorphine Dinalbuphine sebacate Diprenorphine Dynorphin A Dynorphin B (rimorphin) Eluxadoline Enadoline Eptazocine Erinacine E Ethylketazocine Etorphine Fedotozine Fentanyl Gemazocine GR-89696 GR-103545 Hemorphin-4 Herkinorin HS665 Hydromorphone HZ-2 Ibogaine ICI-199,441 ICI-204,448 Ketamine Ketazocine Laudanosine Leumorphin (dynorphin B-29) Levallorphan Levomethorphan Levorphanol Lexanopadol Lofentanil LPK-26 Lufuradom Matrine MB-1C-OH Menthol Metazocine Metkefamide Mianserin Mirtazapine Morphine Moxazocine MR-2034 N-MPPP Nalbuphine NalBzOH Nalfurafine Nalmefene Nalodeine (N-allylnorcodeine) Nalorphine Naltriben Niravoline Norbuprenorphine Norbuprenorphine-3-glucuronide Noribogaine Norketamine Oripavine Oxilorphan Oxycodone Pentazocine Pethidine (meperidine) Phenazocine Proxorphan Racemethorphan Racemorphan RB-64 Salvinorin A (salvia) Salvinorin B ethoxymethyl ether Salvinorin B methoxymethyl ether Samidorphan Spiradoline (U-62,066) TH-030418 Thienorphine Tifluadom Tricyclic antidepressants (e.g., amitriptyline, desipramine, imipramine, nortriptyline) U-50488 U-54,494A U-69,593 Xorphanol Antagonists: 4′-Hydroxyflavanone 4',7-Dihydroxyflavone 5'-GNTI 6'-GNTI 6β-Naltrexol 6β-Naltrexol-d4 β-Chlornaltrexamine Buprenorphine/samidorphan Amentoflavone ANTI Apigenin Arodyne AT-076 Aticaprant Axelopran AZ-MTAB Binaltorphimine BU09059 Buprenorphine Catechin Catechin gallate CERC-501 (LY-2456302) Clocinnamox Cyclofoxy Dezocine DIPPA EGC ECG Epicatechin Hyperoside JDTic LY-255582 LY-2196044 LY-2444296 LY-2459989 LY-2795050 MeJDTic Methylnaltrexone ML190 ML350 MR-2266 N-Fluoropropyl-JDTic Naloxone Naltrexone Naltrindole Naringenin Norbinaltorphimine Noribogaine Pawhuskin A PF-4455242 RB-64 Quadazocine Taxifolin UPHIT Zyklophin Unknown/unsorted: Akuammicine Akuammine Coronaridine Cyproterone acetate Dihydroakuuamine Ibogamine Tabernanthine
NOP	Agonists: (Arg14,Lys15)Nociceptin ((pF)Phe⁴)Nociceptin(1-13)NH₂ (Phe¹Ψ(CH₂-NH)Gly²)Nociceptin(1-13)NH₂ Ac-RYYRWK-NH₂ Ac-RYYRIK-NH₂ BU08070 Buprenorphine Cebranopadol Dihydroetorphine Etorphine JNJ-19385899 Levomethorphan Levorphanol Levorphanol Lexanopadol MCOPPB MT-7716 NNC 63-0532 Nociceptin (orphanin FQ) Nociceptin (1-11) Nociceptin (1-13)NH₂ Norbuprenorphine Racemethorphan Racemorphan Ro64-6198 Ro65-6570 SCH-221510 SCH-486757 SR-8993 SR-16435 TH-030418 Antagonists: (Nphe¹)Nociceptin(1-13)NH₂ AT-076 BAN-ORL-24 BTRX-246040 (LY-2940094) J-113,397 JTC-801 NalBzOH Nociceptin (1-7) Nocistatin SB-612,111 SR-16430 Thienorphine Trap-101 UFP-101
Unsorted	β-Casomorphins Amidorphin BAM-20P Cytochrophin-4 Deprolorphin Gliadorphin (gluteomorphin) Gluten exorphins Hemorphins Kava constituents MEAGL MEAP NEM Neoendorphins Nepetalactone (catnip) Peptide B Peptide E Peptide F Peptide I Rubiscolins Soymorphins
Others	Enkephalinase inhibitors: Amastatin BL-2401 Candoxatril D -Phenylalanine Dexecadotril (retorphan) Ecadotril (sinorphan) Kelatorphan Racecadotril (acetorphan) RB-101 RB-120 RB-3007 Opiorphan Selank Semax Spinorphin Thiorphan Tynorphin Ubenimex (bestatin) Propeptides: β-Lipotropin (proendorphin) Prodynorphin Proenkephalin Pronociceptin Proopiomelanocortin (POMC) Others: Kyotorphin (met-enkephalin releaser/degradation stabilizer)
See also: Receptor/signaling modulators • Signaling peptide/protein receptor modulators

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Identifiers

IUPAC name ethyl (1R,2S)-2-(methylamino)-1-phenylcyclohex-3-ene-1-carboxylate
CAS Number	38677-94-0
PubChem CID	162321
ChemSpider	142535
UNII	7145G6817J
ChEBI	CHEBI:77839^Y
ChEMBL	ChEMBL1614654
Chemical and physical data
Formula	C₁₆H₂₁NO₂
Molar mass	259.349 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES CCOC(=O)[C@]1(CCC=C[C@@H]1NC)C2=CC=CC=C2
InChI InChI=1S/C16H21NO2/c1-3-19-15(18)16(13-9-5-4-6-10-13)12-8-7-11-14(16)17-2/h4-7,9-11,14,17H,3,8,12H2,1-2H3/t14-,16+/m0/s1 Key:PDJZPNKVLDWEKI-GOEBONIOSA-N

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