Propiram

Short description: Opioid analgesic drug

Propiram

Clinical data
Routes of
administration| By mouth, injected
ATC code|

* none

Legal status
Legal status|

* AU: S8 (Controlled drug)
* BR: Class A2 (Narcotic drugs)
* CA: Schedule I
* DE: Anlage II (Authorized trade only, not prescriptible)
* US: Schedule I

Pharmacokinetic data
Bioavailability| 97%
Elimination half-life| 5.2 hours
Identifiers

IUPAC name

* N-(1-Methyl-2-piperidin-1-ylethyl)-N-pyridin-2-ylpropanamide

CAS Number|

* 15686-91-6 N

PubChem CID|

* 26216

ChemSpider|

* 24426 Y

UNII|

* WT6247U6PX

Chemical and physical data
Formula| C16H25N3O
Molar mass| 275.396 g·mol−1
3D model (JSmol)|

* Interactive image

SMILES

* O=C(N(c1ncccc1)C(CN2CCCCC2)C)CC

InChI

* InChI=1S/C16H25N3O/c1-3-16(20)19(15-9-5-6-10-17-15)14(2)13-18-11-7-4-8-12-18/h5-6,9-10,14H,3-4,7-8,11-13H2,1-2H3 Y

* Key:ZBAFFZBKCMWUHM-UHFFFAOYSA-N Y

NY (what is this?) (verify)

Propiram (Algeril, Dirame, Bay 4503)[1] is a partial μ-opioid receptor agonist and weak μ antagonist analgesic from the ampromide family of drugs related to other drugs such as phenampromide and diampromide. It was invented in 1963 in the United Kingdom by Bayer[2] but was not widely marketed, although it saw some limited clinical use, especially in dentistry. Propiram reached Phase III clinical trials in the United States and Canada.[3]

## Contents

* 1 Pharmacology
* 2 Derivatives
* 3 Regulation
* 4 References

## Pharmacology

Propiram exhibits weak opioid antagonist activity on the μ receptor—quite a bit weaker than its agonist effects—and the effect on κ- and δ-opioid, σ-receptors, or the NMDA system are not well understood. Other drugs of the partial μ-opioid agonist/antagonist type include meptazinol, buprenorphine, butorphanol, phenazocine, nalbuphine, pentazocine, dezocine and its relatives.

With about 10% of the analgesic potency of morphine, 50 mg of propiram is equivalent to about 60 mg of codeine or 50 mg of pentazocine. In many patients, propiram is an effective analgesic comparable to other drugs such as these as well as pethidine, with a normal dose of around 50–100 mg and a duration of action of 3 to 6 hours.[4] It is more potent and effective than codeine,[5] and longer-lasting and with a faster onset of action compared to pethidine.[6] Side effects include sedation, dizziness, nausea and vomiting.[7] Propiram has been available in oral, rectal, and injectable formulations, with bioavailability above 97% after oral administration.

## Derivatives

Many related compounds are known, although only propiram was ever commercialized.[8] The addition of a 4-phenyl group on the piperidine increases potency by a factor of 133x compared to the parent compound. Addition of a 3,3-dimethyl moiety to the piperidine ring increases potency by 45x compared to the title compound [9] and 3D overlay using CHARMM shows that this class overlays the fentanyl scaffold in the positioning of aryl groups, basic nitrogen and amide moieties perfectly.

3,3-Dimethylpropiram, CAS# 24639-20-1, and 4-Phenylpropiram, CAS# 54152-81-7

## Regulation

Propiram is currently a Schedule I/Narcotic controlled substance in the United States with an ACSCN of 9649 and a zero annual aggregate manufacturing quota as of 2014. It has been almost exclusively formulated as the fumarate salt.

## References

1. ↑ US3163654A Pyridine derivatives and their preparation (n-tertiary aminoalkyl-n-acyl)-amino pyridines
2. ↑ U.S. Patent 3,163,654
3. ↑ Drug Facts & Comparisons (56th ed.). 2002.
4. ↑ "Use of a new oral analgesic, propiram fumarate, in treating postoperative ocular pain". Annals of Ophthalmology 14 (12): 1172–4. December 1982. PMID 7165237.
5. ↑ "The relative analgesic efficacy of propiram fumarate, codeine, aspirin, and placebo in post-impaction dental pain". Journal of Clinical Pharmacology 24 (1): 35–42. January 1984. doi:10.1002/j.1552-4604.1984.tb01811.x. PMID 6368614.
6. ↑ "Bioavailability of orally administered propiram fumarate in humans". Journal of Pharmaceutical Sciences 70 (5): 521–3. May 1981. doi:10.1002/jps.2600700515. PMID 7241356.
7. ↑ "Propiram. A review of its pharmacodynamic and pharmacokinetic properties, and clinical use as an analgesic". Drugs 46 (3): 428–445. September 1993. doi:10.2165/00003495-199346030-00008. PMID 7693433.
8. ↑ "[2-Acylaminopyridine derivatives with morphine agonistic and morphine antagonistic effects]". Arzneimittel-Forschung 24 (4): 584–600. April 1974. PMID 4406861.
9. ↑ Wollweber H. Stereochemische Untersuchungen über Arzneimittel. European Journal of Medicinal Chemistry 1982; 17: 125–133.

* 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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*[AU]: Australia
*[BR]: Brazil
*[CA]: Canada
*[DE]: Germany
*[US]: United States
*[CID]: Compound ID
*[v]: View this template
*[t]: Discuss this template
*[e]: Edit this template
*[MOR]: μ-opioid receptor
*[DOR]: δ-opioid receptor
*[KOR]: κ-opioid receptor
*[NOP]: Nociceptin receptor