Chemistry:Substituted phenylmorpholine

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Short description: Class of chemical compounds

Substituted phenylmorpholines, or substituted phenmetrazines alternatively, are chemical derivatives of phenylmorpholine or of the psychostimulant drug phenmetrazine. Most such compounds act as releasers of monoamine neurotransmitters, and have stimulant effects. Some also act as agonists at serotonin receptors, and compounds with an N-propyl substitution act as dopamine receptor agonists. A number of derivatives from this class have been investigated for medical applications, such as for use as anorectics or medications for the treatment of ADHD. Some compounds have also become subject to illicit use as designer drugs.[1][2][3][4]

Various phenmetrazine derivatives
The 2S,3S isomer of phendimetrazine (i.e. (2S,3S)-3,4-dimethyl-2-phenylmorpholine)
The (+)-enantiomer & (−)-enantiomer of pseudophenmetrazine.
List of phenmetrazine analogues and related compounds
Substance Structure CAS number
2-phenylmorpholine 23972-41-0
2-phenyl-3-methylmorpholine (phenmetrazine) 134-49-6
2-phenyl-3,4-dimethylmorpholine (phendimetrazine) 634-03-7
2-phenyl-5-methylmorpholine (isophenmetrazine) 80123-66-6
2-phenyl-3-ethylmorpholine (phenetrazine) 100368-98-7
2-phenyl-3-methyl-4-ethylmorpholine (phenmetetrazine) 92196-09-3
2-phenyl-3,5-dimethylmorpholine (PDM-35) 1218345-44-8
2-phenyl-3,6-dimethylmorpholine (6-methylphenmetrazine, 3,6-DMPM) 92902-99-3
2-phenyl-5,5-dimethylmorpholine (G-130) 42013-48-9
2-phenyl-3-methylmorpholin-5-one (fenmetramide) 5588-29-4
4-isopropyl-2-phenylmorpholine[5] 23222-62-0
Fenbutrazate 4378-36-3
Morazone 6536-18-1
2-Fluorophenmetrazine 1533654-24-8
3-fluorophenmetrazine (PAL-593) 1350768-28-3
4-Fluorophenmetrazine (PAL-748) 1097796-73-0
3-fluorophenetrazine
3-chlorophenmetrazine (PAL-594) 1097796-78-5
3-Methoxyphenmetrazine
2-Methylphenmetrazine 1507705-48-7
3-methylphenmetrazine (PAL-773) 1350768-41-0
4-methylphenmetrazine (PAL-747) 1998216-41-3
4-methylphendimetrazine 1445576-23-7
3,4-Methylenedioxyphenmetrazine[6]
Naphthylmetrazine (PAL-704)
2-(thiophen-2-yl)-3-methylmorpholine
2-(2,5-dimethoxy-4-bromophenyl)morpholine[7]
2-(3-(Trifluoromethyl)phenyl)morpholine (flumexadol)[8] 30914-89-7
Oxaflozane 26629-87-8
Phenmetrazol 1350768-19-2
N-Ethylphenmetrazol 97630-98-3
(+)-(2S,3S)-2-(3-chlorophenyl)-3,5,5-trimethylmorpholin-2-ol (radafaxine) 106083-71-0
(2S,3S,5R)-2-(3,5-difluorophenyl)-3,5-dimethylmorpholin-2-ol (manifaxine) 135306-39-7
PF-219,061[9] 710654-74-3
PF-592,379 710655-15-5
OSU-6162 156907-84-5
Compound 8 [10]
2-Methyl-3-phenylpiperidine 70769-67-4
2-Phenyl-3-methyl-thiomorpholine
Picilorex 62510-56-9
Butyltolylquinuclidine
3-benzylmorpholine (3-BZM)[11] 7684-27-7
3-Benzhydrylmorpholine (3-BZHM) 93406-27-0

See also

References

  1. "Synthesis, stereochemistry and anti-tetrabenazine activity of bicyclo analogues of 2-phenylmorpholines". Journal of Heterocyclic Chemistry 34 (6): 1813–1820. 1997. doi:10.1002/jhet.5570340629. 
  2. Blough BE, Rothman R, Landavazo A, Page KM, Decker AM, "Phenylmorpholines and analogues thereof", US patent 20130203752, published 8 August 2013
  3. "Fluorinated phenmetrazine "legal highs" act as substrates for high-affinity monoamine transporters of the SLC6 family". Neuropharmacology 134 (Pt A): 149–157. May 2018. doi:10.1016/j.neuropharm.2017.10.006. PMID 28988906. 
  4. "Synthesis, analytical characterization, and monoamine transporter activity of the new psychoactive substance 4-methylphenmetrazine (4-MPM), with differentiation from its ortho- and meta- positional isomers". Drug Testing and Analysis 10 (9): 1404–1416. September 2018. doi:10.1002/dta.2396. PMID 29673128. 
  5. Chem-Sink (chemicals that are Sn2 products & Friedel-Crafts alkylation reactants)
  6. "Determination of synthesis route of 1-(3,4-methylenedioxyphenyl)-2-propanone (MDP-2-P) based on impurity profiles of MDMA". Forensic Science International 149 (2–3): 181–92. May 2005. doi:10.1016/j.forsciint.2004.06.016. PMID 15749360. 
  7. "Beta-oxygenated analogues of the 5-HT2A serotonin receptor agonist 1-(4-bromo-2,5-dimethoxyphenyl)-2-aminopropane". Journal of Medicinal Chemistry 47 (24): 6034–41. November 2004. doi:10.1021/jm040082s. PMID 15537358. 
  8. Chemicalbook dot com: Flumexadol
  9. Morpholine Dopamine Agonists For The Treatment Of Pain. Michael Andrew Ackley US 2009/0318451 AI Dec., 24th 2009. 1st Page.
  10. Kristensen J, et al. 5-HT2A Agonists for Use in Treatment of Depression. Patent US 2021/0137908
  11. NIH PubChem Compound Summary for CID 3283983