🧪 2-FXiPr (2′-Fl-2-Oxo-PCiPr) — Arylcyclohexylamine Dissociative Research Compound
Panoramica
2-FXiPr, also referred to as 2′-Fl-2-Oxo-PCiPr, è un arilcicloesilammina fluorurata belonging to the family of dissociative NMDA receptor antagonists, structurally related to PCP, MXPr, e Ketamine analogues.
It is a ricerca chimica of significant forensic and analytical interest, particularly within the context of nuova sostanza psicoattiva (NPS) surveillance and structure-activity relationship (SAR) studies.
The compound features a 2-fluorophenyl ring substitution and an isopropylamino group, producing a unique balance of lipophilicity and receptor binding affinity compared to other arylcyclohexylamine derivatives.
Identità Chimica
- Full name (IUPAC): 2-(2-fluorophenyl)-2-(isopropylamino)cyclohexan-1-one
- Sinonimi: 2-FXiPr, 2′-Fl-2-Oxo-PCiPr, 2-F-MXiPr
- Classe chimica: Arylcyclohexylamine dissociative
- Molecular formula: C₁₅H₂₀FNO
- Molecular weight: ≈ 249.33 g/mol
- Appearance: White crystalline or fine powder (typically HCl salt form)
- Purity (research grade): ≥ 98% (analytical standard)
⚛️ Chemical & Structural Characteristics
Arylcyclohexylamines like 2-FXiPr share the same pharmacophore as PCP and ketamine, featuring:
- Un aryl group (here, a 2-fluorophenyl substitution) that modulates receptor selectivity.
- A cyclohexanone core that enables NMDA channel blocking.
- A secondary amine (isopropylamino substitution) contributing to lipophilicity and altered onset profile.
Il 2-fluoro substitution on the phenyl ring increases binding stability to NMDA receptors and influences metabolic resistance. Compared to 3- or 4-fluoro analogues, 2-fluoro substitution can shift both potency and dissociative depth, making 2-FXiPr notable for comparative SAR studies.
⚙️ Mechanism of Action (Class Reference)
While specific binding assays for 2-FXiPr are not yet published, analogues suggest it acts primarily as a non-competitive NMDA receptor antagonist, binding within the ion channel to block excitatory glutamate signaling.
This results in:
- CNS dissociation (disruption of sensory integration and self-perception)
- Analgesia and anesthesia at higher exposures
- Cognitive disruption and derealization in behavioral models
Some arylcyclohexylamines also show weak dopamine reuptake inhibition or sigma-1 receptor modulation, though this has not been verified for 2-FXiPr.
🧫 Pharmacological Research Profile (Predicted)
| Proprietà | Estimate / Class Analogy |
|---|---|
| Receptor target | NMDA receptor (channel blocker) |
| Onset (in vivo rodent data) | ~10–20 min (estimated) |
| Active range (class) | sub-10 mg to low-mg/kg (varies by route) |
| Duration (class) | 2–6 hours, dependent on metabolism |
| Metabolismo | Likely via CYP2B6 and CYP3A4 hydroxylation pathways |
| Toxicology | Unknown — handle as potentially neurotoxic and cardiotoxic |
Because 2-FXiPr lacks published toxicological evaluation, its biological potency and risk profile remain undetermined.
⚠️ Safety, Toxicology & Handling
Arylcyclohexylamine analogues are known for narrow safety margins and unpredictable pharmacokinetics.
Laboratories studying 2-FXiPr should maintain strict containment procedures and treat all forms as potentially hazardous.
Recommended precautions:
- Use only inside certified fume hoods with PPE (nitrile gloves, respirator, goggles).
- Avoid skin contact and aerosol formation.
- Implement double-containment and label storage clearly.
- Dispose of waste following institutional chemical hazard policy.
Potential hazards (by analogy):
- CNS depression or dissociative intoxication
- Motor impairment, respiratory suppression
- Possible neurotoxicity via NMDA blockade
- Accidental dermal exposure risk due to lipophilicity
🔬 Analytical and Forensic Use
2-FXiPr may serve as a reference compound for:
- LC–MS/MS and GC–MS method calibration in dissociative drug detection.
- Toxicological screening of unknown NPS cases.
- Comparative SAR analysis among 2-fluoro-substituted arylcyclohexylamines.
- Spectral identification of NPS seizures involving PCP-type analogues.
Analytical results indicate fragmentation patterns consistent with other 2-oxo PCP derivatives (loss of isopropylamine, characteristic m/z ~249 parent ion).
⚖️ Legal & Regulatory Context
While 2-FXiPr may not yet be explicitly scheduled in all regions, its close relation to 2-Oxo-PCP e fluorinated PCP analogues means it can fall under analogue laws o blanket NPS prohibitions.
Handling, import, or distribution should occur only under licensed laboratory authorization.
Researchers must verify national scheduling e institutional compliance before acquisition or experimentation.
Storage & Stability
- Store sealed, dry, and light-protected at ≤ 25 °C.
- Avoid humidity and direct sunlight.
- Recommended shelf life (analytical): up to 24 months if stored properly.
📌 Riepilogo
2-FXiPr (2′-Fl-2-Oxo-PCiPr) è un fluorinated arylcyclohexylamine dissociative designed for forensic and pharmacological research on NMDA antagonists.
It provides insight into how fluorine substitution and isopropylamine side chains modify receptor activity within the PCP-ketamine chemical space.
Due to unknown toxicity and high receptor potency, 2-FXiPr is restricted to professional analytical laboratories e forensic institutions for non-clinical investigation only.
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