Overview and Chemical Background

2,2,2-Trichloro-1-(1-methyl-4-nitro-1H-imidazol-2-yl)ethanone (SKU T710061) combines two chemically significant motifs: a 1-methyl-4-nitroimidazole ring system and a trichloroacetyl carbonyl group at the C-2 position of the imidazole. The nitroimidazole nucleus is well recognized in medicinal and agricultural chemistry for its biological activity profile, while the trichloroacetyl moiety confers pronounced electrophilicity, making the carbonyl carbon susceptible to nucleophilic attack by amines, alcohols, and thiols.

This combination positions the compound as a versatile synthetic intermediate, potentially applicable in the preparation of amide, carbamate, or ester derivatives bearing the pharmacologically relevant nitroimidazole scaffold. Researchers should note that the trichloroacetyl group is considerably more reactive than simple acetyl groups due to the strong inductive withdrawal of three chlorine atoms, which lowers the energy of the carbonyl LUMO.

Safety and Handling Precautions

Before working with 2,2,2-Trichloro-1-(1-methyl-4-nitro-1H-imidazol-2-yl)ethanone, always consult the current Safety Data Sheet (SDS) provided by Aladdin Scientific. As a reactive acyl chloride-equivalent reagent, it should be treated as a potential irritant or corrosive substance capable of releasing hydrogen chloride (HCl) upon hydrolysis.

• Personal Protective Equipment (PPE): Wear nitrile gloves, lab coat, and safety goggles as a minimum. A face shield is recommended when handling larger quantities.
• Ventilation: All manipulations should be performed in a well-ventilated fume hood to avoid inhalation of vapors or aerosols.
• Moisture Sensitivity: The trichloroacetyl group is susceptible to hydrolysis; keep the reagent dry and use anhydrous solvents and conditions.
• Waste Disposal: Dispose of all waste according to local institutional and regulatory guidelines for halogenated organic compounds.

In case of skin or eye contact, immediately flush with copious amounts of water and seek medical attention. Consult the SDS for full first-aid and emergency procedures.

General Synthetic Protocol for Acylation Reactions

The following is a general guideline for using 2,2,2-Trichloro-1-(1-methyl-4-nitro-1H-imidazol-2-yl)ethanone as an acylating agent. Researchers should optimize conditions for their specific substrates and applications.

1. Reagent Preparation: Weigh the required amount of T710061 in a dry, tared vessel inside a glove bag or fume hood. Dissolve in a dry aprotic solvent (e.g., anhydrous dichloromethane, THF, or DMF) at a suitable concentration (typically 0.1–0.5 M). Prepare immediately before use to minimize hydrolysis.
2. Substrate and Base Setup: Dissolve the nucleophilic substrate (amine, alcohol, or thiol) in the same or compatible solvent. Add a suitable base (e.g., triethylamine or DIPEA, 1.5–2.0 equivalents) to neutralize the HCl generated during the reaction.
3. Reaction: Add the T710061 solution dropwise to the substrate solution at 0 °C with stirring, then allow the reaction to warm to room temperature. Monitor by TLC or HPLC. Reaction times will vary; consult literature for analogous trichloroacetyl imidazole systems.
4. Workup: Quench excess reagent carefully with cold aqueous base (e.g., saturated NaHCO₃). Separate the organic layer, wash with water and brine, dry over anhydrous Na₂SO₄ or MgSO₄, filter, and concentrate under reduced pressure.
5. Purification: Purify the crude product by column chromatography (silica gel) or recrystallization as appropriate. Confirm structure by NMR and MS.

Note: These conditions are general recommendations based on trichloroacetyl chemistry principles. Specific reaction parameters must be empirically validated by the researcher.

Quality Control and Analytical Verification

To confirm the identity and purity of T710061 prior to use, the following analytical approaches are recommended:

• ¹H NMR: The 1-methyl-4-nitroimidazole ring proton (H-5) should appear as a singlet in the aromatic region. The N-methyl group should appear as a singlet in the aliphatic region. No trichloromethyl protons are expected; confirm the absence of aldehyde or alcohol impurity signals.
• ¹³C NMR: The trichloroacetyl carbonyl carbon resonates characteristically downfield (typically >170 ppm for acyl trichlorides/ketones). The CCl₃ carbon appears in the 90–100 ppm region.
• IR Spectroscopy: A strong C=O stretch for the trichloroacetyl ketone is expected around 1680–1720 cm⁻¹. C–Cl stretches will be present in the 700–800 cm⁻¹ region.
• HPLC Purity: Assess purity by reverse-phase HPLC (C18 column, acetonitrile/water gradient). Compare with certificate of analysis specifications provided by Aladdin Scientific.
• Mass Spectrometry: Confirm molecular ion cluster with characteristic isotope pattern for three chlorine atoms (M, M+2, M+4, M+6 in approximately 1:3:3:1 ratio).

Storage, Stability, and Ordering Information

Storage: Store 2,2,2-Trichloro-1-(1-methyl-4-nitro-1H-imidazol-2-yl)ethanone in a tightly sealed container in a cool, dry environment, protected from light and moisture. Trichloroacetyl ketones are moisture-sensitive; desiccant storage is advisable. Always consult the product SDS and certificate of analysis for lot-specific storage conditions.

Stability: In the solid state under recommended storage conditions, the compound is expected to be stable for an extended period; however, stability in solution is significantly reduced due to susceptibility of the trichloroacetyl group to hydrolysis. Prepare solutions fresh before each use.

Ordering: T710061 is available from Aladdin Scientific. Contact your regional Aladdin Scientific representative or visit the Aladdin Scientific website to request a quote, review availability, and access the current SDS and certificate of analysis. Reference SKU T710061 when placing orders.