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Description
TCI D3659 2,5-Dimethoxybenzonitrile is a non-heterocyclic building block belonging to the benzonitrile family, carrying two methoxy groups at the 2 and 5 positions of the aromatic ring. The combination of a nitrile group acting as the reactive centre and two electron-donating methoxy substituents makes this compound a versatile starting material in organic synthesis. The nitrile group can be converted into a wide range of important functional groups: hydrolysis gives carboxylic acids or amides, reduction gives benzylamines, organometallic addition gives ketones, and cycloaddition with azides gives tetrazoles. A single reagent therefore opens several branching synthetic routes at once.
The property that makes this material a preferred choice is its dimethoxy substitution pattern, which activates the aromatic ring toward electrophilic substitution while also directing the regiochemistry of reactions in a reasonably predictable manner. The 2,5-dimethoxy arrangement additionally resembles the methylated hydroquinone framework found in many natural products and bioactive compounds, so the reagent is frequently used to construct synthetic analogues. The methoxy groups may be retained as part of the final structure or cleaved to phenol groups at a later stage, giving considerable flexibility in synthetic strategy.
In Indonesian laboratories, this building block is typically used in university and institutional research settings as well as in industrial development work where organic synthesis routes are being explored. It suits groups working on the preparation of analogues of natural products and bioactive compounds, method development for functional group transformations, and small-scale route scouting before larger campaigns. As a TCI-brand reagent, it is normally ordered as part of a set of building blocks kept on hand for exploratory synthesis.
Laboratory Applications
- Nitrile functional group transformations — the nitrile centre can be hydrolysed to carboxylic acids or amides, reduced to benzylamines, or converted to ketones, giving one reagent many synthetic outcomes.
- Tetrazole synthesis — cycloaddition of the nitrile group with azides forms tetrazole rings, a transformation widely applied in the construction of nitrogen-containing target structures.
- Electrophilic aromatic substitution studies — the two electron-donating methoxy groups activate the ring and direct incoming electrophiles, making regiochemical outcomes reasonably predictable for synthetic planning.
- Synthesis of natural product and bioactive compound analogues — the 2,5-dimethoxy pattern mirrors the methylated hydroquinone motif common in such compounds, making it a convenient scaffold entry point.
- Phenol-based scaffold construction — the methoxy groups can be retained in the final molecule or demethylated to phenols at a later stage, allowing flexible late-stage strategy.
Specifications
- Brand: TCI
- CAS number: 5312-97-0
- Category: Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
- Product code: D3659
- Pack sizes: available in the standard research-scale pack sizes offered for this catalogue item; please confirm the current options when ordering
- Storage: store according to the manufacturer's instructions on the product label and safety data sheet
Handling and Storage
Store the container tightly closed in a cool, dry, well-ventilated area away from direct sunlight, moisture, and incompatible materials, following the storage conditions stated on the manufacturer's label and safety data sheet. Keep the material in its original supplier container, or in a clean, chemically compatible, tightly sealed glass container if transferred, and label it clearly. Handle in a fume hood using appropriate personal protective equipment, including safety glasses, chemical-resistant gloves, and a laboratory coat. Avoid inhalation of dust and contact with skin and eyes. As with all nitrile-containing reagents, review the safety data sheet before use, and collect and dispose of waste through your institution's chemical waste procedures.
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