Sommelet reaction

Sommelet Reaction is a chemical reaction that involves the transformation of a benzylic halide into an aldehyde or ketone. The reaction was first reported by Marcel Sommelet, a French chemist, in 1904.

Etymology

The reaction is named after Marcel Sommelet, who first reported it in 1904. The term "Sommelet Reaction" is derived from his last name.

Reaction Mechanism

The Sommelet Reaction begins with the reaction of a benzylic halide with hexamine, also known as hexamethylenetetramine. This results in the formation of a quaternary ammonium salt. The salt then undergoes a rearrangement, facilitated by heat, to form an iminium ion. This ion is then hydrolyzed to produce the final aldehyde or ketone product.

Applications

The Sommelet Reaction is used in organic synthesis to transform benzylic halides into aldehydes or ketones. This makes it a useful tool in the synthesis of complex organic molecules.

Related Terms

• Benzylic halide
• Hexamine
• Quaternary ammonium salt
• Iminium ion
• Aldehyde
• Ketone
• Organic synthesis

See Also

• Reimer-Tiemann reaction
• Friedel-Crafts reaction
• Cannizzaro reaction

References

Sommelet reaction Resources
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