Hydroxymethylpentylcyclohexenecarboxaldehyde (HMPCC) is a synthetic fragrance known by the trade names Lyral, Kovanol, Mugonal, Landolal. It is found in some soaps, eau de toilettes, aftershaves and deodorants.
Hydroxymethylpentylcyclohexenecarboxaldehyde (HMPCC) is a synthetic fragrance known by the trade names Lyral, Kovanol, Mugonal, Landolal. It is found in some soaps, eau de toilettes, aftershaves and deodorants.
==Synthesis== Typical synthesis starts from myrcene and involves a Diels–Alder reaction with acrolein to produce the cyclohexenecarbaldehyde group, this species is marketed as a fragrance in its own right, most commonly under the name 'myrac aldehyde'. Acid-catalyzed hydration of this completes the synthesis by forming the tertiary alcohol.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).