Lower Alkyl Esters for Saffron Odor Notes
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Solution Overview
Problem
Current perfumery lacks compounds that effectively impart saffron and spicy odor notes, with existing ingredients either lacking unique odor profiles or introducing unwanted floral or woody characteristics.
Innovation Solution
The use of lower alkyl esters of 4,6,6-trimethyl-1,3-cyclohexadiene-1-carboxylate or 4,6,6-trimethyl-3-cyclohexene-1-carboxylate, such as ethyl and methyl esters, which provide distinct spicy-saffron and rosy-like odor notes without floral or woody characteristics, are employed as perfuming ingredients.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If existing perfuming ingredients are used, then perfumes can be formulated, but they lack unique saffron and spicy odor notes or introduce unwanted floral and woody characteristics
Solution Approach 1:
The patent applies parameter changes by modifying the chemical structure of cyclohexene carboxylate esters - specifically changing the substitution pattern to 4,6,6-trimethyl and varying the alkyl group (methyl, ethyl, propyl, butyl) - to achieve a unique saffron-spicy odor profile that differs from prior art compounds and eliminates unwanted floral or woody characteristics
2Adaptability or versatility
If compounds with saffron odor notes are sought, then unique perfumery applications are enabled, but existing compounds either lack these notes or have unwanted characteristics
Solution Approach 1:
The patent applies local quality by specifically targeting the odor profile characteristics - achieving concentrated saffron and spicy notes at specific positions in the odor pyramid (head, heart, and base notes) while eliminating unwanted floral or woody characteristics in other positions, creating a pure and distinctive saffron-spicy fragrance identity
Data Source
AI summary
The present invention concerns the use as perfuming ingredient of a lower alkyl ester of 4,6,6-trimethyl-1,3-cyclohexadiene-1-carboxylate or 4,6,6-trimethyl-3-cyclohexene-1-carboxylate. These compounds are able to impart odor notes of the spicy/saffron type.