Publications by authors named "Shunki Mamada"
Six optically active (Z)-7-decen-4-olide derivatives (1a-1f) were synthesized in 99% enantiomeric excess using diastereomeric resolution. The odour properties of the racemic and optically active 1a-1f were evaluated in terms of their orthonasal aromas. All of the stereoisomers had different odour characteristics and thresholds.
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- * A crucial step in this synthesis involved the coupling of a diene sulfone and a tetrahydropyranyl aldehyde.
- * The synthetic sample exhibited a specific rotation that was opposite to that of the natural product, indicating that the natural product's absolute configuration may need to be reconsidered.