PROCESS FOR PREPARING (Z)-7-TETRADECEN-2-ONE

PROCESS FOR PREPARING (Z)-7-TETRADECEN-2-ONE

The present invention relates to a process for preparing (Z)-7-tetradecen-2-one of the following formula (5), the process comprising the steps of converting a (Z)-1-halo-4-undecene compound (1) of the following general formula (1), wherein X1 represents a halogen atom, into a nucleophilic reagent, (...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MIYAKE, Yuki, KOMATSU, Ryo, WATANABE, Takeru
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention relates to a process for preparing (Z)-7-tetradecen-2-one of the following formula (5), the process comprising the steps of converting a (Z)-1-halo-4-undecene compound (1) of the following general formula (1), wherein X1 represents a halogen atom, into a nucleophilic reagent, (Z)-4-undecenyl compound, of the following general formula (2), wherein M1 represents Li or MgZ1, and Z1 represents a halogen atom or a (4Z)-4-undecenyl group, subjecting the nucleophilic reagent, (Z)-4-undecenyl compound (2), to an addition reaction with propylene oxide of the following formula (3) to obtain (Z)-7-tetradecen-2-ol of the following formula (4) and oxidizing (Z)-7-tetradecen-2-ol (4) thus obtained to form (Z)-7-tetradecen-2-one (5).