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1. (WO2017153455) PREPARATION OF MACROCYCLIC LACTONES

Pub. No.:    WO/2017/153455    International Application No.:    PCT/EP2017/055413
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Thu Mar 09 00:59:59 CET 2017
IPC: C07D 313/00
Applicants: GIVAUDAN SA
Inventors: DAVEY, Paul Nicholas
ELLWOOD, Simon
Title: PREPARATION OF MACROCYCLIC LACTONES
Abstract:
A process for preparing a macrocyclic lactone comprising 14 to 17 ring carbon atoms, the process comprising the steps of i) subjecting a reaction mixture comprising an olefin-containing random polyester, formed by metathesis to a cyclo-depolymerization reaction to form the macrocyclic lactone, and ii) concomitant removal of the macrocyclic lactone from the reaction mixture.