	US 12,378,214 B2
	12-oxaspiro[5,5]undec-8-ene useful in fragrance compositions
Thierry Granier, Duebendorf (CH); Daniel Bieri, Zurich (CH); Gerhard Brunner, Opfikon (CH); Sandro Dossenbach, Gossau (CH); and Heinz Koch, Baeretswil (CH)
Assigned to Givaudan SA, Vernier (CH)
Appl. No. 17/615,301
Filed by Givaudan SA, Vernier (CH)
PCT Filed Jun. 3, 2020, PCT No. PCT/EP2020/065267 § 371(c)(1), (2) Date Nov. 30, 2021, PCT Pub. No. WO2020/245142, PCT Pub. Date Dec. 10, 2020.
Claims priority of application No. 1907995 (GB), filed on Jun. 5, 2019.
Prior Publication US 2022/0220091 A1, Jul. 14, 2022
Int. Cl. C07D 311/96 (2006.01); A61K 8/49 (2006.01); A61Q 13/00 (2006.01); C11B 9/00 (2006.01)

CPC C07D 311/96 (2013.01) [A61K 8/498 (2013.01); A61Q 13/00 (2013.01); C11B 9/0088 (2013.01)]

21 Claims

1. A compound according to formula (−)-(Id*)

wherein the compound shows negative specific rotation values.