2,4-Dioxa-7,10-methano-spiro [5,5] undecanes and their use in perfumery compositions

US4528126A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Klaus Bruns · Uerdingen, DE
• Thuy N. Dang · Uerdingen, DE

Key dates

• Filing date: Oct 4, 1983
• Grant date: Jul 9, 1985
• Expiry date: Oct 4, 2003

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11B9/0088
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

2,4-dioxa-7,10-methano-spiro [5,5] undecanes having the formula ##STR1## wherein R is a member selected from the group consisting of hydrogen, alkyl having from 1 to 4 carbon atoms, vinyl and propenyl and their isomeric mixtures; its synthesis, its use as a perfumery agent and as an olefactant component in perfumery compositions and as an odorant for technical products.