Patent · US Expired

13-Oxabicyclo(10,4,0)hexadec-1(12)-en-14-one

US4005107A · kind A · utility

0Cited by

1References

3Claims

0Family size

Assignee

DAICEL CORPORATION · JP

Inventors

Tsuyoshi Morinaga · 中庄, JP
Yuji Nakazawa · Tokorozawa, JP
Kyozo Arimoto
Katuhiko Takahashi
Yoshiyuki Arai

Key dates

Filing date	Nov 6, 1975
Grant date	Jan 25, 1977
Priority date	—
Expiry date	Nov 6, 1995

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D311/94
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

13-Oxabicyclo(10.4.0)hexadec-1(12)-en-14-one is prepared by intramolecular cyclization of .beta.-(2-oxocyclododecyl) propionic acid, or derivatives thereof, in the presence of an acid catalyst or a basic catalyst. The compound is an important intermediate for producing musk perfume fragrance.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.