Menthyl pyran and smoking compositions compounds
US5137579A · kind A · utility
0Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1989 |
| Grant date | Aug 11, 1992 |
| Priority date | — |
| Expiry date | Mar 31, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D309/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Menthyl pyran compounds are provided repesented by the formula 1: ##STR1## wherein R is H or lower acyl or 1-3 carbon atoms; R' is H, hydroxyl, or C.sub.1-3 acyloxy, and the dotted line represents an optional double bond. Use of the compounds provides a menthol note upon pyrolysis or hydrolysis. Smoking compositions containing a compound of formula 1 are also included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.