US3591643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of bicyclo hexane compounds and the novel compound demethyl-cis-sabinene hydrate
Assignee: Procter and Gamble Co
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Filing: 1968-02-28
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Granted: 1971-07-06
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Expires: 1988-02-28
Abstract
Abstract NOVEL PROCESS FOR THE PREPARATION OF DEMETHYL-CISSABINENE HYDRATE COMPRISING THE STEPS OF (1) CYCLIZING 2METHYL-3,6-HEPATONE-DIONE WITH A BASE IN A SUITABLE SOLVENT TO FORM 3-IROPROPYL-2-CYCLOPENTENONE; (2) REDUCING THE 3ISOPROPYL-2-CYCLOPENTENONE WITH A SUITABLE REDUCING AGENT TO OBTAIN 3-ISOPROPYL-2-CYCLOPENTENOL; AND (3) RACTING THE 3-ISOPROPYL-2-CYCLOPENTENOL WITH APPROPRIATE REAGENTS TO FORM THE NOVEL COMPOUND DEMETHYL-CIS-SABINENE HYDRATE. SABINA KETONE, SABINENE AND CIS- AND TRANS-SABINENE HYDRATES CAN READILY BE PREPARED FROM THE DEMETHYL-CISSABINENE HYDRATE, IS DESIRED.
Inventors
- 👤 Wayne Irwin Fanta
- 👤 William Francis Erman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:44
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/29; C07C45/292; C07C35/00; C07C35/02; C07C35/06; C07C45/61; C07C45/65; C07C45/66; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/947
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |