ES8703395A1 - Trans methyl-1-(hydroxy-4-methyl-3-cyclohexenyl)-ethanol prepn. - Google Patents
Trans methyl-1-(hydroxy-4-methyl-3-cyclohexenyl)-ethanol prepn.Info
- Publication number
- ES8703395A1 ES8703395A1 ES550518A ES550518A ES8703395A1 ES 8703395 A1 ES8703395 A1 ES 8703395A1 ES 550518 A ES550518 A ES 550518A ES 550518 A ES550518 A ES 550518A ES 8703395 A1 ES8703395 A1 ES 8703395A1
- Authority
- ES
- Spain
- Prior art keywords
- methyl
- ethanol
- hydroxy
- trans
- prepn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Trans-1-methyl 1-(5-hydroxy 4-methyl 3-cyclohexcryl) ethanol for therapeutic use as a balsamic agent and respirator analeptic, is made by (a) reacting alpha-pipene with oxygenated water at 30% concn. and a hydroxylic solvent, pref. ethanol, in presence of a base, e.g. Na or K bicarbonate, at 35 deg.C max. to obtain alpha-pipene oxide; and (b) hydrolysing this in aq. soln. at pH 3-4 with external cooling of the reactor to maintain it at 60 deg.C max.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES550518A ES8703395A1 (en) | 1985-12-28 | 1985-12-28 | Trans methyl-1-(hydroxy-4-methyl-3-cyclohexenyl)-ethanol prepn. |
PT83601A PT83601B (en) | 1985-12-28 | 1986-10-22 | A NEW PROCESS FOR OBTAINING TRANS-1-METHYL-1- (5-HYDROXY-4-METHYL-3-CYCLOHEXENYL) ETHANOL |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES550518A ES8703395A1 (en) | 1985-12-28 | 1985-12-28 | Trans methyl-1-(hydroxy-4-methyl-3-cyclohexenyl)-ethanol prepn. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8703395A1 true ES8703395A1 (en) | 1987-02-16 |
ES550518A0 ES550518A0 (en) | 1987-02-16 |
Family
ID=8490573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES550518A Expired ES8703395A1 (en) | 1985-12-28 | 1985-12-28 | Trans methyl-1-(hydroxy-4-methyl-3-cyclohexenyl)-ethanol prepn. |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES8703395A1 (en) |
PT (1) | PT83601B (en) |
-
1985
- 1985-12-28 ES ES550518A patent/ES8703395A1/en not_active Expired
-
1986
- 1986-10-22 PT PT83601A patent/PT83601B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
PT83601A (en) | 1986-11-01 |
ES550518A0 (en) | 1987-02-16 |
PT83601B (en) | 1988-10-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970401 |