Claims
- 1. A compound of the formula ##STR12## wherein R.sub.1 and R.sub.2 independently of each other are straight-or branched-chain alkyl having from 1 to 6 carbon atoms, or together with the carbon to which they are bound form a cyclopentyl or cyclohexyl ring, which is unsubstituted or substituted with a methyl group,
- R.sub.3 is hydrogen, alkyl having 1 to 12 carbon atoms, .beta.-methoxyethyl, alkenyl having 3 to 4 carbon atoms propargyl, benzyl, or benzyl substituted with one or two methyl groups,
- R.sub.4 is straight-chain alkenylene of 2 to 4 carbon atoms, 1,2-disubstituted cycloalkylene or cycloalkenylene having 4 to 6 carbon atoms, 2,3-disubstituted bicycloalkylene or bicycloalkenylene having 7 to 8 carbon atoms or 1,2-, 1,3- or 1,4-disubstituted phenylene, or a straight-chain alkylene of 1 to 4 carbon atoms substituted by alkyl or alkenyl of 1 to 18 carbon atoms, provided that the straight-chain alkylene substituted by alkyl has more than 8 carbon atoms,
- M is hydrogen or a metal selected from the group consisting of barium, calcium, magnesium, sodium, potassium, and
- z has a value of from 1 to 4, the value of z being the same as the available valence of M.
- 2. A compound according to claim 1 wherein R.sub.1 and R.sub.2 are each methyl.
- 3. A compound according to claim 1 wherein R.sub.4 is 1,2-disubstituted cycloalkylene or cycloalkenylene having 4 to 6 carbon atoms.
- 4. A compound according to claim 1 wherein R.sub.4 is 2,3-disubstituted bicycloalkylene or bicycloalkenylene having 7 to 8 carbon atoms.
- 5. A compound according to claim 1 wherein R.sub.4 is 1,2-, 1,3- or 1,4-disubstituted phenylene.
- 6. A compound according to claim 1 wherein R.sub.4 is straight-chain alkenylene of 2 to 4 carbon atoms.
- 7. A compound according to claim 1 wherein R.sub.4 is straight-chain alkylne of 1 to 4 carbon atoms substituted by alkyl or alkenyl of 1 to 18 carbon atoms.
- 8. A compound according to claim 2 wherein M is hydrogen.
- 9. A compound according to claim 2 which is O-mono(2,2,6,6-tetramethylpiperidin-4-ol)cyclohexane-1,2-dicarboxylate.
- 10. A compound according to claim 2 which is O-mono (2,2,6,6-tetramethylpiperidin-4-ol)bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylate.
- 11. A compound according to claim 2 which is O-mono (2,2,6,6-tetramethylpiperidin-4-ol)-2-dodecene-1-yl succinate.
- 12. A compound according to claim 2 which is O-mono (2,2,6,6-tetramethylpiperidin-4-ol)maleate.
- 13. A compound according to claim 2 which is O-mono-(2,2,6,6-tetramethylpiperdin-4-ol)cyclohex-4-ene-1,2-dicarboxylate.
- 14. A compound according to claim 2 which is O-mono-(2,2,6,6-tetramethylpiperidin-4-ol)phthalate.
- 15. A compound of claim 2 wherein M is sodium.
- 16. A compound of claim 2 wherein M is potassium.
- 17. A compound of claim 2 wherein M is calcium.
Parent Case Info
This is a divisional of applicaiton Ser. No. 800,978, filed on May 26, 1977, now U.S. Pat No. 4,139,520 which in turn is a divisional of application Ser. No. 592,006, filed on June 30, 1975, now U.S. Pat. No. 4,031,095.
US Referenced Citations (7)
Divisions (2)
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Number |
Date |
Country |
Parent |
800978 |
May 1977 |
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Parent |
592006 |
Jun 1975 |
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