Claims
- 1. A compound selected from the group consisting of those of the formula: ##STR16## wherein R.sub.1 is hydrogen or alkyl having up to four carbon atoms; R.sub.2 is a straight chain alkyl group having from one to ten carbon atoms, inclusive; and Z is a divalent radical of the formulae: ##STR17## wherein n is an integer from three to five, inclusive; the stereoisomers thereof; and the cationic salts thereof when R.sub.1 is hydrogen.
- 2. A compound according to claim 1 wherein R.sub.1 is ethyl, R.sub.2 is methyl, and Z is --(CH.sub.2).sub.4 --O--CH.sub.2 --.
- 3. A compound according to claim 1 wherein R.sub.1 is ethyl, R.sub.2 is methyl, and Z is --(CH.sub.2).sub.4 --S--CH.sub.2 --.
- 4. A compound according to claim 1 wherein R.sub.1 is ethyl, R.sub.2 is methyl, and Z is ##STR18##
- 5. A compound according to claim 1 wherein R.sub.1 is hydrogen, R.sub.2 is methyl, and Z is --(CH.sub.2).sub.4 --O--CH.sub.2 --.
- 6. A compound according to claim 1 wherein R.sub.1 is hydrogen, R.sub.2 is methyl, and Z is --(CH.sub.2).sub.4 --S--CH.sub.2 --.
- 7. A compound according to claim 1 wherein R.sub.1 is hydrogen, R.sub.2 is methyl, and Z is ##STR19##
- 8. A compound according to claim 1 wherein R.sub.1 is hydrogen, R.sub.2 is n-octyl, and Z is --(CH.sub.2).sub.4 --S--CH.sub.2 --.
- 9. A compound according to claim 1 wherein R.sub.1 is methyl, R.sub.2 is n-octyl, and Z is --(CH.sub.2).sub.4 --S--CH.sub.2 --.
- 10. A compound according to claim 1 wherein R.sub.1 is ethyl, R.sub.2 is n-octyl, and Z is --(CH.sub.2).sub.4 --S--CH.sub.2 --.
CROSS REFERENCE TO RELATED APPLICATION
This is a division of application Ser. No. 240,814, filed Apr. 3, 1972 now U.S. Pat. No. 4,018,811 Which in turn is a continuation-in-part of our copending application Ser. No. 225,680, filed Feb. 11, 1972 now abandoned which in turn is a continuation-in-part of our copending application Ser. No. 95,910, filed Dec. 7, 1970. now abandoned.
Non-Patent Literature Citations (1)
Entry |
finch et al., J. Org. Chem., 36, 3191 (1971). |
Divisions (1)
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Number |
Date |
Country |
Parent |
240814 |
Apr 1972 |
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Continuation in Parts (2)
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Number |
Date |
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Parent |
225680 |
Feb 1972 |
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Parent |
95910 |
Dec 1970 |
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