Claims
- 1. A compound of the formula ##STR8## wherein R and R.sup.1 are selected from hydrogen, lower alkyl of 1 to 4 carbon atoms, or phenyl.
- 2. A compound of claim 1 wherein R and R.sup.1 are both lower alkyl of 1 to 4 carbon atoms.
- 3. A compound of claim 1 wherein R and R.sup.1 are phenyl.
- 4. The compound of claim 1 wherein R and R.sup.1 are methyl.
- 5. The compound of claim 1 wherein ##STR9## are formyl, acetyl, propionyl, butyryl, isobutyryl, valeryl, isovaleryl, 2-methyl butyryl, or benzoyl.
Parent Case Info
This application is a continuation in part of my earlier field copending U.S. Pat. applications Ser. No. 608,263 filed Aug. 27, 1975, now abandoned, Ser. No. 662,900 filed Mar. 1, 1976, now abandoned and Ser. No. 718,105 filed Aug. 27, 1976, now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
3498970 |
Yamada et al. |
Mar 1970 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
833006 |
Feb 1976 |
BEX |
Related Publications (2)
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Number |
Date |
Country |
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662900 |
Mar 1976 |
|
|
718105 |
Aug 1976 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
608263 |
Aug 1975 |
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