Claims
- 1. A compound of the formula ##STR5## wherein R.sub.9 is hydrogen or lower alkyl and R.sub.3 is selected from the group consisting of ##STR6## wherein R.sub.4 is selected from the group consisting of hydrogen, lower alkyl, lower alkoxy, halo and nitro and ##STR7## wherein R.sub.5, R.sub.6 and R.sub.7 are lower alkyl.
- 2. A compound of the formula ##STR8## wherein R.sub.9 is hydrogen or lower alkyl and R.sub.3 is selected from the group consisting of ##STR9## wherein R.sub.4 is selected from the group consisting of hydrogen, lower alkyl, lower alkoxy, halo and nitro, and ##STR10## wherein R.sub.5, R.sub.6 and R.sub.7 are lower alkyl.
- 3. The compound of claim 1 wherein R.sub.3 is ##STR11## R.sub.9 is methyl.
- 4. The compound of claim 2 wherein R.sub.3 is ##STR12## R.sub.9 is methyl.
Parent Case Info
This is a division of application Ser. No. 743,887 filed Nov. 22, 1976 now U.S. Pat. No. 4,096,321, issued June 20, 1972.
Non-Patent Literature Citations (3)
Entry |
sasaki, K., et al., J. Antibiotics, 25,151 (1972). |
Haneishi, T., et al., J. Antibiotics, 24,797 (1971). |
Chem. Abstract, Cit., vol. 74, 139557h (1971). |
Divisions (1)
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Number |
Date |
Country |
Parent |
743887 |
Nov 1976 |
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