Claims
- 1. A compound of the formula: ##STR21## wherein R.sub.1 is lower alkoxy, hydroxy, lower alkyl substituted or unsubstituted amino;
- the racemates and optical antipodes thereof.
- 2. The compound of claim 1 wherein R.sub.1 is hydroxy.
- 3. The compound of claim 1 wherein R.sub.1 is methoxy.
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part application of Ser. No. 536,139, filed Dec. 24, 1974, now abandoned.
US Referenced Citations (4)
Number |
Name |
Date |
Kind |
2436851 |
Businger |
Mar 1948 |
|
2489234 |
Goldberg et al. |
Nov 1949 |
|
2489236 |
Goldberg et al. |
Nov 1949 |
|
3740416 |
Gerecke et al. |
Jun 1973 |
|
Non-Patent Literature Citations (1)
Entry |
Safir et al., J. Org. Chem., 1947, vol. 12, pp. 475-482. |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
536139 |
Dec 1974 |
|