Claims
- 1. A (+) enantiomer of a compound of formula I ##STR3## in which R.sup.1 is lower alkyl, and R.sup.2 and R.sup.3 each is hydrogen, lower alkyl or halo.
- 2. A (-) enantiomer of a compound of formula I ##STR4## in which R.sup.1 is lower alkyl, and R.sup.2 and R.sup.3 each is hydrogen, lower alkyl or halo.
- 3. (+)-1,8-Diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetic acid.
Parent Case Info
This is a continuation application of our co-pending application of our co-pending application U.S. Ser. No. 580,901, filed Feb. 16, 1984, now U.S. Pat. No. 4,544,757.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
4501899 |
Abraham et al. |
Feb 1985 |
|
4515961 |
Demerson et al. |
May 1985 |
|
4520203 |
Abraham et al. |
May 1985 |
|
Non-Patent Literature Citations (1)
Entry |
Demerson et al., J. Med. Chem. 1983, 26, 1778-1780. |
Continuations (1)
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Number |
Date |
Country |
Parent |
580901 |
Feb 1984 |
|