Claims
- 1. A compound of the formula ##STR17## wherein the ring A is benzene or benzene substituted with halogen or nitro,
- R.sub.2 and R.sub.2 ' each independently represent hydrogen, lower alkyl, or phenyl,
- R.sub.3 and R.sub.3 ' each independently represent hydrogen, lower alkyl or lower alkoxy, and
- R.sub.1 and R.sub.1 ' each independently represent alkyl of 6 to 18 carbon atoms.
- 2. 3,3-bis-(indol-3-yl)-phthalides of the formula ##STR18## wherein R.sub.2 and R.sub.2 ' each independently represent hydrogen, lower alkyl, or phenyl,
- R.sub.3 and R.sub.3 ' each independently represent hydrogen, lower alkyl or lower alkoxy, and R.sub.1 and R.sub.1 ' each independently represent alkyl of 6 to 16 carbon atoms.
- 3. A compound according to claim 2, wherein R.sub.2 and R.sub.2 ' represent lower alkyl, and R.sub.3 and R.sub.3 ' represent hydrogen or lower alkoxy.
- 4. A compound according to claim 1 wherein the ring A is tetrachlorophenyl and R.sub.2 and R.sub.2 ' are hydrogen or methyl.
- 5. A compound according to claim 2, wherein R.sub.2 and R.sub.2 ' each are methyl, R.sub.3 and R.sub.3 ' each are hydrogen and R.sub.1 and R.sub.1 ' each are n-octyl.
- 6. A compound according to claim 2, wherein R.sub.2 and R.sub.2 ' each are methyl, R.sub.3 and R.sub.3 ' each are hydrogen and R.sub.1 and R.sub.1 ' each are n-hexyl.
- 7. A compound according to claim 1, wherein ring A is tetrachlorophenyl, R.sub.2 and R.sub.2 ' each are methyl, R.sub.3 and R.sub.3 ' each are hydrogen and R.sub.1 and R.sub.1 ' each are n-octyl.
- 8. A compound of the formula: ##STR19##
Priority Claims (2)
Number |
Date |
Country |
Kind |
17239/71 |
Nov 1971 |
CH |
|
14961/72 |
Oct 1972 |
CH |
|
Parent Case Info
This is a continuation of application Ser. No. 588,598, filed on Mar. 14, 1975, now abandoned, which in turn was a continuation of application Ser. No. 306,670 filed Nov. 15, 1972 (now abandoned).
US Referenced Citations (3)
Foreign Referenced Citations (1)
Number |
Date |
Country |
2,257,711 |
Nov 1972 |
DE |
Continuations (2)
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Number |
Date |
Country |
Parent |
558598 |
Mar 1975 |
|
Parent |
306670 |
Nov 1972 |
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