Claims
- 1. A compound of the formula ##STR47## where R.sub.1 +R.sub.2, taken together, can be ##STR48## where R.sub.6 =H or --CH.sub.3 ;
- R.sub.7 =H or --CH.sub.3 ;
- R.sub.8 =H or alkyl of 1-4 carbons;
- R.sub.9 =H or alkyl of 1-4 carbons; or
- R.sub.8 +R.sub.9, taken together, can be --(CH.sub.2).sub.4 --;
- provided
- (i) at least one of R.sub.6, R.sub.7, R.sub.8, or R.sub.9 =H; and
- (ii) the sum of the carbons of R.sub.6, R.sub.7, R.sub.8, and R.sub.9 is not more than 6; ##STR49## where R.sub.10 =H, --CH.sub.3, or --CH.sub.2 CH.sub.3 ;
- R.sub.11 =H, --CH.sub.3, or --CH.sub.2 CH.sub.3 ;
- R.sub.12 =H, --CH.sub.3, or --CH.sub.2 CH.sub.3 ; or
- R.sub.11, taken together with R.sub.10 or R.sub.12 can be --(CH.sub.2).sub.4 --;
- provided at least one of
- R.sub.10, R.sub.11, or R.sub.12 =H; or (c) --(CH.sub.2).sub.4 --;
- R.sub.a is CF.sub.3, CF.sub.2 Cl, or CF.sub.2 H; and
- R.sub.b is CF.sub.3, CF.sub.2 Cl, or CF.sub.2 H.
- 2. A compound of claim 1 where R.sub.1 and R.sub.2, taken together, are ##STR50## and R.sub.6, R.sub.7, and R.sub.8 are hydrogen.
- 3. A compound of claim 1 where R.sub.1 and R.sub.2, taken together, are ##STR51## and R.sub.10 and R.sub.11 are hydrogen.
- 4. A compound of claim 1 where R.sub.a and R.sub.b both are CF.sub.3.
- 5. A compound of claim 1 wherein Ra is CF.sub.3 and R.sub.b is CF.sub.3, CF.sub.2 Cl or CF.sub.2 H.
RELATED APPLICATION
This application is a continuation-in-part of copending application Ser. No. 793,712, filed May 6, 1977, now abandoned which in turn is a continuation-in-part of application Ser. No. 699,588, filed June 24, 1976, now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4058612 |
Neustadt |
Nov 1977 |
|
Foreign Referenced Citations (2)
Number |
Date |
Country |
1394373 |
May 1975 |
GBX |
1394374 |
May 1975 |
GBX |
Continuation in Parts (2)
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Number |
Date |
Country |
Parent |
793712 |
May 1977 |
|
Parent |
699588 |
Jun 1976 |
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