CPC C07D 207/416 (2013.01) [B01J 31/185 (2013.01); C07D 401/04 (2013.01); C07D 405/12 (2013.01); B01J 2231/348 (2013.01); B01J 2531/23 (2013.01)] | 7 Claims |
1. A compound of a formula:
wherein
R1 is selected from the group consisting of alkyl, cycloalkyl, alkenyl, and —CH2—R1 ,
wherein R1′ is selected from the group consisting of aryl, arylalkyl, and cycloalkyl, and
R1′ is optionally substituted at one or more positions with alkyl, halo, or alkoxy;
R2 is hydrogen or alkyl; and
R3 is hydrogen, alkyl, alkoxy, or halo.
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