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US 9,950,983 B2Granted
Tricyclic compounds and process for preparation thereof
AssigneeCouncil of Scientific and Industrial Research
InventorsDumbala Srinivasa Reddy, Kishor Laxman Handore
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Abstract
The present invention discloses tricyclic compounds of formula (I) or salt thereof and their process for synthesis. Further, the present invention relates to the use of these novel tricyclic compounds of formula (I) or salt thereof as insect repellents.
Claims9
A compound of formula (I)
- wherein
- R1, R3, and R4 are selected from the group consisting of hydrogen, alkyl (C1 to C2), COOH, COR, CONRR, CH2OR, and NRR;
- R2, R6, R7 and R8 are selected from group consisting of hydrogen, alkyl (C1 to C4), COOH, COR, CONRR, CH2OR, NRR;
- R5 is selected from group consisting of hydrogen, COOH, CONRR, CH2OR, and NRR;
- wherein any two of R1, R2, R3, R4, R5, R6, R7, R8 may form a 3 to 8 membered carbocyclic ring which may optionally be substituted or may contain a heteroatom selected from O or N;
- X is selected from C═O;
- C═S or C—R—R;
- R is hydrogen;
- ‘’ represents a single or double bond;
- either of the rings in formula (I) may additionally contain at least one carbonyl group or salt thereof.
7 more elements
Dependencies are inferred from the claim text.