(4aS,7S,7aR)-Nepetalactam and (4aS,7S,7aR)-2-[(3R,4R,4aR,7S,7aR)-octahydro-4,7-dimethyl-1-oxocyclopenta[c]pyran-3-yl]nepetalactam. Nitrogen analogs of nepetalactone and nepetalic .psi.-anhydride
(4aS,7S,7aR)-Nepetalactam and (4aS,7S,7aR)-2-[(3R,4R,4aR,7S,7aR)-octahydro-4,7-dimethyl-1-oxocyclopenta[c]pyran-3-yl]nepetalactam. Nitrogen analogs of nepetalactone and nepetalic .psi.-anhydride