There is provided novel agricultural chemicals, in particular herbicides. A ketone or oxime compound or a salt thereof of Formula (1): ##STR00001##
wherein B is a ring of any one of B-1, B-2, or B-3, Q is an oxygen atom, a sulfur atom, NOR.sup.7, etc., R.sup.6 is a hydrogen atom, C.sub.1-6 alkyl, etc., R.sup.7 is a hydrogen atom, C.sub.1-6 alkyl, etc., R.sup.8a, R.sup.8b, R.sup.9a, R.sup.9b, R.sup.10, R.sup.11, R.sup.12, R.sup.13, and R.sup.14 are each independently a hydrogen atom, C.sub.1-6 alkyl, etc., m is an integer of 1 or 2, n is an integer of 0, 1 or 2; and a herbicide including the compound or salt thereof.

The present invention relates to novel tertiary alcohol derivatives substituted with aryl and trifluoromethyl, and optical isomers thereof. In addition, the present invention also relates to methods for the preparation and use as enantiomer recognition agent thereof. The present invention provides pharmaceutical composition and use as therapeutically active substance thereof.

The present invention relates to novel tertiary alcohol derivatives substituted with aryl and trifluoromethyl, and optical isomers thereof. In addition, the present invention also relates to methods for the preparation and use as enantiomer recognition agent thereof. The present invention provides pharmaceutical composition and use as therapeutically active substance thereof.

The present invention relates to novel tertiary alcohol derivatives substituted with aryl and trifluoromethyl, and optical isomers thereof. In addition, the present invention also relates to methods for the preparation and use as enantiomer recognition agent thereof. The present invention provides pharmaceutical composition and use as therapeutically active substance thereof.

The present invention relates to novel tertiary alcohol derivatives substituted with aryl and trifluoromethyl, and optical isomers thereof. In addition, the present invention also relates to methods for the preparation and use as enantiomer recognition agent thereof. The present invention provides pharmaceutical composition and use as therapeutically active substance thereof.

The present invention relates to spirocyclic acylguanidines and their use as inhibitors of the -secretase enzyme (BACE1) activity, pharmaceutical compositions containing the same, and methods of using the same as therapeutic agents in the treatment of neurodegenerative disorders, disorders characterized by cognitive decline, cognitive impairment, dementia and diseases characterized by production of -amyloid aggregates.

The present invention relates to spirocyclic acylguanidines and their use as inhibitors of the -secretase enzyme (BACE1) activity, pharmaceutical compositions containing the same, and methods of using the same as therapeutic agents in the treatment of neurodegenerative disorders, disorders characterized by cognitive decline, cognitive impairment, dementia and diseases characterized by production of -amyloid aggregates.

The present invention relates to compounds of formula (I):

##STR00001##

in which R1 is a hydrogen atom, a phenyl radical, or a straight or branched, saturated or unsaturated hydrocarbon radical having 1 to 8 carbon atoms.

The present invention relates to compounds of formula (I):

##STR00001##

in which R1 is a hydrogen atom, a phenyl radical, or a straight or branched, saturated or unsaturated hydrocarbon radical having 1 to 8 carbon atoms.

In some embodiments, the compositions and methods relate to compounds isolated from plants in the Salviniaceae family, pharmaceutical compositions comprising the same, and methods of using the same.