The present invention provides a process for the preparation of Tipiracil HCl of Formula (I) and intermediate thereof with improved yields and purities.

##STR00001##

The present invention relates to novel heterocyclic compounds, to processes for preparation thereof and to the use thereof for controlling animal pests, which include arthropods and especially insects and acarids.

The present invention relates to novel heterocyclic compounds, to processes for preparation thereof and to the use thereof for controlling animal pests, which include arthropods and especially insects and acarids.

The invention relates to novel compounds of the formula (I)

##STR00001##

in which R.sup.1, R.sup.2, R.sup.3, n, V.sup.1, V.sup.2, W, X and Y have the meanings given in the description, a plurality of processes and intermediates for their preparation and their use as acaricides and/or insecticides and/or nematicides for controlling animal pests, for example in crop protection or in the field of animal health.

The invention relates to novel compounds of the formula (I)

##STR00001##

in which R.sup.1, R.sup.2, R.sup.3, n, V.sup.1, V.sup.2, W, X and Y have the meanings given in the description, a plurality of processes and intermediates for their preparation and their use as acaricides and/or insecticides and/or nematicides for controlling animal pests, for example in crop protection or in the field of animal health.

Described herein are cyclobutyl nucleoside analogs of Formula (I), pharmaceutical compositions that include one or more cyclobutyl nucleoside analogs and methods of using the same to treat HBV, HDV and/or HIV.

##STR00001##

Described herein are cyclobutyl nucleoside analogs of Formula (I), pharmaceutical compositions that include one or more cyclobutyl nucleoside analogs and methods of using the same to treat HBV, HDV and/or HIV.

##STR00001##

The present invention provides compounds of Formula (I):

##STR00001##

wherein all variables are as defined in the specification, and compositions comprising any of such novel compounds. These compounds are APJ agonists which may be used as medicaments.

The present disclosure relates to processes for preparing (cyclopentyl[d]pyrimidin-4-yl)piperazine compounds, and more particularly relates to processes for preparing (R)-4-(5-methyl-7-oxo-6,7-dihydro-5H-cyclopenta[d] pyrimidin-4-yl)piperazine and N-protected derivatives thereof, which may be used as an intermediate in the synthesis of Ipatasertib (i.e., (S)-2-(4-chlorophenyl)-1-(4-((5R,7R)-7-hydroxy-5-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)piperazin-1-yl)-3-(isopropylamino)-propan-1-one). The present disclosure additionally relates to various compounds that are intermediates employed in these processes.

The present disclosure relates to processes for preparing (cyclopentyl[d]pyrimidin-4-yl)piperazine compounds, and more particularly relates to processes for preparing (R)-4-(5-methyl-7-oxo-6,7-dihydro-5H-cyclopenta[d] pyrimidin-4-yl)piperazine and N-protected derivatives thereof, which may be used as an intermediate in the synthesis of Ipatasertib (i.e., (S)-2-(4-chlorophenyl)-1-(4-((5R,7R)-7-hydroxy-5-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)piperazin-1-yl)-3-(isopropylamino)-propan-1-one). The present disclosure additionally relates to various compounds that are intermediates employed in these processes.