This invention relates to a method for preparing
3-halo-4,5-dihydro-1H-pyrazole compound of Formula (I), comprising
contacting with HX.sup.1 a different 4,5-dihydro-1H-pyrazole compound of
Formula (II), wherein X.sup.1 is halogen and L, R, k and X.sup.2 are as
defined in the disclosure. This invention also discloses preparation of
compounds of Formula (III) wherein X.sup.1, R.sup.3, R.sup.6, R.sup.7,
R.sup.8a, R.sup.8b, and n are as defined in the disclosure ##STR00001##