(5R)-4,5-DIHYDRO-ISOXAZOLE DERIVATIVES AS WELL AS 1-(2-CHLOROACETYL)-4-PIPERIDINE-CARBONITRILE AND -CARBOXAMIDE DERIVATIVES AS INTERMEDIATES IN THE PREPARATION OF E.G. 4-[4-[(5R)-4,5-DIHYDRO-ISOXAZOL-3-YL]-THIAZOL-2-YL]-PIPERIDINE DERIVATIVES AS FUNGICIDES FOR CROP PROTECTION