Thiadiazoles having general formula, in racemic form, isomerically pure, or mixtures thereof: wherein R, R 1, R 2, Y, n and m have the meanings specified hereunder: N° R R 1 R 2 Y n m 1 CH 3 H H 2,6-diCl-phenyl 1 1 2 CH 3 H H 2,6-diCl-phenyl 2 1 3 CH 3 H H 2,6-diF-phenyl 1 1 4 CH 3 H H 2,6-diF-phenyl 2 1 5 CH 3 H H 2-Cl-6-F-phenyl 1 1 6 CH 3 H H 2-Cl-6-F-phenyl 2 1 7 CH 3 H H 2,4-diCl-phenyl 1 1 8 CH 3 H H 2,4-diCl-phenyl 2 1 9 CH 3 H H 1-CH 3 -3-CF 3 -5-OCH 2 CF 3 -pyrazol-4-yl 1 1 10 CH 3 H H 1-CH 3 -3-CF 3 -5-OCH 2 CF 3 -pyrazol-4-yl 2 1 11 CH 3 H H 2-Cl-4,5-methyl-endioxy-phenyl 1 1 12 CH 3 H H 2-Cl-4,5-methyl-endioxy-phenyl 2 1 13 CH 3 H H 2,5-diCl-4-OEt-phenyl 1 1 14 CH 3 H H 2,5-diCl-4-OEt-phenyl 2 1 17 CH 3 H H 2-CH 3 -phenyl 1 1 18 CH 3 H H 2-CH 3 -phenyl 2 1 19 CH 3 H H 2,5-diCl-4-OMe-phenyl 1 1 20 CH 3 H H 2,5-diCl-4-OCF 2 CF 2 H -phenyl 2 1 21 CH 3 H H 2,5-diCl-4-OCF 2 CF 2 H -phenyl 1 1 22 CH 3 H H 2,5-diCl-4-OMe-phenyl 2 1 23 CH 3 H H 2,5-diCH 3 -phenyl 1 1 24 CH 3 H H 2,5-diCH 3 -phenyl 2 1 25 CH 3 H H 2,6-diOCH 3 -phenyl 1 1 26 CH 3 H H 2,6-diOCH 3 -phenyl 2 1 27 CH 3 H H 3-CF 3 -phenyl 1 1 28 CH 3 H H 2-CF 3 -phenyl 2 1 29 CH 3 H H 2,3,4,5,6-pentaF-phenyl 1 1 30 CH 3 H H 2,3,4,5,6-pentaF-phenyl 2 1 31 CH 3 H H 2-SO 2 Me-5-COCH 3 -6-Cl-phenyl 1 1 32 CH 3 H H 2-SO 2 Me-5-COCH 3 -6-Cl-phenyl 2 1 33 CH 3 H H 2,6-diCl-5-COCH 3 -phenyl 1 1 34 CH 3 H H 2,6-diCl-5-COCH 3 -phenyl 2 1 35 CH 3 H H 2-CH 3 -5-Br-thiazol-2-yl 1 1 36 CH 3 H H 2-CH 3 -5-Br-thiazol-2-yl 2 1 37 CH 3 H H 3-COOEt-furan-2-yl 1 1 38 CH 3 H H 3-COOEt-furan-2-yl 2 1 39 CH 3 H H 3- t Bu-isoxazol-2-yl 1 1 40 CH 3 H H 3- t Bu-isoxazol-2-yl 2 1 41 CH 3 H H 6-Cl-pyiridin-3-yl 1 1 42 CH 3 H H 6-Cl-pyridin-3-yl-N-oxide 2 1 43 CH 3 H H 6-Cl-pyridin-2-yl 1 1 44 CH 3 H H 6-Cl-pyridin-2-yl-N-oxide 2 1 45 CH 3 H H pyridin-3-yl 1 1 46 CH 3 H H pyridin-3-yl-N-oxide 2 1 47 CH 3 H H pyridin-2-yl 1 1 48 CH 3 H H pyridin-2-yl-N-oxide 2 1 49 CH 3 H CH 3 2,4-diCl-phenyl 1 1 50 CH 3 H CH 3 2,4-diCl-phenyl 2 1 51 CH 3 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 1 1 52 CH 3 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 2 1 53 CH 3 H H 1-CH 3 -3-CF 2 H-pyrazol-4-yl 1 1 54 CH 3 H H 1-CH 3 -3-CF 2 H-pyrazol-4-yl 2 1 55 CH 3 H H 4-F-phenyl 1 1 56 CH 3 H H 4-F-phenyl 2 1 57 CH 3 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 1 2 58 CH 3 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 2 2 59 CH 3 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 1 3 60 CH 3 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 2 3 63 CH 3 H CH 3 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 1 1 64 CH 3 H CH 3 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 2 1 65 CH 3 H CH 3 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 1 2 66 CH 3 H CH 3 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 2 2 67 CH 3 H C 3 H 5 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 1 1 68 CH 3 H C 3 H 5 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 2 1 69 CH 3 H H 2,6-diCl-phenyl 1 3 70 CH 3 H H 2,6-diCl-phenyl 2 3 71 CH 3 H H 2,6-diCl-phenyl 1 2 72 CH 3 H H 2,6-diCl-phenyl 2 2 75 CH 3 H CH 3 2,6-diCl-phenyl 1 1 76 CH 3 H CH 3 2,6-diCl-phenyl 2 1 77 CH 3 H CH 3 2,6-diCl-phenyl 1 2 78 CH 3 H CH 3 2,6-diCl-phenyl 2 2 79 CH 3 CH 3 CH 3 2,6-diCl-phenyl 1 1 80 CH 3 CH 3 CH 3 2,6-diCl-phenyl 2 1 81 CH 3 H C 3 H 5 2,6-diCl-phenyl 1 1 82 CH 3 H C 3 H 5 2,6-diCl-phenyl 2 1 83 C 2 H 5 H H 2,6-diCl-phenyl 1 1 84 C 2 H 5 H H 2,6-diCl-phenyl 2 1 85 C 3 H 5 H H 2,6-diCl-phenyl 1 1 86 C 3 H 5 H H 2,6-diCl-phenyl 2 1 87 C 6 H 11 H H 2,6-diCl-phenyl 1 1 88 C 6 H 11 H H 2,6-diCl-phenyl 2 1 89 C 6 H 11 CH 2 H H 2,6-diCl-phenyl 1 1 90 C 6 H 11 CH 2 H H 2,6-diCl-phenyl 2 1 91 C 3 H 5 CH 2 H H 2,6-diCl-phenyl 1 1 92 C 3 H 5 CH 2 H H 2,6-diCl-phenyl 2 1 93 CH 3 CH 3 CH 3 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 1 1 94 CH 3 CH 3 CH 3 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 2 1 95 C 2 H 5 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 1 1 96 C 2 H 5 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 2 1 97 C 3 H 5 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 1 1 98 C 3 H 5 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 2 1 99 C 6 H 11 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 1 1 100 C 6 H 11 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 2 1 101 C 6 H 11 CH 2 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 1 1 102 C 6 H 11 CH 2 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 2 1 103 C 3 H 5 CH 2 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 1 1 104 C 3 H 5 CH 2 H H 1-CH 3 -3-CF 3 -5-OCF 2 H-pyrazol-4-yl 2 1 105 CH 3 H H 2-CF 3 -4-F-phenyl 1 1 106 CH 3 H H 2-CF 3 -4-F-phenyl 2 1 107 CH 3 H H 2-CF 3 -5-F-phenyl 1 1 108 CH 3 H H 2-CF 3 -5-F-phenyl 2 1 109 CH 3 H H 2-CF 3 -6-F-phenyl 1 1 110 CH 3 H H 2-CF 3 -6-F-phenyl 2 1 111 CH 3 H H 5-CH 3 -1, 3, 4-thiadiazol-4-yl 1 1 112 CH 3 H H 5-CH 3 -1, 3, 4-thiadiazol-4-yl 2 1 113 CH 3 H H 2-CH 3 -4-CF 3 -1, 3-thiazol-5-yl 1 1 114 CH 3 H H 2-CH 3 -4-CF 3 -1, 3-thiazol-5-yl 2 1 115 CH 3 H H 1-CH 3 -3-CF 3 -5-Cl-pyrazol-4-yl 1 1 116 CH 3 H H 1-CH 3 -3-CF 3 -5-Cl-pyrazol-4-yl 2 1 117 i C 3 H 7 H H 2,6-diCl-phenyl 1 1 118 i C 3 H 7 H H 2,6-diCl-phenyl 2 1 119 i C 3 H 7 H H 2,5-diCl-4-OEt-phenyl 1 1 120 i C 3 H 7 H H 2,5-diCl-4-OEt-phenyl 2 1 121 C 2 H 5 H H 1-CH 3 -3-CF 3 -5-OCH 2 CF 3 -pyrazol-4-yl 1 1 122 C 2 H 5 H H 1-CH 3 -3-CF 3 -5-OCH 2 CF 3 -pyrazol-4-yl 2 1 123 Cl H H 1-CH 3 -3-CF 3 -5-OCH 2 CF 3 -pyrazol-4-yl 1 1 124 Cl H H 1-CH 3 -3-CF 3 -5-OCH 2 CF 3 -pyrazol-4-yl 2 1