This refers to [N - (silyl trisustituido) methyl] tiocarboxamida carboxamide fungicides or its derivative, its Preparation Process and Intermediate compounds for their PreparationTheir use as fungicides, particularly in the form of fungicidal compositions and Methods for the control of phytopathogenic fungi of plants using these compounds or compositions.Claim 1: a compound of formula (1) wherein a represents a phenyl Group can be substituted with up to five groups heterociclilo R or a group United by CarboAre saturated or partially saturated, 6 membersCan be replaced with up to four groups R； T represents o or s； n is 0 OR 1； b represents a phenyl Ring can be replaced with up to 5 x groups may be the same or diDifferent； a Ring that can be substituted naphthyl groups with up to 7 x which can be identical or different tienilo； a Ring which can be substituted with groups that can be up to 3 x equalsS or different benzotiofenilo； or a Ring that can be replaced with up to 5 x groups may be the same or different； X represents a Halogen Atom； nitro； cyano； isonitrilo Hydroxy； am；INo； sulfanilo； l⁶ pentafluoro - formyloxy - sulfanilo Formilo formylamino；；；； (hydroxyimino) - alkyl substituted or non substituted c₁₋₈； (c₁₋₈ - alkoxy alkyl substituted imino c₁₋₈) or without (alqueni replace；Loxi c₂₋₈ - imino) - alkyl substituted or non substituted c₁₋₈； (alquiniloxi c₂₋₈ - imino) - alkyl substituted or non substituted c₁₋₈； (benciloxiimino) - alkyl substituted or non substituted carboxy c₁₋₈；； CarbamoylOr hidroxicarbamoilo； n - alkyl； carbamate； c₁₋₈ or replaced without replacing c₁₋₈； halógenoalquilo is 1 to 5 alquenilo Halogen Atoms； c₂₋₈ or replaced without replacing halógenoalquenilo c₂₋；₈ is 1 to 5 alquinilo Halogen Atoms； c₂₋₈ or replaced without replacing c₂₋₈； halógenoalquinilo is 1 to 5 c₁₋₈ alkoxy substituted Halogen Atoms； or without halógenoalcoxi replace；C₁₋₈ has 1 to 5 - alkyl Halogen Atoms； c₁₋₈ sulfanilo or replaced without replacing； halógenoalquil sulfanilo
