Silicon compounds with microbiocidal activity

Details Silicon compounds with microbiocidal activity Silicon compounds with microbiocidal activity

2004-09-08

2009-11-17

Pryor, Alton N (Department: 1616)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Silicon containing doai

C556S009000, C556S010000, C556S011000, C556S012000

Reexamination Certificate

active

07618952

ABSTRACT:
Fungicidal compounds of formula (I): where X is O or S; RING is phenyl or thienyl; Het is a 5- or 6-membered heterocyclic ring containing one to three heteroatoms, each independently selected from oxygen, nitrogen and sulphur, the ring being substituted by one to four groups R4; R1is hydrogen, optionally substituted (C1-4)alkyl, formyl, optionally substituted (C1-4)alkylC(═O), optionally substituted (C1-4)alkylC(═O)O, optionally substituted (C1-4)alkoxy(C1-4)alkyl, optionally substituted allyl, optionally substituted propargyl or optionally substituted allenyl; each R2is, independently, halogen, optionally substituted (C1-4)alkyl, optionally substituted (C1-4)alkoxy or optionally substituted (C1-4)alkoxy(C1-4)alkyl; R3is (CRaRb)m—Cy—(CRCRd)n—Y; each R4is, independently, selected from halogen, C1-3alkyl, C1-3haloalkyl, C1-3alkoxy(C1-3)alkyl and cyano; Ra, Rb, Rcand Rdare each, independently, hydrogen or optionally substituted (C1-4)alkyl; Cy is an optionally substituted carbocyclic or heterocyclic 3-7 membered ring which may be saturated, unsaturated or aromatic and which optionally contains a silicon atom as a ring member; (CRaRb)mand (CRcRd)nmay be bound either to the same carbon or silicon atom of Cy or to different atoms separated by 1, 2 or 3 ring members; Y is Si(OpZ1)(OqZ2)(OsZ) and provided that Cy contains a silicon atom as a ring member then Y may also be hydrogen; Z is C1-4alkyl or C2-4alkenyl (each of which is optionally interrupted by one heteroatom selected from O, S and N and is optionally substituted by one to three independently selected halogen atoms); Z1and Z2are, independently, methyl or ethyl; in and n are each, independently, 0, 1, 2 or 3; p, q and s are each, independently, 0 or 1; and r is 0, 1 or 2; or an N-oxide thereof; novel intermediates used in the preparation of these compounds, agrochemical compositions which comprise at least one of the novel compounds as active ingredient and the use of the active ingredients or compositions in agriculture or horticulture for controlling or preventing infestation of plants by phytopathogenic microorganisms, preferably fungi.

REFERENCES:
patent: 2006/0276434 (2006-12-01), Ehrenfreund et al.
patent: WO 98/52944 (1998-11-01), None

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