2,2-dialkylpentane 1,5-diisocyanates, 2,2-dialkylpentane...

C - Chemistry – Metallurgy – 07 – C

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402/159, 403/44,

C07C 265/14 (2006.01) A01N 47/12 (2006.01) C07C 271/04 (2006.01) C07C 271/12 (2006.01) C08G 18/73 (2006.01) C09D 175/04 (2006.01)

Patent

CA 2036537

The invention relates to 2,2-dialkylpentane 1,5-diisocyanates, 2,2-dialkylpentane-1,5-diurethanes and 2,2-dialkylpentane-1,5-dicarbamoyl chlorides of the formula: Image where: R1 and R2 are identical or different linear C1- to C22-alkyl, branched C3- to C12-alkyl, branched C2- to C12-alkenyl or branched C4- to C12-alkenyl, or R1 and R2 together are alkylene having from 4 to 7 carbon atoms, which is unsubstituted or substituted by from 1 to 5 C1- to C4alkyl groups, and X is NCO, NH-CO2R3, NHC2R4 or NHCOCl, where R3 and R4 are identical or different and are linear C1- to C20-alkyl, branched C3- to C20-alkyl or C5- to C12-cycloalkyl. The 2,2-dialkylpentane-1,5-diurethanes of the above formula are useful as pesticides. Like the 2,2-dialkylpentane-1,5-dicarbamoyl chlorides also defined above, they are also useful for the preparation of the above 2,2-dialkylpentane 1,5-diisocyanates, which are themselves useful for the preparation of compact or cellular plastics by polyisocyanate polyaddition.

L'invention porte sur des 2,2-dialkylpentane-1,5-diisocyanates, des 2,2-dialkylpentane-1,5-diuréthanes et des chlorures de 2,2-dialkylpentane-1,5-dicarbamoyle de formule Image , où : R1 et R2 sont identiques ou différents, à savoir des alkyles C1- à C22 linéaires, des alkyles C3- à C12 ramifiés, des alcényles C2- à C12 ramifiés ou des alcényles C4- à C12 ramifiés, ou encore R1 et R2 forment ensemble un alkylène de 4 à 7 atomes de carbone, sans substitution ou avec substitution par 1 à 5 groupes alkyles C1- à C4, et X est NCO, NH-CO2R3, NHC2R4 ou NHCOCl, où R3 et R4 sont identiques ou différents, à savoir des alkyles C1- à C20 linéaires, des alkyles C3- à C20 ramifiés ou des cycloalkyles C5- à C12. Les 2,2-dialkylpentane-1,5-diuréthanes correspondant à la formule ci-dessus sont utiles comme pesticides. Tout comme les chlorures de 2,2-dialkylpentane-1,5-dicarbamoyle définis ci-dessus, ils sont eux aussi utiles pour la préparation des 2,2-dialkylpentane-1,5-diisocyanates, eux-mêmes utiles pour la préparation de matières plastiques compactes ou alvéolaires par polyaddition de polyisocyanates.

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