C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
402/130, 260/455
C07C 265/14 (2006.01) C07C 271/04 (2006.01) C07C 271/06 (2006.01) C07C 271/20 (2006.01) C08G 18/70 (2006.01) C08G 18/77 (2006.01)
Patent
CA 1297488
METHOD OF PREPARATION OF NOVEL 2-(ALKOXYMETHYL)-PENTANE- 1,5-DIISOCYANATES, 2-(ALKOXYMETHYL)-PENTANE-1,5-DIURETHANES, AND 2-(ALKOXYMETHYL)-PENTANE-1,5-DICARBAMIC ACID CHLORIDES AND THEIR USES Abstract of Disclosure This invention relates to novel 2-(alkoxymethyl)- pentane-1,5-diisocyanates, 2-(alkoxymethyl)-pentane-1,5- diurethanes, and 2-(alkoxymethyl)-pentane 1,5-dicarbamic acid chlorides having the structure: Image in which R is a straight chain or branched C1-C20-alkyl radical, a straight chain or branched C2-C20-alkenyl radical, a straight chain or branched C3-C20-oxaalkyl radical, an optionally substituted C5-C12-cycloalkyl radical, or an optionally substituted C7-C20-aralkyl radical and X is a -NCO-, -NH-CO2R1-, NHCO2R2- OR - NHCOCl-group whereby R1 and R2 can be the same or different and are a straight chain or branched C1-C20-alkyl radical or a C5-C12- cycloalkyl radical, as well as a process for their prepara- tion. The 2-(alkoxymethyl)-pentane-1,5-diurethanes or 2- - 46 - (alkoxymethyl)-pentane-1,5-dicarbamic acid chlorides are suited for the preparation of 2-(alkoxymethyl)-pentane-1,5- diisocyanates, which in turn are used for the preparation of plastics using the polyisocyanate addition polymerization process. - 47 -
547272
Merger Franz
Schwarz Wolfgang
Basf Aktiengesellschaft
Robic
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