Method of preparation of novel 2-(alkoxymethyl)-pentane-1,5-diis

Details Method of preparation of novel 2-(alkoxymethyl)-pentane-1,5-diis Method of preparation of novel 2-(alkoxymethyl)-pentane-1,5-diis

1987-09-16

1988-05-31

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 68, 560158, 560345, 560357, 564508, C08G 1877

Patent

active

047482265

ABSTRACT:
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: ##STR1## in which R is a straight chain or branched C.sub.1 -C.sub.20 -alkyl radical, a straight chain or branched C.sub.2 -C.sub.20 -alkenyl radical, a straight chain or branched C.sub.3 -C.sub.20 -oxaalkyl radical, an optionally substituted C.sub.5 -C.sub.12 -cycloalkyl radical, or an optionally substituted C.sub.7 -C.sub.20 -aralkyl radical and X is a --NCO--, --NH--CO.sub.2 R.sup.1 --, --NHCO.sub.2 R.sup.2 -- OR - NHCOCl-group whereby R.sup.1 and R.sup.2 can be the same or different and are a straight chain or branched C.sub.1 -C.sub.20 -alkyl radical or a C.sub.5 -C.sub.12 cycloalkyl radical, as well as a process for their preparation. The 2-(alkoxymethyl)-pentane-1,5-diurethanes or 2- (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.

REFERENCES:
patent: 3691225 (1972-09-01), Kamal et al.

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