Oxazole amines as intermediates in the manufacture of insecticidal pyrroles

A compound having the structure of formula I ##STR25## wherein n is an integer of 1, 2, 3, 4, 5, 6, 7 or 8;

• R is C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 haloalkyl, COOR.sub.1, or phenyl;
• A is ##STR26## L is hydrogen or halogen;
• M and Q are each independently hydrogen, halogen CN, NO.sub.2, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulfinyl or when M and Q are on adjacent positions they may be taken together with the carbon atoms to which they are attached to form a ring in which MQ represents the structure
• --OCH.sub.2 O --, --OCF.sub.2 O -- or --CH.dbd.CH--CH.dbd.CH--;
• R.sub.1 is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 haloalkyl;
• R.sub.2, R.sub.3 and R.sub.4 are each independently hydrogen or halogen and
• Z is O or S;
• or
• the tautomers thereof.