1,3-oxazoline compounds useful as anionic initiators suitable fo

Details 1,3-oxazoline compounds useful as anionic initiators suitable fo 1,3-oxazoline compounds useful as anionic initiators suitable fo

1990-09-19

1993-11-30

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546145, 558443, 560105, C07D26332

Patent

active

052667022

ABSTRACT:
Disclosed are reactive anionic initiators of the general formula [ArCHR.sub.1 R.sub.2 N(R.sub.3 R.sub.4 R.sub.5 R.sub.6 ] wherein Ar=phenyl, substituted phenyl, or a heterocyclic compound, R.sub.1 =R.sub.2 =H, ester, cyano, alkyl, aryl, 1,3-oxazoline, N,N-dimethyl amide and other similar alpha activating groups, or combination of them, or one of R.sub.1 or R.sub.2 together with Ar, where Ar is a phenyl or substituted phenyl, is a nitrogen atom containing heterocyclic compound and the other being a nitrile group, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 may be same or different and represent substituted alkyl, cycloalkyl, arylalkyl or aryl or to of the R.sub.3, R.sub.4, R.sub.5 and R.sub.6 together with nitrogen atom form a heterocycle with the condition that the sum of all carbon atoms of all R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is from 12 to 50 and no more than one of the R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is an aryl derivative. The initiators which are in the form of solids or liquids are insoluble and can be incorporated which enable the synthesis of a wide range of polymers with functional groups. These initiators are useful for polymerizing very reactive vinyl monomers such as nitrile bearing vinyl compounds.

REFERENCES:
patent: 4391814 (1983-07-01), Vorbruggen
patent: 4574157 (1986-03-01), Homann

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