Described herein is an unsaturated fluorinated compound of formula (I) where X is O or N; Y is F or H; Z is F or CF3; and A is F or CF3 wherein when X is O, then n is 1, Y is H, Z is F, A is F, and Rf is a linear or branched perfluorinated alkyl group comprising 1 to 10 carbon atoms and optionally comprising at least one catenated O or N; and when X is N, then n is 2 and each Rf group are (i) independently selected from a linear or branched perfluorinated alkyl group comprising 1 to 8 carbon atoms and optionally comprising at least one catenated O or N; or (ii) bonded together to form a ring structure comprising 4 to 8 carbon atoms and optionally comprising at least one catenated O or N with the proviso that when Z is CF.sub.3 then A is F and when A is CF.sub.3 then Z is F and methods of making and using the same. ##STR00001##

Described herein is an unsaturated fluorinated compound of formula (I) where X is O or N; Y is F or H; Z is F or CF3; and A is F or CF3 wherein when X is O, then n is 1, Y is H, Z is F, A is F, and Rf is a linear or branched perfluorinated alkyl group comprising 1 to 10 carbon atoms and optionally comprising at least one catenated O or N; and when X is N, then n is 2 and each Rf group are (i) independently selected from a linear or branched perfluorinated alkyl group comprising 1 to 8 carbon atoms and optionally comprising at least one catenated O or N; or (ii) bonded together to form a ring structure comprising 4 to 8 carbon atoms and optionally comprising at least one catenated O or N with the proviso that when Z is CF.sub.3 then A is F and when A is CF.sub.3 then Z is F and methods of making and using the same. ##STR00001##

A composition comprising an N.sup.2-phosphinylamidine chromium salt complex having Structure FNPACr I: ##STR00001## wherein CrX.sub.p is a chromium salt where X is a monoanion and p is an integer from 2 to 6. A process comprising a) contacting i) ethylene, and ii) a catalyst system comprising an N.sup.2-phosphinylamidine chromium salt complex having Structure FNPACr I: ##STR00002## wherein CrX.sub.p is a chromium salt where X is a monoanion and p is an integer from 2 to 6; and b) forming an oligomer product in a reaction zone.

A composition comprising an N.sup.2-phosphinylamidine chromium salt complex having Structure FNPACr I: ##STR00001## wherein CrX.sub.p is a chromium salt where X is a monoanion and p is an integer from 2 to 6. A process comprising a) contacting i) ethylene, and ii) a catalyst system comprising an N.sup.2-phosphinylamidine chromium salt complex having Structure FNPACr I: ##STR00002## wherein CrX.sub.p is a chromium salt where X is a monoanion and p is an integer from 2 to 6; and b) forming an oligomer product in a reaction zone.

A hydrofluoroolefin compound represented by the following general formula (I): where, Rh is CHCH.sub.2 or C(CH.sub.3)CH.sub.2; and (i) x is O; n is 1; Y is F; Rf.sub.2 is F; and Rf.sub.1 is a linear or branched fluorinated alkyl group having 1-10 carbon atoms and optionally includes one or more catenated heteroatoms selected from O, N, and S; or ({umlaut over ()}) x is N, n is 2, Y is F or CF.sub.3; Rf.sub.2 is F or CF.sub.3; and (a) each Rf.sub.1 is bonded to x, and is independently a linear or branched fluorinated alkyl group having 1-8 carbon atoms and optionally includes one or more catenated heteroatom selected from O, N or S; or (e) the Rf.sub.1 groups are bonded together to form a ring structure having 4 to 8 carbon atoms that optionally includes one or more catenated heteroatoms selected from O, N, or S; with the proviso that when YCF.sub.3, then Rf.sub.2F. ##STR00001##

A hydrofluoroolefin compound represented by the following general formula (I): where, Rh is CHCH.sub.2 or C(CH.sub.3)CH.sub.2; and (i) x is O; n is 1; Y is F; Rf.sub.2 is F; and Rf.sub.1 is a linear or branched fluorinated alkyl group having 1-10 carbon atoms and optionally includes one or more catenated heteroatoms selected from O, N, and S; or ({umlaut over ()}) x is N, n is 2, Y is F or CF.sub.3; Rf.sub.2 is F or CF.sub.3; and (a) each Rf.sub.1 is bonded to x, and is independently a linear or branched fluorinated alkyl group having 1-8 carbon atoms and optionally includes one or more catenated heteroatom selected from O, N or S; or (e) the Rf.sub.1 groups are bonded together to form a ring structure having 4 to 8 carbon atoms that optionally includes one or more catenated heteroatoms selected from O, N, or S; with the proviso that when YCF.sub.3, then Rf.sub.2F. ##STR00001##

A composition comprising an N.sup.2-phosphinylamidine chromium salt complex having Structure FNPACr I:

##STR00001## wherein CrX.sub.p is a chromium salt where X is a monoanion and p is an integer from 2 to 6. A process comprising a) contacting i) ethylene, and ii) a catalyst system comprising an N.sup.2-phosphinylamidine chromium salt complex having Structure FNPACr I:

##STR00002## wherein CrX.sub.p is a chromium salt where X is a monoanion and p is an integer from 2 to 6; and b) forming an oligomer product in a reaction zone.

A composition comprising an N.sup.2-phosphinylamidine chromium salt complex having Structure FNPACr I:

##STR00001## wherein CrX.sub.p is a chromium salt where X is a monoanion and p is an integer from 2 to 6. A process comprising a) contacting i) ethylene, and ii) a catalyst system comprising an N.sup.2-phosphinylamidine chromium salt complex having Structure FNPACr I:

##STR00002## wherein CrX.sub.p is a chromium salt where X is a monoanion and p is an integer from 2 to 6; and b) forming an oligomer product in a reaction zone.

Described herein is an unsaturated fluorinated compound of formula (I) where X is O or N; Y is F or H; Z is F or CF.sub.3; and A is F or CF.sub.3 wherein when X is O, then n is 1, Y is H, Z is F, A is F, and Rf is a linear or branched perfluorinated alkyl group comprising 1 to 10 carbon atoms and optionally comprising at least one catenated O or N; and when X is N, then n is 2 and each Rf group are (i) independently selected from a linear or branched perfluorinated alkyl group comprising 1 to 8 carbon atoms and optionally comprising at least one catenated O or N; or (ii) bonded together to form a ring structure comprising 4 to 8 carbon atoms and optionally comprising at least one catenated O or N with the proviso that when Z is CF.sub.3 then A is F and when A is CF.sub.3 then Z is F and methods of making and using the same.

##STR00001##

Described herein is an unsaturated fluorinated compound of formula (I) where X is O or N; Y is F or H; Z is F or CF.sub.3; and A is F or CF.sub.3 wherein when X is O, then n is 1, Y is H, Z is F, A is F, and Rf is a linear or branched perfluorinated alkyl group comprising 1 to 10 carbon atoms and optionally comprising at least one catenated O or N; and when X is N, then n is 2 and each Rf group are (i) independently selected from a linear or branched perfluorinated alkyl group comprising 1 to 8 carbon atoms and optionally comprising at least one catenated O or N; or (ii) bonded together to form a ring structure comprising 4 to 8 carbon atoms and optionally comprising at least one catenated O or N with the proviso that when Z is CF.sub.3 then A is F and when A is CF.sub.3 then Z is F and methods of making and using the same.

##STR00001##