Manganese based complexes and uses thereof for homogeneous catalysis

A manganese complex represented by the structure of any of formula VI, VIA, VIB, VIC or their isomer or salt thereof:

• wherein
• L1 is (PRaRb), (NRaRb), imine;
• oxazoline, sulfide (SRa), sulfoxide (S(═O) Ra), heteroaryl containing at least one heteroatom selected from nitrogen and sulfur;
• (AsRaRb), (SbRaRb) or a N-heterocyclic carbene represented by the structures:
• L2 is (PRaRb), (NRaRb), imine;
• oxazoline, sulfide (SRa), sulfoxide (S(═O) Ra), heteroaryl containing at least one heteroatom selected from nitrogen and sulfur;
• (AsRaRb), (SbRaRb) or a N-heterocyclic carbene represented by the structures:
• L3 and L4 are each independently a mono-dentate two-electron donor selected from the group consisting of CO, PRaRbRc, P(ORa)(ORb)(ORc), NO+, AsRaRbRc, SbRaRbRc, NRaRbRc, SRaRb, nitrile (RCN), isonitrile (RNC), N2, PF3, CS, heteroaryl, tetrahydrothiophene, alkene, alkyne or L3 and L4 form together with the Mn a ring;
• L5 is absent or a mono-dentate two-electron donor selected from the group consisting of, CO, PRaRbRc, P(ORa)(ORb)(ORc), NO+, NRaRbRc, AsRaRbRc, SbRaRbRc, SRaRb, nitrile (RCN), isonitrile (RNC), N2, PF3, CS, heteroaryl, tetrahydrothiophene, alkene or alkyne;
• X is halide, OCOR, OCH2Q, OCOCF3, OSO2R, OSO2CF3, CN, OR, N(R)2 and RS, BF4, B(C6H5)4, B(C6F5)4, B[(C6H4)(CF3)2], PF6 or ClO4;
• X′ is H, halide, OCOR, OCH2Q, OCOCF3, OSO2R, OSO2CF3, CN, OR, N(R)2 or RS;
• Q is hydrogen, alkyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, alkylcycloalkyl, alkylaryl, alkylheterocyclyl or alkylheteroaryl;
• Y+is a cationic group bearing a single positive charge;
• R, RaRb and Rc are each independently H, alkyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, alkylcycloalkyl, alkylaryl, alkylheterocyclyl or alkylheteroaryl;
• Rj, Rk and Rl are each independently H, alkyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, alkylcycloalkyl, alkylaryl, alkylheterocyclyl or alkylheteroaryl;
• and
• Z is zero, one, two or three substituents wherein each such substituent is independently selected from the group consisting of alkyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, alkylcycloalkyl, alkylaryl, alkylheterocyclyl, alkylheteroaryl, halogen, nitro, amide, ester, cyano, alkoxy, alkylamino, arylamino, an inorganic support and a polymeric moiety.