Uranium(IV) imidazolin-2-iminato complexes: A new class of actinide complexes

TY - JOUR

T1 - Uranium(IV) imidazolin-2-iminato complexes

T2 - A new class of actinide complexes

AU - Karmel, Isabell S.R.

AU - Botoshansky, Mark

AU - Tamm, Matthias

AU - Eisen, Moris S.

PY - 2014/1/21

Y1 - 2014/1/21

N2 - Acid-base reactions between imidazolin-2-imines (ImRNH) and [U(NMeEt)4] selectively afforded uranium(IV) imidazolin-2-iminato complexes of the type [U(NImtBu)4] (1), [U(NIm Mes)3(NMeEt)] (2), and [U(NImDipp) 2(NMeEt)2] (3) depending on the steric demand of the substituents in the 1 and 3 positions of the imidazole heterocycle (R = tBu, Mes, Dipp). This new class of actinide complexes displays short U-N bonds and nearly linear U-N-C bond angles, suggesting a U-N bond order higher than 1, as well as extraordinarily high catalytic activity in the polymerization of ε-caprolactone.

AB - Acid-base reactions between imidazolin-2-imines (ImRNH) and [U(NMeEt)4] selectively afforded uranium(IV) imidazolin-2-iminato complexes of the type [U(NImtBu)4] (1), [U(NIm Mes)3(NMeEt)] (2), and [U(NImDipp) 2(NMeEt)2] (3) depending on the steric demand of the substituents in the 1 and 3 positions of the imidazole heterocycle (R = tBu, Mes, Dipp). This new class of actinide complexes displays short U-N bonds and nearly linear U-N-C bond angles, suggesting a U-N bond order higher than 1, as well as extraordinarily high catalytic activity in the polymerization of ε-caprolactone.

UR - http://www.scopus.com/inward/record.url?scp=84892720278&partnerID=8YFLogxK

U2 - 10.1021/ic402806x

DO - 10.1021/ic402806x

M3 - 文章

AN - SCOPUS:84892720278

SN - 0020-1669

VL - 53

SP - 694

EP - 696

JO - Inorganic Chemistry

JF - Inorganic Chemistry

IS - 2

ER -