Mechanism of living lactide polymerization by dinuclear indium catalysts and its impact on isoselectivity

I Yu, A Acosta-Ramirez… - Journal of the American …, 2012 - ACS Publications
A family of racemic and enantiopure indium complexes 1–11 bearing bulky chiral
diaminoaryloxy ligands, H (NNOR), were synthesized and fully characterized. Investigation …

Salen complexes of zirconium and hafnium: synthesis, structural characterization, controlled hydrolysis, and solvent-free ring-opening polymerization of cyclic esters …

TK Saha, V Ramkumar, D Chakraborty - Inorganic chemistry, 2011 - ACS Publications
Dinuclear salen compounds of zirconium and hafnium are efficient initiators for the solvent-
free ring-opening polymerization of cyclic ester monomers and lactides. There is a …

Magnesium and Calcium Complexes Containing Biphenyl-Based Tridentate Iminophenolate Ligands for Ring-Opening Polymerization of rac-Lactide

W Yi, H Ma - Inorganic Chemistry, 2013 - ACS Publications
A series of racemic 2-[(2′-methoxybiphenyl-2-ylimino) methyl]-4-R2-6-R1-phenols (L 1 HL
8 H) were reacted with {Mg [N (SiMe3) 2] 2} 2 and Ca [N (SiMe3) 2] 2· 2THF (THF …

Group 4 initiators for the stereoselective ROP of rac-β-butyrolactone and its copolymerization with rac-lactide

BJ Jeffery, EL Whitelaw, D Garcia-Vivo… - Chemical …, 2011 - pubs.rsc.org
Group 4 initiators for the stereoselective ROP of rac -β-butyrolactone and its copolymerization
with rac -lactide - Chemical Communications (RSC Publishing) DOI:10.1039/C1CC15265C …

Gallium and indium complexes containing the bis (imino) phenoxide ligand: synthesis, structural characterization and polymerization studies

S Ghosh, RR Gowda, R Jagan, D Chakraborty - Dalton transactions, 2015 - pubs.rsc.org
A series of gallium and indium complexes containing a bis (imino) phenolate ligand
framework were synthesized and completely characterized with different spectroscopic …

Synthesis and structural characterization of titanium and zirconium complexes containing half-salen ligands as catalysts for polymerization reactions

M Mandal, U Monkowius, D Chakraborty - New Journal of Chemistry, 2016 - pubs.rsc.org
Complexes 1–7 were synthesized from tridentate half-salen ligands in good yields and
purity. They were characterized by various spectroscopic techniques, elemental analyses …

Chiral Group 4 cyclopentadienyl complexes and their use in polymerization of lactide monomers

ZR Turner, JC Buffet, D O'Hare - Organometallics, 2014 - ACS Publications
A family of group 4 alkoxide and aryloxide complexes of a chiral cyclopentadienyl-derived
(hydro) permethylpentalenyl ligand (C8Me6H; Pn*(H)) have been prepared and fully …

Imino phenoxide complexes of group 4 metals: Synthesis, structural characterization and polymerization studies

TK Saha, M Mandal, D Chakraborty… - New Journal of …, 2013 - pubs.rsc.org
A complete library of new alkoxides containing group 4 metals and the imino phenol ligand
were synthesized in high yields and purity. These compounds showed catalytic activity …

Synthesis, characterization, and lactide polymerization activity of group 4 metal complexes containing two bis (phenolate) ligands

A Sauer, JC Buffet, TP Spaniol, H Nagae… - Inorganic …, 2012 - ACS Publications
A series of group 4 metal complexes Zr-(1) 2, Zr-(2) 2, Zr-(3) 2, Zr-(4) 2, Zr-(5) 2, Hf-(1) 2, and
Hf-(4) 2 containing two bridged bis (phenolate) ligands of the (OSSO)-type were prepared by …

Group 1 salts of the imino (phenoxide) scaffold: Synthesis, structural characterization and studies as catalysts towards the bulk ring opening polymerization of lactides

S Ghosh, D Chakraborty, B Varghese - European Polymer Journal, 2015 - Elsevier
A series of lithium, sodium and potassium salts containing various iminophenoxide ligand
scaffolds have been successfully synthesized in high yields and purity. These complexes …