Catalysts for isocyanate cyclotrimerization

Y Guo, M Muuronen, F Lucas, RP Sijbesma… - …, 2023 - Wiley Online Library
The formation of isocyanurate via cyclotrimerization of isocyanates is widely reported to
provide a variety of polyurethane materials with improved chemical and physical properties …

Zinc catalyzed hydroelementation (HE; E= B, C, N, and O) of carbodiimides: Intermediates isolation and mechanistic insights

RK Sahoo, AG Patro, N Sarkar, S Nembenna - Organometallics, 2023 - ACS Publications
The conjugated bis-guanidinate (CBG) supported zinc hydride,[{LZnH} 2; L={(ArHN)(ArN)-
C═ N–C═(NAr)(NHAr); Ar= 2, 6-Et2-C6H3}](1)(pre)-catalyzed addition of E–H (E= B, C, N …

Flourishing reactivities of isocyanates and isothiocyanates using group 13 elements

S Pahar, A Górecka, E Richards, RL Melen - Cell Reports Physical Science, 2023 - cell.com
Due to the upswing in interest in the development of efficient hydroelementation reactions to
construct C–heteroatom bonds either stoichiometrically or catalytically, the activation of …

Tin guanidinato complexes: oxidative control of Sn, SnS, SnSe and SnTe thin film deposition

IY Ahmet, MS Hill, PR Raithby, AL Johnson - Dalton transactions, 2018 - pubs.rsc.org
A family of tin (II) guanidinate complexes of the general form [{RNC (NMe2) NR} 2Sn](R= iPr
(6), Cy (7), Tol (9) and Dipp (10)) and [{tBuNC (NMe2) NtBu} Sn {NMe2}](8) have been …

Cyclotrimerisation of isocyanates catalysed by low-coordinate Mn (II) and Fe (II) m-terphenyl complexes

HR Sharpe, AM Geer, HEL Williams… - Chemical …, 2017 - pubs.rsc.org
Cyclotrimerisation of isocyanates catalysed by low-coordinate Mn( ii ) and Fe( ii ) m -terphenyl
complexes - Chemical Communications (RSC Publishing) DOI:10.1039/C6CC07243G Royal …

Metal-free access of bulky N, N′-diarylcarbodiimides and their reduction: bulky N, N′-diarylformamidines

T Peddarao, A Baishya, MK Barman, A Kumar… - New Journal of …, 2016 - pubs.rsc.org
A metal-free synthesis of symmetrical and unsymmetrical bulky N, N′-diaryl carbodiimides
from the dehydrosulfurisation of their corresponding N, N′-diarylthiourea with 4 …

Synthesis and Reactivity of Acyclic Germanimines: Silyl Rearrangement and Cycloadditions

MJ Evans, FM Burke, PM Chapple… - Inorganic Chemistry, 2021 - ACS Publications
We report the synthesis of aromatic germanimines [(HMDS) 2Ge═ NAr](Ar= Ph, Mes, Dipp;
Mes= 2, 4, 6-Me3C6H2, Dipp= 2, 6-i Pr2C6H3) and an investigation into their associated …

Synthesis and characterization of guanidinate tin (ii) complexes for ring-opening polymerization of cyclic esters

T Ungpittagul, P Wongmahasirikun… - Dalton Transactions, 2020 - pubs.rsc.org
Novel homoleptic and heteroleptic (guanidinate) tin (II) complexes were successfully
synthesized and structurally characterized. The first heteroleptic (guanidinato) tin (II) …

Bulky guanidinate stabilized homoleptic magnesium, calcium and zinc complexes and their catalytic activity in the Tishchenko reaction

MK Barman, A Baishya, S Nembenna - Journal of Organometallic …, 2015 - Elsevier
Bulky guanidinate stabilized homoleptic complexes of [LM (thf) n L][L={ArNC (N i Pr 2)
NAr}(Ar= 2, 6-Me 2–C 6 H 3)]; M= Mg, Ca, and Zn; n= 0–1) have been synthesized with three …

Mechanistic investigation into the acetate-initiated catalytic trimerization of aliphatic isocyanates: A bicyclic ride

M Siebert, R Sure, P Deglmann, AC Closs… - The Journal of …, 2020 - ACS Publications
The acetate-initiated aliphatic isocyanate trimerization to isocyanurate was investigated by
state-of-the-art analytical and computational methods. Although the common …