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8 Results Found

  • Feature Paper
  • Article
  • Open Access
4 Citations
3,833 Views
14 Pages

13 March 2020

Starting out from dipotassium 1,5-oligosiloxanylene diide 2, a 3,7,10-trioxa-octasilabicyclo[3.3.3]undecane was prepared, which represents the third known example of this cage structure type. Reaction of 1,3-dichlorotetramethyldisiloxane with 1,1&rsq...

  • Feature Paper
  • Article
  • Open Access
1 Citations
2,590 Views
15 Pages

Reactivity of N-Heterocyclic Stannylenes: Oxidative Addition of Chalcogen Elements to a Chiral NH-Sn System

  • Kerry R. Flanagan,
  • James D. Parish,
  • Gabriele Kociok-Köhn and
  • Andrew L. Johnson

The reactivity of the racemic N-heterocyclic stannylene [{MeHCN(tBu)}Sn] (1) with the chalcogenide elements O2, S, Se, and Te has been investigated. In the case of the reaction of 1 with molecular oxygen, the cyclic tristannoxane complex [{MeHCN(tBu)...

  • Article
  • Open Access
3 Citations
2,441 Views
18 Pages

Stannylenes and Germylenes Stabilized by Tetradentate Bis(amidine) Ligands with a Rigid Naphthalene Backbone

  • Alejandra Acuña,
  • Sonia Mallet-Ladeira,
  • Jean-Marc Sotiropoulos,
  • Eddy Maerten,
  • Alan R. Cabrera,
  • Antoine Baceiredo,
  • Tsuyoshi Kato,
  • René S. Rojas and
  • David Madec

9 January 2024

An unusual series of germylenes and stannylenes stabilized by new tetradentate bis(amidine) ligands RNC(R′)N-linker-NC(R′)NR with a rigid naphthalene backbone has been prepared by protonolysis reaction of Lappert’s metallylenes [M(H...

  • Article
  • Open Access
3 Citations
3,623 Views
18 Pages

N-O Ligand Supported Stannylenes: Preparation, Crystal, and Molecular Structures

  • Hannah S. I. Sullivan,
  • Andrew J. Straiton,
  • Gabriele Kociok-Köhn and
  • Andrew L. Johnson

A new series of tin(II) complexes (1, 2, 4, and 5) were successfully synthesized by employing hydroxy functionalized pyridine ligands, specifically 2-hydroxypyridine (hpH), 8-hydroxyquinoline (hqH), and 10-hydroxybenzo[h]quinoline (hbqH) as stabilizi...

  • Article
  • Open Access
10 Citations
10,345 Views
11 Pages

31 August 2005

The regioselective C-2-O-acrylation and metacrylation of methyl 4,6-O-benzylidene-α-D-glucopyranoside and methyl 4,6-O-benzylidene-α-D-galactopyranosidethrough their corresponding organotin intermediates have been studied. Regioselectivitywas achived...

  • Article
  • Open Access
2 Citations
4,406 Views
13 Pages

12 December 2017

Molecules containing catenated heavy group 14 atoms are known to exhibit the interesting property of σ-bond electron delocalization. While this is well studied for oligo- and polysilanes the current paper addresses the UV-absorption properties of sma...

  • Article
  • Open Access
1 Citations
763 Views
14 Pages

Ferrocenyl Substituted Stannanethione and Stannaneselone

  • Keisuke Iijima,
  • Koh Sugamata and
  • Takahiro Sasamori

30 June 2025

Heavier element analogues of a ketone, a C=O double-bond compound, have been fascinating compounds from the viewpoint of main-group element chemistry because of their unique structural features and reactivity as compared with those of a ketone, which...

  • Article
  • Open Access
8 Citations
5,500 Views
6 Pages

One-Pot Synthesis of Heavier Group 14 N-Heterocyclic Carbene Using Organosilicon Reductant

  • Ravindra K. Raut,
  • Sheikh Farhan Amin,
  • Padmini Sahoo,
  • Vikas Kumar and
  • Moumita Majumdar

Syntheses of heavier Group 14 analogues of “Arduengo-type” N-heterocyclic carbene majorly involved the use of conventional alkali metal-based reducing agents under harsh reaction conditions. The accompanied reductant-derived metal salts a...