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Sulfur, mercury, and boron adducts of sydnone imine derived anionic N-heterocyclic carbenes
The sydnone imines (5-benzoylimino)-3-(2-methoxyphenyl)-sydnone imine and molsidomine were deprotonated at C4 to give sydnone imine anions which can be represented as anionic N-heterocyclic carbenes, respectively. Trapping reactions with sulfur gave unstable sydnone imine sulfides which were stabili...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Royal Society of Chemistry
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9060589/ https://www.ncbi.nlm.nih.gov/pubmed/35514659 http://dx.doi.org/10.1039/c9ra00294d |
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author | Freese, Tyll Namyslo, Jan C. Nieger, Martin Schmidt, Andreas |
author_facet | Freese, Tyll Namyslo, Jan C. Nieger, Martin Schmidt, Andreas |
author_sort | Freese, Tyll |
collection | PubMed |
description | The sydnone imines (5-benzoylimino)-3-(2-methoxyphenyl)-sydnone imine and molsidomine were deprotonated at C4 to give sydnone imine anions which can be represented as anionic N-heterocyclic carbenes, respectively. Trapping reactions with sulfur gave unstable sydnone imine sulfides which were stabilized by the formation of methyl thioethers, methyl sulfoxides, gold complexes [(PPh(3))Au–S-sydnone imine] and a bis(ligand) mercury(ii) complex. The latter possesses a tetrahedral coordination of the mercury central atom to the sulfur atoms with the N6 nitrogen atoms coordinating as neutral ligands. Water converted the molsidomine anion into ethyl(2-morpholino-2-thioxoacetyl)carbamate. Mercury(ii)chloride and triphenylborane were employed to trap the sydnone imine carbenes as mercury complexes as well as BPh(3) adducts. |
format | Online Article Text |
id | pubmed-9060589 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | The Royal Society of Chemistry |
record_format | MEDLINE/PubMed |
spelling | pubmed-90605892022-05-04 Sulfur, mercury, and boron adducts of sydnone imine derived anionic N-heterocyclic carbenes Freese, Tyll Namyslo, Jan C. Nieger, Martin Schmidt, Andreas RSC Adv Chemistry The sydnone imines (5-benzoylimino)-3-(2-methoxyphenyl)-sydnone imine and molsidomine were deprotonated at C4 to give sydnone imine anions which can be represented as anionic N-heterocyclic carbenes, respectively. Trapping reactions with sulfur gave unstable sydnone imine sulfides which were stabilized by the formation of methyl thioethers, methyl sulfoxides, gold complexes [(PPh(3))Au–S-sydnone imine] and a bis(ligand) mercury(ii) complex. The latter possesses a tetrahedral coordination of the mercury central atom to the sulfur atoms with the N6 nitrogen atoms coordinating as neutral ligands. Water converted the molsidomine anion into ethyl(2-morpholino-2-thioxoacetyl)carbamate. Mercury(ii)chloride and triphenylborane were employed to trap the sydnone imine carbenes as mercury complexes as well as BPh(3) adducts. The Royal Society of Chemistry 2019-02-06 /pmc/articles/PMC9060589/ /pubmed/35514659 http://dx.doi.org/10.1039/c9ra00294d Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by/3.0/ |
spellingShingle | Chemistry Freese, Tyll Namyslo, Jan C. Nieger, Martin Schmidt, Andreas Sulfur, mercury, and boron adducts of sydnone imine derived anionic N-heterocyclic carbenes |
title | Sulfur, mercury, and boron adducts of sydnone imine derived anionic N-heterocyclic carbenes |
title_full | Sulfur, mercury, and boron adducts of sydnone imine derived anionic N-heterocyclic carbenes |
title_fullStr | Sulfur, mercury, and boron adducts of sydnone imine derived anionic N-heterocyclic carbenes |
title_full_unstemmed | Sulfur, mercury, and boron adducts of sydnone imine derived anionic N-heterocyclic carbenes |
title_short | Sulfur, mercury, and boron adducts of sydnone imine derived anionic N-heterocyclic carbenes |
title_sort | sulfur, mercury, and boron adducts of sydnone imine derived anionic n-heterocyclic carbenes |
topic | Chemistry |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9060589/ https://www.ncbi.nlm.nih.gov/pubmed/35514659 http://dx.doi.org/10.1039/c9ra00294d |
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