Frustrated Lewis-Pair Neighbors at the Xanthene Framework: Epimerization at Phosphorus and Cooperative Formation of Macrocyclic Adduct Structures.
boron
cooperative reactions
phospha-iminium
phosphorus
stereochemistry
Journal
Chemistry (Weinheim an der Bergstrasse, Germany)
ISSN: 1521-3765
Titre abrégé: Chemistry
Pays: Germany
ID NLM: 9513783
Informations de publication
Date de publication:
19 Aug 2021
19 Aug 2021
Historique:
received:
06
03
2021
pubmed:
3
6
2021
medline:
3
6
2021
entrez:
2
6
2021
Statut:
ppublish
Résumé
Attachment of a pair of P-stereogenic mesityl(alkynyl)phosphanyl groups at the 4- and 5-positions of a 9,9-dimethylxanthene framework gave mixtures of the respective rac- and meso-bisphosphanyl diastereoisomers. They slowly epimerized in a thermally induced reaction with Gibbs activation barriers of about 25 kcal mol
Identifiants
pubmed: 34076908
doi: 10.1002/chem.202100835
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
12104-12114Subventions
Organisme : Deutsche Forschungsgemeinschaft
Informations de copyright
© 2021 Wiley-VCH GmbH.
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