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Umpolung of Methylenephosphonium Ions in Their Manganese Half-Sandwich Complexes and Application to the Synthesis of Chiral Phosphorus-Containing Ligand Scaffoldsстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 12 июля 2019 г.
- Авторы: Valyaev Dmitry A., Filippov Oleg A., Lugan Noël, Lavigne Guy, Ustynyuk Nikolai A.
- Журнал: Angewandte Chemie - International Edition
- Том: 54
- Номер: 21
- Год издания: 2015
- Издательство: John Wiley & Sons Ltd.
- Местоположение издательства: United Kingdom
- Первая страница: 6315
- Последняя страница: 6319
- DOI: 10.1002/anie.201501256
- Аннотация: Half-sandwich manganese methylenephosphonium complexes [Cp(CO)2Mn(η2-R2P=C(H)Ph)]BF4 were obtained in high yield through a straightforward reaction sequence involving a classical Fischer-type manganese complex and a secondary phosphine as key starting materials. The addition of various nucleophiles (Nu) to these species took place regioselectively at the double-bonded carbon center of the coordinated methylenephosphonium ligand R2P+=C(H)Ph to produce the corresponding chiral phosphine complexes [Cp(CO)2Mn(κ1-R2P-C(H)(Ph)Nu)], from which the phosphines were ultimately recovered as free entities upon simple irradiation with visible light. The synthetic potential of this umpolung approach is illustrated herein by the preparation of novel chiral pincer-type phosphine–NHC–phosphine ligand architectures.
- Добавил в систему: Устынюк Николай Александрович