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Miyoshi N, Miyoshi A, Miyazaki Y, Kubo S, Ueno M. Practical method for hydroxyl-group protection using strontium metal and readily available silyl chlorides. Chem Commun (Camb) 2022; 58:6312-6315. [PMID: 35522074 DOI: 10.1039/d2cc01105k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have found that the etherification of silyl-protected secondary alcohols proceeds smoothly in the presence of strontium metal using silyl chloride instead of the expensive, yet more reactive, and commonly used silyl triflate. The reaction occurred almost completely with various alcohols.
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Affiliation(s)
- Norikazu Miyoshi
- Department of Natural Science, Graduate School of Advanced Technology and Science, Tokushima University, 2-1 Minami-jousanjima, Tokushima 770-8506, Japan. .,Department of Chemistry, Faculty of Integrated Arts and Sciences, Tokushima University, 1-1 Minami-jousanjima, Tokushima 770-8502, Japan
| | - Aki Miyoshi
- Department of Natural Science, Graduate School of Advanced Technology and Science, Tokushima University, 2-1 Minami-jousanjima, Tokushima 770-8506, Japan.
| | - Yasuaki Miyazaki
- Department of Chemistry, Faculty of Integrated Arts and Sciences, Tokushima University, 1-1 Minami-jousanjima, Tokushima 770-8502, Japan
| | - Shigeki Kubo
- Department of Chemistry, Faculty of Integrated Arts and Sciences, Tokushima University, 1-1 Minami-jousanjima, Tokushima 770-8502, Japan
| | - Masaharu Ueno
- Department of Natural Science, Graduate School of Advanced Technology and Science, Tokushima University, 2-1 Minami-jousanjima, Tokushima 770-8506, Japan. .,Department of Chemistry, Faculty of Integrated Arts and Sciences, Tokushima University, 1-1 Minami-jousanjima, Tokushima 770-8502, Japan
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Delouche T, Caytan E, Quinton C, Roisnel T, Cordier M, Dorcet V, Hissler M, Bouit PA. Taking Advantage of Ortho- and Peri-Substitution to Design Nine-Membered P,O,Si-heterocycles*. Chemistry 2021; 27:11391-11397. [PMID: 34057246 DOI: 10.1002/chem.202101184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Indexed: 11/09/2022]
Abstract
A family of cyclic phosphine-disiloxane featuring peri-substituted naphthyl(Nap)/acenaphthyl(Ace) scaffolds has been prepared and fully characterized including X-ray structure, which enables a detailed structural analysis. This straightforward synthesis takes advantage of both ortho- and peri-substitution of Nap/Ace-substituted phosphine oxides. The synthetic method allows diversifying the polycyclic aromatic platform (Nap and Ace) as well as the Si substituents (Me and Ph). Despite a strong steric congestion, the P-atom remains reactive toward oxidation or coordination. In particular, Au(I) complex could be prepared. All the compounds display absorption/luminescence in the UV-Vis range. Surprisingly, the P-trivalent derivatives display unexpected luminescence in the green in solid-state.
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Affiliation(s)
- Thomas Delouche
- CNRS, ISCR - UMR 6226, University of Rennes, 35000, Rennes, France
| | - Elsa Caytan
- CNRS, ISCR - UMR 6226, University of Rennes, 35000, Rennes, France
| | | | - Thierry Roisnel
- CNRS, ISCR - UMR 6226, University of Rennes, 35000, Rennes, France
| | - Marie Cordier
- CNRS, ISCR - UMR 6226, University of Rennes, 35000, Rennes, France
| | - Vincent Dorcet
- CNRS, ISCR - UMR 6226, University of Rennes, 35000, Rennes, France
| | - Muriel Hissler
- CNRS, ISCR - UMR 6226, University of Rennes, 35000, Rennes, France
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Holsten S, Malaspina LA, Kleemiss F, Mebs S, Hupf E, Grabowsky S, Beckmann J. Different Reactivities of (5-Ph2P-Ace-6-)2MeSiH toward the Rhodium(I) Chlorides [(C2H4)2RhCl]2 and [(CO)2RhCl]2. Hirshfeld Atom Refinement of a Rh–H···Si Interaction. Organometallics 2021. [DOI: 10.1021/acs.organomet.0c00804] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Sebastian Holsten
- Institut für Anorganische Chemie und Kristallographie, Universität Bremen, Leobener Straße 7, 28359 Bremen, Germany
| | - Lorraine A. Malaspina
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern, Freiestrasse 3, 3012 Bern, Switzerland
| | - Florian Kleemiss
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern, Freiestrasse 3, 3012 Bern, Switzerland
| | - Stefan Mebs
- Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany
| | - Emanuel Hupf
- Institut für Anorganische Chemie und Kristallographie, Universität Bremen, Leobener Straße 7, 28359 Bremen, Germany
| | - Simon Grabowsky
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern, Freiestrasse 3, 3012 Bern, Switzerland
| | - Jens Beckmann
- Institut für Anorganische Chemie und Kristallographie, Universität Bremen, Leobener Straße 7, 28359 Bremen, Germany
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