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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1021/acs.organomet.9b00425
|2 doi
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|a pubmed25n1061.xml
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|a (NLM)33299263
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Nakashige, Mika L
|e verfasserin
|4 aut
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| 245 |
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|a E-Selective Synthesis and Coordination Chemistry of Pyridine-Phosphaalkenes
|b Five Ligands Produce Four Distinct Types of Ru(II) Complexes
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 01.01.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Pyridine-phosphaalkene (PN) ligands 2a-e were prepared in an E-selective fashion using phospha-Wittig methodology. Treatment of these five ligands, varying only in their 6-substituent with RuCl2(PPh3)3, produced four distinct types of coordination complexes: pyridine-phosphaalkene-derived 3b,d, cyclized 4e, and six-coordinate 5a and 6c. Prolonged heating of 3b,d in THF resulted in C-H activation of the Mes* group and cyclization to give 4b,d featuring a bidentate pyridine-phospholane ligand bound to the metal center. Complex 5a, also possessing a newly formed phospholane ring, contained a different spatial arrangement of donors to Ru(II) with an agostic Ru-H-C interaction serving as the sixth donor to the transition metal center. Ligands 2b,d,e and Ru(II) complexes 3b, 4b,e and 5a were all characterized by X-ray crystallography. Six-coordinate 6c featured a structure similar to 4b,d,e, but with the CF3 substituent acting as a weakly bound sixth ligand to the Ru(II) center, as observed by 31P{1H} and19F NMR spectroscopy. The calculated structure of 6c established that the closest Ru- - -F contact was at 2.978 Å
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|a Journal Article
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1 |
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|a Loristo, Jarin I P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wong, Lesley S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gurr, Joshua R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a O'Donnell, Timothy J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yoshida, Wesley Y
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rheingold, Arnold L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hughes, Russell P
|e verfasserin
|4 aut
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| 700 |
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|a Cain, Matthew F
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Organometallics
|d 1998
|g 38(2019), 17 vom: 09. Sept., Seite 3338-3348
|w (DE-627)NLM098167103
|x 0276-7333
|7 nnas
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| 773 |
1 |
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|g volume:38
|g year:2019
|g number:17
|g day:09
|g month:09
|g pages:3338-3348
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|u http://dx.doi.org/10.1021/acs.organomet.9b00425
|3 Volltext
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