Complexes of (ω-diphenylphosphinoalkyl)diphenylphosphine sulfides with silver nitrate in pyridine |
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| Authors: | E I Matrosov Z A Starikova A I Yanovsky D I Lobanoy I M Aladzheva O V Bykhovskaya T A Mastryukova M I Kabachnik |
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| Institution: | (1) A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 117813 Moscow, Russian Federation |
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| Abstract: | The behavior of the phosphine-phosphine sulfide complexes of silver, Ph2P(S)(CH2)
n
PPh2]
m
·AgNO3 (n=2 or 4;m=1 or 2), in pyridine was studied. Dissolution of the 1:1 complexes in pyridine leads to destruction of their dimeric structures
Ag2Ph2P(S)(CH2)
n
PPh2]2(NO3)2 (A) to form the complexes Agpy
+−P(Ph2)(CH2)
n
Ph2P=S and Agpy
+−S=PPh2(CH2)
n
PPh2. The solid complexes isolated from pyridine restore dimeric structure A. According to the data of X-ray diffraction analysis,
the 1:2 complex isolated from pyridine has the structure S=P(Ph2)(CH2)2(Ph2)P−(NO3)Ag(Py)−P(Ph2) (CH2)2(Ph2)P=S]Py. According to the data of IR spectroscopy, dissolution of this complex in chloroform leads to the formation of the
dimeric structure Ag2Ph2P(S)(CH2)2PPh2]4(NO3)2.
Deceased.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1751–1758, September, 1998. |
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| Keywords: | silver complexes phosphine-phosphine sulfides R spectra 31P·NMR spectra X-ray structural analysis |
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