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Your search keyword '"Osiński, Piotr W."' showing total 6 results
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6 results on '"Osiński, Piotr W."'

5. (−)-Menthyl ( SP, RS)-(2- p-tolyl­sulfinyl­ethyl)phenyl­phosphinate.

Author

Osiński, Piotr W., Saadi, Jakub, Ricken, Stefan, Schürmann, Markus, Preut, Hans, Pietrusiewicz, Michal, and Eilbracht, Peter

Subjects
*DIMETHYL sulfoxide, *PHYSICAL & theoretical chemistry, *ETHER (Anesthetic), *DIETHYL sulfate, *DIOXANE, *RECRYSTALLIZATION (Metallurgy), *METAL crystal growth
Abstract

The title compound, C25H35O3PS, is a chiral phosphinate containing five stereogenic centers, one at the P atom, one at the S atom and three in the (−)-menthyl group. The crystal packing reveals that mol­ecules are linked into chains along the a axis by inter­molecular C—H⋯O hydrogen-bonding inter­actions. [ABSTRACT FROM AUTHOR]

Published
2006
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6. 10-( tert-Butyl­dimethyl­silyl)-4,6-bis­(diphenyl­phosphino)phenoxazine.

Author

Haag, Rainer, Osiński, Piotr W., Schürmann, Markus, Preut, Hans, and Eilbracht, Peter

Subjects
*ORGANIC compounds, *LIGANDS (Chemistry), *MOLECULAR structure, *CHEMICAL structure, *PHYSICAL & theoretical chemistry
Abstract

The title compound, C42H41NOP2Si, used as a nixantphos-type ligand in homogeneous catalysis, crystallizes with one mol­ecule in the asymmetric unit. The mol­ecule has nearly mirror symmetry with N, O and Si on the pseudo-mirror plane, but it is not located on a crystallographic mirror plane. The most important feature of the mol­ecule is the intra­molecular P—P distance of 4.1453 (12) Å. The bond angles involving the P atoms are in the range 100.32 (14)–103.04 (15)°. [ABSTRACT FROM AUTHOR]

Published
2005
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