Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus halides
Reexamination Certificate
2007-04-23
2009-12-15
Sullivan, Daniel M (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus halides
C562S818000, C568S008000
Reexamination Certificate
active
07632969
ABSTRACT:
The present invention relates to a process for the preparation of perfluoroalkylphosphines comprising at least the reaction of at least one fluoro(perfluoroalkyl)phosphorane with at least one hydride ion donor, and to the use of tris(perfluoroalkyl)phosphines as perfluoroalkylating reagents.
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patent: 2827285 (2003-01-01), None
Gilje et al., Preparation and nuclear magnetic resonance parameters of perfluoroalkyl-substituted phosphorus(V) hydrides, Journal of the Chemical Society, Chemical Communications, 1973, 813-814.
Kampa et al., The synthesis of tris(perfluoroalkyl)phosphanes, Angewandte Chemie, International Edition in English (1995), 34(11), 1241-1244.
Mahmood, et al., Comparative study of tris(trifluoromethyl)phosphine oxide, tris(nonafluorobutyl)phosphine oxide and fluorobis(nonafluorobutyl)phosphine oxide with ammonia and amines, Inorg. Chem, 1988; 27(17); 2913-2916.
Gilje, et al., Preparation and nuclear magnetic resonance parameters of perfluoroalkyl-substituted phosphorus(V) hydrides, Journal of the Chemical Society, Chemical Communications, 1973, 813-814.
Kampa, et al., The Synthesis of Tris(perfluoroalkyl)phosphanes, Angewandte Chemie, 1995, 34 (11), 1241-1244.
Heider Udo
Ignatyev Nikolai
Miller Alexej
Sartori Peter
Schmidt Michael
Merck Patent GmbH
Millen White Zelano & Branigan P.C.
Nwaonicha Chukwuma O
Sullivan Daniel M
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