Method for the manufacture of substituted phosphanes, and...

Details Method for the manufacture of substituted phosphanes, and... Method for the manufacture of substituted phosphanes, and...

2011-03-22

2011-03-22

Shiao, Rei-tsang (Department: 1628)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07910744

ABSTRACT:
The invention relates to a method for the manufacture of substituted phosphanes and substituted phosphanes manufactured according to the method. Phosphanes, phosphane oxides, sulfides or selenides are used as ligands in coordination compounds. They play a central role in controlling the activity and selectivity of catalysts. The object is achieved by the invention by synthesizing heterocyclic substituents on aromatic groups by introducing acetyl groups. In this manner, previously unknown representatives of the families of phosphanes, phosphane oxides, sulfides and selenides are made accessible.

REFERENCES:
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Chapoulaud v G et al: “Synthesis of 4-(2-diphenylphosphino-1-naphthyl)-2-pheny Iquinazoline; a potential P-N chelating ligand for asymmetric catalysis” Tetrahedron letters, Elsevier, Amsterdam, NL, vol. 40, No. 51. Dec. 17, 1999.
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