Organic phosphorus compounds complexed to boron, their preparati

Details Organic phosphorus compounds complexed to boron, their preparati Organic phosphorus compounds complexed to boron, their preparati

1989-12-28

1991-08-27

Ivy, C. Warren

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

Organic compounds

Phosphorus esters

558 81, 558 84, 558 85, C07F 902

Patent

active

050434659

ABSTRACT:
New organic phosphorus compounds, comprised of hetero-phosphacycloalkanes whose phosphorus atom forms a complex with a borane. They can be prepared by the action of a borane on a hetero-phosphacycloalkane, within a solvent, at temperatures ranging from -20.degree. to +60.degree. C. Their transformation into other derivatives, phosphinites or phosphines in particular, can be carried out without any modification in the chirality of the initial complex. An especially useful application is their conversion into highly optically active phosphines, used in particular as catalysts in various reactions.

REFERENCES:
Vaude Griend, "Structure-Basicity Relation . . . ", J. Am. Chem. Soc. 99(8) 2459-63 (1977).

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