Process for the preparation of bifunctional tertiary aromatic ph

Details Process for the preparation of bifunctional tertiary aromatic ph Process for the preparation of bifunctional tertiary aromatic ph

1986-09-09

1989-03-28

Shaver, Paul F.

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

Organic compounds

Phosphorus containing

C07F 902

Patent

active

048166057

ABSTRACT:
Tertiary aromatic phosphine oxides of the formula ##STR1## in which X=F, Cl or Br, are prepared by Friedel-Crafts reaction of (a) phenylthiophosphonic dichloride with fluoro-, chloro-or bromobenzene, or

REFERENCES:
patent: 3988368 (1976-10-01), Ura et al.
patent: 4101655 (1978-07-01), Sukman
patent: 4670601 (1987-06-01), Kleiner et al.
patent: 4675446 (1987-06-01), Weiss
Maier, L., Helv. Chim. Act 47, 120-132 (1964).
Aguiar et al, J. Org. Chem. 34, 3349-3352 (1969).

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