Fluoro-containing 1-arylalkoxytris(dialkylamino)phosphonium salt

Details Fluoro-containing 1-arylalkoxytris(dialkylamino)phosphonium salt Fluoro-containing 1-arylalkoxytris(dialkylamino)phosphonium salt

1989-01-17

1990-10-30

Shen, Cecilia

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

Organic compounds

Phosphorus esters

558185, 558199, C07F 902

Patent

active

049669877

ABSTRACT:
1-Arylalkoxy-tris(dialkylamino)phosphonium salts of the formula I ##STR1## wherein the substituents R.sup.1 to R.sup.5 are equal or different and represent hydrogen, alkyl having from 1 to 6 carbon atoms which may be perfluorinated, halogen, alkoxy or alkylthio, each having from 1 to 6 carbon atoms, Y represents hydrogen or a perfluoroalkyl group C.sub.n F.sub.2n+1 having from 1 to 6 carbon atoms, X represents bromine or iodine and "Alkyl" represents an alkyl group of 1 to 3 carbon atoms, at most 3, preferably at most 2, of the groups R.sup.1 to R.sup.5 having a meaning other than hydrogen and the alkyl, alkoxy and alkylthio substituents attached to the aromatic nucleus altogether containing preferably at most 6 carbon atoms, in particular at most 4 carbon atoms.
The invention also relates to a process for the preparation of the afore-mentioned phosphonium salts and to the use of the compounds of the formula I for the preparation of aromatic compounds having partly fluorinated groups of the formula V ##STR2## in which R.sup.1 to R.sup.5, X and Y have the afore-mentioned meaning, X can however also be hydrogen.

REFERENCES:
P. Simon et al., Synthesis, 1979, 951-952.
Kruse et al., Chem Abst 112-77537u (1990).
P. G. Gassman et al., Tetrahedron Letts. 43, 5243-5246 (1985), esp. 5245, fin. 4.
Chem. Abs., 84:17337X, vol. 84, 1986, p. 471.
Chem. Abs., 84:16935D, vol. 84, 1976, p. 427.
Chem Abs., 93:204151e, vol. 93, 1980, p. 642.

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