Process for the preparation of O-silylated hydroxyl compounds an

Details Process for the preparation of O-silylated hydroxyl compounds an Process for the preparation of O-silylated hydroxyl compounds an

1990-10-10

1992-08-25

Dees, Jose G.

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

Organic compounds

Silicon containing

549214, 556443, 556410, 560301, C07F 704, C07F 708

Patent

active

051420813

ABSTRACT:
This present invention relates to a process for the preparation of O-silylated aliphatic hydroxyl, compounds by the reaction of aliphatic hydroxyl compounds with triorganochlorosilanes and removal of the resulting gaseous hydrogen chloride from the reaction mixture, characterized in that the reaction is carried out in the presence of phase transfer catalysts in the absence of solvent.
The invention also relates to the use of the O-silylated hydroxyl compounds obtained by this process as starting materials for the preparation of isocyanates containing ester groups by a reaction with isocyanato carboxylic acid chlorides.

REFERENCES:
patent: 4207247 (1980-06-01), Knollmueller
patent: 4379766 (1983-03-01), Mack
Kashutina et al. Russ. Chem. Rev. 44,733, 1955.
Ialonde et al. Synthesis 1985, 817.
Langer et al. J. Org. Chem. 23,50 (1958).
Chemical Abstracts, vol. 96, 1982, p. 620, No. 6787r.
Chemical Abstracts, vol. 99, 1983, p. 649, No. 22784e.
M. V. Kashutina, S. L. Ioffe, and V. A. Tartakovskii, Russian Chemical Reviews, 44, 1975, pp. 733-747.
M. Lalonde, T. H. Chan., Synthesis 1985, pp. 817-845.
Houben-Weyl, Methoden der Organischen Chemie, vol. VI, pp. 739-741.
Houben-Weyl Methoden Der Organischen Chemie, vol. 13/5-p. 190.
Langer, Connell and Wender, Journal of Organic Chemistry, vol. 23, 1958, pp. 50-58.

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