Selective oxyalkylation of mercaptophenols

Details Selective oxyalkylation of mercaptophenols Selective oxyalkylation of mercaptophenols

1973-09-27

1976-02-17

Gotts, Lewis

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604488R, C07C14936

Patent

active

039392104

ABSTRACT:
Mercaptophenols are selectively oxyalkylated at the mercapto function by a two-step process comprising reacting the mercaptophenol with a silylating agent to form novel silylated mercaptophenol derivatives and thereafter oxyalkylating the phenolic mercapto function to the degree of oxyalkylation desired. Simple hydrolyzing of the resulting product breaks the silylation block forming a hydrolyzed oxyalkylated mercaptophenol.

REFERENCES:
patent: 2402878 (1946-06-01), Doumani
patent: 2530561 (1950-11-01), Arnold
J. F. W. McOmie, Protective Gr. in Or. Chem., June 6, 1973.
Cl, Moreau et F. Rouessac, Tetrahedron Letters No. 40, pp. 3527-3528, 1970.
E. Reimann, Tetrahedron Letters No. 47, pp. 4051-4053, 1970.
M. S. Malinovskii, Epoxides and Their Derivatives (1965) pp. 130-136.
J. F. W. McOmie, Protective Groups in Org. Chem. (1973) p. 157.
Nenitzescu et al., Ber., Vol. 68, pp. 587-590.

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