Process for preparing trithiocarbonic acid diesters

Details Process for preparing trithiocarbonic acid diesters Process for preparing trithiocarbonic acid diesters

1988-06-28

1989-09-19

Lee, Mary C.

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

Organic compounds

Esters having the thiocarboxylate group, -cx-, wherein the...

548170, 548152, C07C15300, C07D27762, C07D27760

Patent

active

048683221

ABSTRACT:
A new process is described for the preparation of trithiocarbonic acid esters of formula: ##STR1## in which R and R.sub.1, which can be the same or different, are aliphatic, alicyclic, aromatic or heterocyclic radicals. The new process is characterized in that an organic hydrosulphide and a base, or an inorganic sulphide, are reacted with carbon disulphide and an organic halide in stoichiometric proportions in the absence of organic solvents, in the presence of an aqueous phase and a phase transfer catalyst.

REFERENCES:
patent: 4341715 (1982-07-01), Parlman et al.
Chemical Abstracts, vol. 89, No. 25, Dec. 18, 1978, p. 563, No. 215082b, Columbus, Ohio, U.S.A.
Kirk-Othmer, Encyclopedia of Chemical Technology, 1979, 5, pp. 62-68.
Dehmlow et al., (Dehmlow), Phase Transfer Catalysis (Deerfield Beach, Fla., Verlag Chemie, 1980), p. 76.
Reid, Organic Chemistry of Bivalent Sulfur, vol. IV, Chem. Publishing Co., Inc., New York, 1962.
Smith, Catalysis in Organic Synthesis, Academic Press, Inc., New York, 1977, (Contribution by Regen).
"The Synthesis of Organic Trithiocarbonates", Godt and Wann, Journal of the American Chemical Society, Oct. 1961, vol. 26, pp. 2047-2051.

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