Two phase process for the preparation of azole and azoline disul

Details Two phase process for the preparation of azole and azoline disul Two phase process for the preparation of azole and azoline disul

1978-12-18

1981-08-25

Rollins, Alton D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548125, 548142, 548165, 548182, 548213, 548221, 548226, 548229, 548243, 548329, 548337, 548166, C07D28508, C07D28512, C07D27774, C07D26358

Patent

active

042860962

ABSTRACT:
Azole and azoline disulfides useful as corrosion inhibitors and antiwear agents are prepared by the halogen-induced coupling of a thiol reactant e.g., hydrocarbyl mercaptans, with a metal azole thiolate, e.g. the potassium salt of 3,5-bis-mercapto 1,2,4-thiadiazole or 2,5-bis-mercapto 1,3,4-thiadiazole in a 2-phase reaction medium comprising a mixture of a hydrocarbon and water.

REFERENCES:
patent: 2963433 (1960-12-01), Little
patent: 2983716 (1961-05-01), Fields
Douglas, I., "Organic Sulfur Comp.", Pergamon Press, New York, 1961 (ed. N. Khanasch), p. 353.
Wagner & Zook, "Synthetic Organic Chemistry", 1958, p. 35.
Conant et al., J. Am. Chem. Soc., vol. 42, pp. 585-591, (1920).
Mann et al., J. Chem. Soc., (London), vol. 121, pp. 594, 601-602, (1922).

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