Process for preparing a thioether compound

Details Process for preparing a thioether compound Process for preparing a thioether compound

1997-03-27

1998-02-17

McKane, Joseph

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

5483664, 5483671, 560 17, 562427, 562562, 564162, C07D23114, C07D24912

Patent

active

057192928

ABSTRACT:
The invention provides a process for preparing a coupler compound having a thioether group at the coupling site comprising reacting in the presence of a base (a) a coupler compound having at least one hydrogen at the coupling site with (b) a mixed disulfide comprising either a tetrazole group or an oxadiazole group linked to one sulfur atom and an alkyl or aryl group linked to the other sulfur atom.

REFERENCES:
patent: 4293691 (1981-10-01), Furutachi et al.
patent: 4556630 (1985-12-01), Furutachi et al.
patent: 4853319 (1989-08-01), Krishnamurthy et al.
patent: 4912024 (1990-03-01), Michno et al.
patent: 5151343 (1992-09-01), Begley et al.

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