Thiol compounds, their production and use

Abstract

The present invention provides a compound represented by Formula:wherein ring A and ring B may be same or different and each is an optionally substituted homocyclic or heterocyclic ring and the like, each Rmay be same or different and is a hydrogen atom, an optionally substituted hydrocarbon group, an acyl group, an optionally substituted heterocyclic group or SR, etc., Xis a bond, an optionally substituted divalent Caliphatic hydrocarbon group or —NR—, etc, Xis a bond, an optionally substituted divalent Caliphatic hydrocarbon group, —NR—, —O— or —S(O)— (wherein p is 0, 1 or 2), each Y may be same or different and is a hydrogen atom, an optionally substituted hydrocarbon group, a halogen atom, a carboxyl group, an acyl group, an optionally substituted hydroxy group, an optionally substituted amino group, SR, an oxo group, a thioxo group, an optionally substituted imino group, a nitro group, a cyano group, etc., each m may be same or different and is 0 or 1, n is an integer of 1 to 3, qis an integer of 1 to 2n+4, qis an integer of 0 to 2n+3, and the sum of qand qis 2n+4 or a salt thereof.