187.

Hinsberg Sulfone Synthesis

O. Hinsberg, Ber. 27, 3259 (1894); 28, 1315 (1895).

Formation of sulfonylquinol derivatives by addition of quinones to cold dilute aqueous solutions of sulfinic acids:

R. M. Scribner, J. Org. Chem. 31, 3671 (1966); H. Ulrich et al., Houben-Weyl 7/3a, 661 (1977). Cf. Thiele Reaction.