Sultone is a see also of organosulfur.

In context|chemistry|lang=en terms the difference between sultone and organosulfur

is that sultone is (chemistry) any cyclic ester of a hydroxy sulfonic acid; analogous to a lactone while organosulfur is (chemistry) describing any of a series of derivatives of sulfur that have at least one alkyl or aryl group, especially one containing at least one carbon-sulfur bond.

As a noun sultone

is (chemistry) any cyclic ester of a hydroxy sulfonic acid; analogous to a lactone.

As an adjective organosulfur is

(chemistry) describing any of a series of derivatives of sulfur that have at least one alkyl or aryl group, especially one containing at least one carbon-sulfur bond.