sulphone or (US) sulfone /sulˈfōn/

Any of a class of substances consisting of two organic radicals combined with SO₂

sulphonˈamide or (US) sulfonˈamide noun

An amide of a sulphonic acid, any of a group of drugs with antibacterial action

sulˈphonate or (US) sulˈfonate noun

A salt or ester derived from a sulphonic acid

1. To convert (esp an aliphatic or aromatic compound) into a sulphonic acid by treating with sulphuric acid
2. To introduce the sulphonic group, SO₂OH, into (an organic compound)

sulphonaˈtion or (US) sulfonaˈtion noun

sulˈphonyl or (US) sulˈfonyl noun

1. A bivalent sulphone group SO₂, also called sulphuryl
2. A compound containing this group

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