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Thioketone
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<p>In <a href="/facts/Organic_chemistry/djxhxaNg">organic chemistry</a>, thioketones are <a href="/facts/Organosulfur_compound/sUxSSXwD">organosulfur compounds</a> related to conventional <a href="/facts/Ketone/BqQXpLo4">ketones</a> in which the oxygen has been replaced by a sulfur. Instead of a structure of R2C=O, thioketones have the structure R2C=S, which is reflected by the prefix "<a href="/facts/Thio-/kbBJGUaJ">thio-</a>" in the name of the functional group. Thus the simplest thioketone is <a href="/facts/Thioacetone/zB1zQTzD">thioacetone</a>, the sulfur analog of <a href="/facts/Acetone/cVyJxKqw">acetone</a>. Unhindered alkylthioketones typically tend to form <a href="/facts/Polymers/eF32E50K">polymers</a> or <a href="/facts/Cyclic_compound/TH2ReKIQ">rings</a>. </p>