Formation of thiophenethiols by flash vacuum pyrolysis of 1,6,6aλ4-trithiapentalenes
Abstract
The thermal behaviour of
1,6,6aλ4-trithiapentalene 3 and some
methyl-substituted derivatives 5–7 has been investigated using a
combination of flash vacuum pyrolysis (FVP), tandem mass spectrometry
(MS–MS) and matrix isolation IR spectroscopy. The main products of
the fragmentation (losses of CS and/or CH2![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
CS)
are shown to be thiophene-3-thiones (or the thiol tautomers) which are
also shown to be readily available by direct sulfuration of thiophenes
in chemical ionization (CS2 reagent gas) conditions.
CS)
are shown to be thiophene-3-thiones (or the thiol tautomers) which are
also shown to be readily available by direct sulfuration of thiophenes
in chemical ionization (CS2 reagent gas) conditions.
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