Hunter, Gordon A. published the artcileSynthesis of 3-hydroxythiophenes and thiophen-3(2H)-ones by pyrolysis of alkylsulfanylmethylene Meldrum’s acid derivatives, Name: Thiophen-3-ol, the publication is Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1995), 1209-14, database is CAplus.
3-Hydroxythiophene [thiophen-3(2H)-one] and a range of its 2-substituted, 2,2-disubstituted and 5-substituted derivatives have been made by flash vacuum pyrolysis (FVP) of an appropriate alkylsulfanylmethylene derivatives of Meldrum’s acid. These compounds are readily obtained, either by reaction of methoxymethylene Meldrum’s acid with alkylthiols in refluxing acetonitrile, or via the bis(methylsulfanyl) compound I by known procedures. The pyrolysis proceeds by a hydrogen-transfer-cyclization mechanism in which there is extensive loss of configuration of a chiral center at the reaction site. The NMR and mass spectra of the Meldrum’s acid precursors and the mass spectra of the 3-hydroxythiophenes [thiophen-3(2H)-ones] are briefly discussed.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry published new progress about 17236-59-8. 17236-59-8 belongs to alcohols-buliding-blocks, auxiliary class Thiophene,Alcohol, name is Thiophen-3-ol, and the molecular formula is C4H4OS, Name: Thiophen-3-ol.
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