Li, Yuxiu; Li, Xiangqian; Li, Xiaowei; Shi, Dayong published an article in 2021. The article was titled 《Visible-light-promoted E-selective synthesis of α-fluoro-β-arylalkenyl sulfides via the deoxygenation/isomerization process》, and you may find the article in Chemical Communications (Cambridge, United Kingdom).Electric Literature of C4H3ClO2S2 The information in the text is summarized as follows:
Regioselective synthesis of α-fluoro-β-arylalkenyl sulfides (E/Z)-Ar(R1)C=C(F)SR (R = 4-ClC6H4, 2-naphthyl, 2-thienyl, etc.; R1 = H, CH3, C6H5; Ar = 4-BrC6H4, 2-naphthyl, quinolin-3-yl, etc.) has been established with gem-difluoroalkenes Ar(R1)C=C(F)2 and sodium sulfinates RS(O)2Na in a transition-metal-free manner. A series of control experiments was executed to demonstrate thiol radicals and anions as the proposed intermediates. Notably, regioselective Z → E isomerization was achieved under green light irradiation in the absence of a photoinitiator. In addition to this study using Thiophene-2-sulfonyl chloride, there are many other studies that have used Thiophene-2-sulfonyl chloride(cas: 16629-19-9Electric Literature of C4H3ClO2S2) was used in this study.
Thiophene-2-sulfonyl chloride(cas: 16629-19-9) is a member of sulfonyl chlorides. Sulfonyl chlorides are reactive sulfonic acid derivatives similar in properties and reactivity to acid chlorides of carboxylates. The sulfonic acid group, however, is a highly hindered molecule, containing a tetrahedral configuration of substituents. Electric Literature of C4H3ClO2S2
Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics