Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Thiazole-fused 3-sulfolenes 8 and 9 have been efficiently prepared from 4-bromo-3-sulfolanone 7 in one step. these 3-sulfolenes react as synthetic equivalents to o-dimethylene thiazoles. ... (b)Chou, TS; Chang, RC, J. Chem. Soc., Chem. Commun. in press.