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Preparation and Crystal Structure of 1,2-Bis(2,5-Dimethylthiophen-3-Yl)ethane-1,2-Dione
preprintsubmitted on 16.03.2019, 17:04 and posted on 18.03.2019, 16:52 by Paweł Pakulski, Dawid Pinkowicz
Preparation, crystal structure and 1H NMR spectrum of 1,2-bis(2,5-dimethylthiophen-3-yl)ethane-1,2-dione is reported. The title compound is a convenient starting material for the preparation of photochromic diarylethenes with various backbones.