Organic Letters
Organic Letters
5 years ago

Aerobic Dimerization of Ethyl 4-Thienyl-3-ketobutanoate toward a Modifiable Photochromic Diarylethene Precursor

Aerobic Dimerization of Ethyl 4-Thienyl-3-ketobutanoate toward a Modifiable Photochromic Diarylethene Precursor
Vadim V. Kachala, Anna M. Yanina, Andrey G. Lvov, Valerii Z. Shirinian, Nikita A. Milevsky
A unique chemical transformation, the base-induced aerobic dimerization of ethyl 4-(2,5-dimethylthiophen-3-yl)-3-ketobutanoate leading to photochromic diarylethene with a 4-hydroxy-4-methylcyclopent-2-ene-1-one as an ethene bridge, is described. This compound is easily subjected to various chemical modifications and can be used as a new diarylethene precursor to produce photoactive compounds with desired properties and functions.

Publisher URL: http://dx.doi.org/10.1021/acs.orglett.7b02143

DOI: 10.1021/acs.orglett.7b02143

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