Novel Dithienylethenes with Extended pi-Systems: Synthesis by Aldol Condensation and Photochromic Properties

Altenhöner K, Lamm J-H, Mattay J (2010)
European Journal of Organic Chemistry 2010(31): 6033-6037.

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A facile and stereoselective route to symmetric it-extended dithienylethene derivatives is described. The key step of this route is an aldol condensation of 1,2-bis(5-formyl-2-methylthiophen-3-yl)cyclopentene with a large variety of acyl compounds. All synthesized photoswitches can be reversibly converted into the closed form by irradiation with visible light. The photochromic properties of nine new dithienylethenes are discussed.
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Altenhöner K, Lamm J-H, Mattay J. Novel Dithienylethenes with Extended pi-Systems: Synthesis by Aldol Condensation and Photochromic Properties. European Journal of Organic Chemistry. 2010;2010(31):6033-6037.
Altenhöner, K., Lamm, J. - H., & Mattay, J. (2010). Novel Dithienylethenes with Extended pi-Systems: Synthesis by Aldol Condensation and Photochromic Properties. European Journal of Organic Chemistry, 2010(31), 6033-6037.
Altenhöner, K., Lamm, J. - H., and Mattay, J. (2010). Novel Dithienylethenes with Extended pi-Systems: Synthesis by Aldol Condensation and Photochromic Properties. European Journal of Organic Chemistry 2010, 6033-6037.
Altenhöner, K., Lamm, J.-H., & Mattay, J., 2010. Novel Dithienylethenes with Extended pi-Systems: Synthesis by Aldol Condensation and Photochromic Properties. European Journal of Organic Chemistry, 2010(31), p 6033-6037.
K. Altenhöner, J.-H. Lamm, and J. Mattay, “Novel Dithienylethenes with Extended pi-Systems: Synthesis by Aldol Condensation and Photochromic Properties”, European Journal of Organic Chemistry, vol. 2010, 2010, pp. 6033-6037.
Altenhöner, K., Lamm, J.-H., Mattay, J.: Novel Dithienylethenes with Extended pi-Systems: Synthesis by Aldol Condensation and Photochromic Properties. European Journal of Organic Chemistry. 2010, 6033-6037 (2010).
Altenhöner, Kai, Lamm, Jan-Hendrik, and Mattay, Jochen. “Novel Dithienylethenes with Extended pi-Systems: Synthesis by Aldol Condensation and Photochromic Properties”. European Journal of Organic Chemistry 2010.31 (2010): 6033-6037.
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