Low-Temperature Chemo- and Stereoselective [2+2]-Cyclodimerization of 5-Ethenylidene-4,5-dihydro-1,3-thiazole: An Approach to Unique Derivatives of 1,3-Bis(methylene)cyclobutane.

Authors :: Tarasova, O. A.
Nedolya, N. A.
Albanov, A. I.
Trofimov, B. A.
Source :: Russian Journal of Organic Chemistry. Feb2021, Vol. 57 Issue 2, p283-286. 4p.
Publication Year :: 2021
Abstract: An unusual [2+2]-cyclodimerization of 5-ethenylidene-4,5-dihydro-1,3-thiazole, obtained from lithiated methoxyallene, isopropyl isothiocyanate, and propargylbromide, into highly functionalized 1,3-bis(methylene)cyclobutane is discovered. [ABSTRACT FROM AUTHOR]

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