Summary
A variety of partly novel tri- and tetracyclic hetero systems were obtained by reaction of heteroaromatic 2-aminoesters with 2-(methylthio)-2-thiazoline, yielding double-annelation of a thiazolo[2,3-b]pyrimido moiety in a one-pot process.
Zusammenfassung
Eine Reihe z.T. neuer tri- und tetracyclischer Heterosysteme wurde durch Reaktion von heteroaromatischen 2-Aminoestern mit 2-(Methylthio)-2-thiazolin erhalten, wobei im Eintopfverfahren durch doppelte Cyclisierung jeweils eine Thiazolo[2,3-b]pyrimido-Einheit anelliert wurde.
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Dedicated to pharmacistT. Mayrhofer, the long-standing sponsor of pharmaceutical research, on the occasion of his 90th birthday
On leave from University of Chittagong, Bangladesh
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Sauter, F., Fröhlich, J., Chowdhury, A.Z.M.S. et al. Reagents for new heteroannelation reactions III. 2-(Methylthio)-2-thiazoline. Monatsh Chem 128, 503–508 (1997). https://doi.org/10.1007/BF00806858
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DOI: https://doi.org/10.1007/BF00806858