The First Synthesis of 7-Alkylthio-2,2-dimethyl-2H-chromenes, the Sulfur Analogs of Natural and Synthetic Precocenes
- 1 January 1994
- journal article
- research article
- Published by Georg Thieme Verlag KG in Synthesis
- Vol. 1994 (08) , 837-840
- https://doi.org/10.1055/s-1994-25585
Abstract
A new and expeditious synthesis of 7-alkylthio-2,2-dimethyl-2H-chromenes in good overall yield (59-72%), utilising the Newman-Kwart rearrangement of 7-(N,N-dimethylthiocarbamoyloxy)-2,2-dimethyl-4-chromanones as the key step, is describedKeywords
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