930-72-3Relevant articles and documents
210. Cycloaddition of 2H-Pyran-2-thiones with Nitroso Derivatives. An Unexpected Cycloaddition-Rearrangement Reaction
Defoin, Albert,Augelmann, Gerard,Fritz, Hans,Geffroy, Guillaume,Schmidlin, Christian,Streith, Jacques
, p. 1998 - 2014 (2007/10/02)
Reaction of pyran-2-thiones 4 with nitroso derivatives led surprisingly to type-8 (19) adducts which proved to be isomeric with the initially expected primary Diels-Alder cycloadducts 5.Methyl 2-thioxo-2H-pyran-5-carboxylate (4f), when reacted with nitros