Synthesis of polysubstituted pyridines : Diels-Alder addition of 1-AZA-1, 3-dienes with acetylenic and ethylenic dienophil
The synthesis of methyl 3,6-dimethylpyridine-2-carboxylate (192) by the Diels-Alder addition of 3-butene-2-one dimethylhydrazone (190) and methyl-2-butynoate (16) is described. The structure of 192 was confirmed by the synthesis of methyl 2,6-dimethylpyridine-3-carboxylate (195), the opposite regioi...
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| Format: | Others |
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2011
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| Online Access: | http://cardinalscholar.bsu.edu/handle/handle/183298 http://liblink.bsu.edu/uhtbin/catkey/452401 |