1) Intramolecular diels-alder reactions of 1,2,4-triazines. : A general synthesis of furo[2,3-]pyridines, 2,3-dihydropyrano[2,3-]pyridines, and pyrrolo[2,3-]pyridines
Tetrahedron, Volume 43, Issue 21, 1987, Pages 5145-5158
Edward C. Taylor, John E. Macor, Joseph L. Pont
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http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6THR-42HPYC3-6P-2&_cdi=5289&_user=10&_orig=search&_coverDate=12%2F31%2F1987&_sk=999569978&view=c&wchp=dGLzVzz-zSkzS&md5=c3d99f54f1f60b79019a62de7cb649de&ie=/sdarticle.pdf
Tetrahedron Letters, Volume 28, Issue 4, 1987, Pages 379-382
Edward C. Taylor, Joseph L. Pont
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http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6THS-42HXJFV-5X-4&_cdi=5290&_user=10&_orig=search&_coverDate=12%2F31%2F1987&_sk=999719995&view=c&wchp=dGLbVtb-zSkWb&md5=0144abc7f316d6ff22adbfa065723b89&ie=/sdarticle.pdf
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