An expedient microwave-assisted, solvent-free, solid-supported synthesis of pyrrolo[2,3-d]pyrimidine-pyrano[5,6-c]coumarin/[6,5-c]chromone derivatives by intramolecular hetero Diels–Alder reaction
2008 ◽
Vol 49
(11)
◽
pp. 1812-1817
◽
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