A novel and facile carbodiimide-mediated
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Takao Saito; Kensaku Tsuda
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Article
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1996
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Elsevier Science
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French
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A novel and efficient carbodiimide-mediated synthetic method for new 2,3-dihydro-6Hpyrimido[2,l-b]quinazolin-4(lH)-ones ( 4) is described which involves initial intramolecular addition of an amino-nucleophile to the carbodiimide-cumulenic system, followed by intramolecular hereto conjugate addition