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A facile and efficient carbodiimide-mediated synthesis of dihydroquinazolines via a tandem nucleophilic addition-intramolecular hetero conjugate addition annulation strategy

โœ Scribed by Takao Saito; Kensaku Tsuda; Yoji Saito


Publisher
Elsevier Science
Year
1996
Tongue
French
Weight
214 KB
Volume
37
Category
Article
ISSN
0040-4039

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๐Ÿ“œ SIMILAR VOLUMES


A novel and facile carbodiimide-mediated
โœ Takao Saito; Kensaku Tsuda ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 135 KB

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