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A concise and efficient solid-phase synthesis of 2-amino-4(3H)-quinazolinones

โœ Scribed by Rui-Yang Yang; Alan Kaplan

Book ID
108379948
Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
220 KB
Volume
41
Category
Article
ISSN
0040-4039

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โœ Qun Sun; Xiaoming Zhou; Donald J Kyle ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 113 KB

The solid-phase synthesis of 3,4-dihydro-2(1H)-quinazolinones and 3,4-dihydro-1H-quinazolin-2-thiones is described. Starting from Rink resin, acylation with 4-bromomethyl-3-nitrobenzoic acid and amination with primary amines, reduction with tin chloride and cyclization, the desired 3,4-dihydro-2(1H)