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Synthesis of 6-phosphonoalkyl tetrahydro-4-pyrimidine-carboxylic acids as NMDA receptor antagonists

โœ Scribed by Christopher F. Bigge; Jiang-Ping Wu; James R. Drummond


Book ID
103399076
Publisher
Elsevier Science
Year
1991
Tongue
French
Weight
193 KB
Volume
32
Category
Article
ISSN
0040-4039

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Synthesis of alkyl 6-methyl-4-(2-pyridyl
โœ Kuljeet Kaur; Edward E. Knaus ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 203 KB ๐Ÿ‘ 1 views

## Abstract magnified image The Bigenelli acid catalyzed condensation of 2โ€pyridylcarboxaldehyde (**1**), urea (**2**) and an alkyl acetoacetate (**3**) afforded the respective alkyl (Me, Et, __i__โ€Pr, __i__โ€Bu, __t__โ€Bu) 6โ€methylโ€4โ€(2โ€pyridyl)โ€1,2,3,4โ€tetrahydroโ€2__H__โ€pyrimidineโ€2โ€oneโ€5โ€carboxyl