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|Title:||Microwave assisted synthesis of some new isoxazolyltriazinan-2-onesz|
|IPC Code:||Int.Cl.7 C 07 D 261/00, 251/00|
|Abstract:||Trimolecular condensation of N-(5-methyl-3- isoxazolyl)- N'-aryl ureas 2 with aqueous formaldehyde and primary amines under microwave irradiation in ethanol leads to 5-alkyl-1-(5-methylisoxazol-3-yl)-3-aryl-[1,3,5] triazinan-2-ones 3 in excellent yields. The intermediates, N-(5-methyl-3- isoxazolyl)-N'-aryl thioureas 2, have been obtained by reaction of 3-amino-5-methylisoxazole 1 with arylisocyanates in toluene under microwave irradiation.|
|Appears in Collections:||IJC-B Vol.43B(08) [August 2004]|
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