DEB , M L and BHUYAN , P J (2006) Synthesis of novel classes of Pyrido[2,3-d]-pyrimidines, pyrano[2,3-d]pyrimidines, and pteridines. Synthetic Communications, 36 (20). pp. 3085-3090.

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Abstract

6-Amino-5-formyluracils 1 and 5-formyl-6-hydroxyuracils 4 react with Meldrum 19sacid2inthepresenceofpiperidineascatalystunderthermolyticconditions to afford 6-carboxy-2,4,7-trioxopyrido[2,3-d]pyrimidines 3 and 6-carboxy-2,4,7trioxopyrano[2,3-d]pyrimidines 5 in good yield. Under identical conditions, 6-amino5-nitrosouracils 6 react with 2 to afford pteridine-6-carboxylic acids 7 in good yields.

Item Type:	Article
Subjects:	Chemistry > Organic Chemistry
Divisions:	UNSPECIFIED
Depositing User:	Dr. PK Barooah
Date Deposited:	04 Jan 2012 10:10
Last Modified:	04 Jan 2012 10:10
URI:	http://neist.csircentral.net/id/eprint/286

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