Roland K. Robins

Potential Purine Antagonists. I. Synthesis of Some 4,6-Substituted Pyrazolo [3,4-d] pyrimidines1

Potential Purine Antagonists. VI. Synthesis of 1-Alkyl- and 1-Aryl-4-substituted Pyrazolo[3,4-d]pyrimidines

Potential Purine Antagonists. IV. Synthesis of Some 9-Methyl-6-substituted-purines1

Studies on Condensed Pyrimidine Systems. XIX. A New Synthesis of Pyrido [2,3-d] pyrimidines. The Condensation of 1,3-Diketones and 3-Ketoaldehydes with 4-Aminopyrimidines

Potential Purine Antagonists. XV. Preparation of Some 6,8-Disubstituted Purines1

Potential Purine Antagonists. VIII. The Preparation of Some 7-Methylpurines1

Potential Purine Antagonists VII. Synthesis of 6-Alkylpyrazolo-[3,4-d]pyrimidines1,2a

Purines. II. The Synthesis of Certain Purines and the Cyclization of Several Substituted 4,5-Diaminopyrimidines1

Studies on Condensed Pyrimidine Systems. XII. Synthesis of Some 4- and 2,4-Substituted Pyrido[2,3-d]pyrimidines

Potential Purine Antagonists. XII. Synthesis of 1-Alkyl(aryl)-4,6-disubstituted Pyrazolo[3,4-d]pyrimidines1