Studies on the syntheses of sulfur containing pyrimido [5,4-d]pyrimidine derivatives. IV. The mechanism of dipyridamole formation from 4,8-dipiperidino-pyrimido [5,4-d]pyrimidine-2,6-disulfonyl dichloride and diethanolamine

Studies on the syntheses of sulfur containing pyrimido 5 4 d pyrimidine derivatives part 1 syntheses of pyrimido 5 4 d pyrimidine derivatives possessing methylsulfonyl or sulfonamide group at 2 position. Yakugaku Zasshi 96(5): 578-585, 1976

Studies on the syntheses of sulfur containing pyrimido [5,4-d]pyrimidine derivatives. I. Syntheses of pyrimido [5,4-D]pyrimidine derivatives possessing methylsulfonyl or sulfonamide group at 2-position. Yakugaku Zasshi 96(5): 578-585, 1976

Studies on the syntheses of sulfur containing pyrimido 5 4 d pyrimidine derivatives part 2 syntheses and rearrangement of 2 methylsulfonyl pyrimido 5 4 d pyrimidine 6 sulfonamide derivatives. Yakugaku Zasshi 96(5): 586-592, 1976

Studies on the synthesis of sulfur containing pyrimido [5,4-d]pyrimidine derivatives. II. Syntheses and rearrangement of 2-methylsulfonyl pyrimido[5,4-d]pyrimidine-6-sulfonamide derivatives. Yakugaku Zasshi 96(5): 586-592, 1976

Studies on the syntheses of sulfur containing pyrimido [5,4-d]pyrimidine derivatives. III. A new synthesis of dipyridamole. Yakugaku Zasshi 96(5): 593-599, 1976

Syntheses and properties of selected derivatives of pyrimido[5,4-e]-1,3-thiazine and pyrimido[4,5-d]pyrimidine. Archivum Immunologiae et Therapiae Experimentalis 37(3-4): 487-497, 1989

Pyrimidine derivatives part 6 studies on the syntheses of orotic acid uracil and pyrimido 5 4 d pyrimidine derivatives. Yakugaku Zasshi: 785-795, 1972

Pyrimidine derivatives. VI. Studies on the syntheses of orotic acid, uracil and pyrimido(5,4-d)pyrimidine derivatives. Yakugaku Zasshi 92(7): 785-795, 1972

Potentiation of the coronary vasodilator effect of norepinephrine by 2,6-bis (diethanolamino)-4,8-dipiperidino-pyrimido (5,4-d) pyrimidine (dipyridamole). Tohoku Journal of Experimental Medicine 96(2): 207-208, 1968

Potentiation of the Coronary Vasodilator Effect of Norepinephrine by 2, 6-Bis (diethanolamino)-4, 8-dipiperidino-pyrimido (5, 4-d) pyrimidine (Dipyridamole). Tohoku Journal of Experimental Medicine 96(2): 207-208, 1968

Potentiation of norepinephrine and adenosine in the renal circulation by 2,6-bis (diethanolamino)-4,8-dipiperidino-pyrimido (5,4-d) pyrimidine (dipyridamole) treatment (preliminary report). Tohoku Journal of Experimental Medicine 96(2): 161-164, 1968

Potentiation of Norepinephrine and Adenosine in the Renal Circulation by 2, 6-Bis (diethanolamino)-4, 8-dipiperidino-pyrimido (5, 4-d) pyrimidine (Dipyridamole) Treatment (Preliminary Report). Tohoku Journal of Experimental Medicine 96(2): 161-164, 1968

Studies on the effect of 2, 6-bis(diethanolamino)-4, 8-dipiperidino-pyrimido[5, 4-d]-pyrimidine on the heart and circulation. Arzneimittel-Forschung 9(1): 47-49, 1959

Studies on the effect of 2,6-bis(dethanolamino)-4, 8-dipiperidino-pyrimido(5,4-d) pyrimidine on myocardial metabolism. Arzneimittel-Forschung 12: 1098-1109, 1962

Studies on the syntheses of n hetero cyclic compounds part 18 syntheses of di substituted amino 2 phenyl pyrimido pyrimidine derivatives. Journal of Takeda Research Laboratories 32(3): 251-258, 1973