CH446361A
(en )
1967-11-15
Process for the preparation of new thieno (3,2-d) pyrimidines
CH530415A
(en )
1972-11-15
Process for the preparation of pyrimidine derivatives
CH522666A
(en )
1972-06-30
Process for the preparation of s-triazolo- (1,5-a) -pyrimidines
CH507266A
(en )
1971-05-15
Process for the preparation of pyrazolo (3,4-d) pyrimidines
DD138902A5
(en )
1979-11-28
PROCESS FOR THE PREPARATION OF 2,3-POLYMETHYLENE-4-OXO-4H-PYRIDO- (1,2-A) -PYRIMIDINE
AT349023B
(en )
1979-03-12
PROCESS FOR THE PREPARATION OF 2,6-BIS (DIAETHANOLAMINE) -4,8-DIPIPERIDINE-PYRIMID- (5,4-D) -PYRIMIDINE
CH533120A
(en )
1973-01-31
Process for the preparation of pyrimidine derivatives
AT306024B
(en )
1973-03-26
Process for the preparation of 4-hydroxy-1H-pyrazolo- (3,4-d) -pyrimidine
AT340934B
(en )
1978-01-10
PROCESS FOR THE PREPARATION OF 2,4-DIAMINO-5- (3 ', 4', 5'-TRIMETHOXYBENZYL) -PYRIMIDINE
PT65238A
(en )
1976-07-01
PROCESS FOR PREPARING 2,4-DIAMINO-5- (3 ', 4', 5'-TRIMETHOXYBENZYL) PYRIMIDINE
AT301562B
(en )
1972-09-11
Process for the preparation of new 2,6-dimorpholino-8-alkanolamino-pyrimido [5,4-d] pyrimidines
CH513881A
(en )
1971-10-15
Process for the preparation of new 2,6-bis (dialkanolamino) -pyrimido (5,4-d) pyrimidines
AT342050B
(en )
1978-03-10
PROCESS FOR THE PREPARATION OF 2,6-BIS- (DIATHANOLAMINO) -4,8-DIPIPERIDINO-PYRIMIDO (5,4-D) -PYRIMIDINE
AT326665B
(en )
1975-12-29
Process for the preparation of 2,4-DIAMINO-5- (3,4,5-TRIMETHOXYBENZYL) -PYRIMIDINE
AT292715B
(en )
1971-09-10
Process for the preparation of 4-chloro-pyrazolo (3,4-d) pyrimidine
AT292714B
(en )
1971-09-10
Process for the preparation of 4-hydroxy-pyrazolo (3,4-d) pyrimidine
AT328457B
(en )
1976-03-25
METHOD FOR THE PREPARATION OF 4-MERCAPTO-1H-PYRAZOLO (3,4-D) PYRIMIDINE
CH555843A
(en )
1974-11-15
PROCESS FOR THE PREPARATION OF S-SUBSTITUTED 2-MERCAPTOPYRIDO (2,3-D) -PYRIMIDINE-4 (3H) -ONES.
AT299209B
(en )
1972-06-12
Process for the preparation of 4-hydroxy-1H-pyrazolo- [3,4-d] -pyrimidine
AT328453B
(en )
1976-03-25
PROCESS FOR THE PREPARATION OF PYRIMIDO (5,4-D) PYRIMIDINE DERIVATIVES
CH550180A
(en )
1974-06-14
PROCESS FOR THE PREPARATION OF 1,3,6-SUBSTITUTED URACILS.
AT327914B
(en )
1976-02-25
PROCESS FOR THE PREPARATION OF 4-HYDROXY-PYRAZOLO (3,4-D) PYRIMIDINE
CH484929A
(en )
1970-01-31
Process for the preparation of pyrazolo (3,4-d) pyrimidines
AT320167B
(en )
1975-01-27
Process for the preparation of 7-β-D-ribonfuranosyl-4,6-dihydroxy-phyrazolo- [3,4-d] -pyrimidine
AT302336B
(en )
1972-10-10
Process for the preparation of new 2,6-bis (dialkanolamino) -pyrimido [5,4-d] pyrimidines