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2005
Pyrimidine derivatives
R 0510
Interaction of Cyclic Schiff's Bases with 2-Methylthiopyrimidine-4,6-dione Enol
Synthesis of 5-(2-Acetyl-6,7-dimethoxy-1,2,3,4-tetrahydro19- 174 Acetate.
1-isoquinolyl)-6-hydroxy-2-methylthio-1,4-dihydro-4-pyrimidinones. —
Reaction of the title pyrimidine (I) with dihydroisoquinolines (II) affords the
5-(1-isoquinolyl)pyrimidines (III), which exist as mixture of two tautomers in solution
as supported by methylation with diazomethane [→regioisomers (V)/(VI)]. —
(GULYAKEVICH, O. V.; KRASNOV, K. A.; MIKHAL'CHUK, A. L.; AKHREM, A.
A.; Chem. Heterocycl. Compd. (N. Y.) 40 (2004) 8, 1070-1076; Inst. Bioorg. Chem.,
Belarus Acad. Sci., Minsk 220141, Belarus; Eng.) — H. Toeppel
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