| 摘要 |
<p>1,223,882. 2,4 - Diamino - 5 - (substituted benzyl-pyrimidines. WELLCOME FOUNDATION Ltd. 1 Feb., 1968 [2 Feb., 1967], No. 49514/70. Heading C2C. [Also in Division A5] Novel compounds of formula wherein Z is H or C 1-4 alkyl, R<SP>2</SP>, R<SP>3</SP> are each halogen, or C 1-4 alkyl or alkoxy; and R<SP>1</SP> is C 5-10 alkyl, C 1-4 haloalkyl, an unsaturated C 2-4 aliphatic hydrocarbon radical or benzyl possibly substituted by C 1-4 alkyl or alkoxy groups, are prepared by etherification of the corresponding starting material, where R<SP>1</SP>=H, with R<SP>1</SP>Q (Q being a reactive atom or group) under basic conditions.</p> |
