反应详情

The title compound was prepared from morpholine (0.451 g, 0.0052 mol) and 6-(5-chlorosulphonyl-2-n-propoxyphenyl)-3-methyl-1-n-propyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (Preparation 8; 0.55 g, 0.0013 mol), according to the procedure of Example 14, and was obtained as colourless needles (0.403 g, 65%), m.p. 161-163° C., after crystallisation from ethyl acetate-hexane. Found: C,55.68; H,6.16; N,14.85. C22H29N5O5S requires C,55.56; H,6.15; N,14.73%.