反应详情

The compound was prepared from acetic acid 4-oxo-4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyrazin-2-ylmethyl ester and 2-bromo-5-fluoropyridine using the method described in the preceding example 43 (5-(2,4-difluoro-phenyl)-2-phenoxymethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one).