Assertion: pyrimidine | /r/ObjectUse | used for the synthesis of c3
Facets:
Source sentences:
text: (3a)3b.3a) gave access to C3 unsubstituted compounds, whereas 4,6-dichloro-2-methylsulfanyl-pyrimidine (3b) was used for the synthesis of C3 substituted pyrazole[3,4-d]pyrimidines.