Реакция дифторкарбена с 2(1Н)-тион-6-метил-4(3Н)-пиримидиноном

It has been shown that a singlet state of difluorocarbene is more reactive than triplet state of 2(1H)-thio-6-methyl4(3H)-pyrimidinone in the N-, O-difluoromethylation process.