Patent ID: 7291730

Claim:
A 4-chloropyrimidine compound selected from the group consisting of 4-chloro-6-(2-propynyloxy)pyrimidine, 4-chloro-6-(2-butynyloxy)pyrimidine, 4-chloro-6-(1-methyl-2-butynyloxy)pyrimidine, 4-chloro-6-(2-pentynyloxy)-pyrimidine, 4-chloro -6-(2-butynyloxy)-5-methylpyrimidine, 4,5-dichloro-6-(2-butynyloxy)pyrimidine, 4-chloro-5-fluoro-6-(2-butynyloxy)pyrimidine, 4-chloro-6-(2,6-difluorobenzy)pyrimidine, 4-chloro-6-(2-fluorobenzy)pyrimidine, 4-chloro-6-(2-chlorobenzyl)pyrimidine, 4-chloro-6-(α-methylbenzyl)pyrimidine, 4-chloro-6-(2,3-difluorobenzy)pyrimidine, 4-chloro-6-(2-chloro-6-fluorobenzyl)pyrimidine, 4-chloro-6-(1-(2-fluorophenyl)ethyl)pyrimidine, 4-chloro-6-(2-chloro-3,6-difluorobenzyl)pyrimidine, 4-chloro-6-(cyclopentyloxy)pyrimidine, 4-chloro-6-(cyclohexyloxy)pyrimidine, 4-chloro-6-(trans-2-methylcyclopentyloxy)pyrimidine and 4-chloro-6-(cis-2-methylcyclohexyloxy)pyrimidine.