Abstract
Abstract The infrared spectra of three 2-chloro- 4,6-bis (alkylamino) s-triazincs and their metabolites in solid (KBr) phase are described, and the characteristic infrared absorption frequencies are given. These compounds may -exist as dimers in the solid state when hydrogen bonding occurs through one or both of the amino groups. In addition, the metabolic products, 2-hydroxy derivatives, may also exist as dimers by hydrogen bonding of the enol (OH) to the keto tautomers in equilibrium. Evidently the weak NH hydrogen bonding of the cis cyclic lactam dimer is partially depolymerized when the compound is ground in an adequate amount of Nujol, and the equilibrium shifts to yield the dimer resulting from strong hydrogen bonding of the enol (OH) to the keto form of the tautomers
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