Effect of the conditions of the formation of the crystalline phase of 1-hydroxy-5,5-dimethyl-2,4-diphenyl-3-imidazoline-3-oxide on the direction of its reaction with phenyllithium

Article abstract of DOI:10.1007/BF00707072

The course of the heterogeneous reaction of 1-hydroxy-5,5-dimethyl-2,4-diphenyl-3-imidazoline 3-oxide with PhLi is dependent on the conditions of the formation of the crystalline phase of the starting compound.This compound can be isolated mainly in the cyclic or in the chain tautomeric forms. - Key words: 3-imidazoline 3-oxide, ring-chain tautomerism.