Preparation, physical properties, chromatographic behaviour, mass-spectral fragmentation pattern and 1H n.m.r. spectra of 4-(2-benzimidazolyl)-4-methyl pentanoic acid (3a) and 1,3-bis (2-benzimidazolyl)-2,2-dimethyl propane (4) are described.


FARZANA MALIK ,ZAHIDA MAQBOOL ,MARIA C. GARCIA ALVAREZ ,MASHOODA HASAN ,