Substituted imidazole were prepared by modi fi cation of known methods. Some substitutions, e.g. acetyl at ion, at the 2-position of these convounds were also carried out. A few hydrazones of I-triphenylmethyl imi ...

A simple indi rect spectrophotometric determination of sulphide is descri bed. The method is based upon the displacement of thiocyanate ions from mercury (Il ) thiocyanate by sulphide ions. The released thiocyanate ions ...

Tetrabromo-2-benzoquinone reacts with cyclopentenyl ) piperidine and 1-(1-cyclohexenyl ) piperidine to give the open (1:1) adduct (la,b) or (I'a,b), whereas it reacts with I-cyclopentenyl ) morpholine to give the open (1:1) ...

Ni tration of Hector's Base gives both mno and dinitro products. in each case, only one out of two phenyl rings involves in the nitration process and that ring is the 3-anilino portion of the kkctor's Base. The protonation ...