eng Ansari Education and Research Society Journal of Ultra Chemistry 0973-3450 2319-8036 June 2006 2 2 49 54 juc 805 article Zanariah Abdullah (zana@um.educ.my) 1 Maizathul Akmam A. Bakar 1 Mohd Adlan Mohd Shariffuddin 1 Zaharah Aiyub 1 2 Chemical Synthesis and Modeling Research Group, Department of Chemistry, University, Universtiy of Malaya - 50603 Kuala Lumpur <p style="text-align: justify;">6-Chloropurine which was obtained commercially was used as the precursor for the preparation of 6-anilinopurine and of 6-piperidinopurine. Fluorescence studies were carried out in 75% ethanol, acetonitrile and ethyl acetate.&nbsp; Both compounds showed the highest fluorescence peak&nbsp; in ethyl acetate whereby 6-piperidinopurine showed fluorescence peak at 373 nm, when excited at 315 nm, and 6-anilinopurine showed fluorescence peak at 447 nm when excited at 321 nm. The fluorescence intensity of 6-anilinopurine and 6-piperidinopurine decreased with time.&nbsp;</p> https://journalofchemistry.org/paper/805/ haracteristics Anilinopurine