Efficient Synthesis of 5-Hydroxymethyl Pyrimidines and their Nucleosides Using Microwave Irradiation
作者:El S. El Ashry、Adel A.-H. Abdel-Rahman
DOI:10.1055/s-2002-35592
日期:——
Hydroxymethylation of uracil (1), cytosine (3), 5-hydroxymethyl-2′,3′-O-isopropylideneuridine (5), 5′-O-tert-butyldiphenylsilyl-2′,3′-O-isopropylideneuridine (7), 2′,3′-O-isopropyl-idenecytidine (9) and 2′,3′-O-isopropylidene-5′-O-tritylcytidine (11) was efficiently carried out with paraformaldehyde in alkaline medium under microwave irradiation in very high yield.
尿嘧啶(1)、胞嘧啶(3)、5-羟甲基-2′,3′-O-异亚丙基尿苷(5)、5′-O-叔丁基二苯基硅-2′,3′-O-异亚丙基尿苷(7)、2′、9)和 2′,3′-O-异亚丙基-5′-O-三苯甲基胞苷(11)。