5-ethynyl-1-{4-fluoro-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydrofuran-2-yl}-1H-pyrimidine-2,4-dione 在
iodonium di-syn-collidine perchlorate 、 Ag(coll)2ClO
4 作用下,
以
乙腈 为溶剂,
以26%的产率得到1-{4-fluoro-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydrofuran-2-yl}-5-iodoethynyl-1H-pyrimidine-2,4-dione