反应详情

As per the procedure of Example 49, uridine (10.5 g) was treated with dibutyl tin oxide (10.5 g, 1 eq). The resulting 2',3'-O-dibutylstannyleneuridine was treated with 6-bromohexene (3.5 ml, 1.2 eq.) and sodium iodide (3.3 g, 1.o eq.) at 115° C. as per Example 50 to give the 2' and 3' isomers (3.3 g) as a foam.

1. customto give the 2' and 3' isomers (3.3 g) as a foam