M. Kimura et al., PD(2-CATALYZED OXIDATIVE AMINOCARBONYLATION OF O-2,3-BUTADIENYL AND O-3,4-PENTADIENYL N-TOSYLCARBAMATES()), Tetrahedron letters, 34(47), 1993, pp. 7611-7614
Pd2+-catalyzed aminocarbonylation of O-2,3-butadienyl 1 and O-3,4-pent
adienyl carbamates 5 stereoselectively provides 4-(1-methoxycarbonylvi
nyl)-1,3-oxazolidin-2-ones 2 and 4-(1-methyoxycarbonylvinyl)-1,3-oxazi
n-2-ones 6, respectively, in high yields.