Project supported by the National Natural Science Foundation of China (No. 20132030) and the Science and Technology Commission of Shanghai Municipality (No.02JC14032).
Reduction of azides to amines without touching benzyl, t-butyldimethylsilyl, t-butyldiphenylsilyl, trityl and tetrahydropyranyl ether protecting groups, C-C double and triple bond, as well as aromatic bromide and nitr...
the National Natural Science Foundation of China (Nos. 20321202,20132030).
(+)-(S)-Angustureine was synthesized using a CuI-catalyzed coupling reaction of iodobenzene with an enan-tiopure -amino ester as the key step. The overall yield is 36% in 7 linear steps.