题名 | Comparisons of O-acylation and Friedel–Crafts acylation of phenols and acyl chlorides and Fries rearrangement of phenyl esters in trifluoromethanesulfonic acid: effective synthesis of optically active homotyrosines |
链接 | http://www.sciencedirect.com/science/article/pii/S0040402010016923 |
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