Total Synthesis of (+)-Iresin
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https://figshare.com/articles/dataset/Total_Synthesis_of_Iresin/2166355
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The first asymmetric total synthesis of (+)-iresin (4), an historically important ent-Drimane sesquiterpene lactone, was realized from aldehyde 3 via cyclic orthoester 6 in 5 steps. Notable transformations in this synthesis include a tandem trifluoroperacetic acid (TFPAA)-mediated Baeyer–Villiger oxidation–olefin epoxidation–epoxy ester cyclization, regioselective Burgess dehydration, and regioselective Fétizon oxidative lactonization.
创建时间:
2016-02-13



