Add time:07/30/2019 Source:sciencedirect.com
An antibiotic lissoclinolide (cas 132074-82-9) has been synthesized from propargyl alcohol in 9 steps and in 32% overall yieldvia (i) hydrogen transfer hydrozirconation of TBS-protected propargyl alcohol withi-BuZrCp2Cl, (ii) Pd-catalyzedtrans-selective cross coupling of the hydrozirconation product with a key 1,1-dibromoalkene intermediate5 and (iii) Ag-catalyzed lactonization of a trienynoic acid precursor2.
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