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尹少馨新蟲 (正式寫手)
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[求助]
大神求幫忙翻譯
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第一篇:A synthetic approach to paxilline indole diterpenes is described. The route to the pentacyclic core relies on a new regioselective alkenylation of ketones and a tandem radical addition–aldol reaction sequence to access vicinal quaternary stereocenters. Emindole SB, the simplest member of the family, is synthesized in 11 steps from commercially available material to demonstrate the application of this approach。 第二篇:The selective preparation of 1,1,1-tris(boronates) from vinylarenes and bis(pinacolato)diboron is described. The reactions occur at ambient temperature with excellent selectivity, high yields, and good functional group tolerance. Mechanistic studies suggest that Co(I)-catalyzed double dehydrogenative borylations generate a 1,1-diborylalkene intermediate, which undergoes hydroboration with pinacolborane formed in situ to yield 1,1,1-tris(boronate). 回復(fù)時(shí)請(qǐng)標(biāo)注翻譯的是第幾篇,多謝多謝,鞠躬 |
金蟲 (正式寫手)
| 本文研究了用vinylarenes和bis(pinacolato)diboron選擇性制備1,1,1-tris(boronates)的方法。該反應(yīng)在室溫下具有高選擇性、高產(chǎn)率及良好的官能團(tuán)穩(wěn)定性。機(jī)理研究表明Co(l)催化的double dehydrogenative borylations反應(yīng)過程中產(chǎn)生了1,1-diborylalkene 中間體,它與原位生成的pinacolborane發(fā)生硼氫化反應(yīng)生成了1,1,1-tris(boronate). 外行 專業(yè)詞匯搞不定 |
新蟲 (正式寫手)
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