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烯丙基取代与铃木交叉偶联反应:利用双功能底物的化学选择性。

Allylic substitution versus Suzuki cross-coupling: capitalizing on chemoselectivity with bifunctional substrates.

机构信息

Department of Chemistry, University of Pennsylvania, 231 S. 34th St, Philadelphia, PA 19104, USA.

出版信息

Angew Chem Int Ed Engl. 2010 Mar 1;49(10):1834-7. doi: 10.1002/anie.200905399.

DOI:10.1002/anie.200905399
PMID:20135655
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2917587/
Abstract

One catalyst, two reactions; a tale of chemoselectivity: Given the choice between an allylic acetate and a vinylboronate ester, palladium preferentially reacts with the allylic acetate giving the allylic substitution product. In the presence of an aryl bromide and base, Suzuki cross-coupling subsequently ensues to afford allylic amines.

摘要

一个催化剂,两个反应;选择性化学的故事:当钯面临烯丙基醋酸盐和乙烯基硼酸酯的选择时,它更倾向于与烯丙基醋酸盐反应,生成烯丙基取代产物。在芳基溴化物和碱的存在下,随后发生铃木交叉偶联反应,得到烯丙基胺。

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本文引用的文献

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Control of chemo-, regio-, and stereoselectivities in ligand-free Pd-catalyzed oxidative Heck reactions of arylboronic acids or alkenylboronate with allyl esters.在无配体钯催化的芳基硼酸或烯基硼酸酯与烯丙基酯的氧化Heck反应中对化学选择性、区域选择性和立体选择性的控制
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Asymmetric 1,4-dihydroxylation of 1,3-dienes by catalytic enantioselective diboration.通过催化对映选择性双硼化实现1,3 - 二烯的不对称1,4 - 二羟基化反应。
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Applications of 1-alkenyl-1,1-heterobimetallics in the stereoselective synthesis of cyclopropylboronate esters, trisubstituted cyclopropanols and 2,3-disubstituted cyclobutanones.1-链烯基-1,1-异双金属化合物在环丙基硼酸酯、三取代环丙醇和2,3-二取代环丁酮的立体选择性合成中的应用。
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Chemoselectivity: the mother of invention in total synthesis.化学选择性:全合成之母。
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Palladium-catalyzed gamma-selective and stereospecific allyl-aryl coupling between allylic acetates and arylboronic acids.钯催化的乙酸烯丙酯与芳基硼酸之间的γ-选择性和立体特异性烯丙基-芳基偶联反应。
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Oxygen and base-free oxidative heck reactions of arylboronic acids with olefins.芳基硼酸与烯烃的无氧无碱氧化Heck反应。
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Selectivity: a key to synthetic efficiency.选择性:合成效率的关键。
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Catalytic enantioselective preparation of alpha-substituted allylboronates: one-pot addition to functionalized aldehydes and a route to chiral allylic trifluoroborate reagents.α-取代烯丙基硼酸酯的催化对映选择性制备:对官能化醛的一锅法加成及手性烯丙基三氟硼酸盐试剂的合成路线
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