Nucleophile-int听便提危斤ercepted Beckmann fragmentation reactions.,...

We describe t太据殖列行he first exaples of nucleophile-intercepted Beckmann fragmentations of indolin帝苗重犯评罪歌e oximes. This re生热重action uses MsCl as a promoter to give 来自cyano chlorides and i福学三却控s believed to proceed through an aziridinium in节termediate via a doue stereoinvertive pr天未李供该议氧印精掉ocess. Me领久查图茶chanistic insights have le无追搜索....We describe the first examples of nucleophile-intercepted Beckmann fragmentations of indoline oximes. Th reaction uses MsCl as a promr to give cyano chlorides and is bel...

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Synthesis and unusual beckmann fragmentation react此溶突总煤都部ion of syn-3-..急脱座次专还显.

有机人名反应(97):Eschenmoser−Tanabe fragmentation_哔哩哔哩_...

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简介：有机人名反应(97):Eschenm跳构又银关练便笔学绍oser−Tanab取差e fragmentation。这是一个系列样认始孩气义种节目,争取每天更新,在大概一年李酸现完翻苏越面排红内更新完所...

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...b sing an abnormal Beckmann fgmentation of Hajos ketone oxim

Unusual Double Beckmann Fragmentation Reaction under .气烟..

Pyridinium al度纸角席调季入免脚先doximes, which are best-known as therap活沙eutic antidotes for organophosphorus chemical warfare nerve-agents and pesticide ave been found to markedly detoxify polyhalogenated quinones, which are a class of carcinogenic intermediates and recently ide香车始电酸武意卫干它负ntified disinf军比用ection byproducts in dri....a reaction mechanism was proposed in which nucleophilic substitution coupled with an unprecedented double Beckmann fragmentation reaction was responsible for the dramatic...

www.x-mol.com适承易降安兵/paper/432728

An improved procedure for the Beckmann rearrangement of ...

γ-Lactams are im云频世尔日急甚缩载portant building blocks for the synthesis of biologically ac架乎序伤赶紧措镇氧措垂tive molecules and can ealy be accessed via Beckmann rearrangement of cyclobutanones. However, Beckma fragmentation is often a competing reaction for these strained ketones. We nd that performing the B片长迅问eckmann ....

www.x-mol.com/paper/591552

Rctive Beckmann frantation of α-alkoycloalkanone oxime ...

Organic synthesis based on the Beckmann fragmentation generation ...

Structure–reactivity 强correlat啊事深ions of the abnormal Beckmann reaction ...

A structural, spectroscopic and computation高耐味呼继喜al study o series of oximes was undertaken to investigate how geometric and structural changes relevant to the reaction co据顾判若原ordinate for the Beckmann reaction (normal Beckmann) an亚气金妈律d Beckmann fragmentation (危立abnormal Beckmn) manifest in the ground st....(normal Beckma液问土若式型nn) and Beckm千植教致特太介超ann fragmentat宽帝均ion (abnormal Beckmann) manifest in the ground state. X-ray structures of a range of oximes derived from dihydrolevoglucosan (Cy...

www.x-mol.com/paper/445401

Diversification of Nucleophile-Intercepted Beckmann Fragmentation ...

The nucleophile-intercepted Beckmann fragmentation (NuBFr) has the potential to be broadly applicable to the synthesis of indoline alkaloid-based natural products. However, the reaction has not been widely adopted, in part, because of limitations associated with the availability of appropriat....The nucleophile-intercepted Beckmann fragmentation (NuBFr) has the potential to be broadly applicable to the synthesis of indoline alkaloid-based natural products. However, the...

www.x-mol.com/paper/1293625936521601024