首页> 外文OA文献 >Origin of the E/Z Selectivity in the Synthesis of Tetrasubstituted Olefins by Wittig Reaction of Fluorophosphonium Ylides: An Explanation for the Low Stereoselectivity Observed in Reactions of Alkoxy Aldehydes

【2h】

Origin of the E/Z Selectivity in the Synthesis of Tetrasubstituted Olefins by Wittig Reaction of Fluorophosphonium Ylides: An Explanation for the Low Stereoselectivity Observed in Reactions of Alkoxy Aldehydes

机译：通过氟膦酰基氟化物的Wittig反应合成四取代烯烃的E / Z选择性的来源：在烷氧基醛反应中观察到的低立体切性的解释

代理获取

本网站仅为用户提供外文OA文献查询和代理获取服务，本网站没有原文。下单后我们将采用程序或人工为您竭诚获取高质量的原文，但由于OA文献来源多样且变更频繁，仍可能出现获取不到、文献不完整或与标题不符等情况，如果获取不到我们将提供退款服务。请知悉。

页面导航

著录项
引文网络
相似文献
相关主题

著录项

作者

展开▼
作者单位

展开▼
年度 -1
总页数
原文格式 PDF
正文语种
中图分类

相似文献

外文文献
中文文献
专利

1. Unequivocal Experimental Evidence for a Unified Lithium Salt-Free Wittig Reaction Mechanism for All Phosphonium Ylide Types:Reactions with β-Heteroatom-Substituted Aldehydes Are Consistently Selective for cis-Oxaphosphetane-Derived Products [J] . Peter A. Byrne, Declan G. Gilheany Journal of the American Chemical Society . 2012,第22期

机译：统一的无锂盐Wittig反应机理对所有类型的磷叶立德化合物的明确实验证据：与β-杂原子取代的醛的反应对于顺式-氧杂磷杂环丁烷衍生的产物始终具有选择性
2. Wittig Reactions in Water Media Employing Stabilized Ylides with Aldehydes. Synthesis of alpha.beta-Unsaturated Esters from Mixing Aldehydes, alpha-Bromoesters, and Ph_3P in Aqueous NaHCO3 [J] . Amer El-Batta, Changchun Jiang, Wen Zhao The Journal of Organic Chemistry . 2007,第14期

机译：使用醛与稳定的叶立德的水介质中的维蒂希反应。 NaHCO3水溶液中混合醛，α-溴酸酯和Ph_3P合成α.β-不饱和酯
3. Wittig Reactions in Water Media Employing Stabilized Ylides with Aldehydes. Synthesis of α,β-Unsaturated Esters from Mixing Aldehydes, α-Bromoesters, and Ph_3P in Aqueous NaHCO_3 [J] . Amer El-Batta, Changchun Jiang, Wen Zhao, The Journal of Organic Chemistry . 2007,第14期

机译：使用醛类与稳定的叶立德在水介质中的维蒂希反应。 NaHCO_3水溶液中醛，α-溴代酸酯和Ph_3P的混合合成α，β-不饱和酯
4. Solvent-Free Stereoselective Synthesis of Chalcones via Wittig Reaction of Arsonium Ylide by Grinding [C] . Wang Changqing International Conference on Energy, Environment and Sustainable Development . 2014

机译：通过研磨通过芳烃ylide的Wittig反应无溶剂立体选择性合成Chalcone
5. Part I. Asymmetric synthesis of bicyclic analogues of risedronate as molecular probes of the mechanism of action of bisphosphonate antiosteoporotic drugs and potentially more efficacious antiosteoporotic agents. Part II. Facile preparation and functionalization of chiral stabilized ylides from common chiral auxiliaries using the Bestmann ylide and their use in Wittig reactions. Part III. Asymmetric organocatalysis: 1. An investigation of alpha-hydroxylation of aldehydes; 2. Synthesis of a novel camphor-based alpha-aminotetrazole organocatalyst. [D] . Song, Xinyi. 2007

机译：第一部分：利塞膦酸盐双环类似物的不对称合成，作为双膦酸盐类抗骨质疏松药和潜在更有效的抗骨质疏松药作用机理的分子探针。第二部分使用Bestmann内酯从常见手性助剂轻松制备和官能化手性稳定化的叶基及其在Wittig反应中的用途。第三部分不对称有机催化：1.醛的α-羟基化研究； 2.合成新的基于樟脑的α-氨基四唑有机催化剂。
6. Nickel-Catalyzed Carbonyl-Ene-Type Reactions: Selective for Alpha Olefins and More Efficient with Electron-Rich Aldehydes [O] . Chun-Yu Ho, Sze-Sze Ng, Timothy F. Jamison -1

机译：镍催化的羰基-烯类反应：对α烯烃具有选择性并且对富含电子的醛更有效
7. Unequivocal experimental evidence for a unified lithium salt-free Wittig reaction mechanism for all phosphonium ylide types: reactions with β-heteroatom-substituted aldehydes are consistently selective for cis-oxaphosphetane-derived products [O] . Byrne Peter A., Gilheany Declan G. 2012

机译：明确的实验证据表明，所有类型的磷鎓叶立德类型均具有统一的无锂盐的Wittig反应机理：与β-杂原子取代的醛的反应对于顺式-氧杂磷杂环丁烷衍生的产物始终具有选择性

Origin of the E/Z Selectivity in the Synthesis of Tetrasubstituted Olefins by Wittig Reaction of Fluorophosphonium Ylides: An Explanation for the Low Stereoselectivity Observed in Reactions of Alkoxy Aldehydes

著录项

引文网络

相似文献

相关主题

期刊订阅