oxonium ylide
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scholarly journals Dirhodium Carboxylate Catalysts from 2‐Fenchyloxy or 2‐Menthyloxy Arylacetic Acids: Enantioselective C−H Insertion, Aromatic Addition and Oxonium Ylide Formation/Rearrangement

ChemCatChem ◽  
2021 ◽  
Author(s):  
Aoife M. Buckley ◽  
Daniel C. Crowley ◽  
Thomas A. Brouder ◽  
Alan Ford ◽  
U. B. Rao Khandavilli ◽  
...  
Keyword(s):  
Arylacetic Acids ◽  
Oxonium Ylide

Enantioselective Intermolecular Mannich-Type Interception of Phenolic Oxonium Ylide for the Direct Assembly of Chiral 2,2-Disubstituted Dihydrobenzofurans

ACS Catalysis ◽  
2021 ◽  
pp. 6750-6756
Author(s):  
Kemiao Hong ◽  
Shanliang Dong ◽  
Xinxin Xu ◽  
Zhijing Zhang ◽  
Taoda Shi ◽  
...  
Keyword(s):  
Direct Assembly ◽  
Oxonium Ylide

Grob-type fragmentation of oxonium ylide generated from α-imino rhodium carbene

2021 ◽  
Author(s):  
Tao Chen ◽  
Zhenxing Yan ◽  
Shengguo Duan ◽  
Ze-Feng Xu ◽  
Chuan-Ying Li
Keyword(s):  
Double Bonds ◽  
Oxonium Ylide

A Grob-type fragmentation of oxonium ylide generated from intramolecular addition of oxygen to α-imino rhodium carbene was realized. The reaction was stereospecific and produced two remote double bonds. The newly...

Rh(II)/Ag(I)-Cocatalyzed Three-Component Reaction via SN1/SN1′-Type Trapping of Oxonium Ylide with the Nicholas Intermediate

2020 ◽  
Vol 85 (15) ◽  
pp. 9850-9862
Author(s):  
Zhenghui Kang ◽  
Jiayi Shou ◽  
Dong Xing ◽  
Wenhao Hu
Keyword(s):  
Three Component Reaction ◽  
Oxonium Ylide

Rhodium-Catalyzed ortho-Selective Carbene C–H Insertion of Unprotected Phenols Directed by a Transient Oxonium Ylide Intermediate

2020 ◽  
Vol 22 (3) ◽  
pp. 908-913
Author(s):  
Rui-Ting Guo ◽  
Ya-Lin Zhang ◽  
Jun-Jie Tian ◽  
Ke-Yu Zhu ◽  
Xiao-Chen Wang
Keyword(s):  
Oxonium Ylide

A Rh(ii)/phosphoric acid co-catalyzed three-component reaction of diazo-ketones with alcohols and azonaphthalenes: access to indole derivatives via a formal [3 + 2]-cycloaddition

2020 ◽  
Vol 18 (48) ◽  
pp. 9805-9809
Author(s):  
Xinru Yin ◽  
Aimin Xu ◽  
Jidi Hu ◽  
Ming Bao ◽  
Wenhao Hu ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Indole Derivatives ◽  
Cyclization Process ◽  
Three Component Reaction ◽  
Efficient Route ◽  
Oxonium Ylide

Rh(ii)/Phosphoric Acid co-catalyzed muti-component annulation was well established as a new efficient route to construct 1-amino-indole derivatives via dearomatization/rearomatization/cyclization process with in situ formed oxonium ylide.

scholarly journals Chemo- and stereoselective six-membered oxonium ylide formation–[2,3]-sigmatropic rearrangement of 2-diazo-3-ketoesters with dirhodium(II) catalyst and its application to the synthesis of (+)-tanikolide

Tetrahedron ◽  
2019 ◽  
Vol 75 (16) ◽  
pp. 2436-2445 ◽  
Author(s):  
Hikari Jinnouchi ◽  
Hisanori Nambu ◽  
Kanae Takahashi ◽  
Tomoya Fujiwara ◽  
Takayuki Yakura
Keyword(s):  
Sigmatropic Rearrangement ◽  
Oxonium Ylide

Enantioselective trapping of oxonium ylide intermediates by N -benzhydryl- α -imino ester: Synthesis of β -tetrasubstituted α -amino acids

2017 ◽  
Vol 28 (2) ◽  
pp. 213-217 ◽  
Author(s):  
Shi-Kun Jia ◽  
Yu-Bing Lei ◽  
Long-Long Song ◽  
Shun-Ying Liu ◽  
Wen-Hao Hu
Keyword(s):  
Amino Acids ◽  
Ester Synthesis ◽  
Oxonium Ylide

Evidence for heterolytic cleavage of a cyclic oxonium ylide: implications for the mechanism of the Stevens [1,2]-shift

2017 ◽  
Vol 53 (94) ◽  
pp. 12654-12656 ◽  
Author(s):  
Seyedeh Nargess Hosseini ◽  
Jeffrey R. Johnston ◽  
F. G. West
Keyword(s):  
Heterolytic Cleavage ◽  
Oxonium Ylide ◽  
Zwitterionic Intermediate

In contrast to prior evidence for a homolytic mechanism, a cyclopropylcarbinyl-substituted oxonium ylide furnished cleavage products consistent with a zwitterionic intermediate.

ChemInform Abstract: A Transformation of Cyclopropyl Carbene: A Highly Enantioselective Three-Component Reaction via Trapping Oxonium Ylide by Imine.

ChemInform ◽  
2016 ◽  
Vol 47 (38) ◽  
Author(s):  
Mingfeng Li ◽  
Qing Zheng ◽  
Weifeng Jin ◽  
Shunying Liu ◽  
Wenhao Hu
Keyword(s):  
Three Component Reaction ◽  
Oxonium Ylide
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