Catalytic Site-Selective Acylation of Carbohydrates Directed by Cation–n Interaction

2017 ◽  
Vol 139 (12) ◽  
pp. 4346-4349 ◽  
Author(s):  
Guozhi Xiao ◽  
Gabriel A. Cintron-Rosado ◽  
Daniel A. Glazier ◽  
Bao-min Xi ◽  
Can Liu ◽  
...  
Keyword(s):  
Catalytic Site ◽  
Selective Acylation ◽  
Site Selective

Carboxylate Anions Accelerate Pyrrolidinopyridine (PPy)-Catalyzed Acylation: Catalytic Site-Selective Acylation of a Carbohydrate by in Situ Counteranion Exchange

2017 ◽  
Vol 19 (12) ◽  
pp. 3099-3102 ◽  
Author(s):  
Masanori Yanagi ◽  
Ayumi Imayoshi ◽  
Yoshihiro Ueda ◽  
Takumi Furuta ◽  
Takeo Kawabata
Keyword(s):  
Catalytic Site ◽  
Carboxylate Anions ◽  
Selective Acylation ◽  
Site Selective

Recent Advances in C–Br Bond Formation

Synlett ◽  
2021 ◽  
Author(s):  
Ying-Yeung Yeung ◽  
Jonathan Wong
Keyword(s):  
Organic Synthesis ◽  
Aromatic Compounds ◽  
Bond Formation ◽  
Cross Coupling ◽  
Catalytic Site ◽  
Atom Transfer ◽  
Bond Forming ◽  
Recent Advances ◽  
Catalytic Asymmetric ◽  
Site Selective

AbstractOrganobromine compounds are extremely useful in organic synthesis. In this perspective, a focused discussion on some recent advancements in C–Br bond-forming reactions is presented.1 Introduction2 Selected Recent Advances2.1 Catalytic Asymmetric Bromopolycyclization of Olefinic Substrates2.2 Catalytic Asymmetric Intermolecular Bromination2.3 Some New Catalysts and Reagents for Bromination2.4 Catalytic Site-Selective Bromination of Aromatic Compounds2.5 sp3 C–H Bromination via Atom Transfer/Cross-Coupling3 Outlook

B(C6F5)3-catalyzed site-selective N1-alkylation of benzotriazoles with diazoalkanes

2021 ◽  
Author(s):  
Yunbo Zhao ◽  
Dipendu Mandal ◽  
Jing Guo ◽  
Yile Wu ◽  
Douglas W Stephan
Keyword(s):  
Catalytic Site ◽  
Metal Free ◽  
Site Selective

Alkylation of benzotriazoles is synthetically challenging, often leading to mixtures of N1 and N2 alkylation. Herein, metal-free catalytic site-selective N1-alkylation of benzotriazoles with diazoalkanes is described in the presence of...

Total Synthesis of Cercidinin A via a Sequential Site-selective Acylation Strategy

2020 ◽  
Vol 49 (2) ◽  
pp. 182-185 ◽  
Author(s):  
Hiromitsu Shibayama ◽  
Yoshihiro Ueda ◽  
Takeo Kawabata
Keyword(s):  
Total Synthesis ◽  
Selective Acylation ◽  
Site Selective

scholarly journals S ‐Adamantyl Group Directed Site‐Selective Acylation: Applications in Streamlined Assembly of Oligosaccharides

2019 ◽  
Vol 58 (28) ◽  
pp. 9542-9546 ◽  
Author(s):  
Stephanie A. Blaszczyk ◽  
Guozhi Xiao ◽  
Peng Wen ◽  
Hua Hao ◽  
Jessica Wu ◽  
...  
Keyword(s):  
Selective Acylation ◽  
Site Selective

Enhanced site-selectivity in acylation reactions with substrate-optimized catalysts on solid supports

2017 ◽  
Vol 53 (21) ◽  
pp. 3086-3089 ◽  
Author(s):  
My Linh Tong ◽  
Florian Huber ◽  
Estelle S. Taghuo Kaptouom ◽  
Torsten Cellnik ◽  
Stefan F. Kirsch
Keyword(s):  
Solid Support ◽  
Solid Supports ◽  
Peptide Conjugates ◽  
Site Selectivity ◽  
Selective Acylation ◽  
Site Selective ◽  
Acylation Reactions

A concept for site-selective acylation is presented, using substrate-optimized DMAP–peptide conjugates on a solid support.

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