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

Synlett ◽  
2021 ◽  
Author(s):  
Ying-Yeung Yeung ◽  
Jonathan Wong

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


2007 ◽  
Vol 601 (4) ◽  
pp. 1108-1117 ◽  
Author(s):  
B. Tränkenschuh ◽  
C. Papp ◽  
T. Fuhrmann ◽  
R. Denecke ◽  
H.-P. Steinrück

2021 ◽  
Author(s):  
Yunbo Zhao ◽  
Dipendu Mandal ◽  
Jing Guo ◽  
Yile Wu ◽  
Douglas W Stephan

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...


2020 ◽  
Vol 49 (2) ◽  
pp. 182-185 ◽  
Author(s):  
Hiromitsu Shibayama ◽  
Yoshihiro Ueda ◽  
Takeo Kawabata

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

2017 ◽  
Vol 8 (11) ◽  
pp. 1702514 ◽  
Author(s):  
Aram Choi ◽  
Jungwoo Lim ◽  
Hyung-Jin Kim ◽  
Sung Chul Jung ◽  
Hyung-Woo Lim ◽  
...  

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