S ‐Carboxyanhydrides: Ultrafast and Selective Ring‐Opening Polymerizations Towards Well‐defined Functionalized Polythioesters

2021 ◽  
Vol 60 (19) ◽  
pp. 10798-10805
Author(s):  
Yanchao Wang ◽  
Maosheng Li ◽  
Shixue Wang ◽  
Youhua Tao ◽  
Xianhong Wang
Keyword(s):  
Ring Opening ◽  
Selective Ring Opening

S ‐Carboxyanhydrides: Ultrafast and Selective Ring‐Opening Polymerizations Towards Well‐defined Functionalized Polythioesters

2021 ◽  
Vol 133 (19) ◽  
pp. 10893-10900
Author(s):  
Yanchao Wang ◽  
Maosheng Li ◽  
Shixue Wang ◽  
Youhua Tao ◽  
Xianhong Wang
Keyword(s):  
Ring Opening ◽  
Selective Ring Opening

C3-Allylation of Indoles via an Iridium-Catalyzed Branch-Selective Ring-Opening Reaction of Vinylcyclopropanes

Synthesis ◽  
2018 ◽  
Vol 51 (07) ◽  
pp. 1655-1661 ◽  
Author(s):  
Guang-Jian Mei ◽  
Feng Shi ◽  
Lei Yu ◽  
Zi-Qi Zhu ◽  
Meng Sun
Keyword(s):  
Ring Opening ◽  
Economic Approach ◽  
Whole Process ◽  
Ring Opening Reaction ◽  
Selective Ring Opening

An iridium-catalyzed branch-selective ring-opening reaction of vinylcyclopropanes with indoles has been established, which afforded C3-allylindoles in generally good to excellent yields (up to 95%). Considering that no wastes were generated in the whole process and branch-selective ring-opening reaction of vinylcyclopropanes was rarely reported, this strategy not only can be regarded as a highly atom-economic approach for C3-allylindoles, but also will greatly enrich the chemistry of vinylcyclopropanes.

Asymmetric Syntheses of Pyrrolidine and Piperidine Derivatives via Regio- and Stereo-Selective Ring-Opening Reactions of Chiral Aziridine

Heterocycles ◽  
2012 ◽  
Vol 86 (1) ◽  
pp. 371 ◽  
Author(s):  
Kimio Higashiyama ◽  
Masataka Matsumura ◽  
Emiko Kurita ◽  
Takayasu Yamauchi
Keyword(s):  
Ring Opening ◽  
Asymmetric Syntheses ◽  
Ring Opening Reactions ◽  
Selective Ring Opening

Selective Ring Opening of Methylcyclopentane and Methylcyclohexane Over Iridium Bifunctional Catalysts Supported on Surface Modified γ-Al2O3, SiO2 and Ultra Stable Y Zeolites

2011 ◽  
Vol 141 (7) ◽  
pp. 1047-1055 ◽  
Author(s):  
R. Nageswara Rao ◽  
Nansuk You ◽  
Songhun Yoon ◽  
Dipali Pravin Upare ◽  
Yong-Ki Park ◽  
...  
Keyword(s):  
Ring Opening ◽  
Bifunctional Catalysts ◽  
Y Zeolites ◽  
Selective Ring Opening ◽  
Surface Modified

Synthesis of Cellulose-Type Polyriboses and Their Branched Sulfates with Anti-AIDS Virus Activity by Selective Ring-Opening Copolymerization of 1,4-Anhydro-.alpha.-D-ribopyranose Derivatives

1994 ◽  
Vol 27 (16) ◽  
pp. 4422-4428 ◽  
Author(s):  
Takashi Yoshida ◽  
Chengpei Wu ◽  
Lixin Song ◽  
Toshiyuki Uryu ◽  
Yutaro Kaneko ◽  
...  
Keyword(s):  
Ring Opening ◽  
Virus Activity ◽  
Aids Virus ◽  
Selective Ring Opening
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