NBS-promoted halosulfonylation of terminal alkynes: highly regio- and stereoselective synthesis of (E)-β-halo vinylsulfones

2014 ◽  
Vol 1 (4) ◽  
pp. 361-364 ◽  
Author(s):  
Yang Gao ◽  
Wanqing Wu ◽  
Yubing Huang ◽  
Kefan Huang ◽  
Huanfeng Jiang
Keyword(s):  
Stereoselective Synthesis ◽  
High Yield ◽  
Terminal Alkynes

An efficient NBS-promoted method for the synthesis of (E)-β-halo vinylsulfones with high yield and selectivity has been developed.

The Azidosulfonylation of Terminal Alkynes Leading to β-azidovinyl Sulfones

2021 ◽  
Author(s):  
Long Zheng ◽  
Zhanjing Wang ◽  
Chen Li ◽  
Yong Wu ◽  
Zhaohong Liu ◽  
...  
Keyword(s):  
Dft Calculations ◽  
Functional Group ◽  
High Yield ◽  
Terminal Alkynes

We reported herein the first example of N3 radical-mediated azidosulfonylation of alkynes, affording the β-azidovinyl sulfone products in broad substrate scope, excellent functional group compatibility, and high yield. DFT calculations...

scholarly journals Alkoxide-catalyzed addition of alkyl carbonates across alkynes – stereoselective synthesis of (E)-β-alkoxyacrylates

2017 ◽  
Vol 19 (3) ◽  
pp. 643-646
Author(s):  
Timo Wendling ◽  
Eugen Risto ◽  
Benjamin Erb ◽  
Lukas J. Gooßen
Keyword(s):  
Stereoselective Synthesis ◽  
Terminal Alkynes ◽  
Potassium Methoxide ◽  
Stereoselective Addition

Terminal alkynes were converted to (E)-β-alkoxyacrylates via regio- and stereoselective addition of dialky carbonates catalyzed by potassium methoxide.

Stereoselective Synthesis of (Z)-1,2-Diarylthio-1-alkene via the Reaction of Diaryl Disulfides with Terminal Alkynes Catalyzed by Cesium Hydroxide

2009 ◽  
Vol 39 (14) ◽  
pp. 2464-2471 ◽  
Author(s):  
Kang Bing Zou ◽  
Xian Hong Yin ◽  
Wen Qi Liu ◽  
Ren Hua Qiu ◽  
Ruo Xin Li ◽  
...  
Keyword(s):  
Stereoselective Synthesis ◽  
Terminal Alkynes ◽  
Cesium Hydroxide

ChemInform Abstract: Stereoselective Synthesis of 2,3-Dihydropyrroles from Terminal Alkynes, Azides, and α,β-Unsaturated Aldehydes via N-Sulfonyl-1,2,3-triazoles.

ChemInform ◽  
2014 ◽  
Vol 45 (11) ◽  
pp. no-no
Author(s):  
Tomoya Miura ◽  
Takamasa Tanaka ◽  
Kentaro Hiraga ◽  
Scott G. Stewart ◽  
Masahiro Murakami
Keyword(s):  
Stereoselective Synthesis ◽  
Terminal Alkynes ◽  
Unsaturated Aldehydes

Stereoselective Synthesis of 2,3-Dihydropyrroles from Terminal Alkynes, Azides, and α,β-Unsaturated Aldehydes via N-Sulfonyl-1,2,3-triazoles

2013 ◽  
Vol 135 (37) ◽  
pp. 13652-13655 ◽  
Author(s):  
Tomoya Miura ◽  
Takamasa Tanaka ◽  
Kentaro Hiraga ◽  
Scott G. Stewart ◽  
Masahiro Murakami
Keyword(s):  
Stereoselective Synthesis ◽  
Terminal Alkynes ◽  
Unsaturated Aldehydes

scholarly journals Stereoselective synthesis of 2′-modified nucleosides by using ortho-alkynyl benzoate as a gold(i)-catalyzed removable neighboring participation group

RSC Advances ◽  
2017 ◽  
Vol 7 (4) ◽  
pp. 1814-1817 ◽  
Author(s):  
Haixin Ding ◽  
Chuang Li ◽  
Yirong Zhou ◽  
Sanguo Hong ◽  
Ning Zhang ◽  
...  
Keyword(s):  
Stereoselective Synthesis ◽  
Modified Nucleosides ◽  
High Yield

ortho-Alkynyl benzoate was developed as a neighboring participation group in stereoselective synthesis of nucleosides, which could be removed using gold(i)-catalysis to afford 2′-OH nucleosides in high yield and selectivity.

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