Organosilicon Chemistry. Part 157. 1,2-Silyl-Migrative Cyclization of Vinylsilanes Bearing a Hydroxy Group: Stereoselective Synthesis of Multisubstituted Tetrahydropyrans and Tetrahydrofurans.

ChemInform ◽  
2003 ◽  
Vol 34 (6) ◽  
Author(s):  
Katsukiyo Miura ◽  
Takeshi Hondo ◽  
Shigeo Okajima ◽  
Takahiro Nakagawa ◽  
Tatsuyuki Takahashi ◽  
...  
Keyword(s):  
Hydroxy Group ◽  
Stereoselective Synthesis ◽  
Organosilicon Chemistry

Stereoselective synthesis of 2,3-disubstituted indoline, pyrrolidine and cyclic ether-fused 1,2-dihydroquinoline derivatives using alkyne iminium ion cyclization of vinylogous carbamates: switch of regioselectivity using an internal hydroxy group as a nucleophile

2015 ◽  
Vol 51 (71) ◽  
pp. 13623-13626 ◽  
Author(s):  
Santosh J. Gharpure ◽  
V. Prasath ◽  
Vinod Kumar
Keyword(s):  
Hydroxy Group ◽  
Stereoselective Synthesis ◽  
Cyclic Ether ◽  
Iminium Ion

TMSOTf promoted alkyne iminium ion cyclization of vinylogous carbamates gives stereoselective access to indolines, pyrrolidines and dihydroquinolines.

Stereoselective synthesis of 2,5-disubstituted tetrahydrofurans by silicon-directed cyclization of vinylsilanes bearing a hydroxy group

1996 ◽  
Vol 37 (4) ◽  
pp. 487-490 ◽  
Author(s):  
Katsukiyo Miura ◽  
Takeshi Hondo ◽  
Shigeo Okajima ◽  
Akira Hosomi
Keyword(s):  
Hydroxy Group ◽  
Stereoselective Synthesis

Acid-Catalyzed Cyclization of Vinylsilanes Bearing a Hydroxy Group:  A New Method for Stereoselective Synthesis of Disubstituted Tetrahydrofurans1

2000 ◽  
Vol 122 (46) ◽  
pp. 11348-11357 ◽  
Author(s):  
Katsukiyo Miura ◽  
Shigeo Okajima ◽  
Takeshi Hondo ◽  
Takahiro Nakagawa ◽  
Tatsuyuki Takahashi ◽  
...  
Keyword(s):  
Hydroxy Group ◽  
Stereoselective Synthesis ◽  
New Method ◽  
Group A ◽  
Acid Catalyzed
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