Structure Elucidation of “Hydroxycycloaraneosene” by Unambiguous Total Synthesis. An Eight-Membered Ring Formation via a Lewis Acid-Catalyzed Ene-Reaction

1989 ◽  
Vol 18 (1) ◽  
pp. 91-94 ◽  
Author(s):  
Nobuo Kato ◽  
Xue Wu ◽  
Shinya Tanaka ◽  
Hitoshi Takeshita
Keyword(s):  
Total Synthesis ◽  
Lewis Acid ◽  
Structure Elucidation ◽  
Membered Ring ◽  
Ring Formation ◽  
Ene Reaction ◽  
Acid Catalyzed

A Lewis Acid Catalyzed Intramolecular [4 + 3] Cycloaddition Route to Polycyclic Systems that Contain a Seven-Membered Ring.

ChemInform ◽  
2005 ◽  
Vol 36 (14) ◽  
Author(s):  
Gildas Prie ◽  
Natacha Prevost ◽  
Heather Twin ◽  
Stephanie A. Fernandes ◽  
Jerome F. Hayes ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Membered Ring ◽  
Acid Catalyzed

ChemInform Abstract: Lewis Acid Catalyzed Intramolecular Direct Ene Reaction of Indoles.

ChemInform ◽  
2011 ◽  
Vol 42 (18) ◽  
pp. no-no
Author(s):  
Bo Han ◽  
You-Cai Xiao ◽  
Yuan Yao ◽  
Ying-Chun Chen
Keyword(s):  
Lewis Acid ◽  
Ene Reaction ◽  
Acid Catalyzed

An enantioselective strategy for the total synthesis of (S)-tylophorine via catalytic asymmetric allylation and a one-pot DMAP-promoted isocyanate formation/Lewis acid catalyzed cyclization sequence

2014 ◽  
Vol 12 (22) ◽  
pp. 3616-3621 ◽  
Author(s):  
Bo Su ◽  
Hui Zhang ◽  
Meng Deng ◽  
Qingmin Wang
Keyword(s):  
Total Synthesis ◽  
Lewis Acid ◽  
Asymmetric Allylation ◽  
One Pot ◽  
Acid Catalyzed ◽  
Catalytic Asymmetric

A novel total synthesis of (S)-tylophorine is reported, featuring asymmetric allylation and cascade isocyanate formation and cyclization.

Lewis Acid Catalyzed Intramolecular Direct Ene Reaction of Indoles

2010 ◽  
Vol 122 (52) ◽  
pp. 10387-10389 ◽  
Author(s):  
Bo Han ◽  
You-Cai Xiao ◽  
Yuan Yao ◽  
Ying-Chun Chen
Keyword(s):  
Lewis Acid ◽  
Ene Reaction ◽  
Acid Catalyzed
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