Ring-opening formal hetero-[5+2] cycloaddition of 1-tosyl-2,3-dihydro-1H-pyrroles with terminal alkynes: entry to 1-tosyl-2,3-dihydro 2,3-dihydro-1H-azepines

2019 ◽  
Vol 55 (75) ◽  
pp. 11295-11298 ◽  
Author(s):  
Ming-Bo Zhou ◽  
Rui Pi ◽  
Fan Teng ◽  
Yang Li ◽  
Jin-Heng Li
Keyword(s):  
Lewis Acid ◽  
Ring Opening ◽  
Bond Cleavage ◽  
Terminal Alkynes ◽  
Acid Catalyzed

Lewis acid-catalyzed formal hetero-[5+2] cycloaddition of 2,3-dihydro-1H-pyrroles with alkynes through C(sp2)–N bond cleavage toward 2,3-dihydro-1H-azepines is described.

scholarly journals Lewis Acid Catalyzed Ring-Opening 1,3-Aminothiolation of Donor–Acceptor Cyclopropanes Using Sulfenamides

2020 ◽  
Vol 22 (6) ◽  
pp. 2276-2280 ◽  
Author(s):  
Avishek Guin ◽  
Thukaram Rathod ◽  
Rahul N. Gaykar ◽  
Tony Roy ◽  
Akkattu T. Biju
Keyword(s):  
Lewis Acid ◽  
Ring Opening ◽  
Donor Acceptor ◽  
Acid Catalyzed

ChemInform Abstract: Lewis Acid-Catalyzed Ring-Opening Addition Reactions of Alcohols to Vinylcyclopropane.

ChemInform ◽  
2016 ◽  
Vol 47 (21) ◽  
Author(s):  
Shin-ichi Matsuoka ◽  
Kazuki Numata ◽  
Masato Suzuki
Keyword(s):  
Lewis Acid ◽  
Ring Opening ◽  
Addition Reactions ◽  
Acid Catalyzed
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