Stereochemistry of lewis acid and fluoride promoted intramolecular cyclization of β-(alkoxycarbonyl)allylsilane with enones. Synthesis of bicyclo[4.3.0]nonanes

Tetrahedron ◽  
1997 ◽  
Vol 53 (3) ◽  
pp. 839-858 ◽  
Author(s):  
Chiaki Kuroda ◽  
Hiroyuki Nogami ◽  
Yuki Ohnishi ◽  
Yoshihiro Kimura ◽  
James Y. Satoh
Keyword(s):  
Intramolecular Cyclization ◽  
Lewis Acid

ChemInform Abstract: Lewis Acid-Mediated Intramolecular Cyclization of the Dienol Silyl Ether or Enol Silyl Ether and the Acetal for Medium-Sized Ring Formation.

ChemInform ◽  
2010 ◽  
Vol 24 (15) ◽  
pp. no-no
Author(s):  
Y. KATAOKA ◽  
Y. NAKAMURA ◽  
K. MORIHIRA ◽  
H. ARAI ◽  
Y. HORIGUCHI ◽  
...  
Keyword(s):  
Intramolecular Cyclization ◽  
Lewis Acid ◽  
Ring Formation ◽  
Silyl Ether

Lewis Acid Promoted Intramolecular Cyclization of (η4-Diene)Fe(CO)3Complexes Bearing Functionalized Side Chains

1997 ◽  
Vol 16 (20) ◽  
pp. 4435-4444 ◽  
Author(s):  
Ming-Chang P. Yeh ◽  
L.-W. Chuang ◽  
S.-C. Chang ◽  
M.-L. Lai ◽  
C.-C. Chou
Keyword(s):  
Intramolecular Cyclization ◽  
Lewis Acid ◽  
Side Chains ◽  
Functionalized Side

Zirconyl Nitrate as an Efficient Catalyst for Facile Synthesis of 2-Aryl-2,3-dihydroquinolin-4(1H)-one Derivatives in Aqueous ­Medium

Synlett ◽  
2017 ◽  
Vol 29 (02) ◽  
pp. 235-237
Author(s):  
Amarsinha Gorepatil ◽  
Pratapsinha Gorepatil ◽  
Mahadev Gaikwad ◽  
Dattakumar Mhamane ◽  
Ajit Phadkule ◽  
...  
Keyword(s):  
Aqueous Medium ◽  
Intramolecular Cyclization ◽  
Lewis Acid ◽  
Efficient Method ◽  
Acid Catalyst ◽  
Facile Synthesis ◽  
Zirconyl Nitrate ◽  
Reaction Conditions ◽  
Efficient Catalyst ◽  
Lewis Acid Catalyst

A simple, green, and efficient method is introduced for the synthesis of 2-aryl-2,3-dihydroquinolin-4(1H)-ones under mild reaction conditions with improved yields by intramolecular cyclization of o-aminochalcones with zirconyl nitrate [Zn(O)(NO3)2·nH2O] as a water-tolerant Lewis-acid catalyst.

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