scholarly journals Connective synthesis of 5,5-disubstituted hydantoins by tandem α-amination and α-arylation of silyl ketene acetals

2019 ◽  
Vol 10 (11) ◽  
pp. 3408-3412 ◽  
Author(s):  
Rakesh K. Saunthwal ◽  
Matthew T. Cornall ◽  
Roman Abrams ◽  
John W. Ward ◽  
Jonathan Clayden
Keyword(s):  
Aryl Ring ◽  
Ketene Acetals ◽  
Silyl Ketene Acetals

Amination of a silylated ester generates an intermediate urea that transfers an aryl ring to the aminated centre and cyclises to a hydantoin.

Lewis Base Activation of Lewis Acids. Addition of Silyl Ketene Acetals to Aldehydes

2002 ◽  
Vol 124 (45) ◽  
pp. 13405-13407 ◽  
Author(s):  
Scott E. Denmark ◽  
Thomas Wynn ◽  
Gregory L. Beutner
Keyword(s):  
Lewis Acids ◽  
Lewis Base ◽  
Ketene Acetals ◽  
Silyl Ketene Acetals

ChemInform Abstract: Lanthanoid(II) or -(III) Alkoxide-Promoted Reactions of Silyl Ketene Acetals with Aldehydes.

ChemInform ◽  
2010 ◽  
Vol 24 (51) ◽  
pp. no-no
Author(s):  
Y. MAKIOKA ◽  
I. NAKAGAWA ◽  
Y. TANIGUCHI ◽  
K. TAKAKI ◽  
Y. FUJIWARA
Keyword(s):  
Ketene Acetals ◽  
Silyl Ketene Acetals
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