Nucleophilic Addition of β-Amino Carbanions to Arynes: One-Pot Synthesis of 4-Aryl-N-methyl-1,2,3,4-tetrahydroisoquinolines

2012 ◽  
Vol 14 (9) ◽  
pp. 2202-2205 ◽  
Author(s):  
Kamal Nain Singh ◽  
Paramjit Singh ◽  
Pushpinder Singh ◽  
Yadwinder Singh Deol
SynOpen ◽  
2019 ◽  
Vol 03 (04) ◽  
pp. 138-141
Author(s):  
Man Lung D. Kwan ◽  
Paul R. Challen ◽  
Quynh D.-D. Tran

A convenient one-pot synthesis of allylsilanes from enolizable methyl aryl ketones has been developed. The first step involves nucleophilic addition of the trimethylsilylmethyl group to ketones using the alkylation method developed by Ishihara with slight modification to generate the corresponding β-silylalkoxides. The second step entails addition of diisobutylaluminum chloride and heating at about 130 °C overnight to afford allylsilanes in fair yields.


2007 ◽  
Vol 4 (8) ◽  
pp. 567-570 ◽  
Author(s):  
Robabeh Baharfar ◽  
Seyed Baghbanian ◽  
Roghayeh Hossein nia ◽  
Hamid Bijanzadeh

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