Indium(iii) triflate-catalysed [4 + 2] benzannulation reactions of o-alkynylbenzaldehydes with enolisable carbonyl compounds: selective synthesis of naphthyl ketones

2014 ◽  
Vol 12 (2) ◽  
pp. 269-277 ◽  
Author(s):  
Karuppusamy Sakthivel ◽  
Kannupal Srinivasan
Keyword(s):  
Carbonyl Compounds ◽  
Selective Synthesis

Regio-selective synthesis of diversely substituted benzo[a]carbazoles through Rh(iii)-catalyzed annulation of 2-arylindoles with α-diazo carbonyl compounds

2017 ◽  
Vol 53 (7) ◽  
pp. 1297-1300 ◽  
Author(s):  
Bin Li ◽  
Beibei Zhang ◽  
Xinying Zhang ◽  
Xuesen Fan
Keyword(s):  
Carbonyl Compounds ◽  
Cascade Reactions ◽  
Synthetic Approach ◽  
Selective Synthesis ◽  
Diazo Carbonyl Compounds

A novel synthetic approach toward benzo[a]carbazoles and 6-aminobenzo[a]carbazoles containing an unprotected NH unit through Rh(iii)-catalyzed cascade reactions of 2-arylindoles or 2-arylindole-3-carbonitriles with α-diazo carbonyl compounds is presented.

Z ‐Selective Synthesis of α‐Sulfanyl Carbonyl Compounds from Internal Alkynes and Thiols via Photoredox Catalysis

2021 ◽  
Author(s):  
Alberto Luridiana ◽  
Angelo Frongia ◽  
Mariano Andrea Scorciapino ◽  
Giuliano Malloci ◽  
Barbara Manconi ◽  
...  
Keyword(s):  
Carbonyl Compounds ◽  
Selective Synthesis ◽  
Photoredox Catalysis ◽  
Internal Alkynes

Aldehyde/ketone-catalyzed highly selective synthesis of 9-monoalkylated fluorenes by dehydrative C-alkylation with primary and secondary alcohols

2017 ◽  
Vol 19 (3) ◽  
pp. 623-628 ◽  
Author(s):  
Jianhui Chen ◽  
Yang Li ◽  
Shuangyan Li ◽  
Jianping Liu ◽  
Fei Zheng ◽  
...  
Keyword(s):  
Carbonyl Compounds ◽  
Secondary Alcohols ◽  
Selective Synthesis

Carbonyl compounds efficiently catalyze the dehydrative 9-C-alkylation of fluorenes with various primary and secondary alcohols to provide the useful 9-monoalkylated fluorenes in high selectivities.

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