Behaviour of β-Keto-δ-carbethoxyphosphonates and Phosphine Oxides in the Biginelli Multicomponent Reaction: Regioselective Synthesis of 5-Carbethoxy-6-phosphonomethyl-3,4-dihydropyrimidin-2-ones

Heterocycles ◽  
2012 ◽  
Vol 85 (11) ◽  
pp. 2765 ◽  
Author(s):  
Soufiane Touil ◽  
Emna Chebil
Keyword(s):  
Multicomponent Reaction ◽  
Regioselective Synthesis ◽  
Phosphine Oxides

Acetic acid mediated regioselective synthesis of 2,4,5-trisubstituted thiazoles by a domino multicomponent reaction

2019 ◽  
Vol 43 (22) ◽  
pp. 8644-8650 ◽  
Author(s):  
Mohit Saroha ◽  
Jitender M. Khurana
Keyword(s):  
Acetic Acid ◽  
Multicomponent Reaction ◽  
Regioselective Synthesis ◽  
Domino Reaction ◽  
Thiazole Derivatives ◽  
Active Methylene

Acetic acid mediated regioselective synthesis of novel 2,4,5-trisubstituted thiazole derivatives has been reported by a domino reaction of thiosemicarbazide and aldehydes/ketones/isatin, to generate thiosemicarbazones (in situ) followed by addition of arylglyoxal and active methylene/activated C–H acids/pyrazole/indole in ethanol at 80 °C.

Regioselective synthesis of 3,4,5-trisubstituted 2-aminofurans

2014 ◽  
Vol 12 (28) ◽  
pp. 5098-5101 ◽  
Author(s):  
Thi Ngoc Tram Huynh ◽  
Pascal Retailleau ◽  
Clément Denhez ◽  
Kim Phi Phung Nguyen ◽  
Dom Guillaume
Keyword(s):  
Multicomponent Reaction ◽  
Regioselective Synthesis

Three series of methyl 5-substituted 2-aminofuran-4-keto-3-carboxylates have been prepared following a multicomponent reaction strategy by the addition of an isocyanide to 4-oxo-2-butynoate in the presence of an aldehyde.

Regioselective Synthesis of 4- and 5-Oxazole-phosphine Oxides and -phosphonates from 2H-Azirines and Acyl Chlorides.

ChemInform ◽  
2005 ◽  
Vol 36 (2) ◽  
Author(s):  
Francisco Palacios ◽  
Ana M. Ochoa de Retana ◽  
Jose I. Gil ◽  
Jose M. Alonso
Keyword(s):  
Regioselective Synthesis ◽  
Phosphine Oxides ◽  
Acyl Chlorides

Regioselective Synthesis of 1,2-Dihydroquinolines by a Solvent-Free MgBr2-Catalyzed Multicomponent Reaction

2013 ◽  
Vol 78 (19) ◽  
pp. 9614-9626 ◽  
Author(s):  
Rsuini U. Gutiérrez ◽  
Hans C. Correa ◽  
Rafael Bautista ◽  
José Luis Vargas ◽  
Alberto V. Jerezano ◽  
...  
Keyword(s):  
Multicomponent Reaction ◽  
Solvent Free ◽  
Regioselective Synthesis

Regioselective synthesis of 4- and 5-oxazole-phosphine oxides and -phosphonates from 2H-azirines and acyl chlorides

Tetrahedron ◽  
2004 ◽  
Vol 60 (40) ◽  
pp. 8937-8947 ◽  
Author(s):  
Francisco Palacios ◽  
Ana M. Ochoa de Retana ◽  
José I. Gil ◽  
José M. Alonso
Keyword(s):  
Regioselective Synthesis ◽  
Phosphine Oxides ◽  
Acyl Chlorides
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