Microwave assisted domino heck cyclization and alkynylation: synthesis of alkyne substituted dihydrobenzofurans

2018 ◽  
Vol 20 (2) ◽  
pp. 369-374 ◽  
Author(s):  
Ramesh Karu ◽  
Satyanarayana Gedu
Keyword(s):  
Sonogashira Coupling ◽  
Efficient Synthesis ◽  
Microwave Assisted ◽  
Heck Cyclization

Microwave assisted domino intramolecular Heck and Sonogashira coupling for the efficient synthesis of alkyne substituted dihydrobenzofurans is presented.

scholarly journals Microwave-assisted Efficient Synthesis of Alliodorin and (±)-Curcuhydroquinone

1999 ◽  
Vol 23 (2) ◽  
pp. 164-165
Author(s):  
Goverdhan L. Kad ◽  
Anupam Khurana ◽  
Vasundhara Singh ◽  
Jasvinder Singh
Keyword(s):  
Grignard Reagents ◽  
Methyl Groups ◽  
Efficient Synthesis ◽  
Alkyl Aryl ◽  
Microwave Assisted ◽  
Aryl Bromides ◽  
Key Steps

Terpenoids 1 and 2 have been synthesized from readily available starting materials using Li2CuCI4-catalysed coupling of Grignard reagents with alkyl/aryl bromides and microwave-assisted oxidation of allylic methyl groups, using SeO2/ButOOH adsorbed over SiO2 as key steps.

scholarly journals Microwave-assisted synthesis of a viologen-based covalent organic polymer with redox-tunable polarity for dye adsorption

RSC Advances ◽  
2017 ◽  
Vol 7 (6) ◽  
pp. 3594-3598 ◽  
Author(s):  
Gobinda Das ◽  
Tina Skorjanc ◽  
Thirumurugan Prakasam ◽  
Selbi Nuryyeva ◽  
John-Carl Olsen ◽  
...  
Keyword(s):  
Redox State ◽  
Dye Removal ◽  
Dye Adsorption ◽  
Organic Polymer ◽  
Microwave Assisted Synthesis ◽  
Efficient Synthesis ◽  
Microwave Assisted ◽  
Menshutkin Reaction

We report the efficient synthesis, by microwave-assisted Menshutkin reaction, of a viologen-based covalent organic polymer, and the application of its different redox state in dye removal.

Solvent-Free Microwave-Assisted Efficient Synthesis of 4,4-Disubstituted 2-Oxazolines

2003 ◽  
Vol 2003 (22) ◽  
pp. 4387-4391 ◽  
Author(s):  
Fernando García-Tellado ◽  
André Loupy ◽  
Alain Petit ◽  
Alma Leilani Marrero-Terrero
Keyword(s):  
Solvent Free ◽  
Efficient Synthesis ◽  
Microwave Assisted

Microwave-Assisted Efficient Synthesis of Polymethoxyacetophenones and Natural Polymethoxyflavones, and Their Inhibitory Effects on Melanogenesis

Heterocycles ◽  
2007 ◽  
Vol 71 (7) ◽  
pp. 1589 ◽  
Author(s):  
Masao Tsukayama ◽  
Eiji Kusunoki ◽  
Mohammad M. Hossain ◽  
Yasuhiko Kawamura ◽  
Shinji Hayashi
Keyword(s):  
Efficient Synthesis ◽  
Inhibitory Effects ◽  
Microwave Assisted

Microwave-assisted palladium mediated efficient synthesis of pyrazolo[3,4-b]pyridines, pyrazolo[3,4-b]quinolines, pyrazolo[1,5-a]pyrimidines and pyrazolo[1,5-a]quinazolines

RSC Advances ◽  
2014 ◽  
Vol 4 (46) ◽  
pp. 24001-24006 ◽  
Author(s):  
Kommuri Shekarrao ◽  
Partha Pratim Kaishap ◽  
Venkateshwarlu Saddanapu ◽  
Anthony Addlagatta ◽  
Sanjib Gogoi ◽  
...  
Keyword(s):  
Microwave Irradiation ◽  
Efficient Method ◽  
Solvent Free ◽  
Efficient Synthesis ◽  
Aryl Aldehydes ◽  
Microwave Assisted ◽  
Fused Heterocycles ◽  
Palladium Catalyzed ◽  
Solvent Free Reaction

An efficient method was developed for the synthesis of pyrazole fused heterocycles via the palladium-catalyzed solvent free reaction of β-halovinyl/aryl aldehydes and 3-aminopyrazoles/5-aminopyrazoles under microwave irradiation in good yields.

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