Calcium-catalyzed regioselective dehydrative cross-coupling of propargylic alcohols with 1,3-dicarbonyl compounds

2019 ◽  
Vol 21 (19) ◽  
pp. 5207-5211 ◽  
Author(s):  
Peizhong Xie ◽  
Xiangyang Wo ◽  
Xiaobo Yang ◽  
Xinying Cai ◽  
Shuangshuang Li ◽  
...  
Keyword(s):  
Room Temperature ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Solvent Free ◽  
Dicarbonyl Compounds ◽  
Propargylic Alcohols ◽  
Cross Coupling Reaction ◽  
Solvent Free Conditions

A calcium-catalyzed in situ dehydrative cross-coupling reaction of propargylic alcohols with 1,3-dicarbonyl compounds was developed at room temperature under solvent-free conditions.

Analysis of the water extract of waste papaya bark ash and its implications as an in situ base in the ligand-free recyclable Suzuki–Miyaura coupling reaction

RSC Advances ◽  
2016 ◽  
Vol 6 (34) ◽  
pp. 28981-28985 ◽  
Author(s):  
Manashi Sarmah ◽  
Anindita Dewan ◽  
Manoj Mondal ◽  
Ashim J. Thakur ◽  
Utpal Bora
Keyword(s):  
Room Temperature ◽  
Water Extract ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Basic Medium ◽  
Low Temperature Combustion ◽  
Cross Coupling Reaction ◽  
Ligand Free ◽  
Temperature Combustion

The conversion of waste papaya-bark to ash–water extract via low-temperature combustion, and its utilization as an efficient and eco-friendly in situ basic medium for Suzuki–Miyaura cross-coupling reaction at room temperature are reported.

ChemInform Abstract: Metal-Free Cross-Coupling Reaction of Aldehydes with Disulfides by Using DTBP as an Oxidant under Solvent-Free Conditions.

ChemInform ◽  
2014 ◽  
Vol 45 (37) ◽  
pp. no-no
Author(s):  
Jing-Wen Zeng ◽  
Yi-Chen Liu ◽  
Ping-An Hsieh ◽  
Yu-Ting Huang ◽  
Chih-Lun Yi ◽  
...  
Keyword(s):  
Coupling Reaction ◽  
Cross Coupling ◽  
Solvent Free ◽  
Metal Free ◽  
Cross Coupling Reaction ◽  
Solvent Free Conditions

Metal-free cross-coupling reaction of aldehydes with disulfides by using DTBP as an oxidant under solvent-free conditions

2014 ◽  
Vol 16 (5) ◽  
pp. 2644-2652 ◽  
Author(s):  
Jing-Wen Zeng ◽  
Yi-Chen Liu ◽  
Ping-An Hsieh ◽  
Yu-Ting Huang ◽  
Chih-Lun Yi ◽  
...  
Keyword(s):  
Functional Group ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Solvent Free ◽  
Metal Free ◽  
Cross Coupling Reaction ◽  
Solvent Free Conditions

A DTBP-promoted C–H thiolation of aldehydes with disulfides under metal-free and solvent-free conditions is described. The system shows good functional group tolerance to afford thioesters in moderate to excellent yields.

A Merrifield resin supported Pd–NHC complex with a spacer(Pd–NHC@SP–PS) for the Sonogashira coupling reaction under copper- and solvent-free conditions

2015 ◽  
Vol 39 (3) ◽  
pp. 2333-2341 ◽  
Author(s):  
Sanjay N. Jadhav ◽  
Arjun S. Kumbhar ◽  
Sawanta S. Mali ◽  
Chang Kook Hong ◽  
Rajashri S. Salunkhe
Keyword(s):  
Coupling Reaction ◽  
Cross Coupling ◽  
Solvent Free ◽  
Sonogashira Coupling ◽  
Cross Coupling Reaction ◽  
Solvent Free Conditions ◽  
Sonogashira Coupling Reaction ◽  
Merrifield Resin ◽  
Polymer Supported ◽  
Supported Pd

Synthetic applications of a polymer supported air-stable palladium NHC complex with a spacer (catalyst6, Pd–NHC@SP–PS) and without a spacer (catalyst7, Pd–NHC@PS) have been studied for the Sonogashira cross-coupling reaction.

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