Metal- and base-free reductive coupling reaction of P(O)–H with aryl/alkyl sulfonyl chlorides: a novel protocol for the construction of P–S–C bonds

2017 ◽  
Vol 15 (3) ◽  
pp. 545-549 ◽  
Author(s):  
Dungai Wang ◽  
Jinlong Zhao ◽  
Weigang Xu ◽  
Changwei Shao ◽  
Zheng Shi ◽  
...  
Keyword(s):  
Coupling Reaction ◽  
Reductive Coupling ◽  
Efficient Synthesis ◽  
Sulfonyl Chlorides

Novel and efficient synthesis of S-aryl/alkyl phosphinothioates from P(O)–H and aryl/alkyl sulfonyl chlorides under metal- and base-free conditions is described.

scholarly journals PEG-embedded KBr3: A recyclable catalyst for multicomponent coupling reaction for the efficient synthesis of functionalized piperidines

2011 ◽  
Vol 7 ◽  
pp. 1334-1341 ◽  
Author(s):  
Sanny Verma ◽  
Suman L Jain ◽  
Bir Sain
Keyword(s):  
Coupling Reaction ◽  
Recyclable Catalyst ◽  
Efficient Synthesis ◽  
Molecular Bromine ◽  
Keto Ester ◽  
One Step ◽  
High Yields ◽  
Multicomponent Coupling ◽  
Three Component Coupling

PEG-embedded potassium tribromide ([K+PEG]Br3 −) was found to be an efficient and recyclable catalyst for the synthesis of functionalized piperidines in high yields in a one step, three component coupling between aldehyde, amine and β-keto ester. At the end of the reaction the [K+PEG]Br3 − was readily regenerated from the reaction mixture by treating the residue containing [K+PEG]Br− with molecular bromine.

scholarly journals Phosphite-Mediated Reductive Cross-Coupling of Isatins and Nitro­styrenes

Synthesis ◽  
2017 ◽  
Vol 49 (12) ◽  
pp. 2663-2676 ◽  
Author(s):  
Somayeh Motevalli ◽  
Jeffrey Johnson
Keyword(s):  
Coupling Reaction ◽  
Cross Coupling ◽  
Reductive Coupling ◽  
Title Reaction ◽  
Dimethyl Phosphite ◽  
Mild Conditions ◽  
Michael Type Addition

A new reductive coupling reaction between N-alkylisatins, dimethyl phosphite, and nitrostyrenes has been developed. The reaction relies on Pudovik addition, subsequent phosphonate–phosphate rearrangement, and Michael-type addition of a transient carbanion on the indolinone with β-nitrostyrenes. This protocol introduces a convenient and versatile method for the construction of polyfunctionalized tertiary phosphates under mild conditions. Chiral general bases catalyze the title reaction with promising levels of enantioselectivity.

Aryl thiol-vinyl azide coupling reaction and thiol-vinyl azide coupling/cyclization cascade: efficient synthesis of β-ketosulfides and arene-fused 5-methylene-2-pyrrolidinone derivatives

2021 ◽  
Author(s):  
Yong Wang ◽  
Yu-Jiao Wang ◽  
Xian-Cheng Liang ◽  
Mei-Hua Shen ◽  
Hua-Dong Xu ◽  
...  
Keyword(s):  
Addition Reaction ◽  
Coupling Reaction ◽  
The Other ◽  
Efficient Synthesis ◽  
Coupling Process

The addition reaction of thiol to vinyl azide has been extensively studied. Variously substituted aryl thiols are all viable for this coupling process. The scope of the other partner is...

An Efficient Synthesis of Optically Active 4-Benzyloxy-3-hydoroxy-1-butyne and Its Cross-Coupling Reaction

Heterocycles ◽  
1992 ◽  
Vol 33 (2) ◽  
pp. 831 ◽  
Author(s):  
Seiichi Takano ◽  
Masashi Akiyama ◽  
Takumichi Sugihara ◽  
Kunio Ogasawara
Keyword(s):  
Coupling Reaction ◽  
Cross Coupling ◽  
Optically Active ◽  
Efficient Synthesis ◽  
Cross Coupling Reaction

The role of oligomers in the synthesis of polysilanes by the Wurtz reductive coupling reaction

2003 ◽  
Vol 685 (1-2) ◽  
pp. 60-64 ◽  
Author(s):  
Daniel Bratton ◽  
Simon J. Holder ◽  
Richard G. Jones ◽  
William K.C. Wong
Keyword(s):  
Coupling Reaction ◽  
Reductive Coupling
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