F430 Model Chemistry. An Investigation of Nickel Complexes as Catalysts for the Reduction of Alkyl Halides and Methyl Coenzyme-M by Sodium Borohydride

1997 ◽  
Vol 36 (4) ◽  
pp. 593-600 ◽  
Author(s):  
Alan M. Stolzenberg ◽  
Zhong Zhang
Keyword(s):  
Sodium Borohydride ◽  
Nickel Complexes ◽  
Alkyl Halides ◽  
Coenzyme M

Intramolecular Radical Cyclization of Vinyl, Aryl and Alkyl Halides Using Catalytic Amount of Bis-tri-n-butyltin Oxide/Sodium Borohydride: A Novel Entry to Functionalized Carbocycles

Synlett ◽  
2015 ◽  
Vol 26 (08) ◽  
pp. 1055-1058 ◽  
Author(s):  
Namasivayam Palani ◽  
Sengottuvelan Balasubramanian ◽  
Tarur Dinesh
Keyword(s):  
Sodium Borohydride ◽  
Catalytic Amount ◽  
Radical Cyclization ◽  
Alkyl Halides ◽  
Cyclization Reactions

We wish to report a facile method in which a catalytic amount of bis-tri-n-butyltinoxide (TBTO) in the presence of sodium borohydride efficiently brings about the intramolecular radical cyclization of a variety of vinyl, aryl and alkyl halides to their corresponding functionalized bicyclic and tricyclic carbocycle frameworks. The methodology obviates the need for stoichiometric amounts of tin reagent normally required for radical cyclization reactions.

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