Mechanism of the Hydrolytic Cleavage of Carbon—Carbon Bonds. II. Alcoholysis of Acetylacetone and Some 2-Ketoalkylpyridinium Salts

1951 ◽  
Vol 73 (3) ◽  
pp. 931-934 ◽  
Author(s):  
Ralph G. Pearson ◽  
Angelo C. Sandy
Keyword(s):  
Hydrolytic Cleavage ◽  
Carbon Carbon Bonds ◽  
Carbon Bonds

scholarly journals Broad scope gold(i)-catalysed polyenyne cyclisations for the formation of up to four carbon–carbon bonds

2017 ◽  
Vol 15 (10) ◽  
pp. 2163-2167 ◽  
Author(s):  
Zhouting Rong ◽  
Antonio M. Echavarren
Keyword(s):  
Single Step ◽  
Simultaneous Formation ◽  
Broad Scope ◽  
Carbon Carbon Bonds ◽  
Carbon Bonds ◽  
First Time ◽  
High Stereoselectivity

The polycyclisation of polyeneynes catalyzed by gold(i) has been extended for the first time to the simultaneous formation of up to four carbon–carbon bonds, leading to steroid-like molecules with high stereoselectivity in a single step with low catalyst loadings.

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