Acyclic diastereoselection in prochiral radical addition to prochiral olefins
The stereochemical preference (syn or anti) when prochiral radicals add to prochiral acceptors is of fundamental interest. The primary focus of this research was to determine which factors influence the relative stereochemistry between the β and γ chiral
Sibi, Mukund P.,Rheault, Tara R.,Chandramouli, Sithamalli V.,Jasperse, Craig P.
Enantioselective conjugate radical addition reactions mediated by chiral Lewis acid complexes of (R,R)-4,6-dibenzofurandiyl-2,2'-bis(4- phenyloxazoline) (DBFOX/Ph)
A high-yielding synthesis (50% overall yield) of tridentate bisoxazoline ligand (R,R)-4,6-dibenzofurandiyl-2,2'-bis(4-phenyloxazoline) (DBFOX/Ph) was developed. DBFOX/Ph was subsequently tested in enantioselective conjugate radical additions onto 3-(3-phe
Iserloh, Ulrich,Curran, Dennis P.,Kanemasa, Shuji
p. 2417 - 2428
(2007/10/03)
1,4-Addition of Dialkylaluminium Chlorides to α,β-Unsaturated Carboxylic Acid Derivatives: a New Synthesis of β-Branched Carboxylic Acids
A new synthesis of β-branched carboxylic acid derivatives by the 1,4-addition of dialkylaluminium chlorides to α,β-unsaturated N-acyl amides, the oxazolidones (1) and the oxazinone (4), is described.
Kunz, Horst,Pees, Klaus Juergen
p. 1168 - 1169
(2007/10/02)
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