Formal highly enantioselective organocatalytic addition of alkyl anions to α,β-unsaturated aldehydes: Application to the synthesis of isotope-enantiomers
A practical and powerful methodology that constitutes an organocatalytic alternative for organometallic 1,4-additions was developed. In a vial, bis(phenylsulfonyl)methane and catalyst V were added to toluene. Next, unsaturated aldehyde 1a was added and th
Alba, Andrea-Nekane,Companyo, Xavier,Moyano, Albert,Rios, Ramon
supporting information; experimental part
p. 11095 - 11099
(2010/04/26)
The organocatalytic addition of bis(arylsulfonyl)methane to α,β-unsaturated aldehydes and the synthesis of optically-enriched 3-methyl-alkanols
An indirect organocatalytic method for the β-methylation of α,β-unsaturated aldehydes that involves the addition of bis(arylsulfonyl)methane catalyzed by prolinol derivatives and further elimination of the chameleonic sulfonyl groups is presented. The Roy
Garcia Ruano, Jose Luis,Marcos, Vanesa,Aleman, Jose
supporting information; experimental part
p. 4435 - 4437
(2009/12/29)
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