Highly Diastereoselective Indium-Mediated Allylation of Proline-Derived Hydrazones
                    
                        
                            نویسندگان
                            
                            
                        
                        
                    
                    
                    چکیده
منابع مشابه
Diastereoselective indium-mediated allylation of N-tert-butanesulfinyl ketimines: easy access to asymmetric quaternary stereocenters bearing nitrogen atoms.
Indium-mediated allylation of N-tert-butanesulfinyl ketimines afforded in high yields and diastereoselectivities homoallylic amine derivatives with the nitrogen atom bonded to a quaternary stereocenter.
متن کاملIndium mediated allylation in peptide and protein functionalization.
Indium-mediated allylation has been used in the site-selective functionalization of N-terminal aldehydes of peptides and proteins. This is the first demonstration of indium-mediated C-C bond formation in protein labelling studies under mild and environmentally friendly conditions.
متن کاملHighly diastereoselective construction of acyclic systems with two adjacent quaternary stereocenters by allylation of ketones.
Unsymmetrical ketones and allyltitanocenes generated by the desulfurizative titanation of γ,γ-disubstituted allyl phenyl sulfides react under highly diastereoselective construction of adjacent quaternary stereocenters (see scheme; R(L) = large group, R(S) = small group). The title reaction is stereospecific: the anti- and syn-homoallylic alcohols are obtained by the reaction of E- and Z-allylic...
متن کاملHighly diastereoselective and enantiospecific allylation of ketones and imines using borinic esters: contiguous quaternary stereogenic centers.
3,3-Disubstituted allylic boronic esters are not sufficiently reactive to react with ketones and imines. However, they can be converted into the corresponding borinic esters by the sequential addition of nBuLi and TFAA. These reactive intermediates possess the perfect balance between reactivity and configurational stability. Their enhanced reactivity allows the highly selective allylation of bo...
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ژورنال
عنوان ژورنال: Bulletin of the Korean Chemical Society
سال: 2013
ISSN: 0253-2964
DOI: 10.5012/bkcs.2013.34.9.2571