Niobium (V) oxide: a new and efficient catalyst for the tran...
                                 
                                
                                 [De Sairre, Mirela Ines; Bronze-Uhle, Erika Soares; Donate, Paulo Marcos Tetrahedron Letters, 2005 , vol. 46, # 15 p. 2705 - 2708]
                                
                                
                             | 
                        
                        
                        
                            
                                
                                Transacetoacetylation with tert-butyl acetoacetate: syntheti...
                                 
                                
                                 [Witzeman, J. Stewart; Nottingham, W. Dell Journal of Organic Chemistry, 1991 , vol. 56, # 5 p. 1713 - 1718]
                                
                                
                             | 
                        
                        
                        
                            
                                
                                Rhodium-mediated stereoselective polymerization of “carbenes...
                                 
                                
                                 [Journal of the American Chemical Society, , vol. 128, # 30 p. 9746 - 9752]
                                
                                
                             |