Solventless DBU-promoted Mannich-type reactions of α-amido p-tolylsulfones with diethyl fluoromalonates and diethyl malonates
作者:Santosh T. Kadam、Sung Soo Kim
DOI:10.1016/j.tet.2010.05.075
日期:2010.7
Mannich-type reactions of α-amido p-tolylsulfones with diethyl fluoromalonates and diethylmalonates, respectively in presence of catalytic amount of DBU have been developed. A variety of α-amido p-tolylsulfones prepared from aromatic and aliphatic aldehydes reacts with diethyl fluoromalonates and diethylmalonates, respectively under mild reaction conditions to afford α-fluoro β-amino esters and β-amino
Mild and Efficient Tris(pentafluorophenyl)borane-catalyzed Sakurai Allylation of N-Benzyloxycarbonylamino p-Tolylsulfone with Allyltrimethylsilane
作者:Ponnaboina Thirupathi、Lok Nath Neupane、Keun-Hyeung Lee
DOI:10.5012/bkcs.2012.33.4.1275
日期:2012.4.20
Tris(pentafluorophenyl)borane, $B(C_6F_5)_3$, was found to be an efficient catalyst for synthesis of N-Cbzhomoallylic amines using Sakurai allylation of N-benzyloxycarbonyl-amino p-tolylsulfones with allyltrimethylsilane.