Abstract
The condensation of allenylzinc (±)-1 onto N -tert -butanesulfinimines (±)-2 leads to the corresponding trans -ethynyl N -sulfinylaziridines with an excellent diastereoselection.
Key words
aziridines - asymmetric synthesis - carbenoid - chiral resolution - zinc
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Typical Procedure for the Synthesis of Ethynyl
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-Sulfinylaziridines (±)-3: To a 0.1 M etheral solution of 3-chloro-1-trimethylsilylpropyne (1.0 equiv) under
nitrogen atmosphere TMEDA (1.0 equiv) and n- BuLi (2.2 M in hexanes, 1.0 equiv) were successively added at -95 °C. The yellow solution
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