Application of the N-hydroxymethyl group to the stereoselective synthesis of (3S,4S)-3-aminodeoxystatine derivatives

作者: Dongwon Yoo , Seah Kwon , Young Gyu Kim

DOI: 10.1016/J.TETASY.2005.10.018

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摘要: Abstract Stereoselective synthesis of two 3-aminodeoxystatine derivatives was achieved. Chiral γ-amino-α,β-unsaturated esters containing an N -aminomethyl group undergo the stereoselective conjugate addition with internal carbamate or amide nitrogen nucleophile. The diastereoselectivity about 10:1 by 1 H NMR. Thus, were prepared from commercially available -Boc- l -leucine in nine steps overall yields 26% and 20% for benzyl acetamide derivatives, respectively.

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