Tetrahedron Letters p. 2887 - 2890 (1999)
Update date:2022-08-04
Topics:
Martin, Stephen F.
Hom, Roy K.
A variety of alkyl, substituted alkyl, and aryl side chain residues in cyclopropane-containing dipeptide isosteres were introduced by the highly diastereoselective (dr ≥20:1) additions of organolithium or Grignard reagents to N, N-dimethylhydrazone 6. The resulting hydrazines were transformed into the corresponding N-Boc-protected amines with little or no stereochemical erosion.
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