Building units for N-backbone cyclic peptides. Part 4.1 Synthesis of protected Nα-functionalized alkyl amino acids by reductive alkylation of natural amino acids
作者:Gal Bitan、Dan Muller、Ron Kasher、Evgenia V. Gluhov、Chaim Gilon
DOI:10.1039/a608389g
日期:——
A new method for the synthesis of protected
Nα-(Ï-Y-alkyl) amino acids (Y
is a thio, amino or carboxy group) and related compounds by reductive
alkylation of natural amino acids is reported. These new amino acids
serve as building units for the synthesis of backbone-cyclic peptides.
They are orthogonally protected at the α-amino position by
butoxycarbonyl (Boc) or 9-fluorenylmethoxycarbonyl (Fmoc), using
trimethylsilyl temporary protection, to allow for their incorporation
into peptides by solid phase peptide synthesis.
报道了一种通过天然氨基酸的还原烷基化合成保护的Nα-(γ-Y-烷基)氨基酸(Y为硫、氨基或羧基基团)及相关化合物的新方法。这些新型氨基酸作为合成骨架环肽的构建单元,在α-氨基位置通过叔丁氧羰基(Boc)或9-芴甲氧羰基(Fmoc)进行正交保护,并使用三甲基硅烷临时保护,以便通过固相肽合成法将其并入肽链中。