The olefinic peptide nucleic acid analogues (OPA) monomers containing the bases thymine and adenine were synthesised in 11 steps. Fully modified oligomers containing these units were prepared and their pairing properties assessed by means of UV-melting experiments.
Synthesis of the monomeric building blocks of Z-olefinic PNA (Z-OPA) containing the bases adenine and thymine
作者:Michel Cantin、Rolf Schütz、Christian J. Leumann
DOI:10.1016/s0040-4039(97)00871-x
日期:1997.6
The synthesis of the Boc-protected Z-olefinic peptide nucleic acid analog (Z-OPA) monomers containing the base thymine 11 and Cbz-adenine 19 is described. Key step in the synthesis of the underlying carbon framework is a Pd(0)-catalyzed coupling of a vinyl iodide, prepared in three steps from 3-butynol, with the Reformatsky reagent derived from ethyl α-bromoacetate.
The olefinic peptide nucleic acid analogues (OPA) monomers containing the bases thymine and adenine were synthesised in 11 steps. Fully modified oligomers containing these units were prepared and their pairing properties assessed by means of UV-melting experiments.