A Synthesis of RGD Model Cyclic Peptide by Palladium-Catalyzed Carbonylative Macrolactamization
摘要:
Cyclic peptidic RGD models were efficiently synthesized by Pd(P(t-Bu)(3))(2)-catalyzed carbonylative macrolactamization in the presence of 4 angstrom molecular sieves under 10 atm of carbon monoxide.
A Synthesis of RGD Model Cyclic Peptide by Palladium-Catalyzed Carbonylative Macrolactamization
摘要:
Cyclic peptidic RGD models were efficiently synthesized by Pd(P(t-Bu)(3))(2)-catalyzed carbonylative macrolactamization in the presence of 4 angstrom molecular sieves under 10 atm of carbon monoxide.
A novel intramolecular macrocyclization reaction on a solid support using the Heckreaction has been achieved. For head to tail cyclization on a solid support, the linear precursor was anchored to a chlorotrityl chloride resin via an ester linkage using the β-carboxyl group of Asp. The Heck coupling of acrylic acid amide to 3-iodobenzylamine on the solid support proceeds smoothly to yield a cyclic
Macrocyclization on solid support using Heck reaction
作者:Kenichi Akaji、Yoshiaki Kiso
DOI:10.1016/s0040-4039(97)01123-4
日期:1997.7
intramolecular macrocyclization reaction on solidsupport using Heckreaction was achieved. The Heck coupling of acrylic acid amide to 3-iodobenzylamine on solidsupport proceeds smoothly to yield a cyclic tetrapeptide derivative containing a new 3-substituted cinnamic acid template and Arg-Gly-Asp sequence. The macrocyclization reaction takes place more rapidly on solidsupport than in solution.