Further chemical study on Stellaria delavayi led to the isolation of two ether new cyclopeptides, namely stelladelin B and C. On the basis of spectroscopic analysis and chemical evidence, their structures were establi...Further chemical study on Stellaria delavayi led to the isolation of two ether new cyclopeptides, namely stelladelin B and C. On the basis of spectroscopic analysis and chemical evidence, their structures were established as cyclo(Gly-Ile-Pro(2)-Pro(1)-Ala-Tyr-Asp-Leu) and cylo(Val-Pro(3)-Tyr(2)-Pro(2)-Pro(1)-Phe-Tyr(1)-Ser), respectively.展开更多
From the fresh roots of Stellaria delavayi, a new cyclic undecapeptide, na nely stelladelin A, was obtained and on the basis of spectral analyses, chemical methods and enzymatic degradation its structure was establish...From the fresh roots of Stellaria delavayi, a new cyclic undecapeptide, na nely stelladelin A, was obtained and on the basis of spectral analyses, chemical methods and enzymatic degradation its structure was established to be cyclo(Gly-Pro-Pro-Pro-Leu-Leu-Gly-Pro-Pro-Tyr-Tyr).展开更多
文摘Further chemical study on Stellaria delavayi led to the isolation of two ether new cyclopeptides, namely stelladelin B and C. On the basis of spectroscopic analysis and chemical evidence, their structures were established as cyclo(Gly-Ile-Pro(2)-Pro(1)-Ala-Tyr-Asp-Leu) and cylo(Val-Pro(3)-Tyr(2)-Pro(2)-Pro(1)-Phe-Tyr(1)-Ser), respectively.
文摘From the fresh roots of Stellaria delavayi, a new cyclic undecapeptide, na nely stelladelin A, was obtained and on the basis of spectral analyses, chemical methods and enzymatic degradation its structure was established to be cyclo(Gly-Pro-Pro-Pro-Leu-Leu-Gly-Pro-Pro-Tyr-Tyr).
