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Bis(dipeptide ester–H+) Complexes of Palladium(II) – Precursors for the Formation of Cyclotetrapeptides

✍ Scribed by Katharina Haas; Eva-Maria Ehrenstorfer-Schäfers; Kurt Polborn; Wolfgang Beck

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
257 KB
Volume
1999
Category
Article
ISSN
1434-1948

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✦ Synopsis

trans-Bis(dipeptide ester)palladium 1-6 complexes with a Addition of NaOCH 3 to Pd

Ph 5] results in the formation of the deprotonated amide group were obtained by dehydrochlorination of trans-Cl 2 Pd(dipeptide ester) 2 or by direct corresponding complexes 7, 8 with cyclic tetrapeptides which also can be directly synthesized from the dipeptide reaction of Na 2 PdCl 4 with dipeptide ester in the presence of sodium methoxide. The structure of Pd(NH 2 CH 2 CONCH 2 -ester and Na 2 PdCl 4 . CH 2 CO 2 CH 3 ) 2 (3) was determined by X-ray diffraction.

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