@article{BerndtZahn1975, author = {Berndt, Heinz and Zahn, Helmut}, title = {Peptide, 99 : Monomere cyclische Cystinpeptidderivate, III ; Synthese der Schafinsulin-A-Kettensequenzen A2-21 und A1-21 als monomere cyclische Dicystinpeptidderivate}, series = {Justus Liebigs Annalen der Chemie}, volume = {1975}, journal = {Justus Liebigs Annalen der Chemie}, number = {9}, publisher = {Wiley-VCH}, address = {Weinheim}, issn = {1099-0690}, doi = {10.1002/jlac.197519750908}, pages = {1601 -- 1612}, year = {1975}, abstract = {Die Synthese der Sequenzen A2—21 (13) und A1—21 (15) der Schafinsulin-A-Kette als monomere cyclische Dicystinpeptidderivate wird beschrieben. Die intrachenaren Cystinbr{\"u}cken A6—7 und A 11 —20 vermitteln die L{\"o}slichkeit dieser Derivate in Dimethylformamid und erm{\"o}glichen erstmalig die Reindarstellung vollgesch{\"u}tzter Insulin-A-Kettenderivate. Die w{\"a}hrend der Synthese eingesetzten Schutzgruppen lassen sich mittels Trifluoressigs{\"a}ure und 2-Mercapto{\"a}thanol quantitativ entfernen.}, language = {de} } @article{BerndtKrueger1985, author = {Berndt, Heinz and Kr{\"u}ger, G{\"o}tz}, title = {Resolution of enantiomeric amino acid derivatives by high-performance liquid chromatography on chiral stationary phases}, series = {Journal of chromatography A}, volume = {1985}, journal = {Journal of chromatography A}, number = {348}, issn = {0021-9673}, doi = {10.1016/S0021-9673(01)92461-6}, pages = {275 -- 279}, year = {1985}, language = {en} } @article{BerndtKlostermeyerZahn1972, author = {Berndt, Heinz and Klostermeyer, Henning and Zahn, Helmut}, title = {Zur Synthese monomerer cyclischer Cystinpeptidderivate, I : Synthese der Sequenz A 6-9 des Schafinsulins als Cyclocystinylderivat}, series = {Justus Liebigs Annalen der Chemie}, volume = {759}, journal = {Justus Liebigs Annalen der Chemie}, number = {1}, publisher = {Wiley-VCH}, address = {Weinheim}, issn = {1099-0690}, doi = {10.1002/jlac.19727590109}, pages = {114 -- 120}, year = {1972}, abstract = {Es wird die Synthese der Sequenz A 6-9 des Schafinsulins in der gesch{\"u}tzten Form Boc-Cys-Cys-Ala-Gly-OBuᵗ (5) sowie das Verhalten dieses monomeren cyclischen Cystinpeptidderivates gegen{\"u}ber den in der Peptidchemie gebr{\"a}uchlichen Reagenzien Bortrifluorid/Eisessig, Tri{\"a}thylamin und Hydrazinhydrat beschrieben.}, language = {de} } @article{BerndtGattnerZahn1975, author = {Berndt, Heinz and Gattner, Hans-Gregor and Zahn, Helmut}, title = {Semisynthetisches Des-A1-glycin-Schafinsulin}, series = {Biological Chemistry}, volume = {356}, journal = {Biological Chemistry}, number = {2}, publisher = {De Gruyter}, address = {Berlin}, issn = {1437-4315}, doi = {10.1515/bchm2.1975.356.2.1455}, pages = {1469 -- 1472}, year = {1975}, language = {de} } @article{Berndt1979, author = {Berndt, Heinz}, title = {Synthese der Sequenz 71—86 des Humanproinsulins, III : Synthese {\"u}ber die Fragmente 71—78 und 79—86}, series = {Hoppe-Seyler's Zeitschrift f{\"u}r physiologische Chemie}, volume = {360}, journal = {Hoppe-Seyler's Zeitschrift f{\"u}r physiologische Chemie}, number = {1}, issn = {1437-4315}, doi = {10.1515/bchm2.1979.360.1.765}, pages = {765 -- 772}, year = {1979}, language = {de} } @article{Berndt1979, author = {Berndt, Heinz}, title = {Synthese der Sequenz 71—86 des Humanproinsulins, I : Synthese der Sequenz 71—86 als monomeres cyclisches Biscystinpeptidderivat und als Tetra-S-tritylderivat}, series = {Hoppe-Seyler's Zeitschrift f{\"u}r physiologische Chemie}, volume = {360}, journal = {Hoppe-Seyler's Zeitschrift f{\"u}r physiologische Chemie}, number = {1}, issn = {1437-4315}, doi = {10.1515/bchm2.1979.360.1.747}, pages = {747 -- 760}, year = {1979}, language = {de} } @article{Berndt1980, author = {Berndt, Heinz}, title = {Zur Reaktion von Iminodithiocarbonaten mit Carbons{\"a}uren. I : Synthese des Modellpeptid-Derivates Z-(L)-Ala-(L/D)-Phe-(L)-Val-OMe}, series = {Tetrahedron letters}, volume = {21}, journal = {Tetrahedron letters}, number = {34}, issn = {0040-4039}, doi = {10.1016/S0040-4039(00)78663-1}, pages = {3265 -- 3268}, year = {1980}, language = {de} }