Thermal Synthesis of Polypeptides from N-Butyloxycarbonyl Oligopeptides Containing Aspartyl Residue at C-Terminus

Figure 6

Thermal release patterns of ions for compounds from Boc-L-Asp (5a) by DTA/TG-MS analysis. Ion source: EI, 70 eV; temperature: 250°C. Detection: EI range, to 100; interval, 1.5 sec; gain, 2.5. Pipe heater: 280°C. GC oven: 150°C; injection: 200°C.