| 1/00 | General processes for the preparation of peptides |
| 1/02 | General processes for the preparation of peptides in solution |
| 1/04 | General processes for the preparation of peptides on carriers |
| 1/06 | General processes for the preparation of peptides using protecting groups or activating agents |
| 1/08 | General processes for the preparation of peptides using protecting groups or activating agents using activating agents |
| 1/10 | General processes for the preparation of peptides using coupling agents |
| 1/107 | General processes for the preparation of peptides by chemical modification of precursor peptides |
| 1/113 | General processes for the preparation of peptides by chemical modification of precursor peptides without change of the primary structure |
| 1/12 | General processes for the preparation of peptides by hydrolysis |
| 1/13 | General processes for the preparation of peptides Labelling of peptides |
| 1/14 | General processes for the preparation of peptides Extraction; Separation; Purification |
| 1/16 | General processes for the preparation of peptides Extraction; Separation; Purification by chromatography |
| 1/18 | General processes for the preparation of peptides Extraction; Separation; Purification by chromatography Ion-exchange chromatography |
| 1/20 | General processes for the preparation of peptides Extraction; Separation; Purification by chromatography Partition-, reverse-phase or hydrophobic interaction chromatography |
| 1/22 | General processes for the preparation of peptides Extraction; Separation; Purification by chromatography Affinity chromatography or related techniques based upon selective absorption processes |
| 1/24 | General processes for the preparation of peptides Extraction; Separation; Purification by electrochemical means |
| 1/26 | General processes for the preparation of peptides Extraction; Separation; Purification by electrochemical means Electrophoresis |
| 1/28 | General processes for the preparation of peptides Extraction; Separation; Purification by electrochemical means Electrophoresis Isoelectric focusing |
| 1/30 | General processes for the preparation of peptides Extraction; Separation; Purification by precipitation |
| 1/32 | General processes for the preparation of peptides Extraction; Separation; Purification by precipitation as complexes |