Abstract Solid phase technique on p-methylbenzhydrylamine resin was used for the synthesis of four analogs of oxytocin and four analogs of vasopressin with the non-coded amino acids L-or D-and 1-or 2-naphthylalanine and D-homoarginine.[L-1-Nal2] oxytocin,[D- 1-Nal2] oxytocin,[L-2-Nal2] oxytocin,[D-2-Nal2] oxytocin,[L-1-Nal2, D-Har8] vasopressin,[D-1- Nal2, D-Har8] vasopressin,[L-2-Nal2, D-Har8] vasopressin and [D-2-Nal2, D-Har8] ...