Three new procedures for the synthesis of desoxopeptides from endothiopeptides are reported: 1) Raney nickel desulfurizafion, 2) alkylation with triethyloxonium tetrafluoroborate followed by sodium borohydride reduction, and 3) nickel boride reduction. Of these three, reduction with nickel boride was found to be superior due to high yields, reproducibility and convenience.
从内
硫肽合成脱氧肽的三种新方法已有报道:1)阮内
镍脱
硫基
硫脲; 2)四
氟硼酸三乙基氧鎓烷基化,然后
硼氢化钠还原; 3)
硼化镍还原。在这三种方法中,由于高收率,可重复性和便利性,发现用
硼化镍还原效果更好。