The distribution of dipeptides upon treatment of equimolar amounts of glutamic acid, leucine, and C6H11NCN(CH2)3+NMe3–OSO2C6H4Me-p, in clear aqueous solution followed by N, C-protection, was found to be: Bz-Glu(γ-OMe)-Leu-OMe (72%), Bz-Glu(α-OMe)-Glu-di-OMe (15%), and Bz-Leu-Leu-OMe (8%); Bz-Leu-Glu-di-OMe, Bz-Glu(α-OMe)-Leu-OMe, and Bz-Glu(γ-OMe)Glu-di-OMe could not be detected (Bz = PhCO).
二肽的处理时的等摩尔量的谷
氨酸,亮
氨酸,和C的分布6 ħ 11 Ñ Ç N(CH 2)3 + NME 3 - OSO 2 C ^ 6 ħ 4 ME- p,在透明的
水性溶液,接着Ñ,发现C保护是:Bz-Glu(γ-OMe)-Leu-OMe(72%),Bz-Glu(α-OMe)-Glu-di-OMe(15%)和Bz-Leu- Leu-OMe(8%);无法检测到Bz-Leu-Glu-di-OMe,Bz-Glu(α-OMe)-Leu-OMe和Bz-Glu(γ-OMe)Glu-di-OMe(Bz = PhCO)。