Potential thyroliberin affinity labels. 1. Chloroacetyl-substituted phenylalanylpyrrolidines
作者:Richard J. Goebel、Bruce L. Currie、Cyril Y. Bowers
DOI:10.1021/jm00136a003
日期:1981.4
Six analogues of thyroliberin (TRH) that have a chloroacetyl substituent at the amino terminus have been prepared as potential affinity labels for the TRH receptor. These compounds are N-(chloroacetyl)-L-alanyl-L-phenylalanylpyrrolidine (ClAc-Ala-Phe-Pyrr; 14), N-[m-(chloroacetyl)benzoyl]-L-phenylalanylpyrrolidine (m-ClAcBz-Phe-Pyrr; 11a), N-[m-(chloroacetyl)benzoyl]-L-alanyl-L-phenylalanylpyrrolidine
已经制备了在氨基末端具有氯乙酰基取代基的六个甲状腺素(TRH)类似物作为TRH受体的潜在亲和标记。这些化合物是N-(氯乙酰基)-L-丙氨酰基-L-苯丙氨酰基吡咯烷(ClAc-Ala-Phe-Pyrr; 14),N- [间-(氯乙酰基)苯甲酰基] -L-苯丙氨酰基吡咯烷(m-ClAcBz-Phe-Pyrr ; 11a),N- [对-(氯乙酰基)苯甲酰基] -L-丙氨酰基-L-苯丙氨酰吡咯烷(m-ClAcBz-Ala-Phe-Pyrr; 15a),N- [对-((氯乙酰基)苯甲酰基] -L-苯丙氨酰吡咯烷(p-ClAcBz-Phe-Pyrr; 11b)和N- [对-(氯乙酰基)苯甲酰基] -L-丙氨酰基-L-苯丙氨酰基吡咯烷(p-ClAcBz-Ala-Phe-Pyrr; 15b)。还合成了焦谷氨酰基-L-苯丙氨酰基吡咯烷作为模型激动剂。对于11a,11b和15b观察到弱的激动剂活性。这三个类似