A Corbin, F J Bex, J P Yardley, R W Rees, T J Foell, D Sarantakis
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引用次数: 11
Abstract
Seven derivatives of LH-RH, representing the [D-Ala6] or [D-Trp6] series, with or without a Fujino modification, were evaluated for ovulation-inducing (agonist and post-coital contraceptive activity in rats. Six of these analogues had a high degree of agonist and pregnancy-terminating potency. In general, several modifications can result in a particular series of composite molecules that possess a biologic potency greater than each of its predecessors; this correlation of structure with activity was more consistent in the [D-Ala6]-series than in the [D-Trp6]-series. The relationship between structural modifications, resistance to enzyme degradation (based on literature reports) and increased biologic potency is discussed.
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