Solid-phase synthesis of N,N′ substituted guanidines
作者:Dharmpal S. Dodd、Owen B. Wallace
DOI:10.1016/s0040-4039(98)01197-6
日期:1998.8
An efficient method for the solid-phasesynthesis of substituted guanidines is presented. A variety of alcohols react with resin-bound N,N′-bis(t-butoxycarbonyl)thiopseudourea under Mitsunobu conditions to give the corresponding alkylated thiopseudoureas. The guanidines are liberated from the resin upon exposure to ammonia or primary amines.
Novel Hypotensive Agents from <i>Verbesina </i><i>c</i><i>aracasana</i>. 8. Synthesis and Pharmacology of (3,4-Dimethoxycinnamoyl)-<i>N</i>-agmatine and Synthetic Analogues<sup>1</sup>
作者:Marco Carmignani、Anna Rita Volpe、Bruno Botta、Romulo Espinal、Stella C. De Bonnevaux、Carlo De Luca、Maurizio Botta、Federico Corelli、Andrea Tafi、Rosario Sacco、Giuliano Delle Monache
DOI:10.1021/jm001017v
日期:2001.8.1
The more polar metabolites from the Venezuelan plant Verbesina caracasana, i.e., N(3)-prenylagmatine, (3,4-dimethoxycinnamoyl)-N(1)-agmatine, agmatine, and galegine (prenylguanidine), previously reported (Delle Monache, G.; et al. BioMed. Chem. Lett. 1999, 9, 3249-3254), have been synthesized following a biosynthetic strategy. The pharmacologic profiles of various synthetic analogues of (3,4-dimetho