2005
DOI: 10.1039/b209227c
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Natural guanidine derivatives

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Cited by 173 publications
(50 citation statements)
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References 345 publications
(234 reference statements)
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“…The result also proved the new methodology to be compatible with internal alkenes. Cyclic guanidines are widely present in a variety of the marine natural products, 18 and used as organocatalysts, 19 ligands in metal complexes, 20 and powerful organic bases. 21 Using a literature method, 15 chlorination of cyclic thiourea 2b with oxalyl chloride could afford intermediate imidazolidinium salt, which was treated with benzylamine to offer a desired guanidine 9 (Scheme 3).…”
Section: Scheme 2 Diamination Of Internal Alkenementioning
confidence: 99%
“…The result also proved the new methodology to be compatible with internal alkenes. Cyclic guanidines are widely present in a variety of the marine natural products, 18 and used as organocatalysts, 19 ligands in metal complexes, 20 and powerful organic bases. 21 Using a literature method, 15 chlorination of cyclic thiourea 2b with oxalyl chloride could afford intermediate imidazolidinium salt, which was treated with benzylamine to offer a desired guanidine 9 (Scheme 3).…”
Section: Scheme 2 Diamination Of Internal Alkenementioning
confidence: 99%
“…Estudos químicos anteriores realizados com esponjas do gêne-ro Monanchora demonstraram que espécies deste gênero são uma rica fonte de alcalóides guanidínicos 5 . Recentemente, a isoptilocaulina foi isolada de uma esponja do gênero Monanchora (cf.…”
Section: Investigação Química Da Esponja Monanchora Arbusculaunclassified
“…Therefore, the present review will include literature reports previously not discussed, dealing with the isolation, structure determination, biological activities, and total synthesis of polycyclic diamine alkaloids isolated from marine sponges. This review will not include guanidine alkaloids [8,9] or the manzamine alkaloids [10,11], since these compounds have been recently reviewed elsewhere. Only polycyclic diamine alkaloids are included, but not related compounds such as alkylpyridine derivatives, which comprise another large class of sponge metabolites.…”
Section: Introductionmentioning
confidence: 99%