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2.
Fed Regist ; 79(167): 51243-7, 2014 Aug 28.
Artigo em Inglês | MEDLINE | ID: mdl-25167596

RESUMO

With the issuance of this final rule, the Deputy Administrator of the Drug Enforcement Administration (DEA) places the substance [(7R)-4-(5-chloro-1,3-benzoxazol-2-yl)-7-methyl-1,4-diazepan-1-yl][5-methyl-2-(2H-1,2,3-triazol-2-yl)phenyl]methanone (suvorexant), including its salts, isomers, and salts of isomers, into schedule IV of the Controlled Substances Act. This scheduling action is pursuant to the Controlled Substances Act which requires that such actions be made on the record after opportunity for a hearing through formal rulemaking. This action imposes the regulatory controls and administrative, civil, and criminal sanctions applicable to schedule IV controlled substances on persons who handle (manufacture, distribute, dispense, import, export, engage in research, conduct instructional activities, or possess), or propose to handle suvorexant.


Assuntos
Azepinas/classificação , Controle de Medicamentos e Entorpecentes/legislação & jurisprudência , Hipnóticos e Sedativos/classificação , Triazóis/classificação , Humanos , Antagonistas dos Receptores de Orexina , Estados Unidos
3.
Rapid Commun Mass Spectrom ; 25(4): 495-502, 2011 Feb 28.
Artigo em Inglês | MEDLINE | ID: mdl-21259358

RESUMO

The development of reliable analytic methods, capable of separating mixtures of secondary metabolites as well as providing structural information, is essential for the investigation of secondary metabolites, e.g. from Streptomyces. Here we report a liquid chromatography/electrospray ionization tandem mass spectrometry (LC/ESI-MS/MS) method using a triple quadrupole mass analyzer for the structural elucidation of caprazamycins and liposidomycins from culture extracts of the wild-type producer strains. Comparison of the fragmentation patterns in positive as well as in negative ionization mode revealed several characteristic product ions used for identification of six new caprazamycins. Furthermore, a chromatographic method for the purification of nucleosides from cell cultures using a boronic acid gel was adapted for the partial purification of the culture extracts.


Assuntos
Azepinas/química , Cromatografia Líquida de Alta Pressão/métodos , Espectrometria de Massas em Tandem/métodos , Uridina/análogos & derivados , Aminoglicosídeos/química , Azepinas/classificação , Meios de Cultura , Fermentação , Streptomyces/metabolismo , Uridina/química , Uridina/classificação
4.
J Antibiot (Tokyo) ; 56(3): 243-52, 2003 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-12760680

RESUMO

In the course of our screening for bacterial phospho-N-acetylmuramyl-pentapeptide-translocase (translocase I: EC 2.7.8.13) inhibitors, we found inhibitory activity in the cultured broth of the strain identified as Streptomyces griseus SANK 60196. The strain produced capuramycin and four novel capuramycin derivatives designated as A-500359 A, C, D and G. Purification and structural analysis were performed, and the structures of A-500359 A, C, D and G were elucidated as 6'''-methylcapuramycin, 3'-demethyl-6'''-methylcapuramycin, 2''-deoxy-6'''-methylcapuramycin and 3'-demethylcapuramycin, respectively.


Assuntos
Aminoglicosídeos , Antibacterianos/classificação , Azepinas/classificação , Bactérias/enzimologia , Inibidores Enzimáticos/classificação , Transferases (Outros Grupos de Fosfato Substituídos)/antagonistas & inibidores , Uridina/análogos & derivados , Antibacterianos/química , Antibacterianos/isolamento & purificação , Antibacterianos/farmacologia , Azepinas/química , Azepinas/isolamento & purificação , Azepinas/farmacologia , Inibidores Enzimáticos/química , Inibidores Enzimáticos/isolamento & purificação , Inibidores Enzimáticos/farmacologia , Fermentação , Espectroscopia de Ressonância Magnética , Estrutura Molecular , Estereoisomerismo , Streptomyces/química , Uridina/química , Uridina/classificação , Uridina/isolamento & purificação , Uridina/farmacologia
7.
Bioorg Med Chem Lett ; 15(14): 3453-8, 2005 Jul 15.
Artigo em Inglês | MEDLINE | ID: mdl-15950472

RESUMO

Broad screening revealed compound 1a to be a novel anti-fungal agent with high specificity towards dermatophytes. The anti-fungal structure-activity relationship of this novel class of 5,6-dihydro-4H-pyrrolo[1,2-a][1,4]benzodiazepines is described together with its mode of action that appeared to be the inhibition of squalene epoxidase. Preliminary in vivo results of the most active compounds are also reported.


Assuntos
Antifúngicos/classificação , Antifúngicos/farmacologia , Arthrodermataceae/efeitos dos fármacos , Azepinas/farmacologia , Pirróis/farmacologia , Antifúngicos/síntese química , Azepinas/síntese química , Azepinas/classificação , Desenho de Fármacos , Testes de Sensibilidade Microbiana , Estrutura Molecular , Pirróis/síntese química , Pirróis/classificação , Relação Estrutura-Atividade
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