3-Aminopyrroles and their application in the synthesis of pyrrolo[3,2-d]pyrimidine (9-deazapurine) derivatives

Autor: Abdellatif M. Salaheldin, Ana M. F. Oliveira-Campos, Lígia M. Rodrigues

Publikováno v: ARKIVOC, Vol 2008, Iss 14, Pp 180-190 (2008)

Externí odkaz: https://doaj.org/article/ce010fb9db2f49008b2c6b49605afe4a

3-[1-(4-Methylphenylsulfonyl)-1,4-dihydropyridin-4-yl]-1H-indole

Autor: Ana M. F. Oliveira-Campos, Joana M. O. Ribeiro, Lígia M. Rodrigues, Pier Parpot, Paulo E. Lopes

Publikováno v: Acta Crystallographica Section E, Vol 66, Iss 4, Pp o915-o915 (2010)

In the title compound, C20H18N2O2S, the indole mean plane and benzene ring form a dihedral angle of 65.0 (1)°. In the crystal structure, weak intermolecular N—H...π and C—H...O interactions link the molecules into ribbons propagated along [100]

Externí odkaz: https://doaj.org/article/0c246d35430349268221eafbea68de19

Synthesis of esters derived from 2,3,4,6-tetra-O-acetyl-1-[4-(2-hydroxyethyl)-1H-1,2,3-triazol-1-yl]-β-D-glucopyranose

Autor: Lígia M. Rodrigues, Ana M. F. Oliveira-Campos, Radim Hrdina, Marília E. Silva, Ana Paula Esteves, Tiago Dinis Pinto, Sílvia Cunha

Publikováno v: European Journal of Chemistry. 4:64-69

2,3,4,6-Tetra- o -acetyl-1-[4-(2-hydroxyethyl)-1 H -1,2,3-triazol-1-yl]- β -D-glucopyranose was prepared and reacted with several acids, either commercially available or prepared. These included, aliphatic or aromatic acids (phenylacetic acid deriva

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c583431856bd4c0a4f996163bad4baa
https://doi.org/10.5155/eurjchem.4.1.64-69.735

Synthesis of esters derived from 2,3,4-tri-O-benzyl-alpha-D-methylglucoside

Autor: Radim Hrdina, Ana M. F. Oliveira Campos, Ana Paula Esteves, Lígia M. Rodrigues, Gilbert Kirsch, Tiago Dinis Pinto

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
ARKIVOC, Vol 2012, Iss 6, Pp 185-193 (2012)

2,3,4-Tri-O-benzyl-alpha-D-methylglucoside was prepared and reacted with several acids: benzoic, phenylacetic, 2-(3-bromo-propoxy)-benzoic, acetylsalicylic and 4-(toluene-4-sulfonylamino)-benzoic. The products were isolated with low to fair yields an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4faf4a35d0530d3a1e4dcbea1ba2e54e
https://doi.org/10.3998/ark.5550190.0013.617

Synthesis of Tacrine Analogs Derived from N-Aryl-5-amino-4-cyanopyrazoles

Autor: Carla S. Francisco, Ana M. F. Oliveira-Campos, Lígia M. Rodrigues, Abdellatif M. Salaheldin

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

Synthesis of eleven tacrine analogues derived from N-aryl-5-amino-4-cyanopyrazoles, by a Friedländer type reaction, is described. Their structures were confirmed by 1H and 13C NMR spectroscopy, elemental analysis and/or mass spectrometry.
Funda

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5f0ed393e2abd39350bcd9d61f4bc489
https://doi.org/10.1080/00397910802331638