Zobrazeno 1 - 10
of 31
pro vyhledávání: '"N. Redwane"'
Publikováno v:
Pediatric Critical Care Medicine. 22:343-344
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec8466397f74cc39b558461fef5a1553
https://doi.org/10.1097/01.pcc.0000741180.19515.0a
https://doi.org/10.1097/01.pcc.0000741180.19515.0a
Autor:
Hassan B. Lazrek, N. Redwane, Jan Balzarini, J. L. Barascut, Jean-Louis Imbach, E. De Clercq, Myriam Witvrouw
Publikováno v:
Nucleosides, Nucleotides and Nucleic Acids. 20:1439-1447
Synthesis of Z and E ethenyl acyclonucleosides (6a-e and 7a-e) via Michael addition of nucleobases with the diethyl acetylenedicarboxylate is described. The structures of compounds have been confirmed by spectral data. New compounds were found to be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6fd0dcd8e1a8ffdfbe48a5394629bda6
https://doi.org/10.1081/ncn-100105239
https://doi.org/10.1081/ncn-100105239
Publikováno v:
Nucleosides, Nucleotides and Nucleic Acids. 14:353-356
Conjugate addition of an anionic nucleophile (nucleobase) to an active triple bond (α, β unsaturated carboxylate or phosphonate) was used for preparing α-ethenyl carboxylate or phosphonate derivatives of purines and pyrimidines.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f42f89355e55374252fdffc3ae9db8f4
https://doi.org/10.1080/15257779508012380
https://doi.org/10.1080/15257779508012380
Publikováno v:
Tetrahedron Letters. 42:3579-3581
A new and efficient method for the synthesis of N-1/N-9-[(2-acetoxyethoxy)methyl]pyrimidine/purine using natural phosphate as Lewis acid catalyst was developed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bb25da3f5e2c21470fa693ce4002318
https://doi.org/10.1016/s0040-4039(01)00504-4
https://doi.org/10.1016/s0040-4039(01)00504-4
Publikováno v:
ChemInform. 30
Alkenyl acyclonucleosides derivatives of 5-halogenouracil have been synthesized via Michael addition reaction. These compounds were treated by allylbromide, propargylbromide or ethylbromoacetate to give the corresponding N-1,N-3-disubstituted 5-halog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b44de7b162300d363c6458f084d182b
https://doi.org/10.1002/chin.199941246
https://doi.org/10.1002/chin.199941246
Publikováno v:
ChemInform. 32
A new and efficient method for the synthesis of N-1/N-9-[(2-acetoxyethoxy)methyl]pyrimidine/purine using natural phosphate as Lewis acid catalyst was developed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1dd49649316a6137249c79950759f554
https://doi.org/10.1002/chin.200132217
https://doi.org/10.1002/chin.200132217
Autor:
Jan Balzarini, E. De Clercq, Hassan B. Lazrek, J. L. Barascut, Myriam Witvrouw, J.-L. Imbach, N. Redwane
Publikováno v:
ChemInform. 33
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50d99b04eb49d079d0ff28613e76ae52
https://doi.org/10.1002/chin.200205209
https://doi.org/10.1002/chin.200205209
Autor:
Hassan B. Lazrek, Laila Baddi, Jean-Jacques Vasseur, N. Redwane, Said M. Sebti, A. Rochdi, M. Taourirte, Driss Ouzebla
Publikováno v:
Nucleosides, Nucleotides and Nucleic Acids
Nucleosides, Nucleotides and Nucleic Acids, Taylor & Francis, 2005, 24, pp.1093-1095
Nucleosides, Nucleotides and Nucleic Acids, Taylor & Francis, 2005, 24, pp.1093-1095
Several D-ribonucleosides are prepared from 1-O-acetyl-2,3,5-tri-O-benzoyl-beta-D-ribofuranoside and trimethylsilylated nucleobases under mild conditions by using natural phosphate doped with KI as catalyst.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a9862b74e8f7a83ee2bcb0d7b87a7d80
https://hal.archives-ouvertes.fr/hal-00016601
https://hal.archives-ouvertes.fr/hal-00016601
Publikováno v:
Nucleosides, nucleotidesnucleic acids. 22(5-8)
Doped natural phosphate is used as acidic or basic catalyst in nucleoside and acyclonucleoside synthesis. Some examples are given.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be1662699ac3e67e853123357dd65df9
https://pubmed.ncbi.nlm.nih.gov/14565252
https://pubmed.ncbi.nlm.nih.gov/14565252
Autor:
Moha Taourirte, Saı̈d Sebti, A. Alahiane, N. Redwane, Hassan B. Lazrek, Joachim W. Engels, A. Rochdi
Publikováno v:
ChemInform. 34
Potassium fluoride doped natural phosphate, inexpensive and environmentally friendly catalyst, is shown to be an efficient basic catalyst for the N1/N9 alkylation of different nucleobases as synthons for PNAs.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3143d2ac2aaeeb477a1284127f3dcb8
https://doi.org/10.1002/chin.200331179
https://doi.org/10.1002/chin.200331179