Zobrazeno 1 - 8
of 8
pro vyhledávání: '"N. H. Ahabchane"'
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 178:2597-2607
New heterocyclic systems have been prepared by 1,3-dipolar cycloaddition reactions on the 11-allylsulfanylpyrrolo[2,1-c] [1,4] benzodiazepine-5-thione 3. The synthesized compounds contain in their structures the pyrrolobenzodiazepine spiro-connected
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e88a358dbf45b52030c0d48e8248e1a3
https://doi.org/10.1080/714040972
https://doi.org/10.1080/714040972
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 175:169-181
Au cours de ce travail, nous decrivons la synthtse de nouveaux macrocycles renfermant une ou deux unites quinoxaliniques au sein dune chaine poletheree et thioetheeree, susceptibles de presenter des proprietes complexantes interessantes, et dont le p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a3d2e636afe538dd09e8a49af8f5694
https://doi.org/10.1080/10426500108040265
https://doi.org/10.1080/10426500108040265
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 173:175-192
De nouveaux macrocycles de structures variees, renfermant une ou deux unites pyrazolylbenzimidazoles au sein d'une cha[icaron]ne polyethyleneglyco1 ont ete prepares par condensation, en catalyse par transfert de phase solide-liquide, de la 1-[3(5)-ph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::329a1f5aa09ddcb4a11aab391c823b63
https://doi.org/10.1080/10426500108045268
https://doi.org/10.1080/10426500108045268
Publikováno v:
ChemInform. 33
Synthesis of 3-ethoxycarbonyl-5-methyl-1-p-tolyl-1, 2, 4-triazolo [3, 4-c] -1, 2, 4-triazole 5a by reaction of 5-allylmercapto-3-methyl-1,2,4-triazole 3 with ethyl chloroglyoxalate p-tolylhydrazone 4 is described. The structural assignment is based o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b493b7f221af12ad8ea896a64b90c197
https://doi.org/10.1002/chin.200233143
https://doi.org/10.1002/chin.200233143
Publikováno v:
ChemInform. 35
Quinoxaline 3A with ethyl bromoglyoxylate arylhydrazone 4 in the presence of triethylamine, gives a mixture of the pyrazolines 5A, 6A and 7A whereas 3B gives the corresponding pyrazoles 5B, 6B and 7B.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22bb2551987fb3c143a5d3b53406342f
https://doi.org/10.1002/chin.200436156
https://doi.org/10.1002/chin.200436156
Publikováno v:
ChemInform. 35
New heterocyclic systems derived from pyrazole associating different nuclei such as pyrimidobenzimidazole, pyrimidopyrimidine, thiazolopyrimidine and pyrazolylpyridone have been synthesized by the treatment of some bisnucleophiles with acetoacetylpyr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc4684ebd3f35ae8a1929f0546748bcb
https://doi.org/10.1002/chin.200404094
https://doi.org/10.1002/chin.200404094
Publikováno v:
Acta crystallographica. Section C, Crystal structure communications. 56(Pt 5)
The title compound, C(10)H(9)NO(2)S, has a boat-shaped heterocyclic six-membered ring such that the S and N atoms lie essentially in the plane of the benzene ring while the remaining two C atoms are above this plane.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a8083b03ffa8eaf2b298caf20dbb939
https://pubmed.ncbi.nlm.nih.gov/15263165
https://pubmed.ncbi.nlm.nih.gov/15263165
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 56:e463-e464
The crystal structure of the title compound, ethyl 2,2-dihydroxy-2-(3-oxo-3,4-dihydroquinoxalin-2-yl)acetate, C12H12N2O5, indicates a short intramolecular contact between the N1 atom and a hydroxyl group [2.772 (4) A]. Two intermolecular
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e2c4bd06dd9b1b608219070690837d4
https://doi.org/10.1107/s0108270100012142
https://doi.org/10.1107/s0108270100012142