3-Phenyl-4H,6H-1,2,4-oxadiazol-5-one.
نویسندگان
چکیده
Molecules of the title compound, C(9)H(8)N(2)O(2), are linked into complex sheets by a combination of N-H...O, C-H...N and C-H...O hydrogen bonds.
منابع مشابه
Design and synthesis of N¹,N⁵-bis[4-(5-alkyl-1,2,4-oxadiazol-3-yl)phenyl]glutaramides as potential antifungal prodrugs.
A facile three step synthesis of a group of N1,N5-bis[4-(5-alkyl-1,2,4-oxadiazol-3-yl)phenyl]glutaramides, N1,N5-bis[4-(1,2,4-oxadiazol-3-yl)phenyl]glutaramide and N1,N5-bis[4-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)phenyl]glutaramide is described. These products are designed to function as masked bis-amidine prodrugs of a promising N1,N5-bis[4-(N'-(carbamimidoyl)phenyl]glutaramide antifungal l...
متن کاملSynthesis of substituted 5-(1,2,4-oxadiazol-5-yl)-3,4-dihydropyrimidine-2(1H)-thiones.
We have developed a liquid-phase route for combinatorial synthesis of novel substituted 5-(1,2,4-oxadiazol-5-yl)-3,4-dihydropyrimidine-2(1H)-thiones. Biginelli-type three-component condensation of 1-(3-aryl-1,2,4-oxadiazol-5-yl)acetones, thiourea, and benzaldehydes is shown to result in new 5-(1,2,4-oxadiazol-5-yl)-3,4-dihydropyrimidine-2(1H)-thione heterocyclic system. If salicylaldehydes are ...
متن کاملSYNTHETIC STUDIES IN THE 6H-[1,2,4] TRIAZINO [3,4-b] [ 1,3,4] THIADIAZINES
4-Amino-6-methyl- 1,2,4-triazine-3(2H)-thione-5-0ne (1) was condensed with propargyl bromidein the presence of sodium rnethoxide to afford 3-propargylmercapto- 4-arnino-6-rnethyl-1,2,4-triazin-5-one(2) . Transformation of the latter to 8-dihydro- 3-methyl-7-methylene-4-oxo-6H-[1,2,4]TRIAZINO [3,4-b] [1,3,4] thiadiazine (3) was performed under the condition of palladium (II) salt. Ring closu...
متن کاملSynthesis and characterization of novel bioactive 1,2,4-oxadiazole natural product analogs bearing the N-phenylmaleimide and N-phenylsuccinimide moieties
Taking into consideration the biological activity of the only natural products containing a 1,2,4-oxadiazole ring in their structure (quisqualic acid and phidianidines A and B), the natural product analogs 1-(4-(3-tert-butyl-1,2,4-oxadiazol-5-yl)phenyl)pyrrolidine-2,5-dione (4) and 1-(4-(3-tert-butyl-1,2,4-oxadiazol-5-yl)phenyl)-1H-pyrrole-2,5-dione (7) were synthesized starting from 4-(3-tert-...
متن کامل4-({[4-Amino-6-(p-bromobenzyl)-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl]sulfanyl}acetyl)-3-phenylsydnone
In the title compound, C(20)H(15)BrN(6)O(4)S [symstematic name: 4-({[4-amino-6-(p-bromo-benz-yl)-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl]sulfan-yl}acet-yl)-3-phenyl-1,2,3-oxadiazol-3-ium-5-olate], the 4,5-dihydro-1,2,4-triazine ring is essentially planar [maximum deviation = 0.020 (1) Å] and is inclined at dihedral angles of 89.06 (9), 82.21 (8) and 83.98 (8)° with respect to the oxadiazol-3-ium, ...
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ورودعنوان ژورنال:
- Acta crystallographica. Section C, Crystal structure communications
دوره 60 Pt 11 شماره
صفحات -
تاریخ انتشار 2004