1 to 2.5 m
5 Benzoyl 1 cyclohexyl 3 (m nitrophenyl) 2 phenylpyrrolidine spiro 4,2′ (6′ methoxy 1′ tetralone)
... ring. The displacement parameters of the O atoms of the nitro group are high, as a result of the greater thermal motion of these terminal atoms; similar effects have been reported by Ravikumar & Mehdi (1993). The ...
11
On Solutions to the Diophantine Equation M^x+ (M + 6)^y = z^2 when M = 6N + 5
... Table 2. It is noted that Solutions 1 and 9 here coincide respectively with Solutions 4 and 3 in Table ...= 1, that the equation p x + (p + 6) y = z 2 has exactly seven solutions ( type (p, ...
8
1 Acetyl 3 ferrocenyl 5 (2 nitrophenyl) 2 pyrazoline
... A mixture of 1-ferrocenyl-3-(2-nitrophenyl)-2-propenone (0.09 g, 0.24 mmol), 80% hydrazine hydrate (0.264 g, 5.28 mmol) and glacial acetic acid (10 ml) was refluxed under nitrogen atmosphere for ...
13
2 (5 Bromo 2 methyl 4 nitroimidazol 1 yl) 1 (2 chlorophenyl)ethanone
... isomer, 2-(4-bromo-2-methyl-5-nitro-1H-imidazol-1-yl)-1-(2-chloro- phenyl)ethanone, were obtained in yields of 50% and 6%, respec- ...
7
2 (1′,5′,5 Trimethyl 3,3′ bi 1H pyrazol 1 yl)ethanol
... 5.26 mmol) in THF (10 ml) cooled to 273 K. The mixture was stirred under reflux for 2 h. After cooling to 273 K, the excess hydride was destroyed by slow addition of water (0.2 ml), aqueous sodium hydroxide (15%, ...
6
Minimizing the Loss Probability in M/M/2/1 Queueing System with Ordered Entry
... P b ≤ = − t − µ t > (5) The service discipline takes place with the principle of “ordered entry”. That is, the customer, who arrives in the system, enters the server with the lowest index among the free server. ...
9
5 Methoxyspiro[1 benzofuran 2(3H),2′ chroman]
... chromatography using hexane- ethyl acetate (80:20) afforded the title compound (2), as a white solid that was recrystallized from ethyl acetate to give colourless needles (37 mg, 51%, m.p. 363–365 K. MS (EI, %) ...
6
Molecular Detection of Norovirus 1, 2 in Children Less than 5 Years with Gastroenteritis in Khartoum and Al Jazeera States, Sudan Eman M Tatay 1, Abdel Rahim M El Hussein2 , Mohamed O. Mustafa 2, Isam M Elkhidir3 and Khalid A Enan 2
... A similar study in china in 2013 carried out to investigate both rotaviruses and noroviruses in children indicated that 263 (34.3%) and 80 (10.4%) children were positive for rotavirus and noroviruses respectively[6]. ...
5
3 Phenyl 5 (2 thienyl) 2 pyrazoline 1 thioamide
... 1-Thiocarbamoyl-3-phenyl-5-heteroaryl-2-pyrazolines were obtained by heating (8 h) thiosemicarbazide (0.012 mol) with the appropriate chalcone (0.01 mol) and sodium hydroxide (0.025 mol in 5 ...
7
14. M. Dangwe 1*, R. A. Ejoh1, 2 and C. M. Mbofung1, 2
... 100.353Km 2 and has about 5530643 inhabitants (Cameroon National Census, ...about 5 months (June-October) and a relatively long dry season which lasts about 7 months (November-May) (Saointoing et ...
8
1 {[5 Fluoro 2 (trifluoromethyl)phenyl]iminomethyl} 2 naphthol
... C9 0.047 (3) 0.030 (2) 0.040 (3) 0.0019 (19) −0.002 (2) 0.005 (2) C10 0.055 (3) 0.037 (3) 0.050 (3) 0.004 (2) 0.009 (2) −0.002 (2) C11 0.073 (4) 0.035 (3) 0.061 (3) 0.011 (3) ...
7
1 Acetyl 5 (2 methoxyphenyl) 3 (2 methoxystyryl) 2 pyrazoline
... This difference may be attributed to the nature of the substituents and their consequent effect in inhibiting or promoting the resonance effect across the diene. A compar- ison of the in¯uence of the 2- and ...
8
1 [(E) 2 (2 Hydroxy 5 methylphenyl)diazen 2 ium 1 yl]naphthalen 2 olate
... conjugation to the azo bridge (i.e. 2-naphthol) (Olivieri et al.., 1989). In particular, azo dyes that contain a naphtholic hy- droxy group conjugated with the azo linkage exist in aqueous solution as an ...
13
Crystal structures of the two isomeric hydrogen bonded cocrystals 2 chloro 4 nitrobenzoic acid–5 nitroquinoline (1/1) and 5 chloro 2 nitrobenzoic acid–5 nitroquinoline (1/1)
... Table 1) between the nitro group of the base and the quinoline ring system; Cg3 and Cg4 are the centroids of the C11–C16 ring and the N2/C8–C16 ring system of the base molecule, ...Table 1), forming a ...
15
5,6 Dimethyl 2 (5 methylthiophen 2 yl) 1 [(5 methylthiophen 2 yl)methyl] 1H benzimidazole
... The title compound was prepared by stirring 4,5-dimethyl-1,2-diaminobenzene (0.200 g, 1.47 mmol) in absolute ethanol (15 ml) for five minutes under nitrogen. 5-methyl-2-thiophenecarboxaldehyde (0.32 ml, ...
13
1′,5 Dinitro 2′ phenyl 2′,3′,5′,6′,7′,7a' hexahydrospiro[indoline 3,3′ 1′H pyrrolizin] 2 one
... from 5-nitroisatin and proline by a decarboxylative route, and ...(Fig. 1) is similar to reported compounds (Usha et ...(Fig. 2) via N—H···O intermolecular interactions and crystal packing is ...
9
Crystal structure of benzyl 3 oxo 2 oxa 5 azabicyclo[2 2 1]heptane 5 carboxylate
... C19 0.0149 (6) 0.0178 (7) 0.0238 (7) 0.0030 (5) 0.0043 (5) −0.0001 (5) C20 0.0267 (7) 0.0222 (8) 0.0284 (8) −0.0069 (6) 0.0075 (6) 0.0006 (6) C21 0.0213 (7) 0.0200 (7) 0.0266 (7) −0.0057 (6) 0.0077 ...
10
(2S*) 2 Hydroxy 2 [(2S*,5R*) 5 (1 hydroxy 1 methylethyl)tetrahydrofuran 2 yl] 1 phenylethanone
... C1 0.0292 (13) 0.0453 (14) 0.0348 (13) −0.0003 (11) 0.0008 (9) −0.0016 (11) C2 0.0364 (13) 0.0527 (16) 0.0414 (14) −0.0028 (13) −0.0020 (11) −0.0047 (13) C3 0.0437 (17) 0.068 (2) 0.0415 (16) 0.0005 (16) −0.0060 ...
7
Synthesis of aryl {4 [({5 [3 (methylsulfonyl)phenyl]pyrazin 2 yl} oxy)methyl]piperidin 1 yl}methanones
... A mixture of HCl in dioxane (10 mL) and tert-butyl 4-((5-(3-(methylsulfonyl) phenyl) pyrazine-2-yloxy) methyl) piperidine-1-carboxylate was stirred at room temperature for overnight (monitored by ...
11
1 (2 Methylbenzoyl) 3 m tolylthiourea
... to 1-(2,3-Dimethylphenyl)-3-(2-methylbenzoyl)thiourea (II) (Khawar Rauf et ...a 2-methyl phenyl (m-tolyl) group ...the 2-methylbenzoyl ring, (C1—C8), and the m-tolyl group ...
7