[PDF] Top 20 Diethyl N,N′ m phenylenedioxamate
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Diethyl N,N′ m phenylenedioxamate
... value from the literature (Allen et al., 1987) is 1.478 (12) AÊ. This may be indicative of the absence of conjugation, in spite of the planarity of the oxamate system, but can be justi®ed by steric hindrance; at 2.640 ... See full document
10
N Phenyl N′ (2 thienylmethylene)hydrazine
... Experimental . Melting points were determined in open capillary tubes on a digital Gallenkamp melting point apparatus and are uncorrected. The IR spectra were recorded for KBr disks with a Mattson 1000 F T—IR ... See full document
6
N,N′ Dicarboxy N,N′ dicarboxylato(m phenylene)dimethanaminium monohydrate
... the imino nitrogen atom. There are N—H···O intramolecular H-bonds. In the title compound, carboxyalte O6/C14/O5 from other molecule links the molecules via O1 and N2 through H—bond to form a pseudo 15–membered ... See full document
9
(N Ethyl N phenyldithiocarbamato κS)triphenyltin(IV)
... Potential applications as anti-cancer agents, anti-microbials and insecticides, and as convenient synthetic precursors for tin sulfide nanoparticles, characterize organotin dithiocarbamates (Tiekink, 2008). This ... See full document
15
Di n butylbis(N ethyl N phenyldithiocarbamato κS)tin(IV)
... C—H S interactions lead to the formation of a linear supramolecular chain along the b axis. The chains are aligned into layers by C—H interactions, and the layers stack along [001]. One of the ethyl groups is ... See full document
13
N Phenylethyl N' [3 (trifluoromethyl)phenyl]thiourea
... The crystal structure is stabilized by intermolecular NÐ H S hydrogen bonds, forming dimers in the solid state. It is interesting that atom H3n does not participate in any hydrogen-bond formation. The approach of a ... See full document
7
4 (N,N Di p tolylamino)benzaldehyde N′,N′ diphenylhydrazone
... N,N-Diphenylnitrous amide (6.0 g, 0.03 mol) and Zn (6.5 g, 0.10 mol) were mixed in ethanol (30 ml); thereafter acetic acid (9.3 ml, 0.16 mol) was added dropwise at 293 K. The reaction mixture was stirred ... See full document
8
Crystal structures of (E) 3 (furan 2 yl) 2 phenyl N tosylacrylamide and (E) 3 phenyl 2 (m tolyl) N tosylacrylamide
... compound (I). The principal difference in the conformation of this molecule with respect to that of compound (I) is the dihedral angle involving the pyran ring and the adjacent aromatic ring, a phenyl ring in (I) ... See full document
15
Palladium(II) and Platinum(II) complexes containing the mixed ligands N-phenyl-N-(2-pyridyl or 2-methylpyridyl) thiourea and diphosphines Ph2 P(CH2 )nPPh2 (n=1-4)
... n.m.r. spectrum showed two signals at δ H 13.8 and 10.9 p.p.m. due to the pyridyl NH and Phenyl NH protons respectively. These are at the same positions as those for the free ligand which suggest that the two NH ... See full document
8
Chlorobis(N,N di n butyldithiocarbamato)phenyltin(IV)
... The synthesis was carried out under a nitrogen atmosphere. Potas- sium N,N-dibutyldithiocarbamate (0.243 g, 1 mmol) was suspended in 20 ml benzene and phenyltin trichloride (0.150 g, 0.5 mmol) was added to ... See full document
8
(N Ethyl N propyldithiocarbamato)triphenyltin(IV)
... The title compound was synthesized by the addition of carbon di- sul®de (1.2 ml, 0.02 mol) to an ethanol solution of ethylpropylamine (1.743 g, 0.02 mol); the resulting solution was stirred for 1 h at 269 K. ... See full document
7
NOVEL MONOCYCLIC β LACTUM MOLECULES: DESIGNED AND CHARACTERIZED AS POSSIBLE ANTIBACTERIAL AGENTS
... 1-[4’-(2”,4”-dichloro-5”-fluoro phenyl)-6’-(2”- thienyl)pyrimidin-2’-yl-ureido]-4-substituted phenyl-3-chloro-2- azetidinone derivatives (2a-j) in moderate ... See full document
8
S Phenyl N,N′ dimethyl 13C2 thiooxamate: a by product in the synthesis of ethyl N,N′ dimethyl 13C2 oxamate
... solution as a by-product during the synthesis of ethyl dimethyl oxamate. It should be noted that Nair & Sheeba [J. Org. Chem. (1999). 64, 6898–6900] also synthesized an oxamate as a by-product during the ... See full document
7
N,N′ m Phenylenebis(4 nitrobenzenesulfonamide)
... nitro- phenyl rings are folded into the same side of the central phenylenediamine moiety, in contrast to the case in bis(4- nitrophenylsulfonyl)-1,4-phenylenediamine (Bock et ... See full document
11
Determination of Genotoxic impurities in a nootropic drug, Rivastigmine tartrate by GCMS
... chloride, Ethyl acetate, acetic acid and Formaldehyde, which were used in the Rivastigmine tartrate ...Methyl N-Ethyl-N-Methylcarbamate, Ethyl ... See full document
8
N,N Dimethyl N′ [3 (trifluoromethyl)phenyl]urea
... The title compound, (I), is a pre- and postemergence herbicide used widely as water dispersible and suspension concentrate formulations for the control of grass and broadleaf weeds in cotton and sugarcane (Zhao & ... See full document
8
Trichlorido(N,N′ di tert butylbenzamidinato κ2N,N′)silicon
... The discrete electronically neutral mononuclear heteroleptic title silicon(IV) complex, (I), crystallizes in the triclinic space group P-1. The mean plane of Si1/N1/C1/N2 and phenyl ring C2-C7 form a dihedral ... See full document
7
Ethyl 4 phenyl 2 (N pyrrolyl) 1,3 thiazole 5 carboxylate
... Data collection: DENZO Otwinowski & Minor, 1997 and COLLECT Hooft, 1998; cell re®nement: DENZO and COLLECT; data reduction: DENZO and COLLECT; programs used to solve structure: SHELXS97 [r] ... See full document
7
Synthesis and Characterization of some Transition Metal Complexes with N-Phenyl-N'-[Substituted Phenyl] Thiourea
... , N-N’- diphenyl thiourea [I] [DPTH], N-phenyl-N’-[2-phenoyl] thiourea [II] [PPTH], N-phenyl-N’-[2-chlorophenyl] thiourea III [PCPTH], ... See full document
7
N [3 (Hydroxymethyl)phenyl] N′ (4 methoxybenzoyl)thiourea
... (3-Aminophenyl)methanol (0.25 g, 2.03 mmol) in acetone (50 ml) was added dropwise to a two-necked round-bottomed flask containing 4-methoxybenzoyl isothiocyanate (0.39 g, 2.03 mmol) in acetone (50 ml). The solution was ... See full document
7
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