[PDF] Top 20 Ethyl (E) 2 cyano 3 (4 methylphenyl)acrylate: a second monoclinic polymorph
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Ethyl (E) 2 cyano 3 (4 methylphenyl)acrylate: a second monoclinic polymorph
... to 3- dimesional organic nanostructures (Zhang et ...unit, cyano group as the electron acceptor unit, the ester group as a flexible chain to increase the solubility of the ...the cyano group and ... See full document
6
1 (5 Hydroxy 3 methyl 1 phenyl 1H pyrazol 4 yl)ethanone: a new monoclinic polymorph
... in the asymmetric unit. This is in contrast to the first monoclinic polymorph reported [Cingolani et al. (2002). Inorg. Chem. 41, 1151–116], which crystallized in the space group C2/ c with one independent ... See full document
9
Second monoclinic polymorph of 2 (benzimidazol 2 yl) 6 methoxyphenol
... Bond lengths and angles in (I) display normal values (Allen et al., 1987), comparable with those in the other polymorph (Elerman & Kabak, 1997). The dihedral angles between the benzene and benzimidazole ring ... See full document
14
(E) Ethyl 3 (2 fluoroanilino) 2 (4 methoxyphenyl)acrylate
... of ethyl 2-(4-methoxyphenyl)-3- oxopropanoate ...and 2-fluorobenzenamine ...the second fraction, after partial solvent evaporated, furnished colorless blocks of (I) suitable for ... See full document
7
A second monoclinic polymorph of 4 [(E) (4 benzyloxybenzylidene)amino] 1,5 dimethyl 2 phenyl 1H pyrazol 3(2H) one
... pyrazolone ring. The benzene ring and the N atom of the pyrazole ring bearing the phenyl substituent are disordered over two sets of sites with an occupancy ratio of 0.71 (2):0.29 (2). The N atoms of the ... See full document
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Crystal structure of ethyl (E) 2 cyano 3 (thiophen 2 yl)acrylate: two conformers forming a discrete disorder
... All reagents and solvents were purchased from commercial sources and used as received. In a two-necked round-bottom flask equipped with a condenser, thiophene-2-carboxaldehyde (740 mg, 6.6 mmol), cyanoacetic acid ... See full document
7
Ethyl 5 cyano 4 (2,3 dimethoxyphenyl) 2 methyl 6 oxopyridine 3 carboxylate
... Compound (I) was prepared by the reaction of 2,3-dimethoxy- phenylmethylidenemalononitrile (0.42 g, 2 mmol) and ethyl aceto- acetate (0.39 g, 3 mmol) in the presence of triethylbenzylammonium ... See full document
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Crystal structures of methyl (E) 3 (2 chlorophenyl) 2 ({2 [(E) 2 nitrovinyl]phenoxy}methyl)acrylate and methyl (E) 2 ({4 chloro 2 [(E) 2 nitrovinyl]phenoxy}methyl) 3 (2 chlorophenyl)acrylate
... Recently, 2-cyanoacrylates have been used extensively as agrochemicals because of their unique mechanism of action and good environmental profiles (Govindan et ... See full document
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A second monoclinic polymorph of 4 (2 hydroxy 4 methoxybenzylideneamino) 1,5 dimethyl 2 phenyl 1H pyrazol 3(2H) one
... and 4-methoxy-2-hydroxybenzaldehyde in methanol, is the second monoclinic polymorph of this compound which crystallizes in the space group ... See full document
9
Methyl (E) 2 cyano 3 (1H indol 3 yl)acrylate
... Indole-3-carbaldehyde (0.725 g, 5 mmol) and ethyl cyanoacetate (0.566 g, 5 mmol) were mixed in 10 ml methanol. To the mixture 3–4 drops of piperidine were added and the mixture refluxed for ... See full document
6
(Z) Ethyl 3 (4 chlorobenzamido) 2 cyano 3 (4 fluorophenyl)acrylate
... C1 0.0583 (19) 0.0492 (16) 0.0460 (17) −0.0001 (14) 0.0068 (15) 0.0007 (14) C2 0.065 (2) 0.064 (2) 0.056 (2) 0.0058 (17) 0.0166 (17) 0.0054 (16) C3 0.076 (2) 0.070 (2) 0.055 (2) ... See full document
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(E) Ethyl 2 cyano 3 [4 (4,5 diphenyl 1H imidazol 2 yl)phenyl]acrylate dihydrate
... of 4-(4,5-diphenyl-1H-imidazol-2- yl)benzaldehyde ...mmol), ethyl 2-cyanoacetate (0.156 g, 2.1 mmol) and pyridine (2 ml) was stirred at room temperature for 10 ...from ... See full document
9
Synthesis, characterization, crystal structure and supramolecularity of ethyl (E) 2 cyano 3 (3 methylthiophen 2 yl)acrylate and a new polymorph of ethyl (E) 2 cyano 3 (thiophen 2 yl)acrylate
... Derivative 2 is a polymorph of ethyl (E)-2-cyano-3-(thio- phen-2-yl)acrylate (CSD refcode GEHYEA; Castro Agudelo et ...extra methyl ... See full document
14
Ethyl (2E) 2 cyano 3 (4 methoxyphenyl)acrylate
... C1 0.0466 (14) 0.0676 (18) 0.0535 (13) −0.0088 (12) 0.0015 (10) −0.0033 (12) C2 0.0525 (14) 0.078 (2) 0.0488 (13) −0.0068 (13) −0.0061 (10) 0.0058 (12) C3 0.0525 (14) 0.0777 (19) 0.0489 (13) −0.0081 (13) −0.0002 ... See full document
8
(E) 2 {N Ethyl 4 [(4 nitrophenyl)diazenyl]anilino}ethyl acrylate
... of 4-nitro-4′-[N-ethyl-N-(2-hydroxy- ethyl)-amino]azobenzene ...After 2 h, the mixture was filtered and the desired product was precipitated out by adding ... See full document
9
Methyl 2 [(2 chloroquinolin 3 yl)(hydroxy)methyl]acrylate
... The quinoline ring is found in compounds with antifungal (Biavatti et al., 2002), antibacterial (Towers et al., 1981) and anticancer (Shen et al., 1999) properties. Quinoline derivatives have been used for their ... See full document
9
Methyl {2 [4 ethyl 1 (tolylsulfonyl) 2,3 dihydropyrrol 3 yl]ethyl}benzoate
... The molecular structure of the title compound, (I), is shown in Fig. 1. In the ethylene link between two rings, the C3ÐC7 and C7ÐC8 bond lengths are 1.580 (3) and 1.442 (3) AÊ, respectively. These values ... See full document
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A second monoclinic polymorph of (E) phenyl(pyridin 2 yl)methanone oxime
... polymorph [Taga et al. (1990). Acta Cryst. C46, 2241–2243] occurs in the space group C2/c (Z = 8). In the crystal, pairs of bifurcated O—H (N,O) hydrogen bonds link the molecules into inversion dimers. The dimers ... See full document
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A second monoclinic polymorph of 2 amino 4,6 dichloropyrimidine
... Cl1A 0.0320 (3) 0.0586 (5) 0.0491 (4) −0.0065 (3) 0.0027 (3) −0.0029 (3) Cl2A 0.0442 (4) 0.0698 (5) 0.0658 (5) −0.0003 (4) 0.0298 (3) −0.0132 (4) N1A 0.0293 ... See full document
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2 (4 Fluorobenzylidene)propanedinitrile: monoclinic polymorph
... Fig. 2 and Table 1, and these are connected into a three-dimensional array by C—F···π contacts, ...Fig. 4 and Table ...triclinic polymorph whereby C—H···N interactions, involving one N atom only, ... See full document
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