[PDF] Top 20 5 Acetoxy 1 acetyl 3 pyrrolin 2 one
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5 Acetoxy 1 acetyl 3 pyrrolin 2 one
... active 3-pyrrolin-2-ones are multifunctional building blocks that can take part in several stereoselective transfor- mations, such as conjugate additions (Jime´nez et ... See full document
7
Crystal structures and Hirshfeld surface analyses of 4 benzyl 6 phenyl 4,5 dihydropyridazin 3(2H) one and methyl 2 [5 (2,6 dichlorobenzyl) 6 oxo 3 phenyl 1,4,5,6 tetrahydropyridazin 1 yl]acetate
... For the preparation of compound (II), potassium carbonate (0.50 g, 3.5 mmol) was added to a solution (0.83 g, 2.5 mmol) of 4-(2,6-dichlorobenzyl)-6-phenylpyridazin-3(2H)-one in 30 ml of tetrahydrofuran ... See full document
15
Synthesis and in vitro antitumor activity of (1E,4E)-1-aryl-5-(2-((quinazolin-4-yl)oxy)phenyl)-1,4-pentadien-3-one derivatives
... at 5 μM for 6, 12, and 18 h were stained with TUNEL, with HCPT as positive control at 5 μM for 18 ...Fig. 3, cells in con- trol group (DMSO treatment) did not appear as brown ... See full document
10
Unexpected formation of a co crystal containing the chalcone (E) 1 (5 chlorothiophen 2 yl) 3 (3 methylthiophen 2 yl)prop 2 en 1 one and the keto–enol tautomer (Z) 1 (5 chlorothiophen 2 yl) 3 (3 methylthiophen 2 yl)prop 1 en 1 ol
... The structures of bis-thiophenyl chalcones include 2,6- (E,E)-bis[(thiophene-2-yl)methylene]cyclohexanone (BOQ- YAK; Yakalı et al., 2019) in which the terminal thiophene rings adopt a syn orientation. In ... See full document
10
(2E) 1 (5 Bromothiophen 2 yl) 3 (2,3,4 trimethoxyphenyl)prop 2 en 1 one
... A mixture of 2-acetyl-5-BromoThiophene (0.01 mole) and 2,3,4- trimethoxybenzaldehyde (0.01 mole) were stirred in ethanol (30 ml) and then an aqueous solution of potassium hydroxide (40%,15 ml)was added to ... See full document
7
(5R*) 5 [(2S*,5S*) 1 Methoxy 5 phenylpyrrolidin 2 yl] 3 methylfuran 2(5H) one
... In the title compound, the dihydrofuran ring is planar with a maximum deviation of 0.0016 (11) Å at atom C4, and the pyrrolidine ring is in a twist conformation with puckering parameters of Q(2) = 0.4145 (18) Å ... See full document
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The effect of the fused ring substituent on anthracene chalcones: crystal structural and DFT studies of 1 (anthracen 9 yl) 3 (naphthalen 2 yl)prop 2 en 1 one and 1 (anthracen 9 yl) 3 (pyren 1 yl)prop 2 en 1 one
... (2E)-1-(anthracen-9- yl)-3-[4-(propan-2-yl)phenyl]prop-2-en-1-one (Girisha et ...(E)-1-(anthracen-9-yl)-3-(2-chloro-6-fluorophen- ... See full document
17
(E) 1 (5 Iodothiophen 2 yl) 3 (3,4,5 trimethoxyphenyl)prop 2 en 1 one
... C15 0.0353 (12) 0.0503 (14) 0.0411 (12) 0.0051 (10) −0.0052 (9) 0.0055 (11) C16 0.0263 (10) 0.0400 (12) 0.0425 (12) 0.0002 (9) −0.0035 (9) −0.0044 (10) C14 0.0364 (12) 0.0489 (14) 0.0352 (11) −0.0006 (10) 0.0033 (9) ... See full document
7
(2E) 1 (5 Bromothiophen 2 yl) 3 (4 chlorophenyl)prop 2 en 1 one
... Br1 0.03415 (18) 0.0911 (3) 0.0755 (2) 0.00978 (13) 0.01087 (14) 0.00945 (16) Cl2 0.0432 (4) 0.1058 (7) 0.0687 (5) −0.0075 (4) 0.0196 (3) 0.0045 (4) S3 0.0374 (4) 0.0601 (4) 0.0373 (3) ... See full document
7
Crystal structure of 2 (4 fluoro 3 methylphenyl) 5 {[(naphthalen 1 yl)oxy]methyl} 1,3,4 oxadiazole
... C8 0.0449 (11) 0.0699 (13) 0.0590 (12) −0.0262 (10) −0.0115 (9) −0.0007 (10) C9 0.0493 (11) 0.0568 (11) 0.0413 (9) −0.0225 (9) −0.0141 (8) 0.0024 (8) C10 0.0416 (10) 0.0428 (9) 0.0353 (8) −0.0175 (8) −0.0043 (7) −0.0026 ... See full document
9
4 (4 Fluorophenyl) 2 methyl 3 (1 oxy 4 pyridyl)isoxazol 5(2H) one
... N18 0.0232 (19) 0.0212 (19) 0.031 (3) 0.0019 (15) 0.0016 (17) −0.0046 (18) C19 0.030 (2) 0.025 (2) 0.026 (3) 0.0051 (19) −0.002 (2) 0.000 (2) C20 0.025 (2) 0.018 ... See full document
9
Crystal structure of a one dimensional looped chain silver(I) coordination polymer: catena poly[[silver(I) bis{μ 4 [1 (5′ isopropyl [1,1′:3′,1′′ terphenyl] 2′ yl) 1H imidazol 2 yl]pyridine κ2N:N′}] nitrate methanol monosolvate monohydrate]
... In the title compound there are two crystallographically independent ligands, A and B, and their conformations are very similar, such that the dihedral angles between the pyridyl and imidazolyl rings in the two ligands ... See full document
16
Crystal structure of (2E) 1 (5 bromothiophen 2 yl) 3 (2 chlorophenyl)prop 2 en 1 one
... A mixture of 2-acetyl-5-bromothiophene (0.01 mol) and 2-chlorobenzaldehyde (0.01 mol) were stirred in ethanol (30 ml) and then an aqueous solution of potassium hydroxide (40%,15 ml) was added. The ... See full document
5
(±) 3 (5 Amino 3 methyl 1 phenyl 1H pyrazol 4 yl) 2 benzofuran 1(3H) one
... Further analysis showed that each molecule is linked to other molecules by weak N—H···N, N—H···O and C—H···O interactions (see table 1, Nardelli, 1995). These intermolecular contacts are explained in terms of the ... See full document
9
2 [(5′ Chloro 1,1′:3′,1′′ terphenyl 4′ yl)imino]acenaphthylen 1(2H) one
... C7 0.0259 (15) 0.058 (2) 0.0209 (14) −0.0123 (16) −0.0051 (11) 0.0032 (14) C8 0.0264 (14) 0.048 (2) 0.0201 (13) −0.0138 (15) −0.0022 (10) 0.0100 (13) C9 0.0231 (13) 0.0350 (18) 0.0165 (12) −0.0062 (14) ... See full document
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3 Anilino 1 (2 fluoro 5 methylphenyl) 3 (methylsulfanyl) 2 (1H 1,2,4 triazol 1 yl)prop 2 en 1 one
... S1 0.0366 (3) 0.0796 (4) 0.0369 (3) 0.0015 (3) 0.0039 (2) −0.0162 (3) F1 0.0651 (9) 0.0683 (9) 0.0906 (11) −0.0167 (7) 0.0258 (8) −0.0295 (8) O1 0.0330 (7) 0.0847 (11) 0.0390 (7) 0.0091 ... See full document
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3 {2 [(3 {(E) 2 [4 (Dimethylamino)phenyl]ethenyl}quinoxalin 2 yl)oxy]ethyl} 1,3 oxazolidin 2 one monohydrate
... C8 0.0229 (6) 0.0181 (5) 0.0175 (6) −0.0003 (4) 0.0034 (5) 0.0020 (4) C9 0.0417 (8) 0.0205 (6) 0.0173 (6) 0.0018 (5) 0.0044 (6) 0.0012 (4) C10 0.0359 (8) 0.0261 (7) 0.0229 (7) −0.0056 (6) −0.0006 (6) ... See full document
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The crystal structures of two chalcones: (2E) 1 (5 chlorothiophen 2 yl) 3 (2 methylphenyl)prop 2 en 1 one and (2E) 1 (anthracen 9 yl) 3 [4 (propan 2 yl)phenyl]prop 2 en 1 one
... that one of the two independent molecules was disordered over two sets of atomic sites having unequal ...the one-angle non- bonded distances were restrained to be the same as the corresponding distances in ... See full document
22
1,3 Bis[(3 chloropyrazin 2 yl)oxy]benzene
... contains one half-molecule, the complete molecule being generated by the operation of a twofold rotation axis. The Cl atom deviates significantly from the plane of the pyrazine ring [0.0215 (4) A ˚ ]. The central ... See full document
5
The crystal structures of two chalcones: (2E) 1 (5 chlorothiophen 2 yl) 3 (2 methylphenyl)prop 2 en 1 one and (2E) 1 (anthracen 9 yl) 3 [4 (propan 2 yl)phenyl]prop 2 en 1 one
... (Table 1) to form a C(5) chain running parallel to the [001] direction ...(Table 2), but the chains formed by the ordered and disor- dered forms are different, in that in the chain of ordered ... See full document
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