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[PDF] Top 20 Ethyl 8 meth­­oxy 4 oxo 1,4 di­hydro­quinoline 3 carboxyl­ate

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Ethyl 8 meth­­oxy 4 oxo 1,4 di­hydro­quinoline 3 carboxyl­ate

Ethyl 8 meth­­oxy 4 oxo 1,4 di­hydro­quinoline 3 carboxyl­ate

... the ethyl group in one of the four molecules is disordered with a refined occupancy ratio of ...the quinoline units of the two molecules [centroid–centroid distances = ... See full document

16

Ethyl 4 [1 (4 bromo­phenyl) 3 methyl 5 oxo 4,5 di­hydro 1H 1,2,4 triazol 4 yl­imino­methyl]­phen­oxy­acetate

Ethyl 4 [1 (4 bromo­phenyl) 3 methyl 5 oxo 4,5 di­hydro 1H 1,2,4 triazol 4 yl­imino­methyl]­phen­oxy­acetate

... A perspective view of (I), including the atomic numbering scheme, is shown in Fig. 1. The asymmetric unit consists of two crystallographically independent molecules. The overall r.m.s fit of these molecules is ... See full document

14

Ethyl 4 (4 chloro­phen­yl) 2 methyl 5 oxo 5,6,7,8 tetra­hydro­quinoline 3 carboxyl­ate

Ethyl 4 (4 chloro­phen­yl) 2 methyl 5 oxo 5,6,7,8 tetra­hydro­quinoline 3 carboxyl­ate

... The pyridine nucleus is of substantial significance as it is the key component in a variety of bioactive compounds, both naturally occurring and synthetic. The oxidative aromatization of 1,4-dihydropyridines is a very ... See full document

7

Ethyl 4 (3 hy­droxy 6 methyl 4 oxo 4H pyran 2 yl­methyl)­piperazine 1 carboxyl­ate

Ethyl 4 (3 hy­droxy 6 methyl 4 oxo 4H pyran 2 yl­methyl)­piperazine 1 carboxyl­ate

... C14 0.0656 (15) 0.117 (2) 0.127 (2) −0.0139 (14) 0.0241 (16) −0.0152 (18) O1 0.0493 (7) 0.0594 (7) 0.0467 (6) 0.0004 (5) 0.0093 (5) 0.0022 (5) C4 0.0433 (8) 0.0600 (10) 0.0405 (8) −0.0056 (7) 0.0012 (6) ... See full document

8

Ethyl 7 amino 1 cyclo­propyl 6 fluoro 8 meth­­oxy 4 oxo 1,4 di­hydro­quinoline 3 carboxyl­ate monohydrate

Ethyl 7 amino 1 cyclo­propyl 6 fluoro 8 meth­­oxy 4 oxo 1,4 di­hydro­quinoline 3 carboxyl­ate monohydrate

... Ethyl 7-azido-1-cyclopropyl-6-fluoro-8-methoxyl-4-oxo-1,4-dihydroquinoline-3- carboxylate (2 g, 5.8 mmol), 5% Pd/C (0.4 g) were suspended in methanol (20 ml) and the mixture was ... See full document

7

1 Ethyl 4 hy­droxy 2 oxo 1,2 di­hydro­quinoline 3 carboxyl­ic acid

1 Ethyl 4 hy­droxy 2 oxo 1,2 di­hydro­quinoline 3 carboxyl­ic acid

... The C2ÐO13, C4ÐO17, C14ÐO16 and C3ÐC4 bond lengths [1.266 (2), 1.333 (2), 1.239 (3) and 1.381 (2) AÊ, respectively] indicate that the title compound exists in the crystal as the 2-oxo-4-hydroxy ... See full document

7

Ethyl 3′ cyano 1′ methyl 2 oxo 4′ phenylspiro­[acenaphthene 1,2′ pyrrolidine] 3′ carboxyl­ate

Ethyl 3′ cyano 1′ methyl 2 oxo 4′ phenylspiro­[acenaphthene 1,2′ pyrrolidine] 3′ carboxyl­ate

... (Fig. 1) there is one spiro junction at atom C12. The 2H-acenaphthylen-1-one ring system (C1—C12) is nearly planar, with a maximum displacement of ... See full document

9

Ethyl 4 (3 bromo 2 thien­yl) 2 oxo 6 phenyl­cyclo­hex 3 ene 1 carboxyl­ate

Ethyl 4 (3 bromo 2 thien­yl) 2 oxo 6 phenyl­cyclo­hex 3 ene 1 carboxyl­ate

... The structure of (I) contains two molecules in an asymmetric unit (Figs. 1 and 2). A methyl C-atom of methoxy group in the molecule 1, presented in Fig. 1 is disordered over two sites C19 and C19′. ... See full document

10

Crystal structure of ethyl 4 [4 (di­methyl­amino)­phen­yl] 2,7,7 tri­methyl 5 oxo 1,4,5,6,7,8 hexa­hydro­quinoline 3 carboxyl­ate

Crystal structure of ethyl 4 [4 (di­methyl­amino)­phen­yl] 2,7,7 tri­methyl 5 oxo 1,4,5,6,7,8 hexa­hydro­quinoline 3 carboxyl­ate

... Examination of the fused C5–C10 cyclohexanone ring using puckering parameters also showed that the ring adopts an envelope conformation, with atom C7 protruding in the same direction as the 4-aryl group at a ... See full document

10

Ethyl 2,5 di tert butyl 5 eth­­oxy 4 oxo 4,5 di­hydro 1H pyrrole 3 carboxyl­ate

Ethyl 2,5 di tert butyl 5 eth­­oxy 4 oxo 4,5 di­hydro 1H pyrrole 3 carboxyl­ate

... compound, ethyl 2,5-di(tert-butyl)-1-hydroxypyrrole-3- carboxylate (Ramasseul & Rassat, 1970; Riplinger et ...2009): 1) O-benzylation, 2) Vilsmeier formylation of the 4 ... See full document

11

Ethyl 8 meth­­oxy 2 oxo 2H 1 benzo­pyran 3 carboxyl­ate

Ethyl 8 meth­­oxy 2 oxo 2H 1 benzo­pyran 3 carboxyl­ate

... Intermolecular – interactions between the coumarin planes of (I) are observed (Fig. 2). The distances between the atoms of the coumarin ring systems are 3.3036 (18) A ˚ for C1 C7 i [symmetry code: (i) 2 x, y, 1 z] ... See full document

7

8 Ethyl 2 hydr­­oxy 2 methyl 4 morpholino­ethyl 1 thia 4 aza­spiro­[4 5]decan 3 one

8 Ethyl 2 hydr­­oxy 2 methyl 4 morpholino­ethyl 1 thia 4 aza­spiro­[4 5]decan 3 one

... and these dimers are linked into a three-dimensional framework structure by a combination of three independent C— H···O hydrogen bonds (Table 1). The thiazole ring (C1–C3/S1/N1) has an envelope conformation on S1 ... See full document

10

(1S,2S) 1 {2 [(4 Meth­oxy­benzyl)­­oxy]­ethyl} 2 methyl 3 butenyl (1S,4R) 4,7,7 tri­methyl 3 oxo 2 oxabi­cyclo­[2 2 1]­heptane 1 carboxyl­ate

(1S,2S) 1 {2 [(4 Meth­oxy­benzyl)­­oxy]­ethyl} 2 methyl 3 butenyl (1S,4R) 4,7,7 tri­methyl 3 oxo 2 oxabi­cyclo­[2 2 1]­heptane 1 carboxyl­ate

... To a solution of 1-[(4-methoxybenzyl)oxy]-4-methylhex-5-en-3-ol (0.91 mmol), (1), in dry dichloromethane (1 ml) was added triethyl- amine (1.27 mmol) and ... See full document

8

Ethyl 4 hy­dr­oxy 1 methyl 5 oxo 2 phenyl­pyrrolidine 3 carboxyl­ate 1 25 hydrate

Ethyl 4 hy­dr­oxy 1 methyl 5 oxo 2 phenyl­pyrrolidine 3 carboxyl­ate 1 25 hydrate

... C11C 0.0192 (7) 0.0193 (7) 0.0224 (8) −0.0016 (5) −0.0036 (6) −0.0026 (6) C12C 0.0189 (7) 0.0151 (7) 0.0139 (7) 0.0009 (5) −0.0025 (5) 0.0000 (5) C13C 0.0336 (9) 0.0242 (8) 0.0247 (8) 0.0027 (6) ... See full document

16

1 Ethyl 6 fluoro 7 (4 methyl­piperazin 4 ium 1 yl) 4 oxo 1,4 di­hydro­quinoline 3 carboxylate hexa­hydrate

1 Ethyl 6 fluoro 7 (4 methyl­piperazin 4 ium 1 yl) 4 oxo 1,4 di­hydro­quinoline 3 carboxylate hexa­hydrate

... Data collection: SMART Bruker, 1998; cell refinement: SAINTPlus Bruker, 1998; data reduction: SAINT-Plus; programs used to solve structure: SHELXS97 Sheldrick, 2008; programs used to ref[r] ... See full document

8

Ethyl 4 {[1 (2,4 di­chloro­benz­yl) 1H 1,2,3 triazol 4 yl]meth­­oxy} 8 (tri­fluoro­meth­yl)quinoline 3 carboxyl­ate

Ethyl 4 {[1 (2,4 di­chloro­benz­yl) 1H 1,2,3 triazol 4 yl]meth­­oxy} 8 (tri­fluoro­meth­yl)quinoline 3 carboxyl­ate

... of 1-(bromomethyl)-2,4-dichlorobenzene ...ml, 1:1, v/v), ethyl 4-(prop-2-yn-1-yloxy)-8- (trifluoromethyl)quinoline-3- carboxylate ...in ethyl acetate ... See full document

10

Crystal structure of ethyl 8 chloro 4 oxo 1,4 di­hydro­quinoline 3 carboxyl­ate

Crystal structure of ethyl 8 chloro 4 oxo 1,4 di­hydro­quinoline 3 carboxyl­ate

... O4 0.0712 (15) 0.0492 (12) 0.0719 (14) 0.0318 (11) −0.0349 (12) −0.0278 (11) O5 0.0585 (14) 0.0736 (16) 0.121 (3) 0.0266 (12) −0.0419 (15) −0.0473 (16) O6 0.0698 (15) 0.0779 (16) 0.0975 (19) 0.0253 (13) −0.0478 ... See full document

14

Ethyl 4 oxo 2,6 di­phenyl 4 piperidine 3 carboxyl­ate

Ethyl 4 oxo 2,6 di­phenyl 4 piperidine 3 carboxyl­ate

... C21A 0.0228 (8) 0.0282 (9) 0.0224 (8) 0.0054 (7) 0.0032 (7) −0.0004 (7) C22A 0.0308 (10) 0.0448 (13) 0.0304 (10) 0.0010 (9) 0.0026 (8) −0.0100 (9) C23A 0.0428 (13) 0.0715 (18) 0.0252 (10) 0.0105 (13) ... See full document

12

Ethyl 4 ({1 [2 (4 bromo­phen­yl) 2 oxo­eth­yl] 1H 1,2,3 triazol 4 yl}meth­­oxy) 8 (tri­fluoro­meth­yl)quinoline 3 carboxyl­ate

Ethyl 4 ({1 [2 (4 bromo­phen­yl) 2 oxo­eth­yl] 1H 1,2,3 triazol 4 yl}meth­­oxy) 8 (tri­fluoro­meth­yl)quinoline 3 carboxyl­ate

... 2010). Quinoline and its derivatives are well known nitrogen-containing heterocyclic compounds and play an important role in medicinal and pesticide chemistry by exhibiting a wide range of activities such as ... See full document

12

Ethyl 4 oxo 2,6 di­phenyl­piperidine 3 carboxyl­ate

Ethyl 4 oxo 2,6 di­phenyl­piperidine 3 carboxyl­ate

... The title compound was synthesized by condensation of 9.90 g (0.100 mol) piperidin-4-one and 10.7 ml (0.100 ml) ethyl acetate in the presence of 0.05 g benzaldehyde and benzyl ketone. The reaction mixture ... See full document

9

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