[PDF] Top 20 Ethyl 3 oxo 1,2 benzisothiazoline 2 acetate 1,1 dioxide
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Ethyl 3 oxo 1,2 benzisothiazoline 2 acetate 1,1 dioxide
... (Table 1) within the saccharin group of (I) are similar to those found for a series of N- saccharin acids (Feeder & Jones, 1996) and N-saccharin peracids (Feeder & Jones, 1994) as well as those of ... See full document
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Ethyl (3 ethyl 1 oxo 1,2,3,4 tetrahydrocarbazol 2 yl)acetate
... skeleton with carboxyethyl and ethyl groups at positions 2 and 3, respectively. The heterocyclic ring and the benzene ring fused to it are nearly planar, while the cyclohexenone ring adopts a ... See full document
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The polyfunctionalized enaminone ethyl [(Z) 2 (2,2 dimethyl 4,6 dioxo 1,3 dioxan 5 ylidenemethyl) 1 methyl 3 oxo but 1 enylamino]acetate
... not completely coplanar, unlike the structures of N adducts (IVa) and (IVb) (Cunha et al., 2003). The corresponding carbonyl C12 O3 group in these N adducts is completely coplanar with atoms C4, C3 and N1, while the C12 ... See full document
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Crystal structure of ethyl 2 (5 amino 1 benzenesulfonyl 3 oxo 2,3 dihydro 1H pyrazol 2 yl)acetate
... amino group at 7.34 ppm and a pyrazole CH at 4.34 ppm, but spectroscopic data cannot differentiate between structures 3 and 4. The crystal structure determination indicated unam- biguously the formation of the ... See full document
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Crystal structure of ethyl 2 {4 [(5 chloro 1 benzofuran 2 yl)methyl] 3 methyl 6 oxo 1,6 dihydropyridazin 1 yl}acetate
... structure is characterized by disorder of the ethyl group, which is split into two parts, with a major component of 0.57 (3), and the acetate carbonyl O atom, which is statistically disordered. In ... See full document
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Crystal structure of ethyl 2 (2 {1 [N (4 bromophenyl) 2 oxo 2 phenylacetamido] 2 tert butylamino 2 oxoethyl} 1H pyrrol 1 yl)acetate
... The reaction scheme for the synthesis of the title compound is illustrated in Fig. 3. A mixture of pyrrole-1-acetic acid-2- formyl ethylester (2 mmol), 4-bromoaniline (2 mmol), ... See full document
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Ethyl 4 hydroxy 1 methyl 5 oxo 2 phenylpyrrolidine 3 carboxylate 1 25 hydrate
... of ethyl 4-hydroxy-1-methyl-5-oxo-2- phenyl-2,5-dihydropyrrole-3-carboxylate as reported by (Mohammat et ...an ethyl acetate solution of the product at room temperature ... See full document
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Crystal structure and Hirshfeld surface analysis of ethyl 2 {4 [(3 methyl 2 oxo 1,2 dihydroquinoxalin 1 yl)methyl] 1H 1,2,3 triazol 1 yl}acetate
... using 3-methyl-1-(prop-2-ynyl)-3,4-di- hydroquinoxalin-2(1H)-one as dipolarophile and ethyl azido acetate as 1,3-dipole, and crystal structure of ethyl ... See full document
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Crystal structure, Hirshfeld surface analysis and DFT studies of ethyl 2 {4 [(2 ethoxy 2 oxoethyl)(phenyl)carbamoyl] 2 oxo 1,2 dihydroquinolin 1 yl}acetate
... Carbx = carboxylate) weak hydrogen bonds link the molecules into a three- dimensional network sturucture. A – interaction between the constituent rings of the oxoquinoline unit, with a centroid–centroid distance of 3.675 ... See full document
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Ethyl 2 (9 methylsulfonyl 1 oxo 2,3,4,9 tetrahydro 1H carbazol 2 yl)acetate
... To a solution of ethyl 2-(1-oxo-2,3,4,9-tetrahydro-1H- carbazole-2- yl)acetate (1.0 g, 3.68 mmol) in absolute tetrahydrofuran (20 ml) at 195 K was added a 15% solution of n-BuLi ... See full document
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Crystal structure of ethyl 2 {2 [(1Z) 1 hydroxy 3 (4 nitrophenyl) 3 oxoprop 1 en 1 yl]phenoxy}acetate
... Aryloxyphenoxy propionates are an important class of herbicides due to their high efficiency, broad spectrum, low toxicity and good selectivity (Zhu et al., 2006; Zhu et al., 2009). Thus, aryloxy-phenoxy propionate ... See full document
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O Ethyl S {(S) 1 oxo 1 [(R) 2 oxo 4 phenyloxazolidin 3 yl]propan 2 yl} carbonodithioate
... hexane/ethyl acetate 9:1) gave the diastereomeric mixture of (4R)-3-((2R)-(2-O-Ethyl carbonodithioate) propanoyl)-4-phenyloxazolidin-2-one in a 77% of ... See full document
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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 ... See full document
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1 Ethyl 3 (2 phenylethyl)benzimidazole 2 selone
... A mixture of bis[1-ethyl-3-(2-phenylethyl)benzimidazolidin-2-yl- idene] (1.0 g, 2.00 mmol) and selenium (0.33 g, 4.24 mmol) in toluene (10 ml) was heated under re¯ux for 2 h. ... See full document
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Ethyl 6 r (2 chlorophenyl) 2 oxo 4 phenylcyclohex 3 ene 1 t carboxylate
... Data collection: APEX2 (Bruker, 2004); cell refinement: SAINT- NT (Bruker, 2004); data reduction: SAINT-NT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 ... See full document
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Ethyl N (2 acetyl 3 oxo 1 phenylbutyl)carbamate
... minutes. Ethyl N-[(tosyl)(phenyl)methyl]carbamate ...NaHCO 3 , hexane and dried to give 1.1 g (88%) of ethyl N-[(2-acetyl-3-oxo-1-phenyl)butyl]carbamate as ... See full document
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Cyclodec 2′ ynyl (1S,1′R) (–) 4,7,7 trimethyl 3 oxo 2 oxabicyclo[2 2 1]heptane 1 carboxylate
... The title compound is a camphanic acid cyclodecynyl ester. This compound contains a ten-membered ring including a triple bond and is prepared by condensation of (1S)-(ÿ)- camphanic acid chloride with ... See full document
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Synthesis, Characterization and Biological Evaluation of Novel 1-(3- chloro-2-Oxo-4-Phenylazetidin-1-Yl)-3-(2-Oxo-2-(10h-Phenothiazin-10- Yl)Ethyl)Urea and Thiourea Derivatives.
... novel 1-(3-chloro-2-oxo-4-phenylazetidin-1yl)-3-(2-oxo-2-(10H- phenothiazin-10-yl)ethyl)urea and thiourea derivatives 4a-k, 7a-k were ...and 1 H NMR ... See full document
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2 Oxo 2 (2 oxo 2H chromen 3 yl)ethyl pyrrolidine 1 carbodithioate
... Data collection: SMART (Bruker, 2001); cell refinement: SAINT (Bruker, 2001); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 ... See full document
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Ethyl 2 oxo 3 (3 phthalimidopropyl) 2,3 dihydro 1H 1,3 benzimidazole 1 carboxylate
... O5 0.0870 (15) 0.1053 (16) 0.0465 (11) 0.0083 (13) 0.0089 (10) −0.0017 (10) O4 0.1133 (17) 0.0836 (14) 0.0472 (11) 0.0033 (12) 0.0056 (11) 0.0141 (10) C8 0.0491 (14) 0.0495 (13) 0.0551 (15) 0.0054 (11) 0.0044 (11) ... See full document
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