[PDF] Top 20 Efecto del etanol en concentraciones mezclado con gasolina en la emisión de CO2 y CO en el motor AP1600
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(E,E) 1 (3 Iodophenyl) 4 (3 nitrophenyl) 2,3 diazabuta 1,3 diene
... phenyl)-2,3-diazabuta-1,3-diene, (II), where the molecules are disordered across inversion centres in the space group C2/c. In (II), however, the population of the nitro sites was smaller than that of the iodo ... See full document
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4 Chloro 1,1 diphenyl 3 (1 pyrrolyl) 2 azabuta 1,3 diene
... As a part of our research on the reactivity of 4,4-dichloro-1,1- diphenyl-2-azabuta-1,3-diene, (1), towards different nucleo- philes, we have already described its reactions with some sodium ... See full document
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2 Methyl 3 (10H phenothiazin 10 yl)buta 1,3 diene 1,1,4,4 tetracarbonitrile
... For applications of tetracyano-1,3-butadienes in photonics and non-linear optics, see: Faupel et al. (2007). For the preparation and structure of 10-(prop-1-yn-1-yl)-10H-phenothiazine, see: Zaugg et al. ... See full document
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3,4,4 Trichloro 1 [4 (diphenylmethyl)piperazin 1 yl] 2 nitro 1 (propylsulfanyl)buta 1,3 diene
... O1 0.088 (5) 0.070 (4) 0.070 (4) −0.031 (4) 0.010 (4) 0.002 (3) O2 0.051 (4) 0.105 (5) 0.092 (5) −0.004 (4) −0.015 (4) −0.002 (4) N3 0.054 (4) 0.048 (4) 0.072 (5) −0.004 (3) −0.009 (4) −0.014 (4) C18 0.050 ... See full document
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(Z,Z) 1,4 Diiodo 1,4 bis(trimethylsilyl)buta 1,3 diene
... I1 0.02999 (7) 0.03118 (7) 0.02837 (7) 0.01194 (4) 0.00029 (5) 0.01117 (5) I2 0.02378 (7) 0.02802 (7) 0.02598 (6) −0.00570 (4) −0.00083 (4) 0.00471 (4) Si1 0.0211 (2) 0.0241 (2) 0.01973 (19) 0.00282 (16) ... See full document
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2 {3 Cyano 5,5 dimethyl 4 [4 (piperidin 1 yl)buta 1,3 dienyl] 2,5 dihydrofuran 2 ylidene}malononitrile
... The polyene-C—H···N interactions with adjacent cyano N atoms (C13′, C14, C14′) are commonly observed for these molecules (Gainsford et al., 2008) as is the methylene-C19—H19A interaction with N2′ (entry 5, Table ... See full document
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Crystal structure of cis 1 phenyl 8 (pyridin 2 ylmethyl)dibenzo[1,2 c:2,1 h] 2,14 dioxa 8 aza 1 borabicyclo[4 4 0]deca 3,8 diene
... Woodgate et al., 1999). Specifically, two members of this selected group are structurally related to the title compound: II (MAWDET; Woodgate et al., 1999) and the recently described compound III (EROJIF; Geng & Wu, ... See full document
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Crystal structure of di μ2 chlorido bis[(1 aza 4 azoniabicyclo[2 2 2]octane κN1)dichloridodicadmium]
... Cd1 0.03132 (14) 0.02795 (13) 0.03533 (14) 0.00383 (9) −0.00315 (9) −0.00071 (9) Cl2 0.0293 (3) 0.0249 (3) 0.0224 (3) 0.0010 (3) −0.0047 (3) 0.0066 (3) Cl3 0.0201 (3) ... See full document
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Synthesis, Electrochemistry and Antitumor Activity of 1’H, 3’H(Me) spiro [(aza)benzimidazoline 2’, 3 (1,2 diferrocenylcyclopropenes)], 2 (1,2 Diferrocenylvinyl)benz and Azabenzimidazoles
... Diaryl- and diferrocenylcyclopropenilium cations with dialkylamino and methylsulfanyl groups in the small cycle are successfully used in organic synthesis as diferrocenyl-substituted three-carbon building blocks ... See full document
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2 {3 Cyano 5,5 dimethyl 4 [4 (pyrrolidin 1 yl)buta 1,3 dienyl] 2,5 dihydrofuran 2 ylidene}malononitrile dichloromethane solvate
... Data collection: APEX2 (Bruker, 2005); cell refinement: SAINT (Bruker, 2005); data reduction: RLATT (Bruker, 2004), SAINT (Bruker, 2005) and SADABS (Sheldrick, 2003); program(s) used to solve structure: SHELXS97 ... See full document
254
Octabutyl 1κ2C,2κ2C,3κ2C,4κ2C di μ3 oxo 1:2:3κ3O;2:3:4κ2O di μ2 phenoxy 1:2κ2O;3:4κ2O diphenoxy 1κO,4κO tetratin(IV)
... O1 −0.26425 (16) 0.38689 (15) −0.19084 (19) 0.0259 (6) O2 −0.22347 (17) 0.43651 (15) −0.34944 (19) 0.0264 (6) O3 −0.11746 (17) 0.39197 (15) −0.04275 (18) 0.0269 (6) O4 −0.36901 (17) 0.42593 (16) −0.49860 (19) 0.0321 (6) ... See full document
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(Z) 2 (3 Nitrobenzylidene) 1 azabicyclo[2 2 2]octan 3 one
... In continuation of our work with 2-(substituted benzylidene/heteroaryl-3-ylmethylene)-1-azabicyclo[2.2.2]octan-3-ones (Sonar et al. , 2004), as precursors of medicinal agents, we synthesized ... See full document
21
(2E) 1 (3 Bromophenyl) 3 (2 thienyl)prop 2 en 1 one
... Br1 0.01880 (9) 0.02695 (9) 0.01295 (7) −0.00228 (6) −0.00175 (5) 0.00569 (5) O1 0.0144 (5) 0.0291 (6) 0.0178 (5) 0.0011 (4) −0.0008 (4) 0.0051 (4) C1 0.0141 (7) 0.0169 (6) 0.0188 (7) 0.0007 (5) −0.0024 (5) 0.0019 (5) C2 ... See full document
13
(3 Iodophenyl)[2 (3 iodophenylimino) 1 methylpropylidene]amine
... Molecules containing the 1,4-diaza-1,3-butadiene skeleton are interesting because of their versatile coordination behavior and the properties of their metal complexes (van Koten & Vrieze, 1982). The two imine groups ... See full document
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2 Chloro 1 (3 mesityl 3 methylcyclobutyl)ethanone
... Data collection: X-AREA (Stoe & Cie, 2002); cell refinement: X-AREA; data reduction: X-RED32 (Stoe & Cie, 2002); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine ... See full document
122
2′ Deoxy 3′,5′ di O acetyluridine
... O1 0.0663 (12) 0.0660 (16) 0.0392 (9) 0.0197 (12) 0.0141 (8) 0.0014 (10) O2 0.0806 (13) 0.0832 (18) 0.0306 (9) −0.0212 (14) 0.0169 (8) −0.0114 (11) O3 0.0392 (9) 0.0765 (16) 0.0329 (8) −0.0059 (10) 0.0094 (6) 0.0116 (9) ... See full document
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1 Acetyl 3 ethyl r 2,c 6 di 2 furylpiperidin 4 one
... Data collection: CAD-4 Software (Enraf–Nonius, 1989); cell refinement: CAD-4 Software; data reduction: XCAD4 (Harms & Wocadlo, 1997); program(s) used to solve structure: SIR2004 (Burla et al., 2004); program(s) used ... See full document
170
1 [2 Oxo 1′ phenyl 2′,3′,5′,6′,7′,7a' hexahydroindoline 3 spiro 3′ 1′H pyrrolizin 2′ yl] 3 phenylprop 2 en 1 one
... O1 0.0650 (8) 0.0620 (8) 0.0555 (7) 0.0293 (6) 0.0181 (6) 0.0059 (6) O2 0.0677 (7) 0.0387 (6) 0.0321 (5) 0.0100 (5) 0.0121 (5) −0.0012 (4) N1 0.0375 (6) 0.0593 (8) 0.0301 (6) 0.0104 (5) 0.0082 (5) −0.0051 (5) N2 0.0613 ... See full document
204
1 (2 Furyl) 3 hydroxy 3 (2 methoxy 2 naphthyl)prop 2 en 1 one
... The title compound, (I) (Fig. 1), crystallizes as the enol tautomer, forming the expected intramolecular O—H O hydrogen bond (Table 1). The entire molecule is approxi- mately planar. The dihedral angles ... See full document
18
2 (1 Benzyl 1H indol 3 ylmethylene) 1 azabicyclo[2 2 2]octan 3 one
... The X-ray structure analysis of the title compound (I) was carried out in order to obtain detailed information about the solid state stereochemistry and conformation of products resulting from condensation of indole ... See full document
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