[PDF] Top 20 1 Chloro 3,4 dinitrobenzene–1,4 dioxane (1/1)
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1 Chloro 3,4 dinitrobenzene–1,4 dioxane (1/1)
... which runs parallel to the body diagonal (111). These chains are then hydrogen-bonded together, forming a sheet via two C—H O interactions between two 3,4-DNCB molecules and one C—H O interaction between the 3,4-DNCB ... See full document
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3 Cyanopyridine–2 chloro 4 nitrobenzoic acid (1/1)
... acid (1/1) unit, (I) (Fig. 1). No other signi®cant hydrogen bonds are found. In the crystal structure (Fig. 2), the molecules are stacked in columns held together by three different ± stacking ... See full document
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5 Chloro 5′′ (4 chlorobenzylidene) 4′ (4 chlorophenyl) 1′,1′′ dimethyldispiro[indoline 3,2′ pyrrolidine 3′,3′′ piperidine] 2,4′′ dione
... spiro links, the first connecting the piperidine and pyrrolidine rings and the other connecting the indole and pyrrolidine rings. The piperidine ring adopts a half-chair conformation, while the pyrrolidine ring has an ... See full document
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Crystal structures of isoquinoline–3 chloro 2 nitrobenzoic acid (1/1) and isoquinolinium 4 chloro 2 nitrobenzoate
... Table 1) is observed in the hydrogen-bonded acid–base ...the benzene ring of the acid molecule are almost coplanar with each other; the carboxy group makes dihedral angles of ... See full document
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3,5 Lutidinium–2 chloro 4 nitrobenzoate–2 chloro 4 nitrobenzoic acid (1/1/1)
... aromatic C1ÐC6 rings of benzoate ions (Fig. 3). The inter- planar and centroid±centroid separations are 3.515 (2) and 3.658 (2) AÊ, respectively. The carboxylate group is twisted out of the plane of the ... See full document
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The 1:1 complex of 4 chloro 3 nitrobenzoic acid and pyridazine
... the benzene ring is 1.1 (3)°, and ...and benzene rings. The nitro group is twisted out of the benzene ring plane, with a dihedral angle of ...H 4 ClNO 4 ·C 4 H ... See full document
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6 Chloro 8 nitro 4 oxo 4H chromene 3 carbaldehyde
... the benzene rings of the chromone units = 3.770 (3) Å], as shown in ...the nitro group [3.874 (2) Å], the formyl group [3.535 (3) and ...(Fig. 1, right), but it is not observed in the ... See full document
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3,4 Dichloro 1 nitrobenzene–1,4 dioxane (4/1)
... metric unit comprises two independent 3,4-dichloro-1-nitro- benzene molecules and half of a 1,4-dioxane molecule, the solvent molecule being disposed about a centre of inversion. Double chains ... See full document
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5 Chloro 3 (4 fluorophenylsulfonyl) 2,7 dimethyl 1 benzofuran
... between the plane of the benzofuran ring system [r.m.s. deviation = 0.007 (1) A ˚ ] and that of the 4-fluorophenyl ring is 76.11 (5) . In the crystal, molecules are linked into [010] chains via two ... See full document
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5 Chloro 5′′ (4 chlorobenzylidene) 4′ (4 chlorophenyl) 1′′ ethyl 1′ methyldispiro[indoline 3,2′ pyrrolidine 3′,3′′ piperidine] 2,4′′ dione
... pyrrolidine-bound benzene rings [inter-centroid distance = ...pyrrolidine-bound benzene [shortest C C separation = 3.484 (4) A ˚ ] connect the layers into a three-dimensional ... See full document
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4 Nitro N^2^ (pyridin 4 ylmethylidene)benzene 1,2 diamine
... C1 0.0439 (16) 0.0497 (17) 0.0602 (19) 0.0008 (14) 0.0209 (15) 0.0038 (15) N1 0.0479 (17) 0.081 (2) 0.093 (3) 0.0097 (17) 0.0174 (18) 0.035 (2) O1 0.0750 (18) 0.108 (2) 0.143 (3) 0.0420 (18) 0.0195 (18) ... See full document
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2 Chloro 1 (3 ethoxy 4 nitrophenoxy) 4 (trifluoromethyl)benzene
... O1 0.0510 (11) 0.0743 (14) 0.0894 (16) −0.0214 (9) −0.0091 (10) 0.0263 (11) O2 0.0410 (10) 0.0514 (10) 0.0744 (13) 0.0006 (7) 0.0088 (8) 0.0030 (8) O3 0.061 (3) 0.062 (3) 0.064 (3) −0.023 (2) 0.020 ... See full document
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4 Chloro 3 fluoro 2 methylaniline–pyrrolidine 2,5 dione (1/1)
... Chlorination of anilines with N-chlorosuccinimide (NCS) can provide access to poly-substituted aromatic compounds, useful as high-value synthetic intermediates (Lazar et al., 2004; Marterer et al., 2003; Nickson & ... See full document
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1,10 Phenanthrolinium 4 chloro 2 hydroxybenzoate–1,10 phenanthroline–4 chloro 2 hydroxybenzoic acid (1/1/1)
... between pyridine rings of adjacent phen and Hphen species is 3.7718 (15) A ˚ , and that between the benzene and pyridine rings of adjacent phen and Hphen species is 3.7922 (16) A ˚ , indicative of – stacking ... See full document
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Mortar Pestle and Microwave Assisted Regioselective Nitration of Aromatic Compounds in Presence of Certain Group V and VI Metal Salts under Solvent Free Conditions
... of benzene and toluene is sone of the most important routs to substituted aromatics in the production of chemical inter- ...a nitro group into an aro- matic ring is commonly performed in strongly acidic ... See full document
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Crystal structure of 4 chloro 2 nitrobenzoic acid with 4 hydroxyquinoline: a disordered structure over two states of 4 chloro 2 nitrobenzoic acid–quinolin 4(1H) one (1/1) and 4 hydroxyquinolinium 4 chloro 2 nitrobenzoate
... A packing diagram of the title compound, showing hydrogen-bonded acid-base units stacked along the b axis via the – interactions (magenta dashed lines). The – interactions including the centroid of the C11–C16 ring of ... See full document
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1 Allyl 3 chloro 5 nitro 1H indazole
... C5 0.0388 (9) 0.0757 (13) 0.0500 (10) −0.0016 (9) −0.0047 (7) −0.0016 (9) C6 0.0458 (9) 0.0567 (11) 0.0498 (9) 0.0071 (8) −0.0024 (7) 0.0017 (8) C7 0.0428 (8) 0.0458 (9) 0.0398 (8) −0.0012 (7) −0.0008 (6) 0.0017 (7) C8 ... See full document
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1 (4 Chloro 3 fluorophenyl) 2 [(3 phenylisoquinolin 1 yl)sulfanyl]ethanone
... In compound (I), the S atom also located in the plane. The F atom deviates by 0.014 A from mean plane of phenyl ring containing F and Cl atoms. In this ring F– C and Cl—C bond distances are 1.348 (4) A, 1.727 ... See full document
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5 Chloro 2 (4 methylphenyl) 3 methylsulfinyl 1 benzofuran
... Cl1 0.0365 (3) 0.0364 (2) 0.0259 (2) 0.01030 (19) −0.00156 (17) −0.00172 (16) S1 0.0199 (2) 0.0253 (2) 0.0326 (2) 0.00772 (16) 0.00336 (15) 0.00359 (15) O1 0.0207 (6) 0.0284 (6) 0.0265 (6) 0.0073 (5) 0.0031 ... See full document
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5 Chloro 2 methyl 3 (4 methylphenylsulfonyl) 1 benzofuran
... Data collection: APEX2 (Bruker, 2009); cell refinement: SAINT (Bruker, 2009); 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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