[PDF] Top 20 3 Acetyl 1 phenyl 2 pentene 1,4 dione
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3 Acetyl 1 phenyl 2 pentene 1,4 dione
... The asymmetric unit of (I) consists of two molecules A and B (Fig. 1). The corresponding bond distances and angles of these two molecules agree with each other and show normal values (Allen et al., 1987). A ®t of ... See full document
8
Synthesis, characterization and antimicrobial activities of 1 Acetyl 5 (substituted phenyl) {3 [4 (2 methyl 4 benzylidene 5 oxo imidazol 1 yl)]phenyl} 4,5 dihydropyrazol
... ClN 4 O 2 482.96082 63 210 69.61 69.63 4.78 4.80 11.57 11.60 2 P-4b -2-Cl C 28 H 23 ClN 4 O 2 ...11.60 3 P-4c -3-OCH 3, -4-OCH 3 C 30 H 28 N ... See full document
5
1′ Phenyl 6′ thiacycloheptane 1 spiro 2′ perhydropyrrolizine 3′ spiro 3′′ indoline 2,2′′ dione
... C25 0.0442 (12) 0.0363 (11) 0.0350 (10) −0.0169 (9) −0.0070 (9) −0.0037 (9) N1 0.0371 (9) 0.0375 (9) 0.0259 (8) −0.0184 (7) −0.0141 (7) 0.0032 (7) N2 0.0430 (10) 0.0299 (8) 0.0372 (9) −0.0191 (7) −0.0074 (8) 0.0041 (7) ... See full document
10
4 Acetyl 5 methyl 1 phenyl 1H pyrazole 3 carboxylic acid
... The NÐN distance in the pyrazole ring [1.357 (2) AÊ] is slightly shorter than reported values observed in other pyra- zole ring-based organic compounds (HoÈkelek, KõlõcË & Hayvalõ, 2002; HoÈkelek, KõlõcË, ... See full document
7
(4S) 4 (3,4 Dichlorophenyl) 1′ methyl 4′ phenyl 3,4 dihydronaphthalene 2 spiro 3′ pyrrolidine 2′ spiro 1′′ acenaphthylene 1,2′′(2H,1′′H) dione
... The geometric parameters in the title compound agree with the reported values of a similar structure (Sarala et al., 2006; Ramesh et al., 2007). The 3,4-dichlorophenyl ring makes a dihedral angle of 46.66 (6) ° with the ... See full document
10
SYNTHESIS AND SPECTRAL STUDIES OF 1-(2-HYDROXY 5METHYL PHENYL)-3-PHENYL PROPANE-1, 3-DIONE WITH FE (III) IN AQUO-ORGANIC MEDIA
... of 1, 3-dione in the synthesis of drugs as areagent in quntitative analysis, few system were studied using spectrophotometric ...studied 2-3 ... See full document
6
1′' Benzyl 5′′ benzylidene 1′ methyl 4′ phenyl 1H indole 3 spiro 2′ pyrrolidine 3′ spiro 3′′ piperidine 2(3H),3′′ dione
... chromatography. After the reaction was complete, the solvent was removed in vacuo and the residue was separated by column chromatography (silica gel, petroleum ether/ethyl acetate = 5:1) to give the title ... See full document
12
1 (4 Chlorophenyl) 3 (2 nitrophenyl)propane 1,2 dione
... 1,2-Diketones are important intermediates in the preparation of heterocyclic compounds in synthetic chemistry (van Leusen & van Leusen, 1977; Saalfrank et al., 1988). In addition, they can also be used as ligands in ... See full document
6
Synthesis of 2[2/-propen-1/-one,3/-(4-hydroxy,3-azophenyl) Phenyl] Pyrroles and 2[2/-propen-1/-one-3/- (3-hydroxy Naphthyl-1-azo) Phenyl] Pyrroles
... material 2-[4- hydroxy benz-1(propene-1-one)]Pyrrole (2) was prepared by the reaction of 2-acetyl pyrrole with 4- hydroxy benzaldehyde in presence of 40 % NaOH ... See full document
5
(Z) 2 (5 Acetyl 4 methyl 3 phenyl 2,3 dihydro 1,3 thiazol 2 ylidene) 3 (3 methyl 1 benzofuran 2 yl) 3 oxopropanenitrile
... In the title molecule, Fig. 1, the benzofuran-2-yl ring system (O1/C1-C8, r.m.s. deviation = 0.010 Å) forms dihedral angles of 83.13 (17) and 8.92 (14)° with the benzene (C18-C23) and thiazol ... See full document
8
Synthesis and antimicrobial activity of 2 {4' [(3" aryl) 2" propene 1" N (1,2,4 triazole) amino]} 6 [bis(2"' chloro ethyl) amino] 4 methoxy 1,3,5 triazine
... A mixture of 2–(4'–acetyl phenyl amino)–6–chloro–4–metholy–1,3,5–triazine (2.78 gm, 0.01 m), 2,2'–di chloro diethyl amine hydrochloride (1.43 gm, 0.01m); dioxane (25 ml) and aq. NaOH. ... See full document
5
1 Acetyl 5 ferrocenyl 3 phenyl 2 pyrazoline
... Fig. 1. The dihedral angle of 6.54 (2)° between pyrazoline ring and the phenyl ring indicates that they are conjugated with each other; this is accord with the C1—C7 bond ...for ... See full document
12
Synthesis of lanthanon complexes with βββdiketones and study of their spectral and electrochemical behavior
... the phenyl multiplet has now shifted to ...La 3+ is diamagnetic shifts and a slight broadening has been ...(4f 3 ) chelate both the methyl and the phenyl signals have suffered greater shifts ... See full document
8
4 (4 Chlorophenylsulfanyl) 1 [(E) 2 (4 chlorophenylsulfanyl) 1 phenylethenyl] 3 phenyl 1H pyrazole
... chloro- phenyl rings are twisted from the pyrazole ring at angles of ...(Tab. 1) and C—H···π interactions [C21-H21···cog i (C26,C27,C28,C29,C30,C31); symmetry ... See full document
9
1 Acetyl 1,2 dihydro 2 oxotrispiro[indole 3,2′ oxetane 3′,1′′; 4′,1′′′ dicyclopropane]
... The photoinduced electron transfer (PET) reactions of bi- cyclopropylidene and its derivatives, so far, have not been thoroughly investigated. In the course of our systematic studies on the PET reactions of various ... See full document
9
1′ Methyl 4′ (4 methylphenyl)dispiro[1 benzopyran 3(4H),3′ pyrrolidine 2′,3′′ indoline] 2,2′′ dione
... C25 0.0757 (12) 0.0464 (9) 0.0819 (13) 0.0145 (8) 0.0208 (10) −0.0001 (8) C26 0.0701 (11) 0.0485 (9) 0.0561 (9) 0.0107 (7) 0.0189 (8) 0.0069 (7) C27 0.0697 (12) 0.0794 (14) 0.0981 (16) 0.0079 (10) 0.0307 (11) −0.0328 ... See full document
10
4′ Acetyl 3′′ carbamoyl [1,1′:3′,1′′ terphenyl] 2 carboxylic acid
... Methyl 4′-acetyl-3′′-carbamoyl-[1,1′:3′,1′′-terphenyl]-2-carboxylate ...ml), 2-propanol (20 ml) and THF (20 ml), which was then refluxed ...= 4) with 2 M ... See full document
16
3 (4 Bromophenyl) 5 (4 chlorophenyl) 1 phenyl 2 pyrazoline
... C12 0.054 (3) 0.074 (3) 0.060 (3) −0.012 (3) 0.011 (2) −0.009 (3) C13 0.064 (3) 0.072 (3) 0.054 (3) −0.021 (3) 0.008 (2) 0.001 (2) C14 ... See full document
6
5 (4 Chlorophenyl) 3 (4 nitrophenyl) 1 phenyl 2 pyrazoline
... Cl1 0.0847 (5) 0.0517 (4) 0.0809 (5) −0.0033 (3) 0.0313 (4) 0.0229 (4) O1 0.149 (2) 0.0683 (15) 0.121 (2) 0.0147 (15) 0.0827 (17) 0.0062 (14) O2 0.1079 (19) 0.163 (3) ... See full document
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4 (2 Methylprop 2 enyl) 1 [3 (trifluoromethyl)phenyl]thiosemicarbazide
... respectively. The bond lengths C1ÐN1, C9ÐN3, C8ÐN3 and C8ÐN2 are 1.411 (5), 1.454 (5), 1.328 (5) and 1.346 AÊ, respectively, indicating that the electronic environment around each N atom is different. Intermolecular NÐH ... See full document
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