PROPANE-1
3 (2 Methyl 1,3 benzothiazol 3 ium 3 yl)propane 1 sulfonate monohydrate
... (Fig. 1), which contains a sulfonic group, with the aim of increased ...S 1 ·H 2 O (Lynch, 2002), both of them are in a hydrogen-bonding network with water ...
8
Crystal structure of [propane 1,3 diylbis(piperidine 4,1 diyl)]bis[(pyridin 4 yl)methanone]–isophthalic acid (1/1)
... acid and [propane-1,3-diylbis(piperidine-4,1-diyl)]bis(pyridin-4-ylmethanone) molecules are connected into supramolecular chains aligned along the c axis by O—H N hydrogen bonding. These aggregate into ...
11
Propane 1,2 diaminium hydrogenarsenate
... hydrogenarsenate group in (I) shows its normal tetrahedral geometry [mean As—O 1.686 (2) A ˚ ], with the protonated As1—O4 vertex showing its usual lengthening relative to the unprotonated As—O bonds (Table 1). ...
9
STUDIES ON PHTHALIC ACID PROPANE 1, 2 DIOL GLYCEROL CO POLYESTER AS AN ENTERIC COATING MATERIAL
... From the degradation study it was found that, phthalic acid, propane-1, 2-diol-glycerol co- polyester remained intact in the gastric fluid (pH = 1.2) but gradually degraded in intestinal fluid (pH = 7.4). ...
6
Diaqua[N,N′ bis(2 pyridylmethylene)propane 1,3 diamine]manganese(II) dibromide–aquabromido[N,N′ bis(2 pyridylmethylene)propane 1,3 diamine]manganese(II) bromide–dibromido[N,N′ bis(2 pyridylmethylene)propane 1,3 diamine]manganese(II) (1/2/1)
... propane-1,3-diamine (bppd) occupying equatorial positions and two Br atoms occupying axial positions. The complex is disposed about a twofold axis passing through Mn2 and C23 which lie on the special positions ...
13
Synthesis and Antibacterial Efficacy of 1 (2', 4' Dihydroxyphenyl) 3 Aryl Propane 1, 3 Diones
... 1-(2', 4'-Dihydroxyphenyl)-3-phenyl-propane-1, 3-dione 3a: The product 2a (0.005 mol) was dissolved in 4mL of DMSO. To that solution powdered NaOH (1g) was added with vigorous stirring for about five ...
8
[N,N′ Bis(2 oxido 1 naphthylmethylidene)propane 1,3 diamine]manganese(II)
... Compound (I) was obtained by stirring propane-1,3-diamine (1.0 mmol, 79.2 mg), 2-hydroxy-1-naphthaldehyde (2.0 mmol, 343.5 mg) and manganese(II) acetate tetrahydrate (1.0 mmol, 245.1 mg) in EtOH solution ...
6
Propane 1,3 diaminium hydrogenarsenate monohydrate
... network of propane-1,3-diaminium cations, hydrogenarsenate anions [mean As—O = 1.687 (2) A ˚ ] and water molecules. The crystal packing involves anion-to-anion and water-to-anion O—H O hydrogen bonds, resulting in ...
7
Propane 1,3 diaminium bis(dihydrogenarsenate)
... of propane-1,3-diaminium cations and dihydrogenarsenate anions [mean As—O = 1.682 (2) A ˚ ]. The crystal packing involves anion-to-anion O—H O hydrogen bonds, resulting in double chains of dihydrogenarsenate ...
6
1 (2,6 Dimethylphenylamino)propane 1,2 dione dioxime
... and electron-withdrawing or -donating properties of the substituents bonded to the C atoms of the glyoxime moiety. Comparing the bond lengths and angles of the aminomethyl- glyoxime moiety in the title compound, (I), ...
7
[1,1′ Diphenyl 3,3′ (propane 1,3 diyldinitrilo)dibut 1 enolato]copper(II)
... lo)dibut-1-enolate, is a mononuclear copper(II) complex, located on a twofold axis. The four-coordinate Cu II atom is in a tetrahedrally distorted square plane defined by the N and O atoms of the Schiff base ...
6
[N,N′ Bis(1 benzoylisopropylidene)propane 1,3 diamine(2−)]copper(II)
... In the structure of the title compound, (I) (Fig.1), the Cu atom has a distorted tetrahedral coordination geometry involving the two O- and two N-atom donors of the tetra- dentate ligand (Table 1). The Cu ...
8
(1S*,2S*) (+) 2 Amino 1 [4 (methylsulfanyl)phenyl]propane 1,3 diol
... As part of a study of pharmaceutical counterions, the crystal structure of (1S*,2S*)-(+)-thiomicamine, (I), at 299 K was solved and refined. The asymmetric unit consists of one mol- ecule (Fig. 1). Two-dimensional ...
6
Intramolecular hydrogen bonding in dibenzyl 2,2′ (propane 1,3 diyldiimino)bis(cyclopent 1 ene 1 carbodithioate)
... The bond lengths in the S(6) rings have values (Table 1) typical of a conjugated system [average C—C = 1.39 A ˚ and C—N = 1.320 A ˚ ] (Cambridge Structural Database; Version 5.25; Allen, 2002). These structural ...
13
[N,N′ Bis(2 oxido 1 naphthylmethylene)propane 1,3 diamine]copper(II)
... Complex (I) is a mononuclear copper(II) complex (Fig. 1). The asymmetric unit contains one half of the complex, with the other half being generated by crystallographic mirror symmetry; atoms Cu1 and C13 lie on the ...
6
2,2′ (Propane 1,3 diyldioxy)dibenzaldehyde
... In the title molecule, (I), four intramolecular C—H O hydrogen bonds are observed (Table 1). The planes of the aromatic rings form a dihedral angle of 99.88 (5) , with the aldehyde groups oriented in opposite ...
8
Propane 1,2 diaminium selenite monohydrate
... with the racemic starting material. The selenite group in (I) shows its standard (Lee & Harrison, 2003) pyramidal geometry (Table 1) [average Se—O = 1.687 (2) A ˚ ], with the Se atom displaced from the plane ...
7
Bis[1 (2,6 dimethylanilino)propane 1,2 dione dioximato]nickel(II)
... dropwise to a solution of L (0.882 g. 4 mmol) in ethanol (20 ml). A 1% solution of KOH in water was then dripped slowly into the mixture until the pH reached 5.5. The resulting precipitate was removed by suction ...
9
1 (4 Chlorophenyl)propane 1,2 dione 2 oxime
... the OÐH distance is 0.82 2 A Data collection: SMART Bruker, 1998; cell re®nement: SMART; data reduction: SAINT Bruker, 1998; programs used to solve structure: SHELXS97 Sheldrick, 1997; p[r] ...
6
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 ...
6