HYDROXY GROUP
Enantioselective synthesis of 6,6 disubstituted pentafulvenes containing a chiral pendant hydroxy group
... To conclude, we have presented an efficient synthesis of chiral 6,6-disubstituted pentafulvenes bearing a functionalizable chiral pendant hydroxy group in moderate to good yields and enantiomeric ratios. ...
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PHYTOCHEMICAL EXAMINATION OF CORCHORUS OLITORIUS (TILIACEAE) CAPSULES
... 7- hydroxy group, with aluminum chloride, it formed a complex and showed a shift of 55nm band-I further confirmed the presence of free 3-hydroxyl ...
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1 Acetyl 3 (benzofuran 3 yl) 1,2 dihydro 3 hydroxy 2 oxo 3H indole
... acetyl group is involved in a weak intramolecular CÐ H O hydrogen bond with the indole, and a stronger intermolecular OÐH O hydrogen bond with the hydroxy group, which stabilize the molecular and ...
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The Baylis–Hillman adduct of 4 nitrobenzaldehyde and cyclohex 2 en 1 one: 2 [hydroxy(4 nitrophenyl)methyl] cyclohex 2 en 1 one
... sofa conformation, with the atom in position 5 of the cyclohex- 2-en-1-one moiety displaced by 0.5699 (4) AÊ from the mean plane of the remaining atoms of the ring. A strong OÐH O hydrogen bond links the molecules into ...
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Sodium dirubidium citrate, NaRb2C6H5O7, and sodium dirubidium citrate dihydrate, NaRb2C6H5O7(H2O)2
... In both structures, all of the citrate bond lengths, bond angles, and torsion angles fall within the normal ranges indi- cated by a Mercury Mogul Geometry Check (Macrae et al., 2008). The citrate anion in both structures ...
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2 (4 Chlorophenyl) 4 (2 hydroxyethyl) 5 methyl 2,4 dihydro 3H 1,2,4 triazol 3 one
... between atoms H11 of the phenyl ring and O3 (2.54 AÊ). The hydroxy group forms an intermolecular hydrogen bond with the carbonyl O atom of an adjacent molecule. This interaction links the molecules into ...
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CHEMICAL SYNTHESIS OF BILE ACIDS AND THEIR PHYSICO CHEMICAL PROPERTIES
... hydroxyl group of deoxycholic acid is the crucial step in the synthesis of lithocholic ...3-hydroxyl group to followed by oxidation of the 12-hydroxyl ...12-hydroxy group of deoxycholic ...
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Cheilanthifoline
... methoxy group attached at atom C3 is twisted away from the benzene ring with a torsion angle C20 —O4—C3—C4 of ...the hydroxy group and the methoxy O atom of an adjacent molecule leads to the ...
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Crystal structure of 6 deoxy α L psicofuranose
... two hydroxy groups located in a shorter distance from each other because of both axial conformations connecting to the C-3 and C-5 ...the hydroxy group at a C-5 position has been used for creating ...
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1 tert Butyl 2 methyl 4 (R) hydroxypyrrolidine 1,2 (2S) dicarboxylate
... hydroxy group. This donates to the carbonyl atom O1 of the N-bound ester group in an adjacent molecule (Table 2), forming chains along the c axis, each molecule being related to its neighbours in the ...
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CHEMICAL STUDIES OF NEW ISOLATED FLAVONE
... a hydroxy group at position-5 which was evidenced by UV spectrum exhibiting a bathochromic shift of 45 nm in Band I, in the presence of aluminium chloride-hydrochloric ...7-hydroxy group was ...
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Vol 3, No 3 (2014)
... H…O=C hydrogen bond between the hydroxy group and the carbonyl one on the naphthalene ring. The angles between the C=O bond vector and the least squares planes of the naphthalene ring and the phenyl ring ...
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4 [(E) (4 Hydroxybenzylidene)amino] 3 methyl 1H 1,2,4 triazole 5(4H) thione
... the hydroxy group and triazole ring in concert with weak N—H···S intermolecular interactions between the triazole ring and thione group form infinite polymeric 1-dimensional chains along [-2 1 0] ...
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Disordered 4 hydroxyisophthalic acid
... 4-hydroxy group (and atom H4) in the crystallographic model appear at both the 4 and 4a positions, (2), with occu- pancy parameters of ...the hydroxy group share the same sites in the crystal ...
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Catalytic zinc complexes for phosphate diester hydrolysis
... methoxy group into a hydroxy group, and the coordinated nitrate to a water molecule, then minimized the structure using the Hartree–Fock (HF) level of theory to optimize the geometry, and DFT ...
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Bis(pyridin 2 ylmethanolato κ2N,O)bis(trifluoroacetato)nickel(II)
... atom. The pyridin-2-ylmethanol ligand coordinates via its pyridyl N atom and its methanol O atom, resulting in a ®ve- membered chelate ring. The ring is puckered in an envelope conformation, with the methanol O atom as ...
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(2,4 Dimethoxybenzylidene) 2 hydroxybenzohydrazide ethanol solvate
... a hydroxy–amide hydrogen bond. The hydroxy group of the ethanol molecule is a hydrogen-bond donor to the double- bonded N atom of an adjacent Sciff base, pairs of interactions taking place across a ...
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Crystal structures of fac tricarbonylchlorido(6,6′ dihydroxy 2,2′ bipyridine)rhenium(I) tetrahydrofuran monosolvate and fac bromidotricarbonyl(6,6′ dihydroxy 2,2′ bipyridine)manganese(I) tetrahydrofuran monosolvate
... ligand in a distorted octahedral geometry. Both complexes co-crystallize with a non-coordinating tetrahydrofuran (THF) solvent molecule and exhibit inter- molecular but not intramolecular hydrogen bonding. In both ...
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Crystal structure of trans N,N′ bis(3,5 di tert butyl 2 hydroxyphenyl)oxamide methanol monosolvate
... The hydroxy group in the oxamide is disordered over two chemically equivalent positions, with occupancies ...tert-butyl group is disordered by rotation about the C—C bond, and was modelled with three ...
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Dipotassium salt of a double armed terephthalic acid derivative: dipotassium 2,5 bis(2 {2 [2 (2 {2 [2 (2 hydroxyethoxy)phenoxy]ethoxy}phenoxy)ethoxy]phenoxy}methyl)terephthalate methanol tetrasolvate
... carboxylate group that does not participate in the ...carboxylate group that coordinates with K + and also with the terminal hydroxy group of an adjacent salt ...
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