Asymmetric reduction of acetophenone using lithium aluminium hydride modified with some novel amino alcohol Schiff bases

Tümerdem, Recep; Topal, Giray; Turgut, Yılmaz

doi:10.1016/j.tetasy.2004.12.020

Cited by 7 publications

(1 citation statement)

References 14 publications

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“…Chiral Schiff bases which studied in this paper, were synthesized according our early study [22]. Sodium dye, 4-(2-pyridylazo)-resorcinol monosodium salt monohydrate (NaPar) was commercial product from Aldrich dried over P 2 O 5 for 48 hours at 0.1 torr.…”

Section: Methodsmentioning

confidence: 99%

A Study of Complexation-ability of Neutral Schiff Bases to Some Metal Cations

Topal

Tümerdem

Başaran

et al. 2007

IJMS

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Abstract:The constants of the extraction equilibrium and the distribution for dichloromethane as an organic solvent having low dielectric constant of metal cations with chiral Schiff bases, benzaldehydene-(S)-2-amino-3-phenylpropanol (I), ohydroxybenzaldehydene-(S)-2-amino-3-phenyl-propanol (II), benzaldehydene-(S)-2-amino-3-methylbutanol (III) with anionic dyes [4-(2-pyridylazo)-resorcinol mono sodium monohydrate (NaPar), sodium picrat (NaPic) and potassium picrat (KPic)] and some heavy metal chlorides were determined at 25 o C. All the ligands have given strongest complexation for NaPar. In contrast, similar behaviour for both alkali metal picrates is not apparent in the complexation of corresponding ligands.

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Section: Methodsmentioning

confidence: 99%

A Study of Complexation-ability of Neutral Schiff Bases to Some Metal Cations

Topal

Tümerdem

Başaran

et al. 2007

IJMS

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Enantiopure Mono‐ and Mixed‐Valence Multinuclear Cobalt Complexes from Amino Alcohol Based Ligands

2007

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Microwave assisted solvent-free synthesis and biological activities of novel imines (Schiff bases)

Kundu

Shakil

Saxena

et al. 2009

Journal of Environmental Science and Health, Part B

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Twelve new ortho-Hydroxyketimines were synthesized by conventional as well as microwave method and evaluated for their antinemic activity against Meloidogyne incognita [(Kofoid and White) Chitwood]. Conventional methods for synthesis of Schiff bases require refluxing at 140 degrees C of the reactants in different solvents for at least 24 h or more, where as the microwave-assisted synthesis has brought down the reaction time from 24 h to 1 minute. The procedure reported is simple as it does not require any organic solvents and the time has been reduced to only 1 minute. Comparative yields of all compounds by different methods revealed that the yield was low in conventional method (79-87%) as compared to microwave assisted synthesis (94-97%). The bioassay revealed that all the test compounds exhibited promising nematicidal activity; N-propyl-2-hydroxypropiophenonimine being the most effective with LC(50) value of 74.46 mgL(-1) followed by N-hexyl-2-hydroxyacetophenonimine with LC(50) value of 99.60 mgL(-1) after 72 h of exposure. The results obtained from bioassay indicated that this class of compounds has not only given a lead with regard to potential of Schiff bases in pest control, but has suggested that a carbon chain length of 6 atoms in the side chain is optimum on the basis of structure activity relationship (SAR).

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Asymmetric reduction of acetophenone using lithium aluminium hydride modified with some novel amino alcohol Schiff bases

Cited by 7 publications

References 14 publications

A Study of Complexation-ability of Neutral Schiff Bases to Some Metal Cations

A Study of Complexation-ability of Neutral Schiff Bases to Some Metal Cations

Enantiopure Mono‐ and Mixed‐Valence Multinuclear Cobalt Complexes from Amino Alcohol Based Ligands

Microwave assisted solvent-free synthesis and biological activities of novel imines (Schiff bases)

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