Results 11 to 20 of about 59,471 (323)

Variation in the Biomolecular Interactions of Nickel(Ii) Hydrazone Complexes Upon Tuning the Hydrazide Fragment [PDF]

open access: yes, 2012
Three new bivalent nickel hydrazone complexes have been synthesised from the reactions of [NiCl2(PPh3)(2)] with H2L {L = dianion of the hydrazones derived from the condensation of o-hydroxynaphthaldehyde with furoic acid hydrazide (H2L1) (1)/thiophene-2 ...
Bhuvanesh, Nattamai S. P.   +5 more
core   +1 more source

Hydrazones as Singular Reagents in Asymmetric Organocatalysis [PDF]

open access: yes, 2016
This Minireview summarizes strategies and developments regarding the use of hydrazones as reagents in asymmetric organocatalysis, their distinct roles in nucleophile–electrophile, cycloaddition, and cyclization reactions.
Fernández Fernández, Rosario Fátima   +4 more
core   +1 more source

Crystal structure of 4-[(4-methylbenzyl)oxy]-N′-(4-nitrobenzylidene)benzohydrazide: a new hydrazone derivative

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2023
The molecular structure of the title compound, C22H19N3O4, shows a non-coplanar conformation, with dihedral angles between the phenyl rings of 73.3 (1) and 80.9 (1)°.
Md. Hasan Al Banna   +4 more
doaj   +1 more source

Microwave assisted synthesis and antimicrobial activity of 2-quinoxalinone-3-hydrazone derivatives [PDF]

open access: yes, 2010
A simple and efficient method has been developed for the synthesis of various 2-quinoxalinone-3-hydrazone derivatives using microwave irradiation technique. The series of 2-quinoxalinone-3-hydrazone derivatives synthesized, were structurally confirmed by
Ajani, Olayinka O.
core   +1 more source

STUDY OF ANTIVIRAL ACTIVITY OF SOME HYDRAZONE PINOSTROBIN DERIVATIVES

open access: yesФармация и фармакология (Пятигорск), 2015
New derivatives on the basis of hydrazone pinostrobin molecule were synthesized. Significant antiviral activity of received samples of new hydrazone pinstrobin derivatives was identified.
G. K. Mukusheva   +6 more
doaj   +1 more source

Asymmetric synthesis of 2-substituted oxetan-3-ones via metalated SAMP/RAMP hydrazones [PDF]

open access: yes, 2013
2-Substituted oxetan-3-ones can be prepared in good yields and enantioselectivities (up to 84% ee) by the metalation of the SAMP/RAMP hydrazones of oxetan-3-one, followed by reaction with a range of electrophiles that include alkyl, allyl, and benzyl ...
Beasley, Benjamin   +3 more
core   +1 more source

Salicylaldehyde hydrazones: buttressing of outer sphere hydrogen-bonding and copper-extraction properties [PDF]

open access: yes, 2017
Salicylaldehyde hydrazones are weaker copper extractants than their oxime derivatives, which are used in hydrometallurgical processes to recover ~20 % of the world’s copper.
Bauer, Heiko   +7 more
core   +1 more source

(E)-3-Methyl-N′-(4-nitrobenzylidene)benzohydrazide methanol monosolvate

open access: yesActa Crystallographica Section E, 2012
The title hydrazone compound, C15H13N3O3·CH3OH, crystallized as a methanol solvate. The hydrazone molecule has an E configuration about the C=N bond and is almost planar, with a dihedral angle between the benzene rings of 5.3 (3)& ...
Chun-Bao Tang
doaj   +1 more source

Synthesis of New Methoxy Actived Mono and Bis-indole Compounds

open access: yesHittite Journal of Science and Engineering, 2022
An indole hydrazone has successfully been synthesized employing Schiff base reaction conditions starting from 4,6-dimethoxy-2,3-diphenylindole-7-carbaldehyde with hydrazine hydrate.
Hakan Kandemir
doaj   +1 more source

7-Azabicyclo[2.2.1]heptane N-Imide as an Intermediate in the Thermal Decomposition of N-Amino-7-Azabicyclo[2.2.1]heptane and the Corresponding Benzenesulphonamide [PDF]

open access: yes, 1976
An intermediate in the thermal decomposition of N-amino-7-azabicyclo[2.2.1]heptane and the corresponding benzenesulphonamide derivative, whose structure is consistent with the formulation 7-azabicyclo[2.2.1]heptane N-imide, affords on thermal ...
Dervan, Peter B., Uyehara, Tadao
core   +1 more source

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