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Usage

Uses

Used in Organic Synthesis:
1-(2,4-dinitrophenyl)-2-(9H-fluoren-9-ylidene)hydrazine is used as a reagent in organic synthesis for its unique chemical structure and reactivity. It facilitates various chemical reactions, contributing to the production of dyes, pharmaceuticals, and other organic compounds.
Used in Pharmaceutical Industry:
1-(2,4-dinitrophenyl)-2-(9H-fluoren-9-ylidene)hydrazine is used as an intermediate in the pharmaceutical industry for the synthesis of specific drugs. Its distinctive properties and reactivity make it a valuable component in the development of new medications.
Used in Dye Industry:
In the dye industry, 1-(2,4-dinitrophenyl)-2-(9H-fluoren-9-ylidene)hydrazine is used as a key component in the production of various dyes. Its unique chemical structure allows for the creation of a wide range of colors and properties in dye formulations.
Used in Chemical Research:
1-(2,4-dinitrophenyl)-2-(9H-fluoren-9-ylidene)hydrazine is also utilized in chemical research as a model compound to study the effects of different functional groups on the reactivity and stability of hydrazine derivatives. This helps researchers understand the underlying principles of chemical reactions and develop new synthetic methods or applications for this class of compounds.

Upstream product

• 486-25-9 9-fluorenone 
• 119-26-6 (2,4-dinitro-phenyl)-hydrazine 
• 751-35-9 9-fluorenone triphenylphosphazine 
• 70-34-8 2,4-Dinitrofluorobenzene 
• 467-69-6 9-hydroxy-9-fluorene carboxylic acid 
• 76195-86-3 2,4-dinitrophenylhydrazine hydrochloride 
• 832-80-4 9-diazofluorenone 
• 1689-64-1 9-Fluorenol 
• 104202-31-5 2,4-difluoren-9-ylidenecyclobutane-1,3-dione 
• 37568-25-5 9-(2'-Cyclopropylpent-2'-enyliden)fluoren 

Downstream Products

• 486-25-9 9-fluorenone 

Relevant academic research and scientific papers

Resonance Raman observation of surface carbonyl groups on carbon electrodes following dinitrophenylhydrazine derivatization

Dinitrophenylhydrazine (DNPH) was used to form hydrazone derivatives of carbonyl groups on glassy carbon (GC) and pyrolytic graphite surfaces. The DNPH adducts of benzoquinone and acetone have cross sections of 488 nm, much larger than those of either DNP

Oxidative behaviours and relative reactivities of some α-hydroxy acids towards bromate ion in hydrochloric acid medium

The oxidation kinetics of some α-hydroxy acids by potassium bromate in dilute hydrochloric acid medium have been studied. The reactions are first order with respect to bromate ion. α-hydroxy acid and hydrogen ion concentrations. The reaction rate is governed by two factors : (i) the ease with which the protonated hydroxy acid is produced and (ii) the stability of the intermediate (1:1) bromate ester. The activation parameters of the reactions have been compared. The plausible mechanism of the oxidation process has been suggested. The reactivity of the α-hydroxy acids towards bromate ion are as follows: 9-hydroxy-9-carboxy fluorene> atrolactic acid> mandelic acid> benzilic acid> α-hydroxyisobutyric acid> lactic acid> glycolic acid.

Ketene. Part 24. The Reactions of N-(Fluoren-9-ylidene)methylamine N-Oxide with Dimethylketene and Ketene

The principal products of the reaction of the N-methylnitrone (1a) with dimethylketene have been identified as the dioxolane derivative (6) and its hydrolysis products (7).Fluoren-9-yl isocyanide appears to be an intermediate in this reaction.Ketene reacts with nitrone (1a) and its N-ethyl and N-isopropyl analogues to give the cyclobutanedione (15) as the only isolated product.Compound (15) has been synthesized from fluoren-9-ylidenemalonic acid.

Oxidation of Fluoren-9-ols by 1-Chlorobenzotriazole - A Kinetic and Mechanistic Study

The kinetics of oxidation of fluoren-9-ol ans five substituted fluoren-9-ols and of fluoren-9-ol-α-d by 1-chlorobenzotriazole have been studied.The reactions follow a simple rate law.The reaction exhibits a kinetic isotope effect of 1.51 and has a Hammett