Anthraimidazoledione Derivatives in Fluoride Sensing Ensuing Si‐O Bond Cleavage in Organic and Aqueous Medium

2020 ◽  
Vol 5 (19) ◽  
pp. 5595-5603 ◽  
Author(s):  
Subhendu Mondal ◽  
Saswati Ghosh Roy ◽  
Kumaresh Ghosh
Keyword(s):  
Aqueous Medium ◽  
Bond Cleavage ◽  
Fluoride Sensing

Synthesis of 2,3-dihydroquinazolinones and quinazolin-4(3H)-ones catalyzed by graphene oxide nanosheets in an aqueous medium: “on-water” synthesis accompanied by carbocatalysis and selective C–C bond cleavage

RSC Advances ◽  
2016 ◽  
Vol 6 (27) ◽  
pp. 22320-22330 ◽  
Author(s):  
Nazia Kausar ◽  
Indranil Roy ◽  
Dipankar Chattopadhyay ◽  
Asish R. Das
Keyword(s):  
Graphene Oxide ◽  
Aqueous Medium ◽  
Room Temperature ◽  
Bond Cleavage ◽  
Graphene Oxide Nanosheets ◽  
Graphene Oxide Nanosheet

Graphene oxide nanosheet catalyzed strategies for construction of 2,3-dihydroquinazolinones and quinazolin-4(3H)-ones starting from anthranilamide and an aldehyde/ketone in aqueous medium at room temperature have been realized.

A ‘Turn-on’ Fluorescence Glycosyl Dithiocarbamate Probe for Selective Fluoride Sensing in Aqueous Medium

Synlett ◽  
2018 ◽  
Vol 29 (15) ◽  
pp. 2001-2005
Author(s):  
Rituparna Das ◽  
Balaram Mukhopadhyay ◽  
Bedangshu Mishra
Keyword(s):  
Aqueous Solution ◽  
Aqueous Medium ◽  
Fluorescent Sensor ◽  
Significant Enhancement ◽  
Turn On ◽  
Simple Preparation ◽  
Simple Chemical ◽  
Fluoride Sensing ◽  
Chemical Strategy

A glycosyl dithiocarbamate derivative is developed as a ‘turn on’ fluorescent sensor for fluorides in aqueous medium. The probe is prepared through a simple chemical strategy reported earlier from our group. The virtually nonfluorescent probe showed significant enhancement of fluorescence upon interaction with fluorides in aqueous solution. It was seen to be selective to fluorides too as the interactions with various other anions resulted in very low increase in fluorescence. The simple preparation and unique interaction of the dithiocarbamato derivative with fluorides in aqueous solution promise the development of a novel turn-on probe for the detection of fluorides.

scholarly journals Designing conjugated microporous polymers for visible light-promoted photocatalytic carbon–carbon double bond cleavage in aqueous medium

2018 ◽  
Vol 6 (44) ◽  
pp. 22145-22151 ◽  
Author(s):  
Cyrine Ayed ◽  
Lucas Caire da Silva ◽  
Di Wang ◽  
Kai A. I. Zhang
Keyword(s):  
Double Bond ◽  
Visible Light ◽  
Aqueous Medium ◽  
Structural Design ◽  
Bond Cleavage ◽  
Microporous Polymers ◽  
Carbon Double Bond ◽  
Conjugated Microporous Polymers

A structural design of conjugated microporous polymers for the photocatalytic carbon–carbon double bond cleavage is presented.

Successive C1–C2 bond cleavage: the mechanism of vanadium(v)-catalyzed aerobic oxidation of d-glucose to formic acid in aqueous solution

2018 ◽  
Vol 20 (26) ◽  
pp. 17942-17951 ◽  
Author(s):  
Muge Niu ◽  
Yucui Hou ◽  
Weize Wu ◽  
Shuhang Ren ◽  
Ru Yang
Keyword(s):  
Aqueous Solution ◽  
Formic Acid ◽  
Aqueous Medium ◽  
Acid Production ◽  
Bond Cleavage ◽  
Aerobic Oxidation ◽  
Isotope Labelling ◽  
Labelling Technique

Successive C1–C2 bond cleavage was found via an isotope-labelling technique in the process of formic acid production from oxidation of bio-derived glucose catalyzed by homogeneous vanadium(v) species in aqueous medium.

Rheological behaviour of the condensed suspension of fluorinated montmorillonite “rassoul” particles in aqueous medium

2005 ◽  
Vol 123 ◽  
pp. 341-344
Author(s):  
A. Khaldoun ◽  
F. González-Caballero ◽  
J. G. López-Durán ◽  
N. Mahrach ◽  
M. L. Kerkeb
Keyword(s):  
Aqueous Medium ◽  
Rheological Behaviour

Changes of Magnetic Characteristics of iron Oxides and Hydroxides in Aqueous Medium

2017 ◽  
Vol 39 (1) ◽  
pp. 46-52
Author(s):  
T. SAVCHENKO ◽  
◽  
A. GRECHANOVSKY ◽  
A. BRIK ◽  
N. DUDCHENKO
Keyword(s):  
Aqueous Medium ◽  
Iron Oxides ◽  
Magnetic Characteristics

Metal-Metal Cooperative Bond Activation by Heterobimetallic Alkyl, Aryl, and Acetylide PtII/CuI Complexes

2020 ◽  
Author(s):  
Shubham Deolka ◽  
Orestes Rivada Wheelaghan ◽  
Sandra Aristizábal ◽  
Robert Fayzullin ◽  
Shrinwantu Pal ◽  
...  
Keyword(s):  
Alkyl Group ◽  
Bond Activation ◽  
Bond Cleavage ◽  
Terminal Alkyne ◽  
Alkyl Aryl ◽  
Metal Metal ◽  
The Stability ◽  
Selective Formation ◽  
Organoplatinum Compounds

We report selective formation of heterobimetallic PtII/CuI complexes that demonstrate how facile bond activation processes can be achieved by altering reactivity of common organoplatinum compounds through their interaction with another metal center. The interaction of the Cu center with Pt center and with a Pt-bound alkyl group increases the stability of PtMe2 towards undesired rollover cyclometalation. The presence of the CuI center also enables facile transmetalation from electron-deficient tetraarylborate [B(ArF)4]- anion and mild C-H bond cleavage of a terminal alkyne, which was not observed in the absence of an electrophilic Cu center. The DFT study indicates that the role of Cu center acts as a binding site for alkyne substrate, while activating its terminal C-H bond.

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