A5059637197- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Crystallography and molecular interactions
- Catalytic Cross-Coupling Reactions
- Asymmetric Hydrogenation and Catalysis
- Catalytic C–H Functionalization Methods
- Chemical Synthesis and Analysis
- Luminescence and Fluorescent Materials
- Organoboron and organosilicon chemistry
- Organic Light-Emitting Diodes Research
- Coordination Chemistry and Organometallics
- Chemical Synthesis and Reactions
- Innovative Microfluidic and Catalytic Techniques Innovation
- Asymmetric Synthesis and Catalysis
- Sulfur-Based Synthesis Techniques
- Synthesis and Properties of Aromatic Compounds
- Oxidative Organic Chemistry Reactions
- Synthetic Organic Chemistry Methods
- Carbon dioxide utilization in catalysis
- Flame retardant materials and properties
- Organometallic Complex Synthesis and Catalysis
- Synthesis and characterization of novel inorganic/organometallic compounds
- Chemical Reactions and Isotopes
National Institute of Science Education and Research
2013-2024
Homi Bhabha National Institute
2024
Syngene International (India)
2022
Biocon (India)
2022
Indian Institute of Technology Madras
2018
Czech Academy of Sciences, Institute of Physics
2015
Institute of Physics, Bhubaneshwar
2013
Methylation of amines and ketones with palladacycle precatalyst has been performed using methanol as an environmentally benign reagent. Various undergo methylation reaction to yield monomethylated or in moderate good isolated yields. Moreover, this protocol was tested for the chemoselective 4-aminobenzenesulfonamide. The scope further extended deuteromethylation ketones.
Regioisomers of 3,5-diphenyl-1-(4-(trifluoromethyl)phenyl)-1H-pyrazole-based palladacycles (1 and 2) were synthesized by the aromatic C–H bond activation N/3-aryl ring. The application these regioisomers as catalysts to enable formation α-alkylated ketones or quinolines with alcohols using a hydrogen borrowing process is evaluated. Experimental results reveal that palladacycle 2 superior over 1 catalyze reaction under similar conditions. mechanisms for catalyzed α-alkylation acetophenone...
AgSbF6-Catalyzed anti-Markovnikov addition of pinacolborane (HBpin) to terminal alkynes produce the E-vinylboronates is reported. This efficient methodology scalable, compatible with sterically and electronically diverse alkynes, works at room temperature under solvent-free condition. The utility this method demonstrated in facile synthesis clinically important (E)-2,4,3',5'-tetramethoxystilbene.
Abstract New salicylaldimine‐based diboron complexes 1 – 3 have been synthesized and characterized by multinuclear NMR spectroscopy, mass spectrometry, single‐crystal X‐ray analysis ( ). The photophysical electrochemical properties of these compounds investigated experimentally with theoretical calculations; their suggest that could potential applications for the manufacture optoelectronic devices.
We report the synthesis, characterization and aggregation induced enhanced emission (AIEE) properties of a series tetraaryl pyrazole decorated cyclotriphosphazenes. The hexa-substituted cyclotriphosphazene was tested for its usefulness as probe explosive picric acid.
A phosphine free 1,3,5-triphenylpyrazole acetate-bridged palladacycle was prepared from simple commercially available starting materials.
A three-step synthesis of (S)-TRIP enabled by efficient Suzuki cross-coupling conditions using commercial starting materials was developed and demonstrated on a kilogram scale. These novel reaction feature Pd2(dba)3/CataCXium in the presence TBAB KOH provide conversions up to 90% while minimizing formation common byproducts. Following an improved demethylation protocol powerful methanol purification during step 2, high-quality catalyst 99% purity isolated 52% yield over three steps.
The development of efficient and environmentally benign palladacycle‐phosphine catalyzed process to enable the formation chemoselective C‐alkylated or N‐alkylated aminoacetophenones with alcohols is described. This methodology proved be tunable by variation base temperature, which allows for isolation structurally diverse aminoacetophenones. Moreover, this has been applied synthesis biologically industrially important donepezil.
We present a base- and additive-free synthesis of β-aminoketones from allyl alcohols at room temperature. Furthermore, the BINOL phosphoric acid-coordinated palladacycle, which is believed to be active species in reaction, was identified.