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    Vaidhyanathan Ramamurthy
2019

Achiral zeolites as reaction media for chiral photochemistry

Ramamurthy, V., Oct 2 2019, In : Molecules. 24, 19, 3570.

Research output: Contribution to journalReview article

Open Access
Photochemistry
Zeolites
Photochemical reactions
zeolites
photochemical reactions

Modulation of Reduction Potentials of Bis(pyridinium)alkane Dications through Encapsulation within Cucurbit[7]uril

Tcyrulnikov, N. A., Varadharajan, R., Tikhomirova, A. A., Pattabiraman, M., Ramamurthy, V. & Wilson, R. M., Jul 5 2019, In : The Journal of organic chemistry. 84, 13, p. 8759-8765 7 p.

Research output: Contribution to journalArticle

Alkanes
Encapsulation
Modulation
Salts
Electrons

Reversal of Regioselectivity during Photodimerization of 2-Anthracenecarboxylic Acid in a Water-Soluble Organic Cavitand

Wei, X., Raj, A. M., Ji, J., Wu, W., Veerakanellore, G. B., Yang, C. & Ramamurthy, V., Oct 4 2019, In : Organic letters. 21, 19, p. 7868-7872 5 p.

Research output: Contribution to journalArticle

Regioselectivity
Dimers
acids
Acids
Water

Room-Temperature Phosphorescence from Encapsulated Pyrene Induced by Xenon

Mohan Raj, A., Sharma, G., Prabhakar, R. & Ramamurthy, V., Jan 1 2019, (Accepted/In press) In : Journal of Physical Chemistry A.

Research output: Contribution to journalArticle

Phosphorescence
Xenon
pyrenes
phosphorescence
xenon

Space Constrained Stereoselective Geometric Isomerization of 1,2-Diphenylcyclopropane and Stilbenes in an Aqueous Medium

Raj, A. M., Sharma, G., Prabhakar, R. & Ramamurthy, V., Jul 5 2019, In : Organic letters. 21, 13, p. 5243-5247 5 p.

Research output: Contribution to journalArticle

Stilbenes
stilbene
Isomerization
isomerization
selectivity

Supramolecular photochemistry of encapsulated caged: Ortho -nitrobenzyl triggers

Kamatham, N., Raj, A. M., Givens, R. S., Da Silva, J. P. & Ramamurthy, V., Jan 1 2019, In : Photochemical and Photobiological Sciences. 18, 10, p. 2411-2420 10 p.

Research output: Contribution to journalArticle

Photochemical reactions
capsules
Chromophores
photochemical reactions
chromophores
9 Citations (Scopus)

Ultrafast Dynamics of Encapsulated Molecules Reveals New Insight on the Photoisomerization Mechanism for Azobenzenes

Otolski, C. J., Mohan Raj, A., Ramamurthy, V. & Elles, C. G., Jan 3 2019, In : Journal of Physical Chemistry Letters. 10, 1, p. 121-127 7 p.

Research output: Contribution to journalArticle

Photoisomerization
Azobenzene
Isomerization
Excited states
isomerization
1 Citation (Scopus)

Ultrafast Solvation Dynamics Reveal that Octa Acid Capsule's Interior Dryness Depends on the Guest

Das, A., Sharma, G., Kamatham, N., Prabhakar, R., Sen, P. & Ramamurthy, V., Jun 19 2019, In : Journal of Physical Chemistry A. 123, 28, p. 5928-5936 9 p.

Research output: Contribution to journalArticle

Solvation
capsules
Capsules
solvation
Coumarins

Ultrafast trans → cis Photoisomerization Dynamics of Alkyl-Substituted Stilbenes in a Supramolecular Capsule

Otolski, C. J., Mohan Raj, A., Sharma, G., Prabhakar, R., Ramamurthy, V. & Elles, C. G., Jun 20 2019, In : Journal of Physical Chemistry A. 123, 24, p. 5061-5071 11 p.

Research output: Contribution to journalArticle

Photoisomerization
Stilbenes
stilbene
capsules
Excited states

Visible-Light-Triggered Selective Intermolecular [2+2] Cycloaddition of Extended Enones: 2-Oxo-3-enoates and 2,4-Dien-1-ones with Olefins

Zhao, L. M., Lei, T., Liao, R. Z., Xiao, H., Chen, B., Ramamurthy, V., Tung, C. H. & Wu, L. Z., Jun 18 2019, In : Journal of Organic Chemistry. 84, 14, p. 9257-9269 13 p.

Research output: Contribution to journalArticle

Cycloaddition
Alkenes
Excited states
Energy transfer
Functional groups
2018
1 Citation (Scopus)

Chemo- and Regioselective Synthesis of Alkynyl Cyclobutanes by Visible Light Photocatalysis

Zhou, C., Lei, T., Wei, X. Z., Liu, Z., Chen, B., Ramamurthy, V., Tung, C. H. & Wu, L. Z., Nov 2 2018, In : Organic Letters. 20, 21, p. 6808-6811 4 p.

Research output: Contribution to journalArticle

Cyclobutanes
cyclobutane
Cycloaddition
Photocatalysis
Cycloaddition Reaction
1 Citation (Scopus)

Competitive Binding of Organic Dyes between Cucurbiturils and Octa Acid

Gupta, S., Zhao, Y., Varadharajan, R. & Ramamurthy, V., May 9 2018, In : ACS Omega. 3, 5, p. 5083-5091 9 p.

Research output: Contribution to journalArticle

Coloring Agents
Dyes
Acids
Molecules
Dimers

In search of stable visible light absorbing photocatalysts: gold nanoclusters §

Mondal, B., Anthony Raj, M. R. & Ramamurthy, V., Oct 1 2018, In : Journal of Chemical Sciences. 130, 10, 139.

Research output: Contribution to journalArticle

Nanoclusters
Photocatalysts
Gold
Electrons
Photochemical reactions
8 Citations (Scopus)

Luminescent supramolecular polymer nanoparticles for ratiometric hypoxia sensing, imaging and therapy

Huang, Y. Y., Tian, Y., Liu, X. Q., Niu, Z., Yang, Q. Z., Ramamurthy, V., Tung, C. H., Chen, Y. Z. & Wu, L. Z., Oct 1 2018, In : Materials Chemistry Frontiers. 2, 10, p. 1893-1899 7 p.

Research output: Contribution to journalArticle

Polymers
Nanoparticles
Imaging techniques
Nanoprobes
Phosphorescence

Supramolecular-Surface Photochemistry: Assembly and Photochemistry of Host-Guest Capsules on Silica Surface

Ramasamy, E. & Ramamurthy, V., Jul 20 2018, In : Organic Letters. 20, 14, p. 4187-4190 4 p.

Research output: Contribution to journalArticle

Photochemistry
Photochemical reactions
capsules
Silicon Dioxide
photochemical reactions
4 Citations (Scopus)

Ultrafast Electron Transfer across a Nanocapsular Wall: Coumarins as Donors, Viologen as Acceptor, and Octa Acid Capsule as the Mediator

Chuang, C. H., Porel, M., Choudhury, R., Burda, C. & Ramamurthy, V., Jan 11 2018, In : Journal of Physical Chemistry B. 122, 1, p. 328-337 10 p.

Research output: Contribution to journalArticle

Viologens
Coumarins
capsules
Capsules
electron transfer
2017
7 Citations (Scopus)

A sustainable synthesis of 2-aryl-3-carboxylate indolines from N-aryl enamines under visible light irradiation

Wu, C. J., Cao, W. X., Lei, T., Li, Z. H., Meng, Q. Y., Yang, X. L., Chen, B., Ramamurthy, V., Tung, C. H. & Wu, L. Z., 2017, In : Chemical Communications. 53, 59, p. 8320-8323 4 p.

Research output: Contribution to journalArticle

Irradiation
Cyclization
Temperature
indoline
2 Citations (Scopus)

Container Chemistry: Manipulating excited state behavior of organic guests within cavitands that form capsules in water

Jagadesan, P., Samanta, S. R., Choudhury, R. & Ramamurthy, V., 2017, (Accepted/In press) In : Journal of Physical Organic Chemistry.

Research output: Contribution to journalArticle

capsules
containers
Excited states
Capsules
Containers
5 Citations (Scopus)

Cucurbiturils as Reaction Containers for Photocycloaddition of Olefins

Pattabiraman, M., Sivaguru, J. & Ramamurthy, V., Jan 1 2017, (Accepted/In press) In : Israel Journal of Chemistry.

Research output: Contribution to journalArticle

Alkenes
Containers
Dimers
Calixarenes
Cyclobutanes
5 Citations (Scopus)

ESI-MS of Cucurbituril Complexes Under Negative Polarity

Rodrigues, M. A. A., Mendes, D. C., Ramamurthy, V. & Da Silva, J. P., Nov 1 2017, In : Journal of the American Society for Mass Spectrometry. 28, 11, p. 2508-2514 7 p.

Research output: Contribution to journalArticle

Electrospray ionization
Electrospray Ionization Mass Spectrometry
Mass spectrometry
Ions
Gases
29 Citations (Scopus)

General and Efficient Intermolecular [2+2] Photodimerization of Chalcones and Cinnamic Acid Derivatives in Solution through Visible-Light Catalysis

Lei, T., Zhou, C., Huang, M. Y., Zhao, L. M., Yang, B., Ye, C., Xiao, H., Meng, Q. Y., Ramamurthy, V., Tung, C. H. & Wu, L. Z., Nov 27 2017, In : Angewandte Chemie - International Edition. 56, 48, p. 15407-15410 4 p.

Research output: Contribution to journalArticle

Cyclobutanes
Chalcones
Dimerization
Alkenes
Catalysis
6 Citations (Scopus)

Melding Caged Compounds with Supramolecular Containers: Photogeneration and Miscreant Behavior of the Coumarylmethyl Carbocation

Kamatham, N., Da Silva, J. P., Givens, R. S. & Ramamurthy, V., Jul 7 2017, In : Organic Letters. 19, 13, p. 3588-3591 4 p.

Research output: Contribution to journalArticle

Supramolecular chemistry
Photochemistry
Photochemical reactions
Carboxylic Acids
containers
1 Citation (Scopus)

On the origin of chloride-induced emission enhancement in ortho substituted squaramides

Danao, A., Ramalingam, V., Ramamurthy, V. & Muthyala, R. S., Jul 1 2017, In : Journal of Photochemistry and Photobiology A: Chemistry. 344, p. 108-113 6 p.

Research output: Contribution to journalArticle

Charge transfer
Chlorides
chlorides
Excited states
augmentation
47 Citations (Scopus)

Photocatalysis with Quantum Dots and Visible Light: Selective and Efficient Oxidation of Alcohols to Carbonyl Compounds through a Radical Relay Process in Water

Zhao, L. M., Meng, Q. Y., Fan, X. B., Ye, C., Li, X. B., Chen, B., Ramamurthy, V., Tung, C. H. & Wu, L. Z., Mar 6 2017, In : Angewandte Chemie - International Edition. 56, 11, p. 3020-3024 5 p.

Research output: Contribution to journalArticle

Carbonyl compounds
Photocatalysis
Semiconductor quantum dots
Alcohols
3-Mercaptopropionic Acid
3 Citations (Scopus)

Photoinduced electron transfer across an organic molecular wall: Octa acid encapsulated ESIPT dyes as electron donors

Santos, F. S., Ramasamy, E., Ramamurthy, V. & Rodembusch, F. S., 2017, In : Photochemical and Photobiological Sciences. 16, 6, p. 840-844 5 p.

Research output: Contribution to journalArticle

electron transfer
Coloring Agents
dyes
acids
Acids
2 Citations (Scopus)

Probing the pH dependent assembly-disassembly of water-soluble organic capsules with coumarins and anthracene

Raj, A. M., Talluri, S. G., Dubus, M., Gupta, S., Mondal, B. & Ramamurthy, V., 2017, (Accepted/In press) In : Journal of Photochemistry and Photobiology A: Chemistry.

Research output: Contribution to journalArticle

Coumarins
Anthracene
capsules
anthracene
Capsules
5 Citations (Scopus)

Ultrafast Electron Transfer from Upper Excited State of Encapsulated Azulenes to Acceptors across an Organic Molecular Wall

Raj, A. M., Porel, M., Mukherjee, P., Ma, X., Choudhury, R., Galoppini, E., Sen, P. & Ramamurthy, V., Sep 21 2017, In : Journal of Physical Chemistry C. 121, 37, p. 20205-20216 12 p.

Research output: Contribution to journalArticle

Azulenes
azulene
Excited states
electron transfer
capsules
2 Citations (Scopus)

Understanding the complexation of aliphatic and aromatic acids guests with octa acid

Choudhury, R. & Ramamurthy, V., Jan 1 2017, (Accepted/In press) In : Journal of Physical Organic Chemistry.

Research output: Contribution to journalArticle

Carboxylic Acids
Complexation
Carboxylic acids
carboxylic acids
acids
6 Citations (Scopus)

Volume Conserving Geometric Isomerization of Encapsulated Azobenzenes in Ground and Excited States and as Radical Ion

Mohan Raj, A. & Ramamurthy, V., Nov 17 2017, In : Organic Letters. 19, 22, p. 6116-6119 4 p.

Research output: Contribution to journalArticle

Isomerization
Excited states
Ground state
isomerization
Ions
6 Citations (Scopus)

What is the Optoelectronic Effect of the Capsule on the Guest Molecule in Aqueous Host/Guest Complexes? A Combined Computational and Spectroscopic Perspective

Bhandari, S., Zheng, Z., Maiti, B., Chuang, C. H., Porel, M., You, Z. Q., Ramamurthy, V., Burda, C., Herbert, J. M. & Dunietz, B. D., Jul 20 2017, In : Journal of Physical Chemistry C. 121, 28, p. 15481-15488 8 p.

Research output: Contribution to journalArticle

capsules
Optoelectronic devices
Capsules
Molecules
Encapsulation
2016
1 Citation (Scopus)

A dendrimer facilitates resonance energy transfer between hydrophobic aromatic guest molecules in water

Singh, Y., Raj, A. M., Kiran, B. M., Nithyanandhan, J., Ramamurthy, V. & Jayaraman, N., Feb 15 2016, In : Journal of Photochemistry and Photobiology A: Chemistry. 317, p. 125-131 7 p.

Research output: Contribution to journalArticle

Dendrimers
Perylene
Pyrene
dendrimers
pyrenes
19 Citations (Scopus)

A Phosphorescent Platinum(II) Bipyridyl Supramolecular Polymer Based on Quadruple Hydrogen Bonds

Liu, F. W., Niu, L. Y., Chen, Y., Ramamurthy, V., Wu, L. Z., Tung, C. H., Chen, Y. Z. & Yang, Q. Z., Dec 12 2016, In : Chemistry - A European Journal. 22, 50, p. 18132-18139 8 p.

Research output: Contribution to journalArticle

2,2'-Dipyridyl
Platinum
Hydrogen bonds
Polymers
Nanoparticles
19 Citations (Scopus)

Confinement effect on the photophysics of ESIPT fluorophores

Santos, F. S., Ramasamy, E., Ramamurthy, V. & Rodembusch, F. S., Apr 14 2016, In : Journal of Materials Chemistry C. 4, 14, p. 2820-2827 8 p.

Research output: Contribution to journalArticle

Proton transfer
Fluorophores
Excited states
Water
Dyes
Hydrogels
Ketones
Excited states
ketones
reactivity
9 Citations (Scopus)

Photorelease of Incarcerated Caged Acids from Hydrophobic Coumaryl Esters into Aqueous Solution

Kamatham, N., Mendes, D. C., Da Silva, J. P., Givens, R. S. & Ramamurthy, V., Nov 4 2016, In : Organic Letters. 18, 21, p. 5480-5483 4 p.

Research output: Contribution to journalArticle

Photolysis
photolysis
esters
Esters
aqueous solutions
11 Citations (Scopus)

Reversible Disassembly-Assembly of Octa Acid-Guest Capsule in Water Triggered by a Photochromic Process

Mohan Raj, A., Raymo, F. & Ramamurthy, V., Apr 15 2016, In : Organic Letters. 18, 7, p. 1566-1569 4 p.

Research output: Contribution to journalArticle

capsules
Capsules
assembly
acids
Acids
3 Citations (Scopus)

Room temperature phosphorescence from a guest molecule confined in the restrictive space of an organic-inorganic supramolecular assembly

Ishida, Y., Shimada, T., Ramasamy, E., Ramamurthy, V. & Takagi, S., 2016, In : Photochemical and Photobiological Sciences. 15, 8, p. 959-963 5 p.

Research output: Contribution to journalArticle

Phosphorescence
capsules
phosphorescence
Capsules
Quenching
9 Citations (Scopus)

Sequential energy and electron transfer in a three-component system aligned on a clay nanosheet

Fujimura, T., Ramasamy, E., Ishida, Y., Shimada, T., Takagi, S. & Ramamurthy, V., 2016, In : Physical Chemistry Chemical Physics. 18, 7, p. 5404-5411 8 p.

Research output: Contribution to journalArticle

Nanosheets
clays
electron transfer
energy transfer
Electrons
6 Citations (Scopus)

Solid-state photochemistry of cis-cinnamic acids: A competition between [2 + 2] addition and cis-trans isomerization

Veerakanellore, G. B., Captain, B. & Ramamurthy, V., 2016, In : CrystEngComm. 18, 25, p. 4708-4712 5 p.

Research output: Contribution to journalArticle

Photochemical reactions
Isomerization
Excited states
Isomers
photochemical reactions
131 Citations (Scopus)

Supramolecular Photochemistry as a Potential Synthetic Tool: Photocycloaddition

Ramamurthy, V. & Sivaguru, J., Sep 14 2016, In : Chemical Reviews. 116, 17, p. 9914-9993 80 p.

Research output: Contribution to journalArticle

Photochemical reactions
Water
Molecules
Bearings (structural)
Zeolites
17 Citations (Scopus)

Supramolecular Surface Photochemistry: Cascade Energy Transfer between Encapsulated Dyes Aligned on a Clay Nanosheet Surface

Tsukamoto, T., Ramasamy, E., Shimada, T., Takagi, S. & Ramamurthy, V., Mar 29 2016, In : Langmuir. 32, 12, p. 2920-2927 8 p.

Research output: Contribution to journalArticle

Nanosheets
Photochemical reactions
photochemical reactions
Energy transfer
clays
Isomerization
Dimers
isomerization
Salts
dimers
4 Citations (Scopus)
indene
capsules
containers
Capsules
Containers
2015
6 Citations (Scopus)
ureas
Urea
Crystals
Alkenes
crystals
22 Citations (Scopus)

Excited state behavior of benzoxazole derivatives in a confined environment afforded by a water soluble octaacid capsule

Santos, F. S., Ramasamy, E., Ramamurthy, V. & Rodembusch, F. S., Jun 8 2015, (Accepted/In press) In : Journal of Photochemistry and Photobiology A: Chemistry.

Research output: Contribution to journalArticle

Benzoxazoles
Proton transfer
capsules
Excited states
Capsules
4 Citations (Scopus)

Identification of Guest-Host Inclusion Complexes in the Gas Phase by Electrospray Ionization-Mass Spectrometry

Mendes, D. C., Ramamurthy, V. & Da Silva, J. P., Jun 9 2015, In : Journal of Chemical Education. 92, 6, p. 1091-1094 4 p.

Research output: Contribution to journalArticle

Electrospray ionization
fragmentation
Mass spectrometry
Gases
inclusion
62 Citations (Scopus)

Photochemistry within a Water-Soluble Organic Capsule

Ramamurthy, V., Oct 21 2015, In : Accounts of Chemical Research. 48, 11, p. 2904-2917 14 p.

Research output: Contribution to journalArticle

Photochemical reactions
Capsules
Molecules
Water
Acids
14 Citations (Scopus)

Photorelease of incarcerated guests in aqueous solution with phenacyl esters as the trigger

Jagadesan, P., Da Silva, J. P., Givens, R. S. & Ramamurthy, V., Mar 6 2015, In : Organic Letters. 17, 5, p. 1276-1279 4 p.

Research output: Contribution to journalArticle

esters
Esters
actuators
aqueous solutions
acids
39 Citations (Scopus)

Supramolecular photochemistry: From molecular crystals to water-soluble capsules

Ramamurthy, V. & Gupta, S., Jan 1 2015, In : Chemical Society Reviews. 44, 1, p. 119-135 17 p.

Research output: Contribution to journalArticle

Molecular crystals
Photochemical reactions
Capsules
Molecules
Water
32 Citations (Scopus)

Supramolecular photochemistry concepts highlighted with select examples

Ramamurthy, V. & Mondal, B., Jun 1 2015, In : Journal of Photochemistry and Photobiology C: Photochemistry Reviews. 23, p. 68-102 35 p.

Research output: Contribution to journalArticle

Photochemical reactions
photochemical reactions
Micelles
micelles
Molecules