ravi100-130

Papers Published

 

2020

  • Dienaminodiones, new push-pull alkenes, from 3,4-dihydroxysalicylaldehyde-derived Schiff base – Tetrahedron Letters 2020.  DOI: 10.1016/j.tetlet.2020.152531.Jaice Ravindran, Nagaraja Ingaladal and Ravi Shankar Lankalapalli*
  • Spice-infused palmyra palm syrup improved cell-mediated immunity in Wistar Albino rats – Journal of Food Biochemistry 2020. DOI: 10.1111/jfbc.13466.
    Suja Somasekharan Nair Rajam,* Krishnakumar Neenthamadathil Mohandas, Habeeba Vellolipadikkal, Syamnath Viswanathan Leena, Veena Kollery Suresh, Raveena Natakkakath Kaliyathan, Rajasekharan Sreedharan Nair, Ravi Shankar Lankalapalli* and Reshma Mullan Velandy*
  • Putative biomimetic route to 8-oxabicyclo[3.2.1]octane motif from a humulene sesquiterpenoid zerumbone –Organic Letters 2020. DOI: 10.1021/acs.orglett.0c02220.
    Kollery S. Veena, Greeshma Gopalan, Murali Madhukrishnan, Sunil Varughese, Kokkuvayil Vasu Radhakrishnan* and Ravi Shankar Lankalapalli*
  • The assembly of glycosphingolipid determines their immunomodulatory effect: A novel method for structure-based design of immunotherapy – Cellular Immunology 2020. DOI: 10.1016/j.cellimm.2020.104157. Tomer Adar, Ravi Shankar Lankalapalli, Robert Bittman, Yaron Ilan.
  • Semi-synthetic diversification of Coronarin D, a Labdane Diterpene, under Ugi Reaction Conditions – Natural Product Research 2020. DOI: 10.1080/14786419.2020.1782406. Kollery Veena, Murikkinthara Taniya, Jaice Ravindran, Arun Kumar Thangarasu, Sulochana Priya & Ravi Shankar Lankalapalli*
  • Dienaminodioate based multicomponent reactions with post-benzylic oxidative transformations mediated by
    DDQ – Org. Biomol. Chem. 202018, 3927–3937.  DOI: 10.1039/D0OB00721H. Jaice Ravindran, Velickakathu Yadhukrishnan, Reghuvaran Asha and Ravi Shankar Lankalapalli*
  • Synthesis of 2, 5-Diamino-p-benzoquinones via Aerobic Oxidative C(sp2)-C(sp2) Bond Cleavage and Mechanistic Studies – Chemistry Select 20205, 2545-2550. DOI: 10.1002/slct.201904948. Anandavally Asha, Jaice Ravindran, Subhadra Suma, Cherumuttathu H. Suresh,* and Ravi S. Lankalapalli*

2018

  • Syzygium cumini seed exhibits antidiabetic potential via multiple pathways involving inhibition of a-glucosidase, DPP-IV, glycation, and ameliorating glucose uptake in L6 cell lines – J. Food Process. Preserv. 201842, e13464.
    Syama, Hari Priya; Arun, Karthika Bahulayan; Sinumol, George; Dhanya, Rajendran; Suseela Anusree, Sasidharan; Nisha, P.; Ravi Shankar, Lankalapalli; Sundaresan, Andikanan; Jayamurthy, Purushothaman
  • New 1,2-dihydropyridine based fluorophores and their applications as fluorescent probes –ACS Omega 2018
    [DOI: 10.1021/acsomega.7b01835].
    Vellekkatt Jamsheena, Rakesh K. Mishra, Kollery S. Veena, Suresh Sini, Purushothaman Jayamurthy* and Ravi S. Lankalapalli*
  • Polyhydroxy-N- alkyl-2- pyrrolidinones as a new class of glycolipid analogues with immune modulation potential
    – J. Carb. Chem.
    2018[DOI: 10.1080/07328303.2017.1413193].
    Srinivasa Reddy Bonam, Jaggaiah Naidu Gorantla, Arun Kumar Thangarasu, Ravi S. Lankalapalli* and Halmuthur Mahabalarao Sampath Kumar *

2017

  • Metal-free diaryl etherification of tertiary amines by ortho-C(sp2)-H functionalization for synthesis of dibenzoxazepines and – ones – Org. Lett. 2017 [DOI: 10.1021/acs.orglett.7b03328].Vellekkatt Jamsheena, Chikkagundagal K. Mahesha, M. Nibin Joy, Ravi S. Lankalapalli*
  • An expedient synthesis of indolo[2,3-b]quinolines, chromeno[2,3-b]indoles, and 3-alkenyl-oxindoles from 3,3′-diindolylmethanes and evaluation of their antibiotic activity against methicillin-resistant Staphylococcus aureus – ACS Omega 2017 [DOI: 10.1021/acsomega.7b00840].
    Chandrasekhar Challa, Jaice Ravindran, Mohini Mohan Konai, Sunil Varughese, Jubi Jacob, B. S. Dileep Kumar, Jayanta Haldar, Ravi S. Lankalapalli*
  • Metal-Free Multiple Carbon?Carbon and Carbon?Hydrogen Bond Activations via Charge-Switching Mechanism in Unstrained Diindolylmethanes – Org. Lett. 2017 [DOI: 10.1021/acs.orglett.7b01843].
    Chandrasekhar Challa, Sunil Varughese, Cherumuttathu H. Suresh,* Ravi S. Lankalapalli*
  • Anti-Mycobacterial activity of Chrysomycin A produced by Streptomyces sp. OA161 isolated from coastal Kerala – RSC Advances 2017, 7, 36335-36339.
    Balaji Muralikrishnan, Vipin Mohan Dan, Vinodh J S, Vellekkatt Jamsheena, Ranjit Ramachandran, Sabu Thomas, Syed G Dastegar, K Santhosh Kumar, Ravi S. Lankalapalli, Ramakrishnan Ajay Kumar
  • First report on isolation of 2,3,4-trihydroxy-5-methylacetophenone from palmyra palm (Borassus flabellifer Linn.) syrup, its antioxidant and antimicrobial properties – Food Chem. 2017, 228, 491-496.
    M. V. Reshma*, Jubi Jacob, V. L. Syamnath, V. P. Habeeba, B. S. Dileep Kumar, Ravi S. Lankalapalli*

2016

  • Evaluation of uttroside B, a saponin from Solanum nigrum Linn, as a promising chemotherapeutic agent against hepatocellular carcinoma – Sci. Rep.2016, [DOI: 10.1038/srep36318].
    Lekshmi R. Nath, Jaggaiah N. Gorantla, Arun Kumar T. Thulasidasan, Vinod Vijayakurup, Shabna Shah, Shabna Anwer, Sophia M. Joseph, Jayesh Antony, Kollery Suresh Veena, Sankar Sundaram, Udaya K. Marelli, Ravi S. Lankalapalli,* Ruby John Anto*
  • Anticancer activity of synthetic bis(indolyl)methane-ortho-biaryls against human cervical cancer (HeLa) cells – Chem. -Biol. Interact. 2016, 247, 11-21.
    Vellekkatt Jamsheena, Ganesan Shilpa, Jayaram Saranya, Nissy Ann Harry, Ravi S. Lankalapalli,* Sulochana Priya*
  • Introduction to the Robert Bittman memorial issue – Chem. Phys. Lipids 2016, 194, 1.
    Gemma Fabrias, Alexander Greer, Ravi S. Lankalapalli, Robert Engel
  • Design and synthesis of a novel glycosphingolipid derived from polyhydroxy 2-pyrrolidinone and phytoceramide appended by a 1,2,3-triazole linker – Chem. Phys. Lipids 2016, 194, 158-164.
    Jaggaiah N. Gorantla, A. Faseela, Ravi S. Lankalapalli*

2015

  • Kaempferide, the most active among the four flavonoids isolated and characterized from Chromolaena odorata, induces apoptosis in cervical cancer cells while being pharmacologically safe – RSC Advances 2015, 5, 100912-100922.
    Lekshmi R. Nath, Jaggaiah N. Gorantla, Sophia Margaret Joseph, Jayesh Antony, Sanu Thankachan, Darsan B. Menon, S. Sankar, Ravi S. Lankalapalli,* Ruby John Anto*
  • Characterization of the Bioactive Metabolites from a Plant Growth-Promoting Rhizobacteria and Their Exploitation as Antimicrobial and Plant Growth-Promoting Agents – Appl. Biochem. Biotechnol. 2015, 176, 529-546.
    Emrin George, Nishanth S. Kumar, Jubi Jacob, Bhaskara Bommasani, Ravi S. Lankalapalli, P. Morang, B. S. Dileep Kumar
  • A Novel 2-alkoxy-3, 5-dihydroxypyridine mediated regulation of gelatinases –Int. J. Pharma Bio Sci. 2015, 6, 1435-1444.
    Jyotsna Nambiar, Geetha B. Kumar, Sanjana S. R., Jaggaiah N. Gorantla, Ravi S. Lankalapalli and Bipin G. Nair

2014

  • A metal-free one-pot cascade synthesis of highly functionalized biaryl-2-carbaldehydes – Org. Biomol. Chem. 2014 (DOI: 10.1039/C4OB01829J).
    Chandrasekhar Challa, Jamsheena Vellekkatt, Jaice Ravindran, Ravi S. Lankalapalli*
  • Development of a highly potent, selective, and cell-active Inhibitor of cysteine cathepsin L–A hybrid design approach – Chem. Commun. 2014, 50, 10875-10878
    Dibyendu Dana, Shatarupa De, Pratikkumar Rathod, Anibal R. Davalos, Daniel A. Novoa, Suneeta Paroly, Viviana M. Torres, Nisar Afzal, Ravi S. Lankalapalli, Susan A. Rotenberg, Emmanuel J. Chang, Gopal Subramaniama, Sanjai Kumar
  • Synthesis of beta-C-galactosyl ceramide and its new aza variant via Horner-Wadsworth-Emmons reaction – J. Org. Chem. 2014, 79, 5193-5200.
    Jaggaiah N. Gorantla, Ravi S. Lankalapalli*
  • Cytotoxicity studies of semi-synthetic derivatives of theveside derived from the aqueous extract of leaves of ‘suicide tree’ Cerbera odollam – Nat. Prod. Res. 2014, 28, 1507-1512.
    Jaggaiah N. Gorantla, Jamsheena Vellekkatt, Lekshmi R. Nath, Ruby John Anto, Ravi S. Lankalapalli*
  • Purification and characterization of antifungal phenazines from a fluorescent Pseudomonas strain FPO4 against medically important fungi – J. Mycol. Med. 2014 (DOI: 10.1016/j.mycmed.2014.02.003)
    Jaggaiah N. Gorantla; Nishanth Kumar S; Nisha G. V.; Sumandu A. S.; Dileep C.; Sudaresan A.; Sree Kumar M. M.; Ravi S. Lankalapalli; Dileep Kumar B. S.
  • In vitro antibacterial screening of six proline based cyclic dipeptides in combination with beta-lactam antibiotics against medically important bacteria – Appl. Biochem. Biotechnol. 2014, 173, 116-128.
    Nishanth Kumar S, Ravi S. Lankalapalli, Dileep Kumar BS
  • Synergistic activity of phenazines isolated from Pseudomonas aeruginosa in combination with azoles against Candida species — Medical mycology 2014, 52, 482-490.
    S. Nishanth Kumar, G. V. Nisha, A. Sudaresan, V. V. Venugopal, M. M. Sree Kumar, Ravi S. Lankalapalli, B. S. Dileep Kumar
  • A comparative study of antimicrobial properties of cyclo(L-Pro- L-Asp) with its 2-ketopiperazine analog – Med. Chem. Res. 2014, 23, 2377-2385.
    Chandrasekhar Challa, Nishanth Kumar, Manju John, Ravi S. Lankalapalli*

2013

  • Cascade synthesis of 1,2-Dihydropyridine from dienaminodioate and an imine: A Threecomponent approach – Tetrahedron Lett. 2013, 54, 3810-3812.
    Chandrasekhar Challa, Manju John, Ravi S. Lankalapalli*
  • Isolation and antifungal properties of cyclo(D-Tyr- L-Leu) diketopiperazine isolated from Bacillus sp. associated with rhabditid entomopathogenic nematode – Nat. Prod. Res. 2013, 27, 2168-2172.
    Nishanth Kumar, Jaggaiah N. Gorantla, C. Mohandas, Bala Nambisan, Ravi S. Lankalapalli*
  • An unusual synthesis of 2-pyridone and 3,5-dihydroxypyridine from a carbohydrate – Tetrahedron Lett. 2013, 54, 3230-3232.
    Jaggaiah N. Gorantla, Divya Kovval, Ravi S. Lankalapalli*
  • Ceramide 1-phosphate stimulates glucose uptake in macrophages — Cell Signal. 2013, 25, 786-795.
    Alberto Ouro, Lide Arana, Patricia Gangoiti, Io-Guane Rivera, Marta Ordonez, Miguel Trueba, Ravi S. Lankalapalli, Robert Bittman, Antonio Gomez-Munoz.
  • Isolation of proline-based cyclic dipeptides from Bacillus sp. N strain associated with rhabditid entomopathogenic nematode and its antimicrobial properties – World J Microbiol Biotechnol. 2013, 29, 355-364.
    Nishanth Kumar, C. Mohandas, Bala Nambisan, D. R. Soban Kumar, Ravi S. Lankalapalli*

2008 – 2012

  • Generation of reactive oxygen species (ROS) is a key factor for stimulation of macrophage proliferation by ceramide 1-phosphate – Exp.Cell. Res. 2012, 318, 350-360.
    Lide Arana, Patricia Gangoiti, Alberto Ouro, Io-Guané Rivera, Marta Ordoñez, Miguel Trueba, Ravi S. Lankalapalli, Robert Bittman, Antonio Gomez-Muñoz.
  • Synthesis and Properties of a Photoactivatable Analog of Psychosine (beta?Galactosylsphingosine) – ChemMedChem 2010, 5, 682-686.
    Ravi S. Lankalapalli, Attila Baksa, Karoly Liliom, Robert Bittman.
  • Caged Ceramide 1-Phosphate Analogues: Synthesis and Properties – J. Org. Chem. 2009, 74, 8844-8847.
    Ravi S. Lankalapalli, Alberto Ouro, Lide Arana, Antonio Gómez Muñoz, Robert Bittman.
  • Synthesis and Antioxidant Properties of an Unnatural Plasmalogen Analogue Bearing a trans O-Vinyl Ether Linkage – Organic Letters 2009, 11, 2784-2787.
    Ravi S. Lankalapalli, Joseph T. Eckelkamp, Debajit Sircar, David A. Ford, Papasani V. Subbaiah, Robert Bittman.
  • Effect of Double Bond Geometry in Sphingosine Base on the Antioxidant Function of Sphingomyelin – Arch. Biochem. Biophys. 2009, 481, 72-79.
    Papasani V. Subbaiah, Debajit Sircar, Ravi S. Lankalapalli, Robert Bittman.
  • Raftlike Mixtures of Sphingomyelin and Cholesterol Investigated by Solid-State 2H NMR Spectroscopy – J. Am. Chem. Soc. 2008, 130, 14521-14532.
    Tim Bartels, Ravi S. Lankalapalli, Robert Bittman, Klaus Beyer, Michael F. Brown.
  • (Coumarin-4-yl) methyl esters as cages of phosphosphingolipid second messengers. Abstracts of Papers, 236th ACS National Meeting, Philadelphia, PA, United States, August 17, 2008.
    Ravi S. Lankalapalli, Robert Bittman