Research Group Publications

 
  • Thorat S. S., Gamidi R. And and Kontham R., Stereoselective Total Synthesis of (±)-Pleurospiroketals A and B, J. Org. Chem., 86, 13572 - 13582 (2021), DOI:10.1021/acs.joc.1c01634.
  • Kambale D.A. Borade B.R. and Kontham R., Bismuth(III)-catalyzed bis-cyclization of propargylic diol-esters: a unified approach for the synthesis of [5,5]- and [6,5]-oxaspirolactones, Org. Biomol. Chem., 19, 6618 - 6622 (2021), DOI:10.1039/D1OB00974E.
  • Thorat, S. S.; Kontham And R., Strategies for the synthesis of furo-pyranones and their application in the total synthesis of related natural products, Org. Chem. front., 8, 2110 - 2162 (2021), DOI:org/10.1039/D0QO01421D.
  • Borade B.R. And Ruchi Dixit and Kontham R., Total Synthesis of Beshanzuenone D and Its Epimers and Abiespiroside A, Org. Lett., 22, 8561 - 8565 (2020), DOI://dx.doi.org/10.1021/acs.orglett.0c03157.
  • Palange, M. N.; Gonnade, R.G.; kontham And R., TiCl4-n-Bu3N-mediated cascade annulation of ketones with ?- ketoesters: a facile synthesis of highly substituted fused ?- alkylidene-butenolides, org. Biomol.Chem., 17, 5749 - 5759 (2019), DOI:10.1039/x0xx00000x.
  • Thorat, S. S.; kontham And R., Recent advances in the synthesis of oxaspirolactones and their application in the total synthesis of related natural products, org. Biomol.Chem., 17, 7270 - 7292 (2019), DOI:10.1039/c9ob01212e.
  • Borade, B. R.; Nomula, R.; Gonnade, R.G.; kontham And R., Fe(III)-Catalyzed Diastereoselective Friedel–Crafts Alkylation–Hemiketalization–Lactonization Cascade for the Synthesis of Polycyclic Bridged 2-Chromanol Lactones, org.lett., , (2019), DOI:10.1021/acs.orglett.9b00614.
  • Sagar S. Thorat, Megha N. Palange And Ravindar Kontham, Four-Step Total Synthesis of (+)-Yaoshanenolides A and B, ACS Omega., 3, 7036 - 7045 (2018), DOI:10.1021/acsomega.8b00701.
  • Ashwini Nakate, Madhukar Pratapure And Ravindar Kontham*, Bismuth(III)-catalyzed cycloisomerization and(hetero)arylation of alkynols: a simple access to 2-(hetero)aryl tetrahydrofurans and tetrahydropyrans, Org. Biomol. Chem., 16, 3229 - 3240 (2018), DOI:10.1039/C8OB00368H.
  • Sagar S. Thorat, Priyanka Kataria And Ravindar Kontham*, Synthesis of Furo[2,3-b]pyran-2-ones through Ag(I)- or Ag(I)–Au(I)-Catalyzed Cascade Annulation of Alkynols and ?-Ketoesters, Org. Lett., 20, 872 - 875 (2018), DOI:10.1021/acs.orglett.7b04027.
  • Digambar A. Kambale, Sagar S. Thorat, Madhukar S. Pratapure, Rajesh G. Gonnade And and Ravindar Kontham*, Lewis acid catalyzed cascade annulation of alkynols with a-ketoesters: A facile access to g-spiroketal-g-lactones, Chem Commun., 53, 6641 - 6644 (2017), DOI:10.1039/C7CC03668J.
  • Ragam Somaiah, Kontham Ravindar, Regina Cencic And Jerry Pelletier and Pierre Deslongchamps, Synthesis of the Antiproliferative Agent Hippuristanol and Its Analogues from Hydrocortisone via Hg(II)-Catalyzed Spiroketalization: Structure-Activity Relationship, J. Med. Chem., 57, 2511 - 2523 (2014).
  • Kontham Ravindar, Pierre-Yves Caron And and Pierre Deslongchamps, Anionic Polycyclization Entry to Tricycles Related to Quassinoids and Terpenoids: A Stereocontrolled Total Synthesis of (+)-Cassaine, J. Org. Chem., 79, 7979 - 7990 (2014).
  • J. S. Yadav, A. Raju, K. Ravindar And B. V. Subba Reddy, A formal stereoselective synthesis of (-)-brevisamide, Tetrahedron Lett., 54, 3227 - 3229 (2013).
  • R Cencic, F Robert, G Galicia-Vazquez, A Malina, K Ravindar, R Somaiah, J Tanaka, P Deslongchamps And and J Pelletier, Modifying Chemotherapy Response by Targeted Inhibition of Eukaryotic Initiation Factor 4A, Nature: Blood Cancer Journal., e, 128 (2013), DOI:10.1038/bcj.2013.25.
  • Zeina Nasr, Lukas E Dow, Marilene Paquet, Jennifer Chu, Kontham Ravindar And Ragam Somaiah, Suppression of eukaryotic initiation factor 4E prevents chemotherapy-induced alopecia, BMC Pharmacology and Toxicology., 14, (2013).
  • Kontham Ravindar, Pierre-Yves Caron And and Pierre Deslongchamps, Total Synthesis of (+)-Cassaine Utilizing an Anionic Polycyclization Strategy, Org. Lett., 15, 6270 - 6273 (2013).
  • Jhillu S. Yadav, Ande Raju, Kontham Ravindar And Basi V. Subba Reddy and Ahamad Al Khazim Al Ghamdi, The Stereoselective Total Synthesis of Putaminoxin, Synthesis., 44, 585 - 590 (2012).
  • Ravindar Kontham and Jhillu Singh Yadav, Studies Directed Towards the Total Synthesis of Polypropionate Natural Products (–)-Ebelactone-A and (–)-Maurenone (PhD Thesis), Monograph. LAP (Lambert Academic Publishing, Germany)., ISBN: 978-3-8484-4958-3, (2011).
  • Jhillu S. Yadav, Ragam Nageshwar Rao, Begari Prem Kumar, Ragam Somaiah, Kontham Ravindar And Basi V. Subba Reddy and Ahamad Al Khazim Al Ghamdi, Concise Total Synthesis of (-)-cis-Aerangis Lactone and (-)-cis-Cognac lactone, Synthesis., 19, 3168 - 3172 (2011).
  • Jhillu S. Yadav, K. V. Raghavendra Rao, K. Ravindar And B. V. Subba Reddy, Total Synthesis of (+)-Bourgeanic Acid Utilizing Desymmetrization Strategy, Eur. J. Org. Chem., , 58 - 61 (2011).
  • Kontham Ravindar, Maddi Sridhar Reddy, Lisa Lindqvist And Jerry Pelletier and Pierre Deslongchamps, Synthesis of the Antiproliferative Agent Hippuristanol and Its Analogues via Suarez Cyclizations and Hg(II)-Catalyzed Spiroketalizations, J. Org. Chem., 76, 1269 - 1284 (2011).
  • Kontham Ravindar And Maddi Sridhar Reddy and Pierre Deslongchamps, A Highly Efficient Access to Spiroketals, Mono-unsaturated Spiroketals and Furans: Hg(II)-Catalyzed Cyclization of Alkyne Diols and Triols, Org. Lett., 13, 3178 - 3181 (2011).
  • J. S. Yadav, K. V. Raghavendra Rao, K. Ravindar And B. V. Subba Reddy, Total Synthesis of (+)-Aculeatin D and (+)-6-epi-Aculeatin D, Synlett., 1, 51 - 54 (2010).
  • J. S. Yadav, A. Raju, K. Ravindar And B. V. Subba Reddy, Stereoselective Total Synthesis of 11-?- and 11-?-Methoxycurvularins, Synthesis., 5, 797 - 802 (2010).
  • Jhillu Singh Yadav, Dandekar Chandrakanth, Yerragorla Gopala Rao And Kontham Ravindar and Basi V. Subba Reddy, The Stereoselective Total Synthesis of (6S)-5,6-dihydro-6-[(2R)-2-hydroxy-6-phenylhexyl]-2H-pyran-2-one via Prins Cyclisation, Helvetica Chimica Acta., 93, 1432 - 1438 (2010).
  • Jhillu S. Yadav, Yerragorla Gopala Rao, Dandekar Chandrakanth And Kontham Ravindar and Basi V Subba Raddy, Total Synthesis of Aculeatins A and B from L-Malic Acid, Helvetica Chimica Acta., 93, 2426 - 2432 (2010).
  • Kontham Ravindar, Maddi Sridhar Reddy, Lisa Lindqvist And Jerry Pelletier and Pierre Deslongchamps, Efficient synthetic Approach to Potent Antiproliferative Agent Hippuristanol via Hg(II)-Catalyzed Spiroketalization, Org. Lett., 12, 4420 - 4423 (2010).
  • J. S. Yadav, T. Srinivasa Rao, K. Ravindar And B. V. Subba Reddy, Total Synthesis of (+)-Aspicilin from D-Mannitol, Synlett., 17, 2828 - 2830 (2009).
  • J. S. Yadav, Y. Gopala Rao, K. Ravindar, B. V. Subba Reddy And A. V. Narsaiah, Total Synthesis of Xestodecalactone C from L-Malic Acid, Synthesis., 18, 3157 - 3161 (2009).
  • Jhillu S. Yadav, Basi V. S. Reddy, Ande Raju, Kontham Ravindar And Ravirala Narender, The Hydroamination of Unactivated Alkenes with Sulfonamides Catalyzed by Phosphomolybdic Acid/SiO2, Letters in Organic Chemistrystry., 5, 651 - 654 (2008).
  • P. Srihari, K. Ravindar, R. Somaiah And J. S. Yadav, First Concise Total Synthesis of 5-Epi-prelactone B, Synth. Commun., 38, 1389 - 1397 (2008).
  • J. S. Yadav, R. Somaiah, K. Ravindar And L. Chandraiah, Stereoselective total synthesis of (+)-mueggelone, a novel inhibitor of fish development, Tetrahedron Lett., 49, 2848 - 2850 (2008).
  • J. S. Yadav, B. V. Subba Reddy, A. Raju And K. Ravindar and Gakul. Baishya, 1-(Chloromethyl)-4-fluoro-1,4-diazoniabicyclo-[2,2,2]octane-bis(tetrafluoroborate) as Novel and Efficient Reagent for the Conjugate Addition of Indoles to ?,?-Unsaturated Ketones, Chemistry Letters., 36, 1056 - 1057 (2007).
  • J. S. Yadav, B. V. Subba Reddy, A. Raju And K. Ravindar and Gakul. Baishya, Hydrothiolation of Unactivated Alkynes Catalyzed by Indium(III) Bromide, Chemistry Letters., 36, 1474 - 1475 (2007).
  • J. S. Yadav, K. Ravindar And B. V. S. Reddy, A Formal Stereoselective Synthesis of (–)-Maurenone, Synlett., 12, 1957 - 1959 (2007).