biblio

Export 23 results:
Filters: Author is Kontham, Ravindar  [Clear All Filters]
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 
T
B. R. Borade, Dixit, R., and Kontham, R., “Total synthesis of beshanzuenone D and its epimers and abiespiroside A”, Organic Letters, vol. 22, no. 21, pp. 8561-8565, 2020.
M. N. Palange, Gonnade, R. G., and Kontham, R., “TiCl4-n-Bu3N-mediated cascade annulation of ketones with alpha-ketoesters: a facile synthesis of highly substituted fused gamma-alkylidene-butenolides”, Organic & Biomolecular Chemistry, vol. 17, no. 23, pp. 5749-5759, 2019.
S
S. S. Thorat, Kataria, P., and Kontham, R., “Synthesis of furo[2,3-b]pyran-2-ones through Ag(I)- or Ag(I)-Au(I)-catalyzed cascade annulation of alkynols and alpha-ketoesters”, Organic Letters, vol. 20, no. 3, pp. 872-875, 2018.
R. Nomula, Pratapure, M. S., and Kontham, R., “Studies directed toward the total synthesis of nannocystin A”, ChemistrySelect, vol. 7, no. 42, p. e202203893, 2022.
P. Kataria, Nomula, R., and Kontham, R., “Studies directed toward the synthesis of hedycoropyrans: total synthesis of des-hydroxy (-)-hedycoropyran B (ent-rhoiptelol B)”, Organic & Biomolecular Chemistry, vol. 20, no. 2, pp. 444-463, 2022.
S. S. Thorat and Kontham, R., “Strategies for the synthesis of furo-pyranones and their application in the total synthesis of related natural products”, Organic Chemistry Frontiers, vol. 8, no. 9, pp. 2110-2162, 2021.
S. S. Thorat, Krishna, G. Rama, and Kontham, R., “Stereoselective total synthesis of (+/-)-pleurospiroketals A and B”, Journal of Organic Chemistry, vol. 86, no. 19, pp. 13572-13582, 2021.
A. K. Nakate, Thorat, S. S., Jain, S., Krishna, G. Rama, Vanka, K., and Kontham, R., “Silver-catalyzed [3 + 3]-annulation cascade of alkynyl alcohols and α,β-unsaturated ketones for the regioselective assembly of chromanes”, Organic Chemistry Frontiers, vol. 9, no. 3, pp. 802-809, 2022.
R
S. S. Thorat, Shimpi, S. P., Sambherao, P. I., Krishna, G. Rama, and Kontham, R., “Regioselective synthesis of benzannulated [5,6]-oxaspirolactones via Cu(II)-catalyzed cycloisomerization of 2-(5-Hydroxyalkynyl)benzoates”, Journal of Organic Chemistry , vol. 88, no. 24, pp. 16915-16933, 2023.
S. S. Thorat, “ Recent advances in the synthesis of oxaspirolactones and their application in the total synthesis of related natural products ”, Organic & Biomolecular Chemistry, vol. 17, no. 31, pp. 7270-7292, 2019.
Y. Mankad, Thorat, S. S., Das, P., Krishna, G. Rama, Kontham, R., and D. Reddy, S., “Ready access to benzannulated [5,5]-oxaspirolactones using Au(III)-catalyzed cascade cyclizations”, Journal of Organic Chemistry, vol. 87, no. 5, pp. 3025-3041, 2022.
M
V. D. Navale, Borade, B. R., Krishna, G. Rama, Vamkudoth, K. Rao, and Kontham, R., “Metabolites from lactococcus lactis subsp. lactis: isolation, structure elucidation, and antimicrobial activity”, ACS Omega, vol. 8, no. 40, pp. 36628-36635, 2023.
L
D. A. Kambale, Thorat, S. S., Pratapure, M. S., Gonnade, R. G., and Kontham, R., “Lewis acid catalyzed cascade annulation of alkynols with alpha-ketoesters: a facile access to gamma-spiroketal-gamma-lactones”, Chemical Communications, vol. 53, no. 49, pp. 6641-6644, 2017.
F
S. S. Thorat, Palange, M. N., and Kontham, R., “Four-step total synthesis of (+)-yaoshanenolides A and B”, ACS Omega, vol. 3, no. 6, pp. 7036-7045, 2018.
B. R. Borade, Nomula, R., Gonnade, R. G., and Kontham, R., “Fe(III)-Catalyzed diastereoselective friedel-crafts alkylation-hemiketalization-lactonization cascade for the synthesis of polycyclic bridged 2-chromanol lactones”, Organic Letters, vol. 21, no. 8, pp. 2629-2633, 2019.
E
A. Khan, Said, M. S., Borade, B. R., Gonnade, R., Barvkar, V., Kontham, R., and Dastager, S. G., “Enceleamycins A-C, furo-naphthoquinones from amycolatopsis sp. MCC0218: isolation, structure elucidation, and antimicrobial activity”, Journal of Natural Products, vol. 85, no. 5, pp. 1267-1273, 2022.
D
D. A. Kambale, Borade, B. R., Vinodkumar, R., and Kontham, R., “Divergent synthesis of oxepino-phthalides and [5,5]-oxaspirolactones through [2+2+2]- and [2+3]-annulation of alkynyl alcohols with a-ynone-esters”, Journal of Organic Chemistry, vol. 88, no. 17, pp. 12597-12612, 2023.
C
B. R. Borade and Kontham, R., “Concise total synthesis of (+)-lanceolactone a: revision of absolute stereochemistry”, Journal of Organic Chemistry, vol. 87, no. 19, pp. 12867-12876, 2022.
B
A. K. Nakate, Pratapure, M. S., and Kontham, R., “Bismuth(III)-catalyzed cycloisomerization and (hetero)arylation of alkynols: simple access to 2-(hetero)aryl tetrahydrofurans and tetrahydropyrans”, Organic & Biomolecular Chemistry, vol. 16, no. 17, pp. 3229-3240, 2018.
M. S. Pratapure and Kontham, R., “Bismuth(III)-catalyzed cascade condensation of alkynyl alcohols with terminal alkynes: a facile construction of propargyl cyclic ethers”, Tetrahedron Letters, vol. 114, p. 154274, 2023.
D. A. Kambale, 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”, Organic & Biomolecular Chemistry, vol. 19, no. 30, pp. 6618-6622, 2021.
A. B. Rathod, Borade, B. R., Sambherao, P. I., and Kontham, R., “Bi(OTf)3-promoted cascade annulation of hydroxy-pyranones and unsaturated γ-ketoesters for the construction of polycyclic bridged pyrano-furopyranones”, Organic and biomolecular chemistry, vol. 22, no. 3, pp. 496-500, 2024.
P. Kataria, Sahoo, S. Shekhar, and Kontham, R., “Bi(III)-catalyzed synthesis of substituted furans from hydroxy-oxetanyl ketones: application to unified total synthesis of shikonofurans J, D, E, and C”, Journal of Organic Chemistry, vol. 88, no. 11, pp. 7328-7346, 2023.