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Y. Goriya and Ramana, C. V., “2-Aroylindoles from o-bromochalcones via Cu(I)-catalyzed SNAr with an azide and intramolecular nitrene C-H insertion”, Chemical Communications, vol. 50, no. 58, pp. 7790-7792, 2014.
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A. A. More and Ramana, C. V., “Alkyne [2+2+2]-cyclotrimerization approach for synthesis of 6,7-cyclopropylallocolchicinoids”, Journal of Organic Chemistry, vol. 81, no. 8, pp. 3400-3406, 2016.
M. H. Shinde and Ramana, C. V., “Apparent umpolung reactivity of indole through [Au]-catalysed cyclisation and lewis-acid-mediated allylation”, Chemistry-A European Journal, vol. 26, no. 71, pp. 17171-17175, 2020.
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C. V. Ramana, Srinivas, B., Puranik, V. G., and Gurjar, M. K., “Carbohydrate-based approach for the total synthesis of 1,3-polyol/alpha-pyrone antifungal natural products”, Journal of Organic Chemistry, vol. 70, no. 20, pp. 8216-8219, 2005.
C. V. Ramana, Patel, P., Vanka, K., Miao, B., and Degterev, A., “Combined experimental and density functional theory study on the Pd-mediated cycloisomerization of o-alkynylnitrobenzenes - synthesis of isatogens and their evaluation as modulators of ROS-mediated cell death”, European Journal of Organic Chemistry, no. 31, pp. 5955-5966, 2010.
N. B. Reddy and Ramana, C. V., “Concise approach for central core of trigolutes: total synthesis of trigolute B and 3-epi-trigolute B and analogues”, Tetrahedron, vol. 73, no. 7, pp. 888 - 899, 2017.
M. N. Shet, Nechooli, H. K., and Ramana, C. V., “Concise approach for the synthesis of the tetracyclic framework of Lycibarbarines A and B”, Tetrahedron Letters, vol. 121, p. 154493, 2023.
A. M. Kulkarni, Srinivas, K., Deshpande, M. V., and Ramana, C. V., “Cu-catalyzed sequential C-N bond formations: expeditious synthesis of tetracyclic indoloindol-3-ones”, Organic Chemistry Frontiers, vol. 3, pp. 43-46, 2016.
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P. Patel and Ramana, C. V., “Divergent Pd(II) and Au(III) mediated nitroalkynol cycloisomerizations”, Organic & Biomolecular Chemistry, vol. 9, no. 21, pp. 7327-7334, 2011.
E
A. G. Giri, Mondal, M. A., Puranik, V. G., and Ramana, C. V., “Effect of the allylic substituents on ring closing metathesis: the total synthesis of stagonolide B and 4-epi-stagonolide B”, Organic & Biomolecular Chemistry, vol. 8, no. 2, pp. 398-406, 2010.
K. Srinivas, Dangat, Y., Kommagalla, Y., Vanka, K., and Ramana, C. V., “Electronic control on linear versus branched alkylation of 2-/3-aroylbenzofurans with acrylates: combined DFT and synthetic studies”, Chemistry-A European Journal, vol. 23, no. 31, pp. 7570-7581, 2017.
C. V. Ramana, Goriya, Y., Durugkar, K. A., Chatterjee, S., Krishnaswamy, S., and Gonnade, R. G., “Evaluation of viability of halogen•••O2N interactions: insight form crystal packing in a series of isomeric halo and nitro substituted triaryl compounds with modular positioning of halogen and NO2 groups”, CrystEngComm, vol. 15, no. 26, pp. 5283-5300, 2013.
C. V. Ramana, Salian, S. R., and Gonnade, R. G., “Expeditious assembly of 3,4-benzannulated 8-oxabicyclo[3.2.1]octane systems by [2+2+2] alkyne cyclotrimerisation: Total synthesis of (-)-bruguierol A”, European Journal of Organic Chemistry, no. 33, pp. 5483-5486, 2007.
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R. S. Phatake, Mullapudi, V., Wakchaure, V. C., and Ramana, C. V., “Fluoride-mediated dephosphonylation of alpha-diazo-beta-carbonyl phosphonates”, Organic Letters, vol. 19, no. 2, pp. 372-375, 2017.
R. S. Phatake, Mullapudi, V. Babu, Wakchaure, V. Chandrakan, and Ramana, C. V., “Fluoride-mediated dephosphonylation of α-diazo-β-carbonyl phosphonates”, Organic Letters, vol. 19, pp. 372 - 375, 2016.
S. Das and Ramana, C. V., “Formal total synthesis of (-)-kumausallene”, Tetrahedron, vol. 71, no. 45, pp. 8577-8584, 2015.
D. G. Sant, Tupe, S. Genba, Ramana, C. V., and Deshpande, M. V., “Fungal cell membrane-promising drug target for antifungal therapy”, Journal of Applied Microbiology, vol. 121, no. 6, pp. 1498-1510, 2016.
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P. S. Dhote, Halnor, S. V., and Ramana, C. V., “Gold-catalysed nitroalkyne cycloisomerization - synthetic utility”, Chemical Record, vol. 21, no. 12, 2021.
C. Naidu Kona, Patil, M. N., and Ramana, C. V., “Gold(I) catalyzed [1,3] O -> C rearrangement of benzylvinyl ethers”, Organic Chemistry Frontiers, vol. 3, no. 4, pp. 453-456, 2016.
C. Naidu Kona and Ramana, C. V., “Gold(I)-catalysed [1,3] O -> C rearrangement of allenyl ethers”, Chemical Communications, vol. 50, no. 17, pp. 2152-2154, 2014.
C. Naidu Kona, Shinde, M. H., and Ramana, C. V., “Gold(I)-catalyzed hydroindolylation of allenyl ethers”, Organic & Biomolecular Chemistry, vol. 13, no. 19, pp. 5358-5362, 2015.
I
C. V. Suneel Kumar, Puranik, V. G., and Ramana, C. V., “InCl3-mediated addition of indole to isatogens: an expeditious synthesis of 13-deoxy-isatisine A”, Chemistry-A European Journal, vol. 18, no. 31, pp. 9601-9611, 2012.
M. S. Chorghade, Chorghade, V. M., Gurjar, M. K., Ramana, C. V., Kamerkar, A. V., Zafran, H., and Mashelkar, R. Anant, “India: apremier destination for outsourcing”, Speciality Chemicals Magazine, vol. 42, 2005.
K. Srinivas, Sharma, R., and Ramana, C. V., “Interrupting base-mediated benzofuran ring transformation with michael acceptors”, Journal of Organic Chemistry, vol. 82, no. 18, pp. 9816-9823, 2017.
A. Sendilkumar, Kasture, M., Patel, P., Ramana, C. V., Prasad, B. L. V., and Srinath, S., “Investigation of magnetic anisotropy in Co nanoparticles using ferromagnetic resonance technique”, Journal of Physics: Conference Series, vol. 200, no. 7, 2010.
R. S. Rohokale, Kalshetti, R. G., and Ramana, C. V., “Iridium(III)-catalyzed alkynylation of 2-(Hetero)arylquinazolin-4-one scaffolds via C-H bond activation”, Journal of Organic Chemistry, vol. 84, no. 5, pp. 2951-2961, 2019.
R. S. Phatake, Patel, P., and Ramana, C. V., “Ir(III)-catalyzed carbenoid functionalization of benzamides: synthesis of N-methoxyisoquinolinediones and N-methoxyisoquinolinones”, Organic Letters, vol. 18, no. 12, pp. 2828-2831, 2016.
R. S. Phatake, Patel, P., and Ramana, C. V., “Ir(III)-catalyzed synthesis of isoquinoline N-oxides from aryloxime and alpha-diazocarbonyl compounds”, Organic Letters, vol. 18, pp. 292-295, 2016.
M
N. B. Reddy and Ramana, C. V., “Modular total synthesis of (+/-)-trigonoliimine C”, Chemical Communications, vol. 49, no. 84, pp. 9767-9769, 2013.
O
C. V. Ramana and Senthilkumar, B., “One-pot process for the conversion of aroyl chlorides to acyl thioureas”, U.S. Patent US 14/650,7782013.
Y. Kommagalla, Cornea, S., Riehle, R., Torchilin, V., Degterev, A., and Ramana, C. V., “Optimization of the anti-cancer activity of the phosphatidylinositol-3 kinase pathway inhibitor PITENIN-1: switching thiourea with 1,2,3-triazole”, Medchemcomm, vol. 5, no. 9, pp. 1359-1363, 2014.
A. A. More and Ramana, C. V., “O-Quinone methides via oxone-mediated benzofuran oxidative dearomatization and their intramolecular cycloaddition with carbonyl groups: an expeditious construction of the central tetracyclic core of integrastatins, epicoccolide A, and epicocconigrone A”, Organic Letters, vol. 18, no. 3, pp. 612-615, 2016.
R. S. Phatake and Ramana, C. V., “Oxone-acetone mediated syn-dioxygenation of benzo-fused olefins”, Tetrahedron Letters, vol. 56, no. 17, pp. 2183-2186, 2015.
R. S. Phatake and Ramana, C. V., “Oxone-acetone mediated wacker-type oxidation of benzo-fused olefins”, Tetrahedron Letters, vol. 56, no. 25, pp. 3868-3871, 2015.
P
S. B. Narute, Kiran, N. Chandra, and Ramana, C. V., “[Pd]-mediated omega-alkynone cycloisomerization approach for the central tetrahydropyran unit and the synthesis of C(31)-C(48) fragment of aflastatin A”, Organic & Biomolecular Chemistry, vol. 9, no. 15, pp. 5469-5475, 2011.
V. Mullapudi, Bhogade, R. B., Deshpande, M. V., and Ramana, C. V., “Phenol oxidative dearomatization of modified nucleoside templates: a simple access to the c7-spiroannulated octosyl acid framework”, Synthesis-Stuttgart, vol. 49, no. 18, 2017.
R
S. Pulya, Kommagalla, Y., Sant, D. G., Jorwekar, S. U., Tupe, S. G., Deshpande, M. V., and Ramana, C. V., “Re-engineering of PIP3-antagonist triazole PITENIN's chemical scaffold: development of novel antifungal leads”, RSC Advances, vol. 6, no. 14, pp. 11691-11701, 2016.
R. G. Kalshetti, Halnor, S. V., and Ramana, C. V., “Rh-catalyzed C-H functionalization of the (Pyrazol-5-yl)pyridine core of GBT-440”, Synthesis-Stuttgart, vol. 55, no. 21, pp. 3600-3609, 2023.
Y. Kommagalla, Srinivas, K., and Ramana, C. V., “Ru-catalyzed branched versus linear selective C3-alkylation of 2-aroylbenzofurans with acrylates via C-H activation”, Chemistry-A European Journal, vol. 20, no. 26, pp. 7884-7889, 2014.
C. V. Suneel Kumar and Ramana, C. V., “Ru-catalyzed redox-neutral cleavage of the N-O bond in isoxazolidines: isatogens to pseudoindoxyls via a one-pot [3+2]-cycloaddition/N-O cleavage”, Organic Letters, vol. 17, no. 12, pp. 2870-2873, 2015.
K. Srinivas, Siddiqui, S. K., Mudaliar, J. K., and Ramana, C. V., “Ru(II)-catalyzed C-H activation/alkylation of 3-formylbenzofurans with conjugated olefins: product divergence”, Journal of Organic Chemistry, vol. 84, no. 9, pp. 5056-5066, 2019.
Y. Goriya and Ramana, C. V., “Ruthenium-catalyzed C6-propenylation reactions of substituted pyridine derivatives: directed and direct C-H activation”, Chemistry-A European Journal, vol. 18, no. 42, pp. 13288-13292, 2012.
D. J. Paymode and Ramana, C. V., “Ruthenium(II)-catalyzed C3 arylation of 2-aroylbenzofurans with arylboronic acids/aryltrifluoroborates via carbonyl-directed C-H bond activation”, Journal of Organic Chemistry, vol. 80, no. 22, pp. 11551-11558, 2015.
Y. Kommagalla, Mullapudi, V. Babu, Francis, F., and Ramana, C. V., “Ruthenium(II)-catalyzed switchable C3-alkylation versus alkenylation with acrylates of 2-pyridylbenzofurans via C-H bond activation”, Catalysis Science & Technology, vol. 5, no. 1, pp. 114-117, 2015.
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C. V. Ramana, Patel, P., and Gonnade, R. G., “Steric control in pd-mediated cycloisomerization of sugar alkynols: documentation of a rare allylic epimerization”, Tetrahedron Letters, vol. 48, no. 27, pp. 4771-4774, 2007.
A. G. Giri, Jogdand, G. F., Rajamohanan, P. R., Pandey, S. K., and Ramana, C. V., “Synthesis and structural characterization of homochiral homo-oligomers of cis-gamma-methoxy-substituted cis- and trans-furanoid-beta-amino acids”, European Journal of Organic Chemistry, no. 13, pp. 2656-2663, 2012.
S. K. Pandey, Jogdand, G. F., Oliveira, J. C. A., Mata, R. A., Rajamohanan, P. R., and Ramana, C. V., “Synthesis and structural characterization of homochiral homo-oligomers of parent CIS- and trans-furanoid-beta-amino acids”, Chemistry-A European Journal, vol. 17, no. 46, pp. 12946-12954, 2011.
S. B. Narute, Rout, J. Kumar, and Ramana, C. V., “Synthesis of C-disaccharides through a one-pot alkynol cycloisomerization-reductive deoxygenation”, Chemistry-A European Journal, vol. 19, pp. 15109-15114, 2013.
N. B. Reddy and Ramana, C. V., “Synthesis of functionalized 6-hydroxy-2-oxindole derivatives by phenoxide cyclization”, Organic Letters, vol. 18, no. 24, pp. 6264-6267, 2016.
Y. Goriya and Ramana, C. V., “Synthesis of pseudo-indoxyl derivatives via sequential Cu-catalyzed SNAr and Smalley cyclization”, Chemical Communications, vol. 49, no. 57, pp. 6376-6378, 2013.
T
A. Swami and Ramana, C. V., “Target cum flexibility: synthesis of indolo[1,2-b]isoquinoline derivatives via cobalt-catalyzed [2+2+2] cyclotrimerization”, Synlett, vol. 26, no. 5, pp. 604-608, 2015.
M. K. Gurjar, Pramanik, C., Bhattasali, D., Ramana, C. V., and Mohapatra, D. K., “Total syntheses of schulzeines B and C”, Journal of Organic Chemistry, vol. 72, no. 17, pp. 6591-6594, 2007.
V. Babu Mullapudi and Ramana, C. V., “Total synthesis and structural assignment of hexaketide xylarinolb and its C1-epimer”, Asian Journal of Organic Chemistry, vol. 5, no. 3, pp. 417-422, 2016.
P. M. Vadhadiya, Puranik, V. G., and Ramana, C. V., “Total synthesis and structural revision of stagonolide D”, Journal of Organic Chemistry, vol. 77, no. 5, pp. 2169–2175, 2012.
D. J. Paymode and Ramana, C. V., “Total synthesis of (+/-)-allocolchicine and its analogues using Co-catalyzed alkyne [2”, ACS Omega, vol. 2, no. 9, pp. 5591-5600, 2017.
A. A. More and Ramana, C. V., “Total synthesis of integrastatin B enabled by a benzofuran oxidative dearomatization cascade”, Organic Letters, vol. 18, no. 6, pp. 1458-1461, 2016.
S. Senapati, Das, S., and Ramana, C. V., “ Total synthesis of notoryne”, Journal of Organic Chemistry, vol. 83, no. 20, pp. 12863-12868, 2018.
V. Babu Mullapudi and Ramana, C. V., “Total synthesis of (+)-petromyroxol”, Tetrahedron Letters, vol. 56, no. 25, pp. 3933-3935, 2015.
V. Mullapudi and Ramana, C. V., “Total synthesis of (+)-petromyroxol (vol 56, pg 3933, 2015)”, Tetrahedron Letters, vol. 61, no. 6, p. 151420, 2020.
K. Srinivas and Ramana, C. V., “Total synthesis of propolisbenzofuran B”, Organic Letters, vol. 19, no. 24, pp. 6466-6469, 2017.
J. Kumar Rout and Ramana, C. V., “Total synthesis of (–)-sacidumlignans B and D”, Journal of Organic Chemistry, vol. 77, no. 3, pp. 1566–1571, 2012.
P. M. Vadhadiya and Ramana, C. V., “Total synthesis of sinenside A”, Organic Letters, vol. 17, no. 7, pp. 1724-1727, 2015.
P. S. Dhote, Patel, P., Vanka, K., and Ramana, C. V., “Total synthesis of the pseudoindoxyl class of natural products”, Organic & Biomolecular Chemistry, vol. 19, no. 37, pp. 7970-7994, 2021.
A. A. More and Ramana, C. V., “Total synthesis of the putative structure of xylarinol B”, Chemistry-An Asian Journal, vol. 9, no. 6, pp. 1557-1562, 2014.
C. V. Suneel Kumar and Ramana, C. V., “Tuning the regioselectivity of gold-catalyzed internal nitroalkyne redox: a cycloisomerization and [3+2]-cycloaddition cascade for the construction of spiro-pseudoindoxyl skeleton”, Organic Letters, vol. 16, no. 11, pp. 4766-4769, 2014.
U
S. Senapati, Unmesh, N. A., Shet, M. N., Ahmad, I., Ajikumar, N., and Ramana, C. V., “Unified approach for the total aynthesis of Bis-THF C-15 acetogenins: a chloroenyne from laurencia majuscula, laurendecumenyne B and laurefurenynes A/B”, Synthesis-Stuttgart, 2021.
S. Senapati, Unmesh, N. A., Shet, M. N., Ahmad, I., Ajikumar, N., and Ramana, C. V., “Unified approach for the total synthesis of Bis-THF C-15 acetogenins: a chloroenyne from laurencia majuscula, laurendecumenyne B and laurefurenynes A/B”, Synthesis-Stuttgart, vol. 53, no. 16, pp. 2903-2910, 2021.