Search Results - "Das, Pragna P."

Iodocyclization and Prins-Type Macrocyclization: An Efficient Formal Synthesis of Leucascandrolide A by Yadav, J. S, Pattanayak, Manas R, Das, Pragna P, Mohapatra, Debendra K

“…The formal total synthesis of leucascandrolide A has been achieved in 20 steps from a known epoxide with an overall yield of 11.5% following a recently…”
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Iodine-Catalyzed Highly Diastereoselective Synthesis of trans-2,6-Disubstituted-3,4-Dihydropyrans: Application to Concise Construction of C28-C37 Bicyclic Core of (+)-Sorangicin A by Mohapatra, Debendra K., Das, Pragna P., Pattanayak, Manas Ranjan, Yadav, J. S.

“…A novel iodine‐catalyzed highly diastereoselective synthesis of trans‐2,6‐disubstituted‐3,4‐dihydropyrans have been achieved from δ‐hydroxy α,β‐unsaturated…”
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Protecting-Group Directed Stereoselective Intramolecular Nozaki-Hiyama-Kishi Reaction: A Concise and Efficient Total Synthesis of Amphidinolactone A by Mohapatra, Debendra K., Das, Pragna P., Pattanayak, Manas R., Gayatri, Gaddamanugu, Sastry, G. Narahari, Yadav, J. S.

“…A convergent total synthesis of amphidinolactone A, a cytotoxic macrolide from the cultured dinoflagellate Amphidinium sp., is described in 13 linear steps…”
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Sub-cellular internalization and organ specific oral elivery of PABA nanoparticles by side chain variation by Yadav, Jhillu S, Das, Pragna P, Reddy, T Lakshminarayan, Bag, Indira, Lavanya, Priyadarshini M, Jagannadh, Bulusu, Mohapatra, Debendra K, Bhadra, Manika Pal, Bhadra, Utpal

“…Organic nanomaterials having specific biological properties play important roles in in vivo delivery and clearance from the live cells. To develop orally…”
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Stereoselective synthesis of four possible isomers of streptopyrrolidine by Mohapatra, Debendra K, Thirupathi, Barla, Das, Pragna P, Yadav, Jhillu S

“…The synthesis of (4R,5R)-streptopyrrolidine (1), (4S,5R)-streptopyrrolidine (2) (4R,5S)-streptopyrrolidine (3) and (4S,5S)-streptopyrrolidine (4) have been…”
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Iodo-cyclizations: Novel Strategy for the Total Syntheses of Polyrhacitide A and epi-Cryptocaryolone by Mohapatra, Debendra K, Bhimireddy, Eswar, Krishnarao, P. Sivarama, Das, Pragna P, Yadav, J. S

“…Highly stereoselective total syntheses of polyrhacitide A and epi-cryptocaryolone have been achieved in 11 steps with high overall yield of 24% and 28%,…”
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First total syntheses and absolute configuration of rugulactone and 6(R)-(4′-oxopent-2′-enyl)-5,6-dihydro-2H-pyran-2-one by Mohapatra, Debendra K., Das, Pragna P., Sai Reddy, D., Yadav, J.S.

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Practical Syntheses of Proposed and Revised Manzacidin B and Their Congeners by Sankar, Kuppusamy, Rahman, Hasibur, Das, Pragna P, Bhimireddy, Eswar, Sridhar, B, Mohapatra, Debendra K

“…A concise and highly stereoselective total synthesis of manzacidin B and its congeners has been developed following chelation-controlled syn-epoxidation and…”
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Ring-closing metathesis (RCM) based synthesis of the macrolactone core of amphidinolactone A by Mohapatra, Debendra K, Pattanayak, Manas R, Das, Pragna P, Pradhan, Tapas R, Yadav, J S

“…A convergent synthesis of the macrolactone core of amphidinolactone A has been achieved, in a 10 step linear sequence with 32% overall yield, through a…”
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4-N-pyridin-2-yl-benzamide nanotubes compatible with mouse stem cell and oral delivery in Drosophila by Yadav, Jhillu S, Lavanya, Madugula P, Das, Pragna P, Bag, Indira, Krishnan, Anita, Leary, R, Bagchi, A, Jagannadh, Bulusu, Mohapatra, Debendra K, Bhadra, Manika Pal, Bhadra, Utpal

“…p-aminobenzoic acid (PABA), a structural moiety of many commercial drugs, is self-assembled with linker alkyl side chains to form tubular nanostructures. The…”
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Inside Cover: Iodine-Catalyzed Highly Diastereoselective Synthesis of trans-2,6-Disubstituted-3,4-Dihydropyrans: Application to Concise Construction of C28-C37 Bicyclic Core of (+)-Sorangicin A (Chem. Eur. J. 7/2010) by Mohapatra, Debendra K., Das, Pragna P., Pattanayak, Manas Ranjan, Yadav, J. S.

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Inside Cover: Iodine-Catalyzed Highly Diastereoselective Synthesis of trans-2,6-Disubstituted-3,4-Dihydropyrans: Application to Concise Construction of C28-C37 Bicyclic Core of (+)-Sorangicin A (Chem. Eur. J. 7/2010) by Mohapatra, Debendra K., Das, Pragna P., Pattanayak, Manas Ranjan, Yadav, J. S.

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Protecting-Group Directed Stereoselective Intramolecular Nozaki-Hiyama-Kishi Reaction: A Concise and Efficient Total Synthesis of Amphidinolactone A (Eur. J. Org. Chem. 25/2010) by Mohapatra, Debendra K., Das, Pragna P., Pattanayak, Manas R., Gayatri, Gaddamanugu, Sastry, G. Narahari, Yadav, J. S.

“…The cover picture shows shows how a bulky protecting group directs the intramolecular Nozaki–Hiyama–Kishi reaction to afford exclusively one stereoisomer,…”
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First total syntheses and absolute configuration of rugulactone and 6( R)-(4′-oxopent-2′-enyl)-5,6-dihydro-2 H-pyran-2-one by Mohapatra, Debendra K., Das, Pragna P., Sai Reddy, D., Yadav, J.S.

“…The first efficient total syntheses of rugulactone and 6( R)-(4′-oxopent-2′-enyl)-5,6-dihydro-2 H-pyran-2-one have been achieved in six steps with 51% and 48%…”
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Sub-cellular internalization and organ specific oral delivery of PABA nanoparticles by side chain variation by Yadav, Jhillu S, Das, Pragna P, Reddy, T Lakshminarayan, Bag, Indira, Lavanya, Priyadarshini M, Jagannadh, Bulusu, Mohapatra, Debendra K, Bhadra, Manika Pal, Bhadra, Utpal

“…Organic nanomaterials having specific biological properties play important roles in in vivo delivery and clearance from the live cells. To develop orally…”
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