S. Chakraborty

Publications23
h-index6
Citations119
Highly Influential Citations0
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RhIII -Catalyzed Direct C8-Arylation of Quinoline N-Oxides using Diazonaphthalen-2(1H)-ones: A Practical Approach towards 8-aza BINOL.
An efficient RhIII -catalyzed redox-neutral method for the direct C8-arylation of quinoline N-oxides using diazonaphthalen-2(1H)-one as coupling partner has been demonstrated. The developed method is…
Synthesis, Rearrangement, and Hauser Annulation of 3-Isocyanophthalides
3-Isocyanoisobenzofuran-1(3H)-ones (phthalides) were prepared in two steps from the corresponding phthalaldehydic acids. The 3-isocyanoisobenzofuran-1(3H)-ones are readily rearranged to the…
Studies directed toward total synthesis of rhodocomatulins: A regioselective synthesis of brominated hydroxyanthraquinones by anionic annulations
ABSTRACT In this work, brominated hydroxyanthraquinones, which are the core structural motif of naturally occurring bromorhodocomatulins, were successfully synthesized using Hauser annulation…
A Representative Synthetic Route for C5 Angucycline Glycosides: Studies Directed toward the Total Synthesis of Mayamycin.
TLDR
This study discloses an efficient synthetic route for the regiospecific construction of a C5 glycoside angucycline representative of mayamycin through utilization of α-lithiation of a vinyl ether.
Regioselective synthesis of naphthoquinone/naphthoquinol-carbohydrate hybrids by [4 + 2] anionic annulations and studies on their cytotoxicity.
TLDR
The in vitro cytotoxic activity of the synthetic naphthoquinone/naphthonol-carbohydrate hybrids were evaluated against the human cervical cancer cell line (HeLa), and a few of them were found to exhibit potent anticancer activity against the cell line.
The chemistry of pyrrolic compounds. LII. The preferred pathway of electron delocalization in metalloporphyrins
Measurement of the proton coupling constant in the allylic unit, CH3-C=C-H, of the zinc(II), nickel(II) and magnesium(II) chelates of the deuteroporphyrin isomer (3a) points in each case to the…
TMSCN-PhI(OAc)2 Promoted Synthesis of 3-Cyanophthalides from Phthalaldehydic Acids
Trimethylsilyl cyanide (TMSCN) in the presence of PhI(OAc)2 and BF3.OEt2 in dichloromethane is shown to be effective for direct conversion of phthalaldehydic acids into 3-cyanophthalides at rt in…
Chain transfer in presence of halogens in the polymerization of methylmethacrylate
Deleterious effect of 7-methyl group on glycosylation of 2-naphthols
C-Glycosylation of Substituted β-Naphthols with Trichloroacet­imidate Glycosyl Donors
TLDR
Among various glycosyl donors, trichloroacetimidate gly cosyl donors are found to be superior for Glycosylation with substituted 2-naphthols.
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