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Total synthesis of the marine alkaloid Mansouramycin D.
Mansouramycin D, a cytotoxic alkaloid was isolated from a marine Streptomyces sp. in 2009. The first, simple, and concise route to the total synthesis of Mansouramycin D is reported. The core… Expand
A General Method for the Synthesis of 5H‐Benzo[b]‐, Carbazolo[2,3‐b]‐ and Indolo[2,3‐b]carbazole Derivatives via Copper(II) Triflate‐Catalyzed Heteroannulation
A straightforward approach for the construction of 5H-benzo[b]-, carbazolo[2,3-b]- and indolo[2,3-b]carbazole derivatives has been developed by using copper(II) triflate-catalyzed heteroannulation.
Anisaldehyde-4-phenyl-3-thiosemicarbazone as an analytical reagent for the extractive spectrophotometric determination of gold
The synthesis, spectral characteristics and analytical applications of anisaldehyde-4-phenyl-3-thiosemicarbazone (APT) are described. A simple, rapid, selective and sensitive spectrophotometric… Expand
Metal-free synthesis of benzimidazo[2,1-a]ellipticines via tandem inter and intramolecular cyclization
Synthesis of the new benzimidazo[2,1-a]ellipticine derivatives via tandem inter and intramolecular, 5-endo,6-endo cyclization of various 9-ethyl-2-(alkynyl)carbazole-3-carbaldehydes with different… Expand
An efficient synthesis of indol-3-yl benzonaphthyridines via copper(II) triflate-catalyzed heteroannulation
Abstract An efficient and convenient method for the synthesis of indol-3-yl benzo[b][1,6]- and benzo[c][2,7]naphthyridines via copper(II) triflate-catalyzed heteroannulation is reported. This method… Expand
Copper-catalyzed heteroannulation: a simple route to the synthesis of pyrrolo[2,3-b]carbazole and pyrrolo[2,3-b]quinoline derivatives
Abstract A simple and efficient method for the synthesis of biologically important pyrrolo[2,3-b]carbazoles and pyrrolo[2,3-b]quinolines is described. This involves the reaction of corresponding… Expand
Rapid Extraction Spectrophotometric Determination of Platinum Using Anisaldehyde-4-Phenyl-3-Thiosemicarbazone as a Chromogenic Reagent
Abstract The synthesis, spectral characteristics and analytical applications of anisaldehyde-4-phenyl-3-thiosemicarbazone (APT) are described. A simple, rapid, selective and sensitive… Expand
Synthesis of [ArTe(DTC/XNT)(NaDTC/XNT)] (DTC = dithiocarbamate and XNT = xanthate) through ligand substitution reactions of arylbis(thiosemicarbazone)tellurium(II) chloride
Abstract [ArTe(XTSC) 2 ]Cl (XTSC = benzaldehyde/salicylaldehyde thiosemicarbazone) reacts with sodium salts of dithiocarbamates (DTC) and xanthates (XNT) in a 1 : 2 molar ratio resulting in the… Expand
Synthesis of solid state fluorescent quino[2,3-b]carbazoles via copper(II) triflate-catalyzed heteroannulation: application to detection of TNT
Abstract New analogues of solid state fluorescent quino[2,3-b]carbazoles have been synthesized from heteroannulation of quinoline alkynylaldehyde and indole. Their preliminary photophysical… Expand
Total synthesis of the marine alkaloids Caulibugulones A and D
Abstract Total synthesis of the marine cytotoxic alkaloids Caulibugulones A and D is accomplished in three steps with an overall yield of 60–62% from easily accessible starting materials. The key… Expand