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Molbank, Volume 2005, Issue 4 (October 2005) – 10 articles

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6,10,14,18-Tetramethyl-1,5,10,14,19,20-hexaaza-tricyclo[14.2.1.15,8]eicosa-6,8(20),16(19),17-tetraene
Molbank 2005, 2005(4), M440; https://doi.org/10.3390/M440 - 01 Oct 2005
Viewed by 2397
Abstract
Macrocyclic chemistry is one of the fastest growing fields in chemistry.[...] Full article
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Asymmetric Synthesis of a New Monocyclic β-Lactam as a potential biological active compound
Molbank 2005, 2005(4), M439; https://doi.org/10.3390/M439 - 01 Oct 2005
Viewed by 1204
Abstract
The asymmetric synthesis of monocyclic β-lactams belong to five categories: a) asymmetric induction from the imine component; b) asymmetric induction from the ketene component; c) double stereodifferentiating cycloadditions; d) carbacephem intermediates and e) 2-oxaisocephems and 2-isocephems.[...] Full article
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Synthesis of (4-chlorobenzylidene)-(2-chloropyridi-3-yl)amine
Molbank 2005, 2005(4), M438; https://doi.org/10.3390/M438 - 01 Oct 2005
Viewed by 1398
Abstract
Schiff bases are widely in use for synthetic purposes both by organic and inorganic chemists.[...] Full article
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Synthesis of 3,3´-[methylenebis(3,1-phenylenenitrilo)]bis[1,3-dihydro]-2H-indol-2-one as a novel bis-Schiff base
Molbank 2005, 2005(4), M437; https://doi.org/10.3390/M437 - 01 Oct 2005
Cited by 5 | Viewed by 1681
Abstract
Isatin (1H-indole-2,3-dione) was first obtained by Erdman and Laurent in 1841 as a product from the oxidation of indigo by nitric and chromic acids [1].[...] Full article
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Synthesis of N-(2-hydroxy-3-methoxybenzylidene) - 2, 3, 4, 6-tetra-O-acetyl -β-D galactopyranosylamine as a new chiral Schiff base for asymmetric [2+2] cycloadditions
Molbank 2005, 2005(4), M436; https://doi.org/10.3390/M436 - 01 Oct 2005
Viewed by 1565
Abstract
The importance of carbohydrates for asymmetric synthesis is well recognized [1,2,3,4].[...] Full article
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Synthesis of β-D galactopyranosyl amino-(N-salicylidene) - 2, 3, 4, 6-tetra-O-acetate as a new chiral Schiff base for asymmetric transformations
Molbank 2005, 2005(4), M435; https://doi.org/10.3390/M435 - 01 Oct 2005
Viewed by 1638
Abstract
Carbohydrates constitute a class of inexpensive natural products of high chiral content [1].[...] Full article
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Semicarbazone and Thiosemicarbazone of 5-acetyl-3-(methylsulfanyl)-1,2,4-triazine
Molbank 2005, 2005(4), M434; https://doi.org/10.3390/M434 - 01 Oct 2005
Cited by 1 | Viewed by 1369
Abstract
Semicarbazone as well as thiosemicarbazone of 5-acetyl-3-(methylsulfanyl)-1,2,4-triazine were synthesised as reactive intermediates for the synthesis of 1H-pyrazolo[4,3-e][1,2,4]triazine derivatives via acid promoted ring closure [1,2,3].[...] Full article
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3-Nitropyridin-2-yl hydrazone of 5-Acetyl-3-phenyl-1,2,4-triazine
Molbank 2005, 2005(4), M433; https://doi.org/10.3390/M433 - 01 Oct 2005
Viewed by 1275
Abstract
In continuation of previous work on the polyfunctionally substituted 1H-pyrazolo[4,3-e][1,2,4]triazine [1,2] we have reported here preparation of 3-nitropyridin-2-yl hydrazone of 5-acetyl-3-phenyl-1,2,4-triazine 3 being valuable intermediate for the synthesis of nitro derivative of this ring system.[...] Full article
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3-Bromomethyl-1,5-diphenyl-1H-pyrazolo[4,3-e][1,2,4]triazine and 3-Dibromomethyl-1,5-diphenyl-1H-pyrazolo[4,3-e][1,2,4]triazine
Molbank 2005, 2005(4), M432; https://doi.org/10.3390/M432 - 01 Oct 2005
Viewed by 1364
Abstract
As part of our research programme we have synthesized the title compounds as valuable intermediates for the preparation of acyclonucleosides-biologically active molecules.[...] Full article
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5-Methoxy-1,3-dimethyl-1H-pyrazolo[4,3-e][1,2,4]triazine
Molbank 2005, 2005(4), M431; https://doi.org/10.3390/M431 - 01 Oct 2005
Viewed by 1383
Abstract
O- and N-alkyl derivatives of pyrazolo[4,3-e][1,2,4]triazine, isolated from the cultural fluids of Pseudomonas fluorescens and Nostoc spongiaeforme exhibit antimicrobial and antitumor activity [1,2].[...] Full article
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