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Synthesis of Some New Furocoumarins and their Usage in Peptide Synthesis
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Eman M. Keshk
Published/Copyright:
June 2, 2014
1,5-Benzodiazepin-2-ones (3a - d) were obtained fromω-carbethoxy visnaginone or ω-carbethoxy khellinone and substituted 1,2-phenylenediamines. Reactions of active nitriles such as malononitrile and ethyl cyanoacetate with substituted 6-dimethylaminomethylene furocoumarins (4a,b) are described. Additionally, reaction of substituted 6-dimethylaminomethylene furocoumarins with different amino acids gave furochromen-6-ylidenemethyl amino acids (7 - 9). Compound 7 was coupled with glycine ethyl ester to form amino acetic acid ethyl ester (10).
Received: 2002-10-8
Published Online: 2014-6-2
Published in Print: 2003-12-1
© 1946 – 2014: Verlag der Zeitschrift für Naturforschung
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Articles in the same Issue
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- Dinuclear Nickel(II) and Palladium(II) Complexes in Combination with Different Co-Catalysts as Highly Active Catalysts for the Vinyl/Addition Polymerization of Norbornene
- Synthesis and Characterization of N-Methyl-Substituted Germocanes. Crystal Structure of MeN(CH2CH2O)2GeBr2
- Molecular Structure and Thermal Analysis of Potassium Hydrogenphthalate Monohydrate
- Synthese flexibler difluorierter cyclopropanoider Nucleosidanaloga / Synthesis of Flexible Difluorinated Cyclopropanoid Nucleoside Analogues
- Electroreduction of Organic Compounds, 34 [1]. Cathodic Dehalogenation of Chloroarenes with Electron-Donating Substituents
- Kinetics of Oxidation of Benzaldehydes by Quinolinium Dichromate
- New Isoflavonoid from Dipterix odorata
- Frankiamide: A Structural Revision to Demethyl (C-11) Cezomycin
- Xyloccensin M and N, Two New B, D-seco Limonoids from Xylocarpus granatum
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