Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Eduard R. Martirosian"'
Autor:
Sergey G. Molodtsov, Gary E. Martin, Antony J. Williams, Eduard R. Martirosian, Kirill A. Blinov, Mikhail E. Elyashberg
Publikováno v:
Journal of Chemical Information and Computer Sciences. 44:771-792
StrucEluc is an expert system that allows the computer-assisted elucidation of chemical structures based on the inputs of a series of spectral data including 1D and 2D NMR and mass spectra. The system has been enabled to allow a chemist to utilize fr
Autor:
Kirill A. Blinov, Sergey G. Molodtsov, Antony J. Williams, Eduard R. Martirosian, Gary E. Martin, Mikhail E. Elyashberg
Publikováno v:
Journal of Heterocyclic Chemistry. 40:1017-1029
Characteristic features of a new expert system StrucEluc are described. The system is intended for the structure elucidation of complex organic molecules using a variety of spectroscopic data including 2D NMR. We review here the results of challengin
Autor:
Eduard R. Martirosian, Mikhail E. Elyashberg, Gary E. Martin, Kirill A. Blinov, Antony J. Williams, Sergey G. Molodtsov, Dean V. Carlson
Publikováno v:
Magnetic Resonance in Chemistry. 41:359-372
This paper considers the strategy of the StrucEluc expert system application for structure elucidation of new natural products when there is a lack of connectivity information that is characteristic of proton-deficient molecules. It is shown that in
Autor:
Bruce A. Stiemsma, Antony J. Williams, Eduard R. Martirosian, Thomas J. Thamann, Sergey G. Molodtsov, Gary E. Martin, David J. Russell, Brian D. Kaluzny, Paul L. Schiff, Chad E. Hadden, Ronald C. Crouch, Kirill A. Blinov, Mikhail E. Elyashberg, Jane E. Guido, Wayne K. Duholke
Publikováno v:
Journal of Heterocyclic Chemistry. 39:1241-1250
Identification of degradants of pharmaceuticals is a necessary challenge of the drug development process following the subjection of candidate molecules to a variety of physico-chemical stresses. It would be desirable to be able to conduct such studi
Autor:
Mikhail E. Elyashberg, Antony J. Williams, Eduard R. Martirosian, Sergey G. Molodtsov, Kirill A. Blinov
Publikováno v:
Journal of Natural Products. 65:693-703
Described herein are applications of the latest version of the StrucEluc expert software system, enhanced to use 2D NMR data, to the structure elucidation of 60 recently isolated natural products. In this study, selected molecules containing between
Autor:
Sergey G. Molodtsov, Kirill A. Blinov, Eduard R. Martirosian, Antony J. Williams, Mikhail E. Elyashberg
Publikováno v:
Fresenius' Journal of Analytical Chemistry. 369:709-714
A software program for the automated structure elucidation of complex organic molecules using an expert system and utilizing 2D homo- and heteronuclear correlation 1H, 13C and 15N NMR spectroscopy is described. The methodology is illustrated on the b
Publikováno v:
Laboratory Automation & Information Management. 34:15-30
This article concerns a new expert system for elucidating structures of organic compounds from their spectra, where two principally different molecular generators are used. The system is based on a database of 13 C NMR spectra (135,000 structures), a
Publikováno v:
Analytica Chimica Acta. 348:443-463
Copyright (c) 1997 Elsevier Science B.V. All rights reserved. A great number of spectral tasks were solved to elaborate strategies of molecular structure elucidation by expert systems based on the spectrum-structure correlations. The X-PERT system wa
Publikováno v:
Analytica Chimica Acta. 337:265-286
A new expert system, X-PERT, is described in detail for molecular structure elucidation using IR, 1 H-NMR and 13 C-NMR spectra. The system was designed to provide a high degree of user-friendliness. It features convenient and operationally simple aid
Publikováno v:
SPIE Proceedings.
The described system uses spectrum-structure correlations in IR and NMR spectra, which form a knowledge base of the system. Structural-group analysis of an unknown compound is carried out, then all structural formulas (SF) of isomers are generated an