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CH, B.H H a k e t t l Structure J Rheumatol 8, 783 (1981) is very good.
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Entropy is a database program that manages chemical documents — giving order to data that is otherwise unmanageable. Unlike table-based database programs, Entropy gives you the freedom to put text and graphics anywhere on the page. Unformatted records, including all imported documents, can be searched by text string, structure, or substructure. Use Entropy to archive structure drawings, track samples and test results, store commonly used forms or manage an inventory. Circle the reader service number to receive more information about Entropy.
Request a FREE copy of The SoftShell Catalog. Each issue contains many new products. Current products include: chemical structure drawing software (ChemWindow, Chemlntosh & ChemWeb), laboratory glassware, NMR simulation and prediction, mass spectrometry, graphing, curve fitting, process flow drawings, and much more. Circle the reader service number to receive a FREE subscription.
ChemWeb is a FREE structure drawing program for electronic publishing on the Internet's World-Wide Web. It has the drawing capabilities of ChemWindow or Chemlntosh plus it creates GIF graphics that can also be opened and edited. With ChemWeb, ChemDraw and ISIS/Draw users can convert their structure drawing files into the GIF format. Download ChemWeb from http://www.softshell.com or circle the reader service number to receive more information.
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RxnDriller
gNMR
SoftShell Online
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I v u Brit described by Voapriefatn in 1897 and is used it the prepared ofmocpbJne-Tl* chemical 01 ELS-ALDER CYCLOADDITION Dlels-Alder reaction* are often difficult to understand, but are extreme!g important. They are unlike other alkene reactions In that they occur by a cyclic mechanism nvolving a diene and a dienophile. The net result is the production of a cuclohexene ng. This is one of the few ways to make a nng, be sure you know it.
Off form* tad may be re-eptned by ChemWeb or SoBShdr* other drawing pcef/ams and edted. available
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RxnDriller is a Macintosh application for learning more than 230 organic reactions. For each reaction there is a detailed drawing of the starting compound and the reagents used. RxnDriller is set up like a collection of "electronicflashcards"divided into 14 distinct reaction categories. You can display the product of the reaction or a short, detailed description. The reactions are concise and accurate — providing what may be the easiest possible method for learning basic reactions. Circle the reader service number to receive more information on RxnDriller.
gNMR is a Macintosh application designed to save hours in the analysis of higher-order NMR spectra. The software simulates one-dimensional NMR spectra of single molecules or mixtures containing as many as 12 different NMR-active nuclei. gNMR comes with a utility to convert spectra to the gNMR format. The program optimizes the various NMR parameters to fit the calculated spectrum to the experimental spectrum. Circle the reader service number to receive more information on gNMR.
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SoftShdl
can be drawn in just a lew minute*. The drawing process if reetjr n most oflhe basic parti can be created in a single cfck. There are tools tor imp. bonds, arrows, etc Common atom labels can be added to a structure in a satfe keystroke. ChemWeb istot.easy to use. and best of at «*«fiveat bttpyfwww.foftiha.com.
Do you have access to the Internet? We invite you to join SoftShell Online. Our FREE Web site is a gathering place for chemistry professionals and students where opinions, interests, research, and job openings can be shared. Our Web site is frequently updated and offers lots of valuable information for chemists. It also provides technical documentation and support for SoftShell customers. Visit us at http://www.softshell.com. CIRCLE 7 ON READER SERVICE CARD
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