Frequently asked questions


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If you have any further questions, please do not hesitate to get in contact with us.
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  Registration
  Login
  Content of SPRESIweb
  Prices
  Word Wide Web
  Software problems
  Directions for Use


   Registration

How can I get a demo account for one week?
Click on the menu Free Demo Account and complete the form "SPRESIweb Online Registration" with your name and address. Your user name and your password will be sent immediately to the address you entered. Your access will be valid for one week.  

How can I subscribe directly for SPRESIweb?
Mail us an email with your complete address. Additional, please mention if you are an academic or commercial user, how many seats you wish and the desired starting date of your access. You will get access via a password and username or via your IP-address for one year, a General Terms of Conditions and two agreements you have to sign.   
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   Login

How do I login?
Click on the menu Password Login and you get to the login page of SPRESIweb where you have to type in your password and username provided by Infochem after your registration. Then click on the login button to complete the process.  

What types of logins are available?
You can get an access via password and username or via your IP-address.  

I forgot my username/password. How do I get it again?
Send us an email with your address and your billing number and we will mail your access data.   

I got the error: Your session has expired. What is the problem?
After 30 minutes of inactivity the session will be finished automatically. You need to login again to proceed.   

I cannot login. What is the reason?
Check your browser options. To run SPRESIweb JavaScript has to be enabled.
If you work with a German version of Netscape you can enable JavaScript under Bearbeiten-> Einstellungen-> Erweitert.
If you have an English version of Netscape you have to choose edit-> preferences-> advanced-> enable javascript.
If you use a German version of the Microsoft Internet Explorer you can enable Javascript under Extras-> Internetoptionen-> Erweitert.
If using an English version of the Microsoft Internet Explorer please check the menu point tools-> options-> securities-> internet zone-> custom level and enable java and javascript.
You might have to restart the browser to confirm your changes.   

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   Content


What do I need if I want to use ICEDIT for drawing structures?
To use the ICEDIT Javascript has to be activated and popups have to be allowed.   

What does the acronym SPRESI stand for?
SPRESI stands for SPeicherung und REcherche Strukturchemischer Information (Storage and Retrieval of Chemical Structure Information), because historically SPRESI was built as a structural databases by All-Union Institute of Scientific and Technical Information of the Academy of Sciences of the USSR (VINITI) and the German Zentrale Informationsverarbeitung Chemie, Berlin (ZIC).   

How many molecules does SPRESIweb contain?
The SPRESIweb database contains over 5.8 million molecules abstracted from the literature.   

How many reactions can you find using SPRESIweb?
SPRESIweb contains over 4.6 million reactions.   

Which are the literature sources for the data in SPRESIweb?
The SPRESIweb data have been abstracted from over 1350 literature sources, mostly journals such as
  • Tetrahedron Letters,
  • Journal of Organic Chemistry,
  • Tetrahedron,
  • Journal of the American Chemical Society,
  • Journal of Heterocyclic Chemistry,
  • Synthesis,
  • Liebigs Annalen der Chemie,
  • Journal of Organometallic Chemistry and
  • Angewandte Chemie.

Which catalog data of chemicals suppliers are available?
The following catalog data of chemicals suppliers are available:

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   Prices


How much does a subscription for a single-user cost?
For price information please get in contact with us  .

Do you offer a discount for academic users?
Yes, you can get a discount of 50%.  

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   World Wide Web


Which browser does SPRESIweb support?
SPRESIweb is designed to work with Microsoft Internet Explorer and Firefox.   

I cannot login. Why?
Check your browser options. SPRESIweb requires JavaScript to be enabled.
If you work with a German version of Netscape you can enable JavaScript under Bearbeiten-> Einstellungen-> Erweitert.
If you have an English version of Netscape you have to choose edit-> preferences-> advanced-> enable javascript.
If you use a German version of the Microsoft Internet Explorer you can enable Javascript under Extras-> Internetoptionen-> Erweitert.
If using an English version of the Microsoft Internet Explorer please check the menu point tools-> options-> securities-> internet zone-> custom level and enable java and javascript.
You might have to restart the browser to confirm your changes.   


Back to overview  Back to overview

   Software



Which browser does SPRESIweb support?
SPRESIweb is designed to work with Microsoft Internet Explorer and Firefox.   

Which operating system does SPRESIweb support?
SPRESIweb is designed to work with Windows.   

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   Directions for Use


How can I save/open/delete queries?
To save a query you first have to submit the query by clicking on the search button. By clicking on the menu query option save the dialog SPRESIweb save query will be opened. The last query can be saved on the server with the desired name. Type a name for the query (up to 10 characters) in the input field. By clicking on the icon with the disk the query will be saved with the given name on the server. Only the user can see his own saved queries.

To open a query you have to click on the menu query option open . The dialog SPRESIweb open query will be displayed. Select a query from the list of saved queries. Click on the icon next to the list to reopen the query, then click on the search button to reactivate that query.

To delete a query you have to click on the menu query option delete. Then the dialog SPRESIweb delete query will be displayed. Select a query from the list of saved queries. To delete the query click the icon next to the drop down list.   

How can I save/open/delete hitlists?
To save a hitlist you first have to click on the menu hitlist option save. Then the dialog SPRESIweb save hitlist will be opened. The last hitlist can be saved on the server with the desired name. Type a name for the hitlist (up to 10 characters) in the input field. By clicking on the icon with the disk the hitlist will be saved on the server with the given name. Only the user can see his own saved hitlists.

To open a hitlist you have to click on the menu hitlist option open. Then the dialog SPRESIweb open hitlist will be displayed. Select a hitlist from the list of saved hitlists. Click on the icon next to the list to reopen the hitlist. With the saved hitlist you can start your search again.

To delete a hitlist you have to click on the menu hitlist option delete. Then the dialog SPRESIweb delete hitlist will be displayed. Here a saved hitlist can be selected from the list of saved hitlists and by clicking on the icon next to the drop down list the hitlist can be deleted.  

Are my saved queries/hitlists lost when I logout?
No, your saved queries/hitlists are not lost if you are a password user. If you have saved your query or hitlist, then this query/hitlist will be on the server available only for you. Only if you delete this query/hitlist the query/hitlist will be lost.
If you are an IP- user your saved queries/hitlists are lost. To keep your queries/hitlists you need to export the query/hitlist on your pc and export the query/hitlist for a later session.  

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