Reactor
Comprehensive virtual reactions to explore the available chemical space at large scale.
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Summary
Generate chemically feasible products
Based on defined reaction schemas Reactor performs
virtual reactions on a large number of reactants and generates the
corresponding products. Detailed reaction scheme definition enables
incorporating organic chemistry knowledge to guide the virtual
enumeration. The application is available in the form of a Desktop
application, Command Line Tool, in workflow tools (KNIME, Pipeline
Pilot) and as Java or REST API for programmatic access. |
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Features
Reaction synthesis on your desktop
Reactor
is a high performance, integrable reaction enumeration engine. It works
with generic reaction equations that can be drawn in Marvin or
defined and imported in various different formats, including among
others: SMIRKS/SMARTS strings, RDF, RXN and MRV files. The Reactor
package includes a large and continuously growing library of organic chemical reactions that can be utilized directly, without any further configuration.
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Features
Define your chemical reactions
By using generic reaction equations, virtual
synthetic compound libraries can be generated under full manual
control. Therefore, users have the opportunity to draw and edit
reactants directly, and to select chemically meaningful products from
the output of the enumeration process - by using their chemical
intuition on the fly. This approach is particularly advantageous for
enumerating small, focused libraries.
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Features
Get synthesizable molecules by proper reaction rules
The reaction rules are defined in Chemical Terms,
Chemaxon’s scripting language that is designed to add chemical
intelligence to cheminformatics applications. Through Chemical Terms a
large number of calculated properties can be included in the reaction
rules to produce valid compound libraries. Besides calculating
physicochemical properties on-the-fly, the Chemical Terms language also
supports importing arbitrary fields from the input reactant files used
in the evaluation of the reaction rules.
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Features
Stereochemically aware reactions
Reaction schemes can include stereochemical information. Reactor is
capable of handling both tetrahedral and double bond stereochemistry
flexibly. In addition, inversion and retention centers, as well as
cis-trans configuration changes can be determined within
Reactor’s smart reaction schemes. Prochiral reaction schemes are
also supported since version 5.5, allowing the user to manage syn/anti
additions.
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Features
Library design
Reactor can be set up to carry out simple sequential
enumeration, in which case reactants are virtually reacted with each
other in the order they are present in the input files. Reactor is also
capable of combinatorial enumeration, generating combinatorial virtual
synthetic libraries. Users also have the option to exclude unwanted
products from the enumeration results manually, restricting the outcome
of the reaction enumeration process to the desired main products.
Reactor supports the generation of product or reaction libraries in a
large variety of different output formats.
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Features
Create rich molecular libraries
Reactor has the option to copy arbitrary property fields from the input
reactant files to the results. These can include e.g. solubility or
availability information of the reactants. Also, Reactor can generate
synthesis codes for each reaction in the enumeration process containing
selected information from the reaction scheme and the reactants. |
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Features
A wizard-like user interface
The standalone version of Reactor has a clean and straightforward
graphical user interface for reaction enumeration process
configuration. The GUI leads users step by step through the whole
configuration process of the virtual chemical reaction. |
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Features
Accessibility on various platforms
Reactor is available as a standalone application, as well as integrated
into Instant JChem, JChem Microservices, JChem for Office, and workflow
management tools KNIME and Pipeline Pilot. In its standalone version,
it can be used as a GUI application, as a command line application, and
also as a full-featured Java API. Reactor is platform-independent, it
is available on Windows, Mac OS and Linux systems. |
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Features
Create and test your reactions
Reactor has an integrated reaction sketcher and editor tool. Users can
create their own reaction schemes and add corresponding reaction rules
by using the Chemical Terms language. The created reaction schemes can
be easily tested and the reaction rules can be validated using the
integrated reaction testing tool in Reactor. |
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