Biocatalysis has become an established technology for the industrial manufacture of fine chemicals and active pharma. The application of enzymes as catalysts for chemical synthesis, has become a valuable tool for the synthetic chemist. Enzymatic transformations carried out by partially purified enzymes or whole-cell catalysts are used for the production of a wide variety of chemicals, from bulk to fine chemicals.
In recent years, chemical companies have embraced biocatalysis for the manufacture of desired stereoisomers, and new or improved methods for the synthesis of enantiomerically pure alpha- and beta-amino acids, amines, amides, peptides, nitriles, alcohols etc. have emerged.
Furthermore, the selectivity and mild operational conditions of biocatalysts are increasingly applied in industry to modify complex target molecules. These recent innovations in the manufacture of industrial fine chemicals using biocatalysis are discussed from an industrial perspective.
Several procedures have been reported for the development of biocatalytic processes comprising integrating biocatalysts into a variety of industrially interesting processes ranging from the manufacture of smaller, chiral speciality chemicals to the synthesis of more complex pharmaceutical intermediates. The use of rational protein design, multistep processes and de novo design of enzyme catalysts for the stereocontrolled preparation of important target structures further contributed to its success.
Procedures have been established for biocatalytic single-step reactions. Multi-step reactions and multi-component reactions enable an approach where biocatalytic reactions work together in one compartment and reactions hindering each other within different compartments or steps. The understanding of the catalytic functions of known and new enzymes is key for the development of new sustainable chemical transformations.
Enzymes immobilized on membranes
ChiralVision is partner in the EU subsidized MACBETH project which provides a breakthrough technology of highly efficient catalytic membrane reactor for advanced downstream processing by combining catalytic synthesis with the corresponding separation units in a single reactor.
With this technology a reduction of greenhouse gas emissions and an increase in resource and energy efficiency of large volume industrial processes can be achieved. The revolutionary new reactor design will guarantee substantially smaller and safer production plants and thus reduce operational and investment costs.
To demonstrate the exploitation potential, MACBETH will extend the catalytic membrane reactor technology to the field of biotechnology, as most biotechnological reactions involve the use of bacteria or enzymes, which are special types of catalysts. In this field, the selective enzymatical cleavage of fatty acids is of particularly high commercial interest. Based on alarge variety of already established building blocks (such as catalysts, membranes, support materials and reactor concepts) a demo plant for bio-catalytical oil cleavage (BOC) will be developed, showing the commercial applicability of catalytic membrane reactor in biotechnology for the first time.