Titlebook: Enzymes as Catalysts in Organic Synthesis; M. P. Schneider Book 1986 D. Reidel Publishing Company, Dordrecht, Holland 1986 carbon.natural

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On The Use of Viologen Dyes for Stereospecific Bioreductionch as l,l’-dimethyl-4,4’-bipyridinium cation radical (MV.). Reduced viologens can be regenerated electrochemically or enzymatically with hydrogenases or formate dehydrogenases. Many cells possess enzymes which reduce NAD or NADP at the expense of MV. Such an enzyme, which reduces NAD as well as NADP

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Use of Microorganisms for the Resolution of Synthetically Useful Bicyclo[3.2.0]Hept-2-En-6-Onesne was reduced using actively fermenting bakers’ yeast to give the corresponding .-ol and .-ol. In both cases the 5-configuration was prevalent at the newly created chiral centre. The same bicyclic ketone was converted into optically active 6S-.-ol and enantiomerically enriched starting material usi

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dendrites

Munificent

Discrete

Application of Microbial Transformations in the Total Synthesis of Natural Productsetol products of high enantiomeric excess. The scope and versatility of this method for a variety of substrates was examined and the integration of selected microbial products in synthetic strategies to various natural products including the trichothecene mycotoxins was illustrated. Yeast reduction

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Constrain

Synthesis of Enantiomerically Pure Unnatural Compounds Via Non-Biomimetic Homoaldol Reactionsnds formed serve as homoenolate reagents and add to aldehydes and ketones with high γ-regioselectivity to yield enol carb-amates of 4-oxy-alkanals or -alkanones. After exchange of the cation by titanium or aluminium reagents, the addition proceeds with high. or . diastereoselectivity. Altogether, th

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Aldolases as Catalysts in Organic Synthesis-specific carbon-carbon bond formation catalyzed by aldolases is one of the most efficient and practical route to common and uncommon sugar derivatives. Detailed studies on the synthetic application of FDP aldolase-catalyzed condensation indicate that enzymatic aldol reactions seem to have genuine v

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Immobilised Redox Enzymes and Their Use as Catalysts for Fine Chemical Synthesisterms of electrochemical regeneration of NAD(P). and NAD(P)H and on the choice of, and immobilisation of, redox enzymes. Model reactors constructed for the production of 6-phosphogluccnate and cinnamyl alcohol are discussed in detail. The future of enzymes in catalysing hydroxylation reactions in te