Download e-book for kindle: Bioorganic Chemistry: Models and Applications by F.P. Schmidtchen

By F.P. Schmidtchen

ISBN-10: 3540613889

ISBN-13: 9783540613886

Many organic platforms nonetheless carry quite a few very fascinating molecular houses that to date can't be matched by means of manmade analogs. studying in regards to the ideas and methods utilized by nature could provide entry to novel nanostructures, more suitable catalysts for the functionalization of hydrocarbon compounds or might allow catalytic C-C bond formation lower than environmentally benign stipulations. This quantity recapitulates the state-of-the-art in these sectors of bioorganic chemistry that, instead of mimick the common instance, objective to make use of the underlying rules for priceless purposes.

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5 Introduction .............................. Thiolate Coordinating Iron Porphyrins .............. P450 A n a l o g u e s with S u b s t r a t e R e c o g n i t i o n Sites . . . . E l e c t r o n Deficient M e t a l P o r p h y r i n s ............... Reductive O x y g e n Cleavage . . . . . . . . . . . 3 Final Comment . . . . . . . . . . . . . . . . 92 4 References . . . . . . . . . . . . . . . . . 93 Topics in Current Chemistry, Vol. -D. 1 Introduction The significance of cytochrome P450 catalyzed reactions has now been recognized for more than 30 years [1] as one of nature's most common and sophisticated methods to oxidize endogeneous compounds in procaryotic and eucaryotic organisms.

Of these receptors, only the shorter one (55), which has the two porphyrin amino acids separated by two alanines, exhibited a strong binding selectivity for 1,5-diaminopentane in a binding study with diaminoalkanes (Fig. 19). This selectivity is due to the cooperative action of the two zinc porphyrins in the complexation of diaminopentane. It is noteworthy that the longer and more flexible receptors 59 and 60 do not complex the diaminoalkanes by using the two binding side chains. It is conceivable that these peptidic receptors could selectively bind more rigid substrates that have two more distant amino groups.

49) 25 Normand Voyer and 63 have their two binding side chains oriented for complexation. In addition to the development of selective transporters of biogenic amines, these studies demonstrated experimentally the importance of aromatic-aromatic interactions in the complexation of these neurotransmitters. In biological recognition phenomena, protein-protein interactions are of primary importance. In an attempt to mimic these processes, LaBrenz and Kelly [51] synthesized the peptidic host 64. In this receptor, the dibenzofuran template separates the two peptide units by roughly 10/~ and allows for the complexation of a guest peptide (65), as depicted in Fig.

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Bioorganic Chemistry: Models and Applications by F.P. Schmidtchen

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