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Synthesis and reaction of a new type of 5-deazaflavin with axial and planar chirality

โœ Scribed by Tetsuji Kawamoto; Kiyoshi Tanaka; Fumio Yoneda; Jun-ichi Hayami

Publisher
Elsevier Science
Year
1989
Tongue
French
Weight
250 KB
Volume
30
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

A new type of 5-deazaflavin derivative with axial and planar chirality was synthesized as a fl.avcenzyme model. A novel optical resolution gave an enantiomeric pair of ths 5deazaflavins la,b, Cbmpoundsla,b were optically stable and effectively discriminated FWPH enantiomers in a model reaction of interccenzyme hydrogen transfer.

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## Abstract A versatile system for preparing macrocyclic compounds with planar chirality is presented. In this system chiral diazacoronands are synthesized readily from lariatโ€type diesters **13** and **14** and unsymmetrical diamines **7, 8, 12, 15**, and **16** under nonโ€highโ€dilution conditions.