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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a βFull Textβ option. The original article is trackable v
Use of 1,3-Dipolar Cycloaddition for the Synthesis of Novel Fluoroquinolones. -A novel synthetic way for the modification of 6-fluoroquinoline-4-one-3-carboxylic acids is presented. The 7-azido-derivative (II) undergoes 1,3-dipolar cycloaddition to several alkenes like norbornene, cyclopentenonorbo
Synthesis of the Pentacyclic Xestobergsterol Skeleton. -The key steps in the synthesis of the pentacyclic skeleton (X) are stereoselective formation of the ynol (VII) and intramolecular Pauson-Khand reaction of the enyne (VIII). Xestobergsterol is a histamine release inhibitor. -(KRAFFT,
Design, Synthesis, and Photophysical Characterization of Novel Pentacyclic Red Shifted Azine Dyes. -The design and synthesis of novel, water soluble azine dyes (VII) and (IX) engineered to absorb in the therapeutic window is described. Incorporation of rigid peripheral dipyrazino rings into these a