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ChemInform Abstract: 2- and 2,7-Substituted Iodonium/Diiodonium Salts Derived from Xanthene, Xanth-9-one, Fluorene, and Fluoren-9-one.

✍ Scribed by A. N. FARHAN; L. SKULSKI; A. KRYSKA

Book ID: 101860095
Publisher: John Wiley and Sons
Year: 2010
Weight: 32 KB
Volume: 28
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199750144

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## Abstract The preparation of a variety of derivatives of 2‐oxa‐1,3,4,10‐tetraazacyclopenta[__b__]fluoren‐9‐one 1 is described. A series of substituted indan‐1‐ones were prepared and oxidized with __N__‐bromosuccinimide and dimethyl sulfoxide to the corresponding ninhydrin derivatives. Cyclization