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Preparation of Methyl- and Ethyl-Substituted Monocarbahexaboranes(9) and Dicarbaclovoheptaboranes(7)

✍ Scribed by Dr. R. Köster; Dr. M. A. Grassberger

Publisher
John Wiley and Sons
Year
1966
Tongue
English
Weight
258 KB
Volume
5
Category
Article
ISSN
0044-8249

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Preparation of 6-, 7-, and 8-substituted
Preparation of 6-, 7-, and 8-substituted derivatives of 2-Oxa-1,3,4,10-tetraazacyclopenta[b]fluoren-9-one
✍ Larry D. Bratton; Paul C. Unangst; J. Ronald Rubin; Bharat K. Trivedi 📂 Article 📅 2001 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 117 KB

## 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