## 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 “Full Text” option. The original article is trackable v
Synthesis of 3,9,15,19,21,23-Hexaazakekulene
✍ Scribed by Arnaud Tatibouët; Richard Hancock; Dr. Martine Demeunynck; Jean Lhomme
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 263 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
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## Abstract The synthesis of the title compounds (**1** and **3**) is described. Some of the compounds prepared were found to be active against a number of pathogenic microorganisms __in vitro.__ Structure‐activity relationship is briefly discussed.
The readily accessible pregna-5,16-dien-3/l-ol-20-one ( I ) was transformed into 3/l-acetoxy-pregna-5,I7-dien-20-isopropoxy-16one ( 9). This compound was labelled by base-catalyzed isotopic exchange and then reconverted into labelled pregna-5,16-dien-3/l-01-20-one (13). Hydrogenation of this last on