ChemInform Abstract: Synthesis and Photochromic Properties of 11-Phenoxy-2-phenylnaphth[2,3-f]indole-5,10-dione.
β Scribed by Ekaterina A. Kolodina; Mark S. Shvartsberg; Nina P. Gritsan
- Publisher
- John Wiley and Sons
- Year
- 2009
- Weight
- 32 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0931-7597
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Synthesis of 5H-Pyrazino(2,3-b)indoles from Indole-2,3-dione Derivatives. -The reaction of the N-acetylisatins (I) with ethylenediamine yields the products (III). After dehydrogenation these compounds and their analogues (IV) after deacetylation are cyclized by heating to the title products (VI). N