The synthesis of crowned phenoselenazinone derivatives
β Scribed by Nadeem Iqbal; Yoshio Ueno
- Publisher
- Springer Vienna
- Year
- 1992
- Tongue
- English
- Weight
- 212 KB
- Volume
- 123
- Category
- Article
- ISSN
- 0026-9247
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The sulfuric acid-promoted reaction of benzo-15-crown-5 O) and benzo-18-crown-6 (6) with aliphatic aldehydes, leading to the formation of anthracene crown et~rs, was studied. A substantial substiment effect on the reaction comse was found. For the isdmtyi group the highest yield was obtained, while