Crown ethers of low symmetry. Spiro crown ethers and 16-crown-5 derivatives
โ Scribed by Ouchi, Mikio; Inoue, Yoshihisa; Sakamoto, Hidefumi; Yamahira, Atsushi; Yoshinaga, Masanobu; Hakushi, Tadao
- Book ID
- 120441809
- Publisher
- American Chemical Society
- Year
- 1983
- Tongue
- English
- Weight
- 794 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0022-3263
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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
The Synthesis of Anthracene Crown Ethers Derived from Benzo-Crown Ethers. -A method to obtain anthracene crown ethers starting from benzo-15-crown-5-ether and benzo-18-crown-6-ether and various aldehydes is described. The yield strictly depends on the aldehyde. Cyclohexanone leads to a new class of