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SYNTHESIS OF NOVEL AMINOPHOSPHONIC DERIVATIVES OF BENZO-15-CROWN-5 ETHER

✍ Scribed by Boduszek, Bogdan; Luboch, Elżbieta

Book ID
121424438
Publisher
Taylor and Francis Group
Year
2004
Tongue
English
Weight
125 KB
Volume
179
Category
Article
ISSN
1042-6507

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Lipase-mediated resolution of racemic be
Lipase-mediated resolution of racemic benzo-15-crown-5 ether derivatives
✍ Tatsuro Kijima; Takanori Moriya; Eiki Kondoh; Taeko Izumi 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 113 KB

Racemic large secondary alcohol, 4 -hydroxyethyl-benzo-15-crown-5-ether, (±)-1 was kinetically resolved in high optical yield by asymmetric transformation with Candida antarctica lipase and Pseudomonas cepacia lipase.

Crown Ether-Bearing Dihydroazulens[1]: S
Crown Ether-Bearing Dihydroazulens[1]: Synthesis and Photochromism of a Benzo[15]crown-5 Derivative
✍ Fischer, Christian ;Daub, Jörg 📂 Article 📅 1993 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 395 KB 👁 1 views

Photochromism / Photoresponsive crown ether Photosensitive crown ether 1 composed of 1,8a-dihydroazulene as a photodynamic unit and a benzo[l5]crown-5 ether subgroup has been synthesized from C-Tsubstituted cycloheptatriene 8, which has been obtained by nucleophilic addition of 4-acetylbenzo[l5]crow

The synthesis of anthracene crown ethers
The synthesis of anthracene crown ethers derived from benzo-crown ethers
✍ Ryszard Ostaszewski 📂 Article 📅 1998 🏛 Elsevier Science 🌐 French ⚖ 431 KB

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