Treatment of calix[4] arenes with 1,3-dichloro-1,1,3,3-tetraisopropyldisiloxane using imidazole as a base yielded O,O%bridged calixarenes in excellent yields, which were subsequently treated with an alkyl halide/base to give O¦,O §-dialkylated products in high yields. These were, in turn, amenable
β¦ LIBER β¦
Calix[4]arenes bridged at the lower rim
β Scribed by Van Loon, Jan Dirk; Kraft, Dagmar; Ankone, Marc J. K.; Verboom, Willem; Harkema, Sybolt; Vogt, Walter; Boehmer, Volker; Reinhoudt, David N.
- Book ID
- 127249085
- Publisher
- American Chemical Society
- Year
- 1990
- Tongue
- English
- Weight
- 478 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0022-3263
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