Tetrahedron Letters p. 2705 - 2708 (1985)
Update date:2022-08-04
Topics: IR spectroscopy TLC Elemental analysis Nitro group Functionalization Regioisomer Alkylation Crown ethers Conversion Spectrophotometry Purification
Agai, Bela
Bitter, Istvan
Hell, Zoltan
Szoelloesy, Aron
Toeke, Laszlo
The crown ether rings in 4-nitrobenzo-15-crown-5 and -18-crown-6 are cleaved by aqueous alkali affording long chain substituted pyrocatechols which proved to be good starting material for constructing crown ether rings other than the original one.
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