Wittig reaction on calixarene upper rim. Access to conjugated bipyridyl and pyridyl podands

DOI: 10.1016/0040-4039(96)01348-2

Source and publish data:

Tetrahedron Letters p. 6311 - 6314 (1996)

Update date:2022-08-17

Topics:

Authors:

Regnouf-de-Vains, Jean-Bernard

Lamartine, Roger

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Article abstract of DOI:10.1016/0040-4039(96)01348-2

Monoformyl-tris-(p-Bu(t)calix[4]arene was synthesised and reacted in smooth conditions with phosphonium salts of 6-bromomethyl-6'-methyl-2,2'-bipyridine and 2-chloromethyl-pyridine, affording the corresponding conjugated mono-armed macrocycles.

Full text of DOI:10.1016/0040-4039(96)01348-2

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