Calix[4]indoles: New macrocyclic tetra(indolylmethylene) compounds with 2,7-linkages

DOI: 10.1016/0040-4039(95)01516-K

Source and publish data:

Tetrahedron Letters p. 8075 - 8078 (1995)

Update date:2022-08-03

Topics:

Authors:

Black, David StC.

Craig, Donald C.

Kumar, Naresh

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Article abstract of DOI:10.1016/0040-4039(95)01516-K

Some 7-hydroxymethyl-3-aryl-4,6-dimethoxyindoles 1 undergo acid catalysed cyclotetramerisation in addition to cyclotrimerisation to give the calix[4]indoles 3 as well as the calix[3]indoles 2: the tetramers 3, which display a 1,3-alternate cube-like structure, can also be obtained by the acid catalysed dimerisation of 7-hydroxymethyl-2,7'-diindolylmethanes 7.

Full text of DOI:10.1016/0040-4039(95)01516-K

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