A novel synthesis of hemispherands

Ryszard Ostaszewski; Willem Verboom; David Reinhoudt

doi:10.1055/s-1992-22013

A novel synthesis of hemispherands

Ryszard Ostaszewski, Willem Verboom, David Reinhoudt

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Abstract

A novel, flexible synthesis of hemispherands {2,5,8-trioxa[9](3,3″) m-terphenylophanes 5a-d} with different central aromatic groups is described. The key step comprises the introduction of the central aromatic ring in the last step of the synthesis via a Suzuki cross-coupling reaction using palladium tetrakis(triplienylphosphine) as a catalyst and sodium or potassium cations serving as a template ion in the macrocyclization.

Original language	Undefined
Pages (from-to)	354-356
Number of pages	3
Journal	Synlett
Volume	0
Issue number	4
DOIs	https://doi.org/10.1055/s-1992-22013
Publication status	Published - 1992

Keywords

METIS-106779
IR-12598

Access to Document

10.1055/s-1992-22013

K12598__

Cite this

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title = "A novel synthesis of hemispherands",

abstract = "A novel, flexible synthesis of hemispherands {2,5,8-trioxa[9](3,3″) m-terphenylophanes 5a-d} with different central aromatic groups is described. The key step comprises the introduction of the central aromatic ring in the last step of the synthesis via a Suzuki cross-coupling reaction using palladium tetrakis(triplienylphosphine) as a catalyst and sodium or potassium cations serving as a template ion in the macrocyclization.",

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T1 - A novel synthesis of hemispherands

AU - Ostaszewski, Ryszard

AU - Verboom, Willem

AU - Reinhoudt, David

PY - 1992

Y1 - 1992

N2 - A novel, flexible synthesis of hemispherands {2,5,8-trioxa[9](3,3″) m-terphenylophanes 5a-d} with different central aromatic groups is described. The key step comprises the introduction of the central aromatic ring in the last step of the synthesis via a Suzuki cross-coupling reaction using palladium tetrakis(triplienylphosphine) as a catalyst and sodium or potassium cations serving as a template ion in the macrocyclization.

AB - A novel, flexible synthesis of hemispherands {2,5,8-trioxa[9](3,3″) m-terphenylophanes 5a-d} with different central aromatic groups is described. The key step comprises the introduction of the central aromatic ring in the last step of the synthesis via a Suzuki cross-coupling reaction using palladium tetrakis(triplienylphosphine) as a catalyst and sodium or potassium cations serving as a template ion in the macrocyclization.

KW - METIS-106779

KW - IR-12598

U2 - 10.1055/s-1992-22013

DO - 10.1055/s-1992-22013

M3 - Article

SN - 0936-5214

VL - 0

SP - 354

EP - 356

JO - Synlett

JF - Synlett

IS - 4

ER -