Tetra-tert-butyltetraoxa[8]circulene and Its Unusual Aggregation Behaviour

被引：57

作者：

Brock-Nannestad, Theis ^{[1
]}

Nielsen, Christian B. ^{[1
]}

Schau-Magnussen, Magnus ^{[1
]}

Hammershoj, Peter ^{[1
]}

Reenberg, Theis K. ^{[1
]}

Petersen, Asger B. ^{[1
]}

Trpcevski, Denis ^{[1
]}

Pittelkow, Michael ^{[1
]}

机构：

[1] Univ Copenhagen, Dept Chem, DK-2100 Copenhagen O, Denmark

来源：

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY | 2011年 / 2011卷 / 31期

关键词：

Supramolecular chemistry; Aggregation; Cooperative effects; Conjugation; Macrocycles; Heterocycles; CONDENSATION PRODUCTS; COMPLEX OXIDATION; PI; OLIGOMERIZATION; MACROCYCLES; QUINONES; PHENOLS; MODEL;

D O I：

10.1002/ejoc.201100966

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

We describe the first example of the synthesis of a tetraoxa[8]circulene with only four substituents by means of BF3 center dot OEt2 mediated tetramerisation of tert-butyl-1,4-benzo-quinone. Two of the four regioisomers of tetra-tert-butyltetraoxa[8]circulene have been isolated and characterised by single-crystal X-ray analysis. It was found that the tetra-tert-butyltetraoxa[8]circulenes aggregate in solution through a cooperative polymerisation mechanism despite functionalisation with bulky tert-butyl substituents.

引用

页码：6320 / 6325

页数：6

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