An Acid Catalysed Intramolecular C–C Coupling Reaction of 8-halomethyl-16-methoxy[2.2]Metacyclophanes

Author:

Tanaka Kan1,Miyazawa Akira1,Hiate Ai2,Tashiro Masashi23,Saisyo Tatsunori4,Okabe Ryo4,Kohno Kazufumi4,Yamato Takehiko4

Affiliation:

1. National Institute of Advanced Industrial Science and Technology (AIST), AIST Central 5, Tsukuba, Ibaraki 305-8565, Japan

2. Institute of Advanced Material Study, Kyushu University, Kasuga-kouen 6-1, Kasuga 816-8580, Japan

3. Present address: Loker Hydrocarbon Research Institute, University of Southern California, 837 Bloom Walk LHI, Los Angeles Calfornia 90089-1661, USA

4. Department of Applied Chemistry, Faculty of Science and Engineering, Saga University, Honjo-machi 1, Saga 840-8502, Japan

Abstract

The hydrolysis of 8-bromomethyl[2.2]metacyclophane 1a with a methoxy group at the 16-position was carried out in an 80% aqueous dioxane solution by refluxing in the presence of Nafion-H (a solid perfluorinated resin sulfonic acid) as a catalyst. The reaction yielded the corresponding 8-hydroxymethyl[2.2]metacyclophane 3 and the intramolecular C–C coupling product 2 with a spiro skeleton.

Publisher

SAGE Publications

Subject

General Chemistry

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