Cascade intramolecular Prins/Friedel–Crafts cyclization for the synthesis of 4-aryltetralin-2-ols and 5-aryltetrahydro-5H-benzo[7]annulen-7-ols-Reference-Cited by-同舟云学术

Cascade intramolecular Prins/Friedel–Crafts cyclization for the synthesis of 4-aryltetralin-2-ols and 5-aryltetrahydro-5H-benzo[7]annulen-7-ols

Published:2021-06-22 Issue: Volume:17 Page:1481-1489
ISSN:1860-5397
Container-title:Beilstein Journal of Organic Chemistry
language:en
Short-container-title:Beilstein J. Org. Chem.

Author:

Zheng Jie^ORCID,Meng Shuyu^ORCID,Wang Quanrui^ORCID

Abstract

The treatment of 2-(2-vinylphenyl)acetaldehydes or 3-(2-vinylphenyl)propanals with BF3·Et2O results in an intramolecular Prins reaction affording intermediary benzyl carbenium ions, which are then trapped by a variety of electron-rich aromatics via Friedel–Crafts alkylation. This cascade Prins/Friedel–Crafts cyclization protocol paves an expedient path to medicinally useful 4-aryltetralin-2-ol and 5-aryltetrahydro-5H-benzo[7]annulen-7-ol derivatives.

Publisher

Beilstein Institut

Subject

Organic Chemistry

Link

https://www.beilstein-journals.org/bjoc/content/pdf/1860-5397-17-104.pdf

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