Issue 26, 2018

Unusual biaryl torsional strain promotes reactivity in Cu-catalyzed Sommelet–Hauser rearrangement

Abstract

A Cu-catalyzed Sommelet–Hauser dearomatization of dihydrophenanthridine and diazo compounds is reported for the synthesis of spiro-indolines. A spiro-structure with adjacent quaternary and tertiary carbon centers was constructed in one step as a single isomer. Increasing steric hindrance by introducing ortho-substituents dramatically improved substrate reactivity in this transformation.

Graphical abstract: Unusual biaryl torsional strain promotes reactivity in Cu-catalyzed Sommelet–Hauser rearrangement

Supplementary files

Article information

Article type
Edge Article
Submitted
11 Apr 2018
Accepted
13 Jun 2018
First published
14 Jun 2018
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2018,9, 5850-5854

Unusual biaryl torsional strain promotes reactivity in Cu-catalyzed Sommelet–Hauser rearrangement

C. Pan, W. Guo and Z. Gu, Chem. Sci., 2018, 9, 5850 DOI: 10.1039/C8SC01657G

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