Metal-free oxidative para-acylation of unprotected anilines with N-heteroarylmethanes

Literature Information

Publication Date 2017-10-25
DOI 10.1039/C7OB02490H
Impact Factor 3.876
Authors

Min Liu, Xue Chen, Tieqiao Chen, Qing Xu, Shuang-Feng Yin


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Abstract

A selective oxidative para-acylation of unprotected anilines with methyl groups in N-heteroarylmethanes was achieved. This transformation proceeds under mild metal-free reaction conditions to produce the corresponding valuable diarylmethanones in good to high yields, featuring high site-selectivity, high functional-group-tolerance, gram-scale synthesis and easy product-derivation. Preliminary mechanistic studies revealed that the present oxidative para-acylation would take place via a Friedel–Crafts-type process of in situ imines and the steric hindrance might be the key issue for the high regio-selectivity.

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Organic & Biomolecular Chemistry

Organic & Biomolecular Chemistry
CiteScore: 3.4
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Organic & Biomolecular Chemistry (OBC) publishes original and high impact research and reviews in organic chemistry. We welcome research that shows new or significantly improved protocols or methodologies in total synthesis, synthetic methodology or physical and theoretical organic chemistry as well as research that shows a significant advance in the organic chemistry or molecular design aspects of chemical biology, catalysis, supramolecular and macromolecular chemistry, theoretical chemistry, mechanism-oriented physical organic chemistry, medicinal chemistry or natural products. Articles published in the journal should report new work which makes a highly-significant impact in the field. Routine and incremental work is generally not suitable for publication in the journal. More details about key areas of our scope are below. In all cases authors should include in their article clear rationale for why their research has been carried out.

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