Synthesis 2017; 49(03): 504-525
DOI: 10.1055/s-0036-1588608
short review
© Georg Thieme Verlag Stuttgart · New York

Synthesis of Substituted Benzils from Diarylalkyne Oxidation

Ling-Zhi Yuan
BioCIS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 92290, Châtenay-Malabry, France   Email: olivier.provot@u-psud.fr
,
Abdallah Hamze
BioCIS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 92290, Châtenay-Malabry, France   Email: olivier.provot@u-psud.fr
,
Mouad Alami*
BioCIS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 92290, Châtenay-Malabry, France   Email: olivier.provot@u-psud.fr
,
Olivier Provot*
BioCIS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 92290, Châtenay-Malabry, France   Email: olivier.provot@u-psud.fr
› Author Affiliations
Further Information

Publication History

Received: 01 September 2016

Accepted after revision: 06 September 2016

Publication Date:
12 October 2016 (online)


Abstract

In this review, the oxidation of diarylalkynes leading to functionalized benzils [di(het)aryl 1,2-diketones] is summarized. Some synthetic one-pot transformations of internal arylalkynes leading to the construction of heterocycles are presented.

1 Introduction

2 Oxidation Using Inorganic Reagents

2.1 I2, I+, and NIS

2.2 Potassium Permanganate (KMnO4)

2.3 Sulfur Trioxide (SO3)

2.4 Potassium Peroxymonosulfate (Oxone)

2.5 O2, hν, MgBr2·Et2O

2.6 Cerium Ammonium Nitrate (CAN)

2.7 Overview of Inorganic Reagents

3 Metal-Catalyzed Oxidation of Diarylalkynes

3.1 Palladium Catalysts

3.2 Copper Catalysts

3.3 Iron Catalysts

3.4 Ruthenium Catalysts

3.5 Gold Catalysts

3.6 Mercury Catalysts

3.7 Overview of Metal Catalysts

4 Sequential Hydration–Oxidation of Diarylalkynes

5 Applications to the Synthesis of Heterocycles

5.1 One-Pot Access to Heterocycles

5.2 Access to Various Heterocycles

6 Conclusions