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Heterocycle Construction via Transition Metal-Catalyzed C-H Functionalization and C-Heteroatom Bond Formation

[ Vol. 18 , Issue. 16 ]

Author(s):

Yajun Liu, Jihye Kim and Junghyun Chae   Pages 2049 - 2071 ( 23 )

Abstract:


Heterocycles are fundamental building blocks for natural products and biologically active compounds. Over the past decades, substantial progress has been made in transition metal-catalyzed C-H bond functionalization. The majority of C-H functionalization studies have been focused on the formation of C-C bond, and the synthesis of heterocyclic compounds has been generally achieved from further elaboration of the resulting products after C-H functionalization. However, in very recent years, direct C-heteroatom coupling via C-H functionalization followed by C-heteroatom (heteroatom = N, O, S, P, etc.) bond formation has been extensively developed, providing efficient protocols for synthesizing various heterocycles. In this review, a brief overview is given of the recent advances in the field. The synthetic strategies are categorized and presented according to (1) types of C-H bonds (Csp2-H and Csp3-H) and (2) types of Cheteroatom bonds formed.

Keywords:

C-H activation, C-H functionalization, C-heteroatom bond formation, heterocylces, transition metal.

Affiliation:

Department of Chemistry & Research Institute of Basic Sciences, Un-Jeong Campus, Building A, Room 443, Sungshin Women's University 55, Dobong-ro 76ga-gil, Gangbuk-gu, Seoul 136-742, Korea.

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