Synthesis 2018; 50(16): 3197-3204
DOI: 10.1055/s-0036-1591596
special topic
© Georg Thieme Verlag Stuttgart · New York

Palladium-Catalyzed Decarboxylative Coupling Reactions of Propiolic Acid Derivatives and Arylsulfonyl Hydrazide

Jaerim Park
a   Department of Chemistry, Chonnam National University, Gwangju 61186, Republic of Korea   eMail: sunwoo@chonnam.ac.kr
,
Kwang Ho Song*
b   Department of Chemical & Biological Engineering, Korea University, Seoul 02841, Republic of Korea   eMail: khsong@korea.ac.kr
,
Sunwoo Lee*
a   Department of Chemistry, Chonnam National University, Gwangju 61186, Republic of Korea   eMail: sunwoo@chonnam.ac.kr
› Institutsangaben

This research was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIP) (NRF-2015R1A4A1041036, NRF-2017R1A2B2002929).
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Publikationsverlauf

Received: 07. Mai 2018

Accepted after revision: 29. Mai 2018

Publikationsdatum:
16. Juli 2018 (online)


Published as part of the Special Topic Modern Coupling Approaches and their Strategic Applications in Synthesis

Abstract

Arylsulfonyl hydrazides were employed as coupling partners for the decarboxylative coupling reaction of propiolic acid derivatives. When the reaction was conducted using Pd(TFA)2 (1.0 mol%), dppp (1.0 mol%), and Cu(OAc)2 (2.4 equiv) in DMF at 100 °C for 0.5 hour, the desired coupled products were formed in moderate to good yields. The reaction showed good tolerance toward functional groups such as ester, ketone, cyano, nitro, chloro, and bromo groups.

Supporting Information