Synthesis 2015; 47(20): 3221-3230
DOI: 10.1055/s-0034-1381025
paper
© Georg Thieme Verlag Stuttgart · New York

Synthesis of 2-Arylpyrazolo[1,5-a]pyridines by Suzuki–Miyaura Cross-Coupling Reaction

Kentaro Umei
Watarase Research Center, Discovery Research Headquarters, Kyorin Pharmaceutical Co., Ltd., 1848, Nogi, Nogi-machi, Shimotsuga-gun, Tochigi 329-0114, Japan   Email: shigeki.seto@mb.kyorin-pharm.co.jp
,
Yosuke Nishigaya
Watarase Research Center, Discovery Research Headquarters, Kyorin Pharmaceutical Co., Ltd., 1848, Nogi, Nogi-machi, Shimotsuga-gun, Tochigi 329-0114, Japan   Email: shigeki.seto@mb.kyorin-pharm.co.jp
,
Megumi Kamiya
Watarase Research Center, Discovery Research Headquarters, Kyorin Pharmaceutical Co., Ltd., 1848, Nogi, Nogi-machi, Shimotsuga-gun, Tochigi 329-0114, Japan   Email: shigeki.seto@mb.kyorin-pharm.co.jp
,
Yasushi Kohno
Watarase Research Center, Discovery Research Headquarters, Kyorin Pharmaceutical Co., Ltd., 1848, Nogi, Nogi-machi, Shimotsuga-gun, Tochigi 329-0114, Japan   Email: shigeki.seto@mb.kyorin-pharm.co.jp
,
Shigeki Seto*
Watarase Research Center, Discovery Research Headquarters, Kyorin Pharmaceutical Co., Ltd., 1848, Nogi, Nogi-machi, Shimotsuga-gun, Tochigi 329-0114, Japan   Email: shigeki.seto@mb.kyorin-pharm.co.jp
› Author Affiliations
Further Information

Publication History

Received: 30 April 2015

Accepted after revision: 18 May 2015

Publication Date:
16 July 2015 (online)


Abstract

Convenient access to a variety of 2-arylated pyrazolo[1,5-a]pyridine via pyrazolo[1,5-a]pyridine-2-yl triflate using the Suzuki–Miyaura­ ­­cross-coupling reaction is described. Fifteen 2-arylpyrazolo[1,5-a]pyridine derivatives were synthesized in 52–95% yields.

Supporting Information