Synthesis 2017; 49(01): 69-75
DOI: 10.1055/s-0036-1588068
paper
© Georg Thieme Verlag Stuttgart · New York

Catalytic Asymmetric Synthesis of the C1–C15 Segment of Spirastrellolide A

Yui Sahara
Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki Shinagawa-ku, Tokyo 141-0021, Japan   Email: twatanabe@bikaken.or.jp   Email: mshibasa@bikaken.or.jp
,
Jin Cui
Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki Shinagawa-ku, Tokyo 141-0021, Japan   Email: twatanabe@bikaken.or.jp   Email: mshibasa@bikaken.or.jp
,
Makoto Furutachi
Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki Shinagawa-ku, Tokyo 141-0021, Japan   Email: twatanabe@bikaken.or.jp   Email: mshibasa@bikaken.or.jp
,
Jingbo Chen
Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki Shinagawa-ku, Tokyo 141-0021, Japan   Email: twatanabe@bikaken.or.jp   Email: mshibasa@bikaken.or.jp
,
Takumi Watanabe*
Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki Shinagawa-ku, Tokyo 141-0021, Japan   Email: twatanabe@bikaken.or.jp   Email: mshibasa@bikaken.or.jp
,
Masakatsu Shibasaki*
Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki Shinagawa-ku, Tokyo 141-0021, Japan   Email: twatanabe@bikaken.or.jp   Email: mshibasa@bikaken.or.jp
› Author Affiliations
Further Information

Publication History

Publication Date:
23 September 2016 (online)


Dedicated to Prof. Dieter Enders on the occasion of his 70th birthday

Abstract

Catalytic asymmetric synthesis of the C1–C15 fragment of spirastrellolide A, a naturally occurring PP2A inhibitor, was achieved. To construct the 1,3-polyol system in a stereodefined manner, we took advantage of an iterative aldol strategy comprising the catalytic asymmetric thioamide-aldol reaction, and a diastereoselective crotylation process. A potential segment for the total synthesis of spirastrellolide A was thus accessed through a 14-step procedure.

Supporting Information