Toward the total synthesis of luminamicin; an anaerobic antibiotic: construction of highly functionalized cis-decalin
Hiroyasu Ando1, Aoi Kimishima1, Motoyoshi Ohara1
1Graduate School of Infection Control Sciences and Kitasato Institute for Life Sciences, Kitasato University, Tokyo, Japan.
Abstract:
Synthesis of a cis-decalin moiety, containing an oxa-bridged cis-decalin ring system (11-oxatricyclo(5.3.1.1,703,8)undecane), as a key intermediate of the total synthesis of luminamicin (1) was accomplished. One of the essential steps in our synthetic route is construction of a cis-decaline framework using a one-pot Michael addition-aldol reaction. Additionally, the bridged ether moiety was obtained by an intramolecular 1,6-oxa-Michael reaction of a conjugated aldehyde.
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