Organic Letters
Organic Letters
5 years ago

Columbamides D and E: Chlorinated Fatty Acid Amides from the Marine Cyanobacterium Moorea bouillonii Collected in Malaysia

Columbamides D and E: Chlorinated Fatty Acid Amides from the Marine Cyanobacterium Moorea bouillonii Collected in Malaysia
Charles S. Vairappan, Fuyuhiko Matsuda, Taiki Umezawa, Tatsufumi Okino, Julius Adam V. Lopez, Julie G. Petitbois
Two new chlorinated fatty acid amides, columbamides D (1) and E (2), along with apratoxins A and C and wewakazole, were isolated from the organic extract of a Moorea bouillonii sample from Sabah, Malaysia. Structure elucidation was accomplished by a combination of MS and NMR analyses. The total synthesis of all four stereoisomers of 1 was completed, and the absolute configuration was determined by chiral-phase HPLC and Marfey’s analysis.

Publisher URL: http://dx.doi.org/10.1021/acs.orglett.7b01869

DOI: 10.1021/acs.orglett.7b01869

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