Synthesis of 8-methyl-2-O-methyl-3,5-O-(1-methyl ethylidene)-6,7,8,9-tetradeoxy-D-gulo-6-nonenonic acid (6E)- -lactone

Phi Thi Dao, Doan Thi Mai Huong, Le Thi Phuong, Chau Van Minh, Pham Van Cuong


Ketide side chain, 8-methyl-2-O-methyl-3,5-O-(1-methylethylidene)-6,7,8,9-tetradeoxy-D-gulo-6-nonenonic acid (6E)-γ-lactone was synthesized starting from the commercial available α-D-glucoheptonic γ-lactone. The synthesis is useful for further synthesis of new and stable bengamide analogues containing an additional methyl group at C-8. The structures of synthetic compounds were determined by spectroscopic analysis, including MS and NMR.


Bengamide, synthesis analogues antitumor

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