Absolute stereochemistry of penaresidins
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Jun'ichi Kobayashi; Masashi Tsuda; Jie-fei Cheng; Masami Ishibashi; Hirosato Tak
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Article
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1996
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Elsevier Science
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French
โ 124 KB
Absolute stereochemistry at C-15 in penaresidins A (1) and B (2) was established to be S on the basis of I H NMR data of the tri-O-MTPA esters, indicating that the absolute configurations of 1 and 2 are 2S, 3R, 4S, 15S (1 and 2), and 16S (1).