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Synthetic studies toward marine toxic polyethers (3) stereocontrol for segment-A1 of okadaic acid by means of oxymercuration and epoxydation

✍ Scribed by Minoru Isobe; Yoshiyasu Ichikawa; Toshio Goto

Publisher: Elsevier Science
Year: 1985
Tongue: French
Weight: 248 KB
Volume: 26
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)98902-0

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Part of okadaic acid la vas synthesized stereoselectively in the fora of 4a (involving C-16 through C-38 uith 10 asymaetric carbons), by coupling the equivalents of 2 and 3 as the synthetic segments Il and C (Scheme 1). the forser being prepared via 12 and 6 froa a D-glucopyranose derivative (Scheae