Total synthesis of (+)-prelog-djerassi l
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Minoru Isobe; Yoshiyasu Ichikawa; Toshio Goto
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Article
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1981
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Elsevier Science
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French
โ 203 KB
Optically active Prelog-Djerassi Lactonic Acid i was synthesized from D-glucal; the crucial point being the elaboration of the carboxylic group as shown in eq. 1 and 2 which involve the sequential process [i] asymmetric addition of methyl anion onto the hetero-olefin 2, [ii] trapping