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A stereoselective formal synthesis of (±)-Prelog-Djerassi lactonic acid

✍ Scribed by Zhi-Yu Liu; Jing-Yuan Ma

Book ID
112060314
Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
140 KB
Volume
13
Category
Article
ISSN
0256-7660

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A synthesis of (+)-Prelog-Djerassi Lacto
A synthesis of (+)-Prelog-Djerassi Lactonic acid
✍ Steven D. Hiscock; Peter B. Hitchcock; Philip J. Parsons 📂 Article 📅 1998 🏛 Elsevier Science 🌐 French ⚖ 852 KB

A new approach to the synthesis of Prelog-Djerassi Lactonic acid (1) is reported. A key step in this synthesis involves an lreland-Claisen rearrangement/silicon-mediated fragmentation sequence to provide the carbon framework in (1).

Total synthesis of (+)-prelog-djerassi l
Total synthesis of (+)-prelog-djerassi lactonic acid
✍ Minoru Isobe; Yoshiyasu Ichikawa; Toshio Goto 📂 Article 📅 1981 🏛 Elsevier Science 🌐 French ⚖ 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