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Synthesis of an Enantiomerically Pure Building Block for the Synthesis of Hydroporphyrins

✍ Scribed by Genevieve Etornam Adukpo; Tobias Borrmann; René Manski; Rosa I. Sáez Díaz; Wolf-Dieter Stohrer; Franz-Peter Montforts

Book ID
102171416
Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
231 KB
Volume
2007
Category
Article
ISSN
1434-193X

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✍ Helmchen, Günter ;Krotz, Achim ;Neumann, Hans-Peter ;Ziegler, Manfred L. 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 521 KB

## Abstract (+)‐(1__R__,4__R__)‐Bicyclo[2.2.1]hept‐5‐en‐2‐one (7) was prepared in 78.5% yield by oxidative degradation of (+)‐(1__R__)‐__endo__‐bicyclo[2.2.1]hept‐5‐ene‐2‐carboxylic acid (4) by using an improved procedure for the oxidation of the dianion of 4 with dioxygen. Dihydroxylation of 7 wit