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Cob (I)alamin als Katalysator. 3. Mitteilung [1]. Untersuchungen in Richtung einer enantioselektiven Reduktion α,β-ungesättigter Ester

✍ Scribed by Albert Fischli; Daniel Süss

Publisher: John Wiley and Sons
Year: 1979
Tongue: German
Weight: 636 KB
Volume: 62
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.19790620108

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✦ Synopsis

Cob (I)alamin as Catalyst 3. Communication [1]. Examination of an Enantioselective Reduction Using α,β‐Unsaturated Esters

α,β‐Unsaturated esters can be reduced to the corresponding saturated esters using catalytic amounts of cob (I)alamin in the presence of an excess of zinc. An enantioselective reduction has been observed starting from ethyl (Z)‐3‐methyl‐5‐phenyl‐2‐pentenoate (7).

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✍ Albert Fischli; Daniel Süss 📂 Article 📅 1979 🏛 John Wiley and Sons 🌐 German ⚖ 877 KB

**Cob(I)alamin as Catalyst. 5. Communication [1]. Enantioselective Reduction of α,β‐Unsaturated Carbonyl Derivatives** The cob(I)alamin‐catalyzed reduction of an α,β‐unsaturated ethyl ester in aqueous acetic acid produced the (__S__)‐configurated saturated derivative **2** with an enantiomeric exce