2011
DOI: 10.1002/cctc.201000435
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Asymmetric Synthesis of (S)‐2‐Indolinecarboxylic Acid by Combining Biocatalysis and Homogeneous Catalysis

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Cited by 108 publications
(76 citation statements)
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“…Regarding the use of PAL enzymes for the synthesis of chiral intermediates, probably the most interesting example is the synthesis of the chiral indoline carboxylic acid 46 , Scheme . Fischer indole synthesis followed by classical or enzymatic resolution is the common way to synthesize this type of carbon skeleton 46 , but yields never exceeded 50 %.…”
Section: Functional Group Analysismentioning
confidence: 99%
See 1 more Smart Citation
“…Regarding the use of PAL enzymes for the synthesis of chiral intermediates, probably the most interesting example is the synthesis of the chiral indoline carboxylic acid 46 , Scheme . Fischer indole synthesis followed by classical or enzymatic resolution is the common way to synthesize this type of carbon skeleton 46 , but yields never exceeded 50 %.…”
Section: Functional Group Analysismentioning
confidence: 99%
“…An alternative is the use of a PAL enzyme to produce the chiral amine 52 , prior to the cyclization step, in order to construct the chiral C−N bond between ammonia and the cinnamic acid derivative 50 . The product obtained by this reaction is a phenylalanine derivative 52 , which is ready for cyclization into the desired product (Scheme ) …”
Section: Functional Group Analysismentioning
confidence: 99%
“…Verbindung 3 ist ein wichtiges Zwischenprodukt bei der Herstellung der ACE‐Inhibitoren Indolapril und Perindopril für die Behandlung von Bluthochdruck. Dieses Verfahren wurde von DSM Pharma Chemicals entwickelt und nutzt Aminosäuren 2 (hergestellt aus Säuren 1 über eine enantioselektive enzymatische Reaktion) als Startmaterial. Die Cu‐katalysierte intramolekulare Arylaminierung von 2 verläuft problemlos bei ca.…”
Section: Cu‐katalysierte Kreuzkupplungen Von Arylhalogeniden Mit Nuclunclassified
“…This procedure is currently used for ton-scale production by DSM Pharma Chemicals. [17] The compound 29 is a new drug candidate developed by UCB Pharma based on the structure of Levetiracetam, a clinically used drug for treatment of epilepsy. After screening several possible routes for producing this compound in large scale, they found that a coupling protocol is scalable.…”
Section: Applications In Large-scale Productionmentioning
confidence: 99%