1959
DOI: 10.1002/cber.19590920716
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Die Anlagerung von Ammoniak an Δ1‐Tetrahydrobenzoesäure und Cyclopenten‐(1)‐carbonsäure‐(1) und die eindeutige sterische Zuordnung der entstehenden β‐Aminosäuren

Abstract: Bei der Anlagerung von Ammoniak an 81-Tetrahydrobenzoesaure und Cyclopenten-(1)-carbonsaure-(1) entstehen ausschlieDlich die rrans-~-Axninosi-iuren. Der Nachweis der Konfiguration erfolgt bei den entsprechenden cis-Aminosauren, die durch Hofmannschen Abbau der cis-Hexahydrophthalamidsaure (V) und des cis-Cyclopentan-dicarbons8ure-( 1.2)-monoamids erhalten werden.cis-und trans-2-Amino-cyclopen tan-carbonsaure-( I) wurden erstmals dargestellt.Uber den sterischen Verlauf der Anlagerung nucleophiler Reaktionspartn… Show more

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Cited by 31 publications
(2 citation statements)
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“…The enantiomers of racemic cis ‐aminocyclopentanecarboxylic acids ( cis ‐ACPC; 1A , 1B ) were prepared from cyclopentane via chlorosulfonyl isocyanate addition, followed by aqueous HCl treatment and ion‐exchange chromatography . trans ‐ACPC ( 1C , 1D ) was synthesized by Michael addition of NH 3 to 1‐cyclopentenecarboxylic acid in a steel autoclave at 170°C for 80 h, followed by purification via ion‐exchange chromatography . (−)‐ cis ‐(1 R ,2 S )‐ACPC ( 1B ) and (+)‐ trans ‐(1 S ,2 S )‐ACPC ( 1C ) were prepared from the corresponding esters by lipase‐catalyzed acylation, followed by hydrolysis .…”
Section: Methodsmentioning
confidence: 99%
“…The enantiomers of racemic cis ‐aminocyclopentanecarboxylic acids ( cis ‐ACPC; 1A , 1B ) were prepared from cyclopentane via chlorosulfonyl isocyanate addition, followed by aqueous HCl treatment and ion‐exchange chromatography . trans ‐ACPC ( 1C , 1D ) was synthesized by Michael addition of NH 3 to 1‐cyclopentenecarboxylic acid in a steel autoclave at 170°C for 80 h, followed by purification via ion‐exchange chromatography . (−)‐ cis ‐(1 R ,2 S )‐ACPC ( 1B ) and (+)‐ trans ‐(1 S ,2 S )‐ACPC ( 1C ) were prepared from the corresponding esters by lipase‐catalyzed acylation, followed by hydrolysis .…”
Section: Methodsmentioning
confidence: 99%
“…Racemic cis-ACPC (la, b) and trans-ACPC, (lc, d) were prepared by the methods of Nativ et al [27] and Pleininger et al [28], respectively. Racemic cisand trans-ACHC (2a, b and 2c, d) and cisand trans-ACHC-ene (3a, b and 3c, d) were prepared by the method of Bermith et al [29].…”
Section: Reagents and Materialsmentioning
confidence: 99%