método para a substituição estereosseletiva de compostos de éster beta-amino n-não substituidos

método para a substituição estereosseletiva de compostos de éster beta-amino n-não substituidos

Methods for stereoselective substitution in which a (mono or un)-alpha-substituted unprotected beta-amino ester compound or salt thereof is reacted with an aliphatic electrophile in the presence of a base selected from alkyl lithium compounds, lithium hydride, lithium amide, lithium dialkyl amides a...

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Bibliographische Detailangaben
Hauptverfasser: SITHAMALLI V. CHANDRAMOULI, TORY H. POWNER, MICHAEL K. O'BRIEN
Format: Patent
Sprache:por
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:Methods for stereoselective substitution in which a (mono or un)-alpha-substituted unprotected beta-amino ester compound or salt thereof is reacted with an aliphatic electrophile in the presence of a base selected from alkyl lithium compounds, lithium hydride, lithium amide, lithium dialkyl amides and alkali hexamethyldisilylamines.