Journal ArticleDOI
.alpha.-Methoxy-.alpha.-trifluoromethylphenylacetic acid, a versatile reagent for the determination of enantiomeric composition of alcohols and amines
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This article is published in Journal of Organic Chemistry.The article was published on 1969-09-01. It has received 2312 citations till now. The article focuses on the topics: Reagent.read more
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The absolute configuration of α-hydroxyphosphonates
TL;DR: The absolute configuration and CD spectra of a series of chiral α-hydroxyphosphonates and phosphoric acids have been determined in this article, using a quinine catalysed 1,2-addition reaction of phosphite to aldehyde.
Journal ArticleDOI
Enzymatic hydrolysis of prochiral -1,4-diacyl-2-cyc-lopentenediols: preparation of (1,4)-and (1,4)-4-hydroxy-2-cyclopentenylderivatives, versatile building blocks for cyclopentanoid natural products.
Kurt Laumen,Manfred P. Schneider +1 more
TL;DR: In this article, the enantioselective preparation of both enantiomeric series of chiral building blocks 2 - 4 and ent -2 - 4 on a preparative scale was studied.
Journal ArticleDOI
Stereoselektive Synthese von Alkoholen, VII1) Optisch aktive Homoallylalkohole durch Addition chiraler Boronsäureester an Aldehyde
TL;DR: In this article, the chiralen Boronsaureester 1 and 4 an Aldehyde gewann man die Homoallylalkohole 2 and 5 with einheitlicher absoluter Konfiguration.
Journal ArticleDOI
Piperazimycins : Cytotoxic hexadepsipeptides from a marine-derived bacterium of the genus Streptomyces
TL;DR: Three potent cancer cell cytotoxins, piperazimycins A-C (1-3), have been isolated from the fermentation broth of a Streptomyces sp.
Journal ArticleDOI
Use of readily available chiral compounds related to the betti base in the enantioselective addition of diethylzinc to aryl aldehydes
Cosimo Cardellicchio,Giuseppe Ciccarella,Francesco Naso,Filippo Maria Perna,Paolo Tortorella +4 more
TL;DR: In this article, the use of chiral non-racemic aminonaphthols related to the Betti base was tested as complexing agents in the catalytic enantioselective addition of diethylzinc to aryl aldehydes.
Related Papers (5)
Nuclear magnetic resonance enantiomer regents. Configurational correlations via nuclear magnetic resonance chemical shifts of diastereomeric mandelate, O-methylmandelate, and .alpha.-methoxy-.alpha.-trifluoromethylphenylacetate (MTPA) esters
James A. Dale,Harry S. Mosher +1 more