Journal ArticleDOI
Asymmetric aza-Claisen rearrangement: Synthesis of (+)-dihydropallescensin-2 [(+)-penlanpallescensin].
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TLDR
Synthetic confirmation of the C(1′)-(S)-configuration of (+)-dihydropallescensin-2 (1) is reported, the key reaction being a chiron-mediated asymmetric aza-Claisen rearrangement (6→7) as mentioned in this paper.About:
This article is published in Tetrahedron Letters.The article was published on 1987-01-01. It has received 28 citations till now. The article focuses on the topics: Claisen rearrangement & Ketone.read more
Citations
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1,2-Amino Alcohols and Their Heterocyclic Derivatives as Chiral Auxiliaries in Asymmetric Synthesis
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The chemistry of 2-oxazolines (1985–present)
Thomas G. Gant,Albert I. Meyers +1 more
TL;DR: The use of chiral oxazolines as ligands in asymmetric catalysis has been extensively studied in the literature as mentioned in this paper, with a large number of important publications detailing oxazoline-related chemistry, suggesting that research in this area, as in synthetic organic chemistry in general, has yet to mature.
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Natural products possessing protein tyrosine phosphatase 1B (PTP1B) inhibitory activity found in the last decades
TL;DR: In this article, the authors provide an overview of approximately 300 secondary metabolites with inhibitory activity against protein tyrosine phosphatase 1B (PTP1B), which were isolated from various natural sources or derived from synthetic process in the last decades.
Natural products possessing protein tyrosine phosphatase 1B （PTP1B） inhibitory activity found in the last decades
TL;DR: This article provides an overview of approximately 300 secondary metabolites with inhibitory activity against protein tyrosine phosphatase 1B (PTP1B), which were isolated from various natural sources or derived from synthetic process in the last decades.
References
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Journal ArticleDOI
Colored indicators for simple direct titration of magnesium and lithium reagents
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A chemical defense mechanism for the nudibranch cadlina luteomarginata
TL;DR: Cadlina luteomarginata was found to consume at least ten sponges although Axinella sp. and Myxilla incrustans are most frequently eaten.
Journal ArticleDOI
Camphorsulfonamide-Shielded, Asymmetric 1,4-Additions and Enolate Alkylations; Synthesis of a Southern Corn Rootworm Pheromone. Preliminary Communication
TL;DR: Using readily accessible 10-sulfonamido-isoborneols as regenerable, chiral auxiliaries, highly face-selective C-C-bond formations at Cα and Cβ of carboxylates could be conveniently achieved.
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Asymmetric addition to chiral naphthyloxazolines. A facile route to 1,1,2-trisubstituted 1,2-dihydronaphthalenes in high enantiomeric excess
B. A. Barner,Albert I. Meyers +1 more
Journal ArticleDOI
Asymmetric induction in the Claisen rearrangement of N-allylketene N,O-acetals
TL;DR: In this article, the transposition of alkyl-4 allyl-3 phenethylidene-2 oxazolidines en alkykl-4 benzyl-1' butene-3' yl 2 oxazolines was studied.
Related Papers (5)
Enantioselective preparation of 3-substituted-4-pentenoic acids via the Claisen rearrangement
Mark J. Kurth,Owen H. W. Decker +1 more