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Stereoselective asymmetric synthesis of (+)‐sedamine and (+
May 5, 2009 ... Stereoselective Asymmetric Synthesis of (+)-Sedamine and (+)-Allosedamine. STE´ PHANE LEBRUN,1,2 AXEL COUTURE,1,2* ERIC DENIAU ...
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Asymmetric Synthesis of (+)-Coniine, (−)-Coniceine, (+)-β - USC
Nov 30, 2008 ... Abstract: A tactically new approach to the asymmetric synthesis of the ... (2), (+)-β- conhydrine (3), (+)-sedamine (4) and (+)-allosedamine.
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Enantioselective Synthesis of (+)-Sedamine and (–)-Allosedamine
tives prompted us to explore the possibility of synthesis- ing (+)-sedamine (1) and (–)-allosedamine (2). This effort has resulted in two different approaches for ...
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Remote Stereocenter Discrimination in the Enzymatic Resolution of
Nov 7, 2003 ... Piperidine-2-ethanol. Short. Enantioselective Synthesis of Sedamine and Allosedamine. Marco Angoli,† Alessio Barilli,† Giordano Lesma,†.
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Enantioselective Organocatalytic Intramolecular Aza-Michael
Oct 9, 2007 ... (2) EnantioselectiVe Synthesis of β-Amino Acids, 2nd ed.; Juaristi, E. .... sedamine 5 and (+)-allosedamine 6 were obtained (Scheme.
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Enzymatic Kinetic Resolution of 2-Piperidineethanol for the - MDPI
Dec 24, 2015 ... Enantiopure 2-Piperidineethanol: Resolution versus Synthesis ..... Enantioselective synthesis of the alkaloids sedamine, allosedamine, ...
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Chemo-Enzymatic Synthesis of a Multi-Useful Chiral Building Block
Aug 9, 2011 ... 2-Methyl-2-nitrobut-3-en-1-ol (±1) was prepared by a simple ..... enantioselective synthesis of sedamine and allosedamine. J. Org. Chem. 2003 ...
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Synthesis of an Optically Pure Synthetic Intermediate of Aloperine
intermediates for the synthesis of aloperine, were synthesized from ... reviews on the synthesis of piperidine are known.1,2). Aloperine (1) has been isolated ..... 2- ethanol. Short enantioselective synthesis of sedamine and allosedamine. J. Org.
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Boehmeriasin A: synthesis - Lirias
resolution of the racemic boehmeriasin A (see insert in Scheme 2). ... In a second approach we developed an enantioselective synthesis using enatiopure piperidinethanol. 2 as ...... Enantioselective Synthesis of Sedamine and Allosedamine.
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THE STRUCTURE OF SEDAMINE - NRC Research Press
acre L., is exactly superposable on that of synthetic [email protected]?- phenylethy1)-piperidinc. ..... Enantioselective Synthesis of (+)-α-Conhydrine and ( -)-Sedamine by. L-Proline-Catalysed ... and (+)-allosedamine. Chirality NA-NA.
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Themed issue: Synthesis
Asymmetric organocatalysis in total synthesis – a trial by fire†. Eugenia ... Introduction. 2. Enamine catalysis. 2.1 Aldol reactions. 2.2 a- Heterofunctionalizations ...... Scheme 25 Concise syntheses of (+)-sedamine ( 172), (+)-allosedamine. (173) ...
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RSC Advances - RSC Publishing - Royal Society of Chemistry
Jul 4, 2013 ... applications of biocatalysis in the asymmetric synthesis of alkaloids and ..... Scheme 2 Options for the enantioselective preparation of building .... transformed into both enantiomers of sedamine (69) and allosedamine (70, Fig.
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RSC Advances - TU Delft Repositories
Jul 4, 2013 ... applications of biocatalysis in the asymmetric synthesis of alkaloids and ..... Scheme 2 Options for the enantioselective preparation of building .... transformed into both enantiomers of sedamine (69) and allosedamine (70, Fig.
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History, chemistry and biology of alkaloids from Lobelia inflata
Sep 21, 2004 ... 10132. 4.2. Synthesis of allosedamine . ... 4.3.2. Racemic approach to lobeline and related alkaloids . . . . . . . . . . . . . . . . . . . . . . . . . . . 10140. 4.3.3 ...
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Full text - doiSerbia
of this methodology in the synthesis of 2-alkylpiperidines is based on ... A brilliant strategy for the enantioselective synthesis of (S)-coniine 9, in a ...... intramolecular aza-Michael reaction: a concise synthesis of (+)-sedamine, (+)-allosedamine, ...
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Sedum alkaloids. XI. Synthesis of sedinone and sedacrine by
2-phenacylpiperidine 5; the key step of the synthesis rests on the anodic methoxylation, which allows the ... to the synthesis of sedamine 1 and allosedamine 2 (5, 6). ...... New synthetic methodology en route to asymmetric piperidine alkaloids.
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Download Book (PDF, 38783 KB) - Springer
Enantioselective Organocatalyzed Reactions II ...... 5- and 6-exo-trig process en route to the synthesis of (+)-sedamine, (+)-allosedamine and (+)-coniine.
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Curriculum Vitae - Istituto di Chimica del Riconoscimento Molecolare
2. INDICE. • Dati biografici. Pagina 3. • Attività gestionale nazionale. Pagina 4 .... 1999 - 2001. “Investigation of the enantioselectivity of Nigella sativa L. seed lipase enzyme” ..... synthesis of sedamine and allosedamine”. J. Org. Chem. 68, 9525 ...
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Currículo do Sistema de Currículos Lattes - BrazMedChem - USP
30 jan. 2014 ... BIOQUIMICA II/ MPLANTAÇÃO DA DISCIPLINA ..... The Asymmetric Total Synthesis of (+)- and (-)-Trypargine via Noyori ..... APPLICATION TO THE TOTAL SYNTHESIS OF (+/-)-SEDAMINE. AND (+/-)-ALLOSEDAMINE.
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188 CHAPTER 6 THE STRUCTURES OF CYCLIC VINYLOGOUS
enaminones. 6.1.2. The influence of ring size on the structures of cyclic amides ..... synthesis of (±)-lupinine 80 (also referred to before in Chapter 2, Figure 15, p. 52), the .... (±)-sedamine 170 and (±)-allosedamine 171 (see Scheme 35, Section 3.8.1.), under .... compound, even though there is no asymmetric carbon in 146.
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