Results 231 to 240 of about 2,677,083 (277)

Enantioselective Synthesis of Spirocyclic Nitrogen-Containing Heterocycles Catalyzed by an Iridium-Containing Cytochrome. [PDF]

J Am Chem Soc
Xu J, Bloomer BJ, Brunn JN, Quest AP, Chakraborty S, Schneider JE, Clark DS, Hartwig JF.   +7 more
europepmc   +1 more source

Enantioselective Synthesis of α-Oxygenated Ketones via Organocatalytic Formal O-H Bond Insertion of Sulfonium Ylides. [PDF]

J Am Chem Soc
Qian C, Zhong Z, Xu Q, Li P, Zhang C, Sun J.   +5 more
europepmc   +1 more source

Enantioselective synthesis of allylic boronates bearing a stereodefined (<i>E</i>)-alkenyl chloride by Cu-catalyzed borylation of allylic <i>gem</i>-dichlorides.

Org Chem Front
Chaves-Pouso A, Álvarez-Constantino AM, Gómez-Roibás P, Fañanás-Mastral M.   +3 more
europepmc   +1 more source

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Enantioselective Synthesis of Euonyminol

Journal of the American Chemical Society, 2021
We describe an enantioselective total synthesis of the nonahydroxylated sesquiterpenoid euonyminol, the dihydro-β-agarofuran nucleus of the macrocyclic terpenoid alkaloids known as the cathedulins. Key features of the synthetic sequence include a highly diastereoselective intramolecular alkene oxyalkylation to establish the C10 quaternary center, an ...
Martin Tomanik, Zhi Xu, Seth B. Herzon
openaire   +2 more sources

Enantioselective Synthesis of (−)-Pentalenene

Organic Letters, 2007
A short, enantioselective synthesis of (-)-pentalenene is described. Catalytic enantioselective cyclopropenation with (R,R)-Rh2(OAc)(DPTI)3 was used to set the absolute stereochemistry, and an intramolecular Pauson-Khand reaction of the resulting cyclopropenyne was used to establish the quaternary center.
Joseph M Fox, Joseph M Fox*, Mahesh K Pallerla   +2 more
exaly   +3 more sources

Enantioselective Synthesis of and with Allenes.

ChemInform, 2002
AbstractFor Abstract see ChemInform Abstract in Full Text.
Anja, Hoffmann-Röder, Norbert, Krause
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Enantioselective Synthesis of Renieramide.

ChemInform, 2004
A highly chemo- and enantioselective PTC alkylation has been developed that allows rapid access to orthogonally protected (S,S)-isodityrosine. Utility of this material in the construction of isodityrosine-containing cyclic peptides is demonstrated by synthesis of the natural product renieramide.
Barry Lygo, Luke Humphreys
openaire   +1 more source

Enantioselective Synthesis of Xanthatin

Chemistry – A European Journal, 2014
Abstract The enantioselective synthesis of cytostatic and antibiotic xanthatin ( 1 a ) is reported. As a key intermediate, a bicyclic compound 2 was identified, which can be readily synthesized from methyl‐2‐furoic acid in diastereo ...
Andreas, Bergmann, Oliver, Reiser
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Enantioselective Synthesis of (‐)‐Idiospermuline.

ChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Larry E Overman, Emily A Peterson
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Enantioselective Synthesis of Chromenes.

ChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Christophe Hardouin, Lise Burgaud, Alain Valleix, Eric Doris   +3 more
openaire   +1 more source