Ketones

synemin ; Homo sapiens







36 Article(s)
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1 31720519 NMR and Computational Studies on the Reactions of Enamines with Nitroalkenes That May Pass through Cyclobutanes. 2019 Nov 5 1
2 26781998 γ-Sultam-cored N,N-ligands in the ruthenium(ii)-catalyzed asymmetric transfer hydrogenation of aryl ketones. 2016 Feb 14 1
3 26138361 1,4-Diketones from Cross-Conjugated Dienones: Potassium Permanganate-Interrupted Nazarov Reaction. 2015 Aug 17 1
4 26301563 Iterative Coupling of Two Different Enones by Nitromethane Using Bifunctional Thiourea Organocatalysts. Stereocontrolled Assembly of Cyclic and Acyclic Structures. 2015 Sep 18 1
5 26485576 Reversal of Diastereoselection in the Conjugate Addition of Cuprates to Unsaturated Lactams. 2015 Nov 6 1
6 24499418 [1,5]-Anion relay via intramolecular proton transfer to generate 3,3-bis(silyl) allyloxy lithium: a useful scaffold for syn-addition to aldehydes and ketones. 2014 Feb 21 1
7 25014710 Highly functionalized tertiary-carbinols and carbinamines from the asymmetric γ-alkoxyallylboration of ketones and ketimines with the borabicyclodecanes. 2014 Aug 1 1
8 24113062 Investigation of aryl halides as ketone bioisosteres: refinement of potent and selective inhibitors of human cytochrome P450 19A1 (aromatase). 2013 Nov 15 1
9 21958056 N-Prolinylanthranilamide pseudopeptides as bifunctional organocatalysts for asymmetric aldol reactions. 2011 Oct 21 1
10 20355742 Preparation of syn-tertiary homoallylic alcohols utilizing allenyltitanocenes generated by reductive titanation of gamma-trimethylsilylpropargylic carbonates. 2010 May 7 1
11 20942379 Allyl transfer to aldehydes and ketones by Brønsted acid activation of allyl and crotyl 1,3,2-dioxazaborolidines. 2010 Nov 5 1
12 19154154 The domino multicomponent allylation reaction for the stereoselective synthesis of homoallylic alcohols. 2009 Feb 17 1
13 19249831 2,4-Dinitrophenol as an effective cocatalyst: greatly improving the activities and enantioselectivities of primary amine organocatalysts for asymmetric aldol reactions. 2009 Mar 20 1
14 19691310 Polyol synthesis with beta-oxyanionic alkyllithium reagents: syntheses of aculeatins A, B, and D. 2009 Sep 17 1
15 18067310 Anti aldol selectivity in a synthetic approach to the C1-C12 fragment of the tedanolides. 2008 Jan 3 1
16 18163619 Catalysis of 3-pyrrolidinecarboxylic acid and related pyrrolidine derivatives in enantioselective anti-Mannich-type reactions: importance of the 3-acid group on pyrrolidine for stereocontrol. 2008 Jan 23 1
17 18795778 Intramolecular O-H...O hydrogen-bond-mediated reversal in the partitioning of conformationally restricted triplet 1,4-biradicals and amplification of diastereodifferentiation in their lifetimes. 2008 Oct 15 4
18 17914888 Design of organocatalysts for asymmetric direct syn-aldol reactions. 2007 Oct 11 1
19 16866507 3-Pyrrolidinecarboxylic acid for direct catalytic asymmetric anti-Mannich-type reactions of unmodified ketones. 2006 Aug 2 1
20 16933349 Diastereomeric discrimination in the lifetimes of Norrish Type II triplet 1,4-biradicals and stereocontrolled partitioning of their reactivity (Yang cyclization versus Type II fragmentation). 2006 Nov 24 1
21 16939272 Origin of syn/anti diastereoselectivity in aldehyde and ketone crotylation reactions: a combined theoretical and experimental study. 2006 Sep 6 1
22 17109558 Evolution of pyrrolidine-type asymmetric organocatalysts by "click" chemistry. 2006 Nov 24 1
23 16218632 Diastereomer-differentiating photochemistry of beta-arylbutyrophenones: Yang cyclization versus type II elimination. 2005 Oct 19 2
24 15200326 A telluride-triggered nucleophilic ring opening of monoactivated cyclopropanes. 2004 Jun 24 1
25 15563139 Spirodiepoxides in total synthesis: epoxomicin. 2004 Dec 1 1
26 11866583 A highly enantioselective amino acid-catalyzed route to functionalized alpha-amino acids. 2002 Mar 6 1
27 11929249 Unusual temperature dependence in the cis/trans-oxetane formation discloses competitive syn versus anti attack for the Paternò-Büchi reaction of triplet-excited ketones with cis- and trans-cylooctenes. Conformational control of diastereoselectivity in the cyclization and cleavage of preoxetane diradicals. 2002 Apr 10 3
28 11960455 A convergent three-component total synthesis of the powerful immunosuppressant (-)-sanglifehrin a. 2002 Apr 24 1
29 12126428 Stereoselective synthesis of both syn- and anti-N-tert-alkylamines using highly stereospecific crotylation of ketone-derived acylhydrazones with crotyltrichlorosilanes. 2002 Jul 26 1
30 12418896 Diastereoselective addition of gamma-substituted allylic nucleophiles to ketones: highly stereoselective synthesis of tertiary homoallylic alcohols using an allylic tributylstannane/stannous chloride system. 2002 Nov 13 1
31 11263911 Chlorodicyclohexylborane-mediated aldol additions of alpha,alpha'-dioxygenated ketones. 2001 Mar 22 1
32 29712193 A General Solution to the Modular Synthesis of Polyketide Building Blocks by Kanemasa Hydroxy-Directed Nitrile Oxide Cycloadditions. 2001 Jun 1 1
33 10732972 Novel allocolchicinoids with an eight membered B-ring: design, synthesis and inhibition of tubulin assembly. 2000 Mar 1
34 10813959 Stereoselective reaction of alpha-sulfinyl carbanion derived from chiral 2-(Trialkylsilyl)ethyl sulfoxides: evidence for a novel silicon-oxygen interaction 2000 Jan 28 1
35 10864760 Asymmetric aldol reactions using (S,S)-(+)-pseudoephedrine-based amides: stereoselective synthesis of alpha-methyl-beta-hydroxy acids, esters, ketones, and 1,3-Syn and 1,3-anti diols 2000 Jun 16 1
36 15045231 Syn/anti isomerization of 2,4-dinitrophenylhydrazones in the determination of airborne unsymmetrical aldehydes and ketones using 2,4-dinitrophenylhydrazine derivation. 1996 Oct 1