Asymmetric Michael Addition of 5 H‐Oxazol‐4‐ones to Vinyl Sulfones: Stereoselective Synthesis of Monofluorinated Analogs of 2‐Tertiary Hydroxyl‐3‐Methyl‐Substituted Carboxylic Acidl Derivatives

[1]  Zhiyong Jiang,et al.  Asymmetric decarboxylative 1,4-addition of malonic acid half thioesters to vinyl sulfones: highly enantioselective synthesis of 3-monofluoromethyl-3-arylpropanoic esters. , 2014, Chemistry, an Asian journal.

[2]  Choon‐Hong Tan,et al.  Catalytic Asymmetric Conjugate Addition of Mercaptans to β‐Substituted‐β‐Trifluoromethyl Oxazolidinone Enoates: Access to Chiral Trifluoromethylated Tertiary Thioethers and Thiols , 2014 .

[3]  J. Hartwig,et al.  Cation control of diastereoselectivity in iridium-catalyzed allylic substitutions. Formation of enantioenriched tertiary alcohols and thioethers by allylation of 5H-oxazol-4-ones and 5H-thiazol-4-ones. , 2014, Journal of the American Chemical Society.

[4]  Choon‐Hong Tan,et al.  Asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates with α-fluoro-β-keto esters , 2013, Beilstein journal of organic chemistry.

[5]  Yixin Lu,et al.  Enantioselective conjugate addition of 3-fluoro-oxindoles to vinyl sulfone: an organocatalytic access to chiral 3-fluoro-3-substituted oxindoles. , 2013, Organic & biomolecular chemistry.

[6]  Choon‐Hong Tan,et al.  Organocatalytic Asymmetric Mannich Reactions of 5H-Oxazol-4-ones: Highly Enantio- and Diastereoselective Synthesis of Chiral α-Alkylisoserine Derivatives , 2013 .

[7]  Juan Shen,et al.  Organocatalytic asymmetric Michael addition of 5H-oxazol-4-ones to nitroolefins. , 2013, Organic letters.

[8]  Choon‐Hong Tan,et al.  Highly enantio- and diastereoselective reactions of γ-substituted butenolides through direct vinylogous conjugate additions. , 2012, Angewandte Chemie.

[9]  Choon‐Hong Tan,et al.  Pentanidium-catalyzed enantioselective α-hydroxylation of oxindoles using molecular oxygen. , 2012, Organic letters.

[10]  Rebecca L. Davis,et al.  Cross-trienamines in Asymmetric Organocatalysis , 2012, Journal of the American Chemical Society.

[11]  B. Trost,et al.  Highly stereoselective synthesis of α-alkyl-α-hydroxycarboxylic acid derivatives catalyzed by a dinuclear zinc complex. , 2012, Angewandte Chemie.

[12]  V. Gouverneur,et al.  Transition metal catalysis and nucleophilic fluorination. , 2012, Chemical communications.

[13]  Jinxing Ye,et al.  Highly diastereoselective and enantioselective Michael addition of 5H-oxazol-4-ones to α,β-unsaturated ketones catalyzed by a new bifunctional organocatalyst with broad substrate scope and applicability. , 2012, Chemical communications.

[14]  P. Li,et al.  Highly Enantioselective Synthesis of α‐Trifluoromethyldihydropyrans Using a Chiral Trifluoroethyl‐substituted Thiourea Catalyst Derived from Amino Acid , 2011 .

[15]  Yixin Lu,et al.  Organocatalytic asymmetric aldol reaction of hydroxyacetone with β,γ-unsaturated α-keto esters: facile access to chiral tertiary alcohols. , 2011, Organic letters.

[16]  Choon‐Hong Tan,et al.  Highly enantio- and diastereoselective synthesis of β-methyl-γ-monofluoromethyl-substituted alcohols. , 2011, Chemistry.

[17]  K. Kawano,et al.  Highly Z-selective asymmetric 1,4-addition reaction of 5H-oxazol-4-ones with alkynyl carbonyl compounds catalyzed by chiral guanidines. , 2011, Journal of the American Chemical Society.

[18]  Choon‐Hong Tan,et al.  Fluorinated aromatic ketones as nucleophiles in the asymmetric organocatalytic formation of C-C and C-N bonds: a facile route to the construction of fluorinated quaternary stereogenic centers. , 2011, Chemistry.

[19]  J. Kwiatkowski,et al.  The direct asymmetric vinylogous aldol reaction of furanones with α-ketoesters: access to chiral γ-butenolides and glycerol derivatives. , 2011, Angewandte Chemie.

[20]  M. Sodeoka,et al.  Recent Advances in Catalytic Enantioselective Fluorination Reactions , 2010 .

[21]  Qiang Zhu,et al.  Stereocontrolled creation of all-carbon quaternary stereocenters by organocatalytic conjugate addition of oxindoles to vinyl sulfone. , 2010, Angewandte Chemie.

[22]  X. Companyó,et al.  Sulfones: new reagents in organocatalysis. , 2010, Chemical Society reviews.

[23]  X. Companyó,et al.  Enantioselective organocatalytic addition of oxazolones to 1,1-bis(phenylsulfonyl)ethylene: a convenient asymmetric synthesis of quaternary alpha-amino acids. , 2010, Chemistry.

[24]  T. Sugimura,et al.  Direct asymmetric aldol reaction of 5H-oxazol-4-ones with aldehydes catalyzed by chiral guanidines. , 2010, Journal of the American Chemical Society.

[25]  Natalie C. Giampietro,et al.  Asymmetric tandem Wittig rearrangement/Mannich reactions. , 2010, Angewandte Chemie.

[26]  K. A. Jørgensen,et al.  Asymmetrische Organokatalyse mit Sulfonen , 2010 .

[27]  M. Nielsen,et al.  Asymmetric organocatalysis with sulfones. , 2010, Angewandte Chemie.

[28]  Bo Zhang,et al.  Asymmetric Michael Addition Reaction of 3‐Substituted Oxindoles to Nitroolefins Catalyzed by a Chiral Alkyl‐ Substituted Thiourea Catalyst , 2010 .

[29]  A. Alexakis,et al.  Aminal–Pyrrolidine Organocatalysts – Highly Efficient and Modular Catalysts for α‐Functionalization of Carbonyl Compounds , 2010 .

[30]  X. Pannecoucke,et al.  Fluorine & chirality: how to create a nonracemic stereogenic carbon-fluorine centre? , 2010, Chemical Society reviews.

[31]  Choon‐Hong Tan,et al.  Enantioselective synthesis of alpha-fluorinated beta-amino acid derivatives by an asymmetric mannich reaction and selective deacylation/decarboxylation reactions. , 2010, Chemistry.

[32]  H. Deng,et al.  Physical organic study of structure-activity-enantioselectivity relationships in asymmetric bifunctional thiourea catalysis: hints for the design of new organocatalysts. , 2010, Chemistry.

[33]  Fei Wang,et al.  Selective difluoromethylation and monofluoromethylation reactions. , 2009, Chemical communications.

[34]  Choon‐Hong Tan,et al.  Synthesis of a chiral quaternary carbon center bearing a fluorine atom: enantio- and diastereoselective guanidine-catalyzed addition of fluorocarbon nucleophiles. , 2009, Angewandte Chemie.

[35]  A. Alexakis,et al.  Enantioselective organocatalytic conjugate addition of aldehydes to vinyl sulfones and vinyl phosphonates as challenging Michael acceptors. , 2009, Chemistry.

[36]  M. Maestro,et al.  Highly enantioselective conjugate additions of aldehydes to vinyl sulfones. , 2009, Chemistry.

[37]  Qiang Zhu,et al.  Organocatalytic Michael addition of aldehydes to vinyl sulfones: enantioselective alpha-alkylations of aldehydes and their derivatives. , 2008, Organic letters.

[38]  Xinhong Yu,et al.  Hydrogen-bond-mediated asymmetric catalysis. , 2008, Chemistry, an Asian journal.

[39]  S. Connon.  Asymmetric catalysis with bifunctional cinchona alkaloid-based urea and thiourea organocatalysts. , 2008, Chemical communications.

[40]  Vincent A. Brunet,et al.  Katalytische asymmetrische Fluorierungen , 2008 .

[41]  D. O'Hagan,et al.  Catalytic asymmetric fluorination comes of age. , 2008, Angewandte Chemie.

[42]  Abigail G Doyle,et al.  Small-molecule H-bond donors in asymmetric catalysis. , 2007, Chemical reviews.

[43]  K. Uneyama.  Organofluorine Chemistry: Kenji/Organofluorine , 2007 .

[44]  G. Prakash,et al.  Selective fluoroalkylations with fluorinated sulfones, sulfoxides, and sulfides. , 2007, Accounts of chemical research.

[45]  Kyoko Takahashi,et al.  New sesquiterpenes and calebin derivatives from Curcuma longa. , 2007, Chemical & pharmaceutical bulletin.

[46]  C. Zhao,et al.  Organocatalytic highly enantioselective nitroaldol reaction of alpha-ketophosphonates and nitromethane. , 2007, Organic letters.

[47]  C. Zhao,et al.  Organocatalytic enantioselective synthesis of alpha-hydroxy phosphonates. , 2006, Journal of the American Chemical Society.

[48]  T. Akiyama,et al.  Recent Progress in Chiral Brønsted Acid Catalysis , 2006 .

[49]  D. Lim,et al.  N-thiolated β-lactams : A new family of anti-Bacillus agents , 2006 .

[50]  Eric N. Jacobsen,et al.  Asymmetrische Katalyse durch chirale Wasserstoffbrückendonoren , 2006 .

[51]  Mark S. Taylor,et al.  Asymmetric catalysis by chiral hydrogen-bond donors. , 2006, Angewandte Chemie.

[52]  Baomin Wang,et al.  Enantioselective nitroaldol reaction of alpha-ketoesters catalyzed by cinchona alkaloids. , 2006, Journal of the American Chemical Society.

[53]  P. Pihko.  Enantioselective α‐Fluorination of Carbonyl Compounds: Organocatalysis or Metal Catalysis? , 2006 .

[54]  Petri M. Pihko.  Enantioselektive α‐Fluorierung von Carbonylverbindungen: Organo‐ oder Metallkatalyse? , 2006 .

[55]  Gwilherm Evano,et al.  Total synthesis of reblastatin. , 2005, Journal of the American Chemical Society.

[56]  A. Alexakis,et al.  First organocatalyzed asymmetric Michael addition of aldehydes to vinyl sulfones. , 2005, Organic letters.

[57]  Jun‐An Ma,et al.  Asymmetric fluorination, trifluoromethylation, and perfluoroalkylation reactions. , 2004, Chemical reviews.

[58]  H. Ibrahim,et al.  Enantioselective halogenation reactions , 2004 .

[59]  B. Trost,et al.  5H-oxazol-4-ones as building blocks for asymmetric synthesis of alpha-hydroxycarboxylic acid derivatives. , 2004, Journal of the American Chemical Society.

[60]  P. Schreiner.  Metal-free organocatalysis through explicit hydrogen bonding interactions. , 2003, Chemical Society reviews.

[61]  S. Matsunaga,et al.  Direct catalytic asymmetric Michael reaction of hydroxyketones: asymmetric Zn catalysis with a Et2Zn/linked-BINOL complex. , 2003, Journal of the American Chemical Society.

[62]  M. V. Wittenau,et al.  Chemistry of Indolmycin , 2002 .

[63]  R. Pharis,et al.  Bioactivity of 25-hydroxy-, 26-hydroxy, 25,26-dihydroxy- and 25,26-epoxybrassinolide. , 2001, Phytochemistry.

[64]  R. Riccio,et al.  Polyoxygenated Marine Steroids from the Deep Water Starfish Styracaster caroli , 1994 .

[65]  T. Kinoshita,et al.  New diterpenoid antibiotics, spirocardins A and B. , 1989, The Journal of antibiotics.

[66]  E. Wulf,et al.  Ether derivatives of alpha-amanitin. Introduction of spacer moieties, lipophilic residues, and radioactive labels. , 1981, Biochemistry.

[67]  R. K. Hill,et al.  The absolute configuration of indolmycin. , 1970, The Journal of organic chemistry.

[68]  L. Hurley,et al.  Isolation and absolute configuration of indolmycenic acid, an intermediate in the biosynthesis of indolmycin by Streptomyces griseus. , 1970, Tetrahedron letters.

[69]  M. V. Wittenau,et al.  THE STRUCTURE OF INDOLMYCIN , 1961 .