These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.
2. Asymmetric synthesis of bicyclic piperidines via L-proline catalyzed aldol reaction of 3-phthalimidopropanal. Zhang F; Peng Y; Gong Y Chirality; 2008 Jun; 20(6):805-11. PubMed ID: 18306293 [TBL] [Abstract][Full Text] [Related]
3. One-pot asymmetric synthesis of γ-nitroaldehydes from aldehydes and nitroalkanes through a catalytic tandem reaction using an amino acid lithium salt. Yoshida M; Kitamikado N; Ikehara H; Hara S J Org Chem; 2011 Apr; 76(7):2305-9. PubMed ID: 21388203 [TBL] [Abstract][Full Text] [Related]
4. Primary amino acid lithium salt as a catalyst for asymmetric Michael addition of isobutyraldehyde with beta-nitroalkenes. Sato A; Yoshida M; Hara S Chem Commun (Camb); 2008 Dec; (46):6242-4. PubMed ID: 19082133 [TBL] [Abstract][Full Text] [Related]
5. Organocatalytic asymmetric domino Michael-Henry reaction for the synthesis of substituted bicyclo[3.2.1]octan-2-ones. Tsakos M; Elsegood MR; Kokotos CG Chem Commun (Camb); 2013 Mar; 49(22):2219-21. PubMed ID: 23392546 [TBL] [Abstract][Full Text] [Related]
6. Asymmetric Michael addition of aldehydes to nitroalkenes using a primary amino acid lithium salt. Yoshida M; Sato A; Hara S Org Biomol Chem; 2010 Jun; 8(13):3031-6. PubMed ID: 20461274 [TBL] [Abstract][Full Text] [Related]
7. A novel highly selective chiral auxiliary for the asymmetric synthesis of L- and D-alpha-amino acid derivatives via a multicomponent Ugi reaction. Basso A; Banfi L; Riva R; Guanti G J Org Chem; 2005 Jan; 70(2):575-9. PubMed ID: 15651804 [TBL] [Abstract][Full Text] [Related]
8. Quantum mechanical predictions of the stereoselectivities of proline-catalyzed asymmetric intermolecular aldol reactions. Bahmanyar S; Houk KN; Martin HJ; List B J Am Chem Soc; 2003 Mar; 125(9):2475-9. PubMed ID: 12603135 [TBL] [Abstract][Full Text] [Related]
9. Organocatalytic asymmetric robinson annulation of alpha,beta-unsaturated aldehydes: applications to the total synthesis of (+)-palitantin. Hong BC; Wu MF; Tseng HC; Huang GF; Su CF; Liao JH J Org Chem; 2007 Oct; 72(22):8459-71. PubMed ID: 17919000 [TBL] [Abstract][Full Text] [Related]
10. Highly enantio- and diastereoselective organocatalytic desymmetrization of prochiral cyclohexanones by simple direct aldol reaction catalyzed by proline. Companyó X; Valero G; Crovetto L; Moyano A; Rios R Chemistry; 2009 Jul; 15(27):6564-8. PubMed ID: 19405053 [No Abstract] [Full Text] [Related]
11. Asymmetric Michael reaction catalyzed by proline lithium salt: efficient synthesis of L-proline and isoindoloisoquinolinone derivatives. Xu K; Zhang S; Hu Y; Zha Z; Wang Z Chemistry; 2013 Mar; 19(11):3573-8. PubMed ID: 23401374 [No Abstract] [Full Text] [Related]
12. An organocatalytic cascade reaction of 2-nitrocyclohexanone and α,β-unsaturated aldehydes with unusual regioselectivity. Xuan YN; Chen ZY; Yan M Chem Commun (Camb); 2014 Sep; 50(72):10471-3. PubMed ID: 25068210 [TBL] [Abstract][Full Text] [Related]
13. Asymmetric aldol reaction organocatalyzed by (S)-proline-containing dipeptides: improved stereoinduction under solvent-free conditions. Hernández JG; Juaristi E J Org Chem; 2011 Mar; 76(5):1464-7. PubMed ID: 21250720 [TBL] [Abstract][Full Text] [Related]
14. Direct aldol reactions catalyzed by a heterogeneous guanidinium salt/proline system under solvent-free conditions. Martínez-Castañeda Á; Poladura B; Rodríguez-Solla H; Concellón C; del Amo V Org Lett; 2011 Jun; 13(12):3032-5. PubMed ID: 21568268 [TBL] [Abstract][Full Text] [Related]
15. Amino acid mediated intramolecular asymmetric aldol reaction to construct a new chiral bicyclic enedione containing a seven-membered ring: remarkable inversion of enantioselectivity compared to the six-membered ring example. Nagamine T; Inomata K; Endo Y; Paquette LA J Org Chem; 2007 Jan; 72(1):123-31. PubMed ID: 17194090 [TBL] [Abstract][Full Text] [Related]
16. Design of an axially chiral amino acid with a binaphthyl backbone as an organocatalyst for a direct asymmetric aldol reaction. Kano T; Takai J; Tokuda O; Maruoka K Angew Chem Int Ed Engl; 2005 May; 44(20):3055-7. PubMed ID: 15828036 [No Abstract] [Full Text] [Related]
17. Asymmetric synthesis of quaternary alpha- and beta-amino acids and beta-lactams via proline-catalyzed mannich reactions with branched aldehyde donors. Chowdari NS; Suri JT; Barbas CF Org Lett; 2004 Jul; 6(15):2507-10. PubMed ID: 15255677 [TBL] [Abstract][Full Text] [Related]
18. Readily tunable and bifunctional L-prolinamide derivatives: design and application in the direct enantioselective Aldol reactions. Chen JR; Lu HH; Li XY; Cheng L; Wan J; Xiao WJ Org Lett; 2005 Sep; 7(20):4543-5. PubMed ID: 16178579 [TBL] [Abstract][Full Text] [Related]