663 related articles for article (PubMed ID: 18688823)
1. Chiral N-heterocyclic carbene-catalyzed formal [4+2] cycloaddition of ketenes with enones: highly enantioselective synthesis of trans- and cis-delta-lactones.
Zhang YR; Lv H; Zhou D; Ye S
Chemistry; 2008; 14(28):8473-6. PubMed ID: 18688823
[No Abstract] [Full Text] [Related]
2. Enantioselective synthesis of beta-trifluoromethyl-beta-lactones via NHC-catalyzed ketene-ketone cycloaddition reactions.
Wang XN; Shao PL; Lv H; Ye S
Org Lett; 2009 Sep; 11(18):4029-31. PubMed ID: 19681591
[TBL] [Abstract][Full Text] [Related]
3. Enantioselective [4+2] cycloaddition of ketenes and 1-azadienes catalyzed by N-heterocyclic carbenes.
Jian TY; Shao PL; Ye S
Chem Commun (Camb); 2011 Feb; 47(8):2381-3. PubMed ID: 21165498
[TBL] [Abstract][Full Text] [Related]
4. Enantioselective synthesis of aza-beta-lactams via NHC-catalyzed [2 + 2] cycloaddition of ketenes with diazenedicarboxylates.
Huang XL; Chen XY; Ye S
J Org Chem; 2009 Oct; 74(19):7585-7. PubMed ID: 19722509
[TBL] [Abstract][Full Text] [Related]
5. N-Heterocyclic carbene catalysis: enantioselective formal [2+2] cycloaddition of ketenes and N-sulfinylanilines.
Jian TY; He L; Tang C; Ye S
Angew Chem Int Ed Engl; 2011 Sep; 50(39):9104-7. PubMed ID: 21919141
[No Abstract] [Full Text] [Related]
6. N-heterocyclic carbene-catalyzed [4 + 2] cycloaddition of ketenes and 3-aroylcoumarins: highly enantioselective synthesis of dihydrocoumarin-fused dihydropyranones.
Jian TY; Chen XY; Sun LH; Ye S
Org Biomol Chem; 2013 Jan; 11(1):158-63. PubMed ID: 23117299
[TBL] [Abstract][Full Text] [Related]
7. Formal cycloaddition of disubstituted ketenes with 2-oxoaldehydes catalyzed by chiral N-heterocyclic carbenes.
He L; Lv H; Zhang YR; Ye S
J Org Chem; 2008 Oct; 73(20):8101-3. PubMed ID: 18816140
[TBL] [Abstract][Full Text] [Related]
8. Chiral N-heterocyclic carbene catalyzed, enantioselective oxodiene Diels-Alder reactions with low catalyst loadings.
He M; Uc GJ; Bode JW
J Am Chem Soc; 2006 Nov; 128(47):15088-9. PubMed ID: 17117850
[TBL] [Abstract][Full Text] [Related]
9. [4+2] cycloaddition of ketenes with N-benzoyldiazenes catalyzed by N-heterocyclic carbenes.
Huang XL; He L; Shao PL; Ye S
Angew Chem Int Ed Engl; 2009; 48(1):192-5. PubMed ID: 19040237
[No Abstract] [Full Text] [Related]
10. Enantioselective formal [2+2] cycloaddition of ketenes with nitroso compounds catalyzed by N-heterocyclic carbenes.
Wang T; Huang XL; Ye S
Org Biomol Chem; 2010 Nov; 8(21):5007-11. PubMed ID: 20820659
[TBL] [Abstract][Full Text] [Related]
11. DFT study on the reaction mechanisms and stereoselectivities of NHC-catalyzed [2 + 2] cycloaddition between arylalkylketenes and electron-deficient benzaldehydes.
Zhang M; Wei D; Wang Y; Li S; Liu J; Zhu Y; Tang M
Org Biomol Chem; 2014 Sep; 12(33):6374-83. PubMed ID: 24940721
[TBL] [Abstract][Full Text] [Related]
12. Asymmetric synthesis of highly substituted beta-lactones by nucleophile-catalyzed [2+2] cycloadditions of disubstituted ketenes with aldehydes.
Wilson JE; Fu GC
Angew Chem Int Ed Engl; 2004 Nov; 43(46):6358-60. PubMed ID: 15558690
[No Abstract] [Full Text] [Related]
13. Chiral N-heterocyclic carbene catalyzed staudinger reaction of ketenes with imines: highly enantioselective synthesis of N-Boc beta-lactams.
Zhang YR; He L; Wu X; Shao PL; Ye S
Org Lett; 2008 Jan; 10(2):277-80. PubMed ID: 18085789
[TBL] [Abstract][Full Text] [Related]
14. N-heterocyclic carbene-catalyzed Ireland-Coates Claisen rearrangement: synthesis of functionalized β-lactones.
Candish L; Lupton DW
J Am Chem Soc; 2013 Jan; 135(1):58-61. PubMed ID: 23244238
[TBL] [Abstract][Full Text] [Related]
15. Asymmetric esterification of ketenes catalyzed by an N-heterocyclic carbene.
Wang XN; Lv H; Huang XL; Ye S
Org Biomol Chem; 2009 Jan; 7(2):346-50. PubMed ID: 19109680
[TBL] [Abstract][Full Text] [Related]
16. Enantioselective synthesis of indole-fused dihydropyranones via catalytic cycloaddition of ketenes and 3-alkylenyloxindoles.
Lv H; Chen XY; Sun LH; Ye S
J Org Chem; 2010 Oct; 75(20):6973-6. PubMed ID: 20843084
[TBL] [Abstract][Full Text] [Related]
17. Amine-catalyzed coupling of aldehydes and ketenes derived from Fischer carbene complexes: formation of beta-lactones and enol ethers.
Merlic CA; Doroh BC
J Org Chem; 2003 Jul; 68(15):6056-9. PubMed ID: 12868950
[TBL] [Abstract][Full Text] [Related]
18. N-heterocyclic carbene catalyzed [4+3] annulation of enals and o-quinone methides: highly enantioselective synthesis of benzo-ε-lactones.
Lv H; Jia WQ; Sun LH; Ye S
Angew Chem Int Ed Engl; 2013 Aug; 52(33):8607-10. PubMed ID: 23818406
[No Abstract] [Full Text] [Related]
19. Enantioselective beta-lactone formation from ketene and aldehydes catalyzed by a chiral oxazaborolidine.
Gnanadesikan V; Corey EJ
Org Lett; 2006 Oct; 8(21):4943-5. PubMed ID: 17020342
[TBL] [Abstract][Full Text] [Related]
20. NHC-mediated enantioselective formal [4 + 2] cycloadditions of alkylarylketenes and β,γ-unsaturated α-ketocarboxylic esters and amides.
Leckie SM; Brown TB; Pryde D; Lebl T; Slawin AM; Smith AD
Org Biomol Chem; 2013 May; 11(19):3230-46. PubMed ID: 23584232
[TBL] [Abstract][Full Text] [Related]
[Next] [New Search]
