386 related articles for article (PubMed ID: 28875215)
1. Stereodivergent Mannich reaction of bis(trimethylsilyl)ketene acetals with N-tert-butanesulfinyl imines by Lewis acid or Lewis base activation, a one-pot protocol to obtain chiral β-amino acids.
Cantú-Reyes M; Alvarado-Beltrán I; Ballinas-Indilí R; Álvarez-Toledano C; Hernández-Rodríguez M
Org Biomol Chem; 2017 Sep; 15(36):7705-7709. PubMed ID: 28875215
[TBL] [Abstract][Full Text] [Related]
2. Highly enantioselective Mannich reactions with α-aryl silyl ketene acetals and imines.
Notte GT; Baxter Vu JM; Leighton JL
Org Lett; 2011 Feb; 13(4):816-8. PubMed ID: 21235253
[TBL] [Abstract][Full Text] [Related]
3. A new silicon lewis acid for highly enantioselective mannich reactions of aliphatic ketone-derived hydrazones.
Notte GT; Leighton JL
J Am Chem Soc; 2008 May; 130(21):6676-7. PubMed ID: 18444641
[TBL] [Abstract][Full Text] [Related]
4. Rearrangement of N-tert-butanesulfinyl α-halo imines with alkoxides to N-tert-butanesulfinyl 2-amino acetals as precursors of N-protected and N-unprotected α-amino carbonyl compounds.
Colpaert F; Mangelinckx S; Denolf B; De Kimpe N
J Org Chem; 2012 Jul; 77(14):6023-32. PubMed ID: 22747442
[TBL] [Abstract][Full Text] [Related]
5. Stereodivergent synthesis of beta-lactams using thermal rearrangement of aminocyclobutenones.
Hachiya I; Yoshitomi T; Yamaguchi Y; Shimizu M
Org Lett; 2009 Aug; 11(15):3266-8. PubMed ID: 19572744
[TBL] [Abstract][Full Text] [Related]
6. Lewis Acid Catalyzed Synthesis of α-Trifluoromethyl Esters and Lactones by Electrophilic Trifluoromethylation.
Katayev D; Matoušek V; Koller R; Togni A
Org Lett; 2015 Dec; 17(23):5898-901. PubMed ID: 26588788
[TBL] [Abstract][Full Text] [Related]
7. A highly diastereoselective synthesis of α-hydroxy-β-amino acid derivatives via a Lewis acid catalyzed three-component condensation reaction.
Gassa F; Contini A; Fontana G; Pellegrino S; Gelmi ML
J Org Chem; 2010 Nov; 75(21):7099-106. PubMed ID: 20945864
[TBL] [Abstract][Full Text] [Related]
8. Enantioselective addition of ketene silyl acetals to nitrones catalyzed by chiral titanium complexes. Synthesis of optically active beta-amino acids.
Murahashi S; Imada Y; Kawakami T; Harada K; Yonemushi Y; Tomita N
J Am Chem Soc; 2002 Mar; 124(12):2888-9. PubMed ID: 11902876
[TBL] [Abstract][Full Text] [Related]
9. Organocatalytic Synthesis of Highly Functionalized Heterocycles by Enantioselective aza-Morita-Baylis-Hillman-Type Domino Reactions.
Takizawa S
Chem Pharm Bull (Tokyo); 2020; 68(4):299-315. PubMed ID: 32238648
[TBL] [Abstract][Full Text] [Related]
10. Synthesis of α,α-disubstituted α-amino esters: nucleophilic addition to iminium salts generated from amino ketene silyl acetals.
Hata S; Koyama H; Shimizu M
J Org Chem; 2011 Dec; 76(23):9670-7. PubMed ID: 22011263
[TBL] [Abstract][Full Text] [Related]
11. Lewis base activation of Lewis acids: catalytic, enantioselective addition of glycolate-derived silyl ketene acetals to aldehydes.
Denmark SE; Chung WJ
J Org Chem; 2008 Jun; 73(12):4582-95. PubMed ID: 18505296
[TBL] [Abstract][Full Text] [Related]
12. The first catalytic highly enantioselective alkylation of ketimines--a novel approach to optically active quaternary alpha-amino acids.
Saaby S; Nakama K; Lie MA; Hazell RG; Jørgensen KA
Chemistry; 2003 Dec; 9(24):6145-54. PubMed ID: 14679526
[TBL] [Abstract][Full Text] [Related]
13. Enantioselective construction of vicinal tetrasubstituted stereocenters by the mannich reaction of silyl ketene imines with isatin-derived ketimines.
Zhao J; Fang B; Luo W; Hao X; Liu X; Lin L; Feng X
Angew Chem Int Ed Engl; 2015 Jan; 54(1):241-4. PubMed ID: 25382688
[TBL] [Abstract][Full Text] [Related]
14. A concise synthesis of tubuphenylalanine and epi-tubuphenylalanine via a diastereoselective Mukaiyama aldol reaction of silyl ketene acetal.
Park Y; Sim M; Chang TS; Ryu JS
Org Biomol Chem; 2016 Jan; 14(3):913-9. PubMed ID: 26608925
[TBL] [Abstract][Full Text] [Related]
15. Stereoselective formation of N-acyliminium ion via chiral N,O-acetal TMS ether and its application to the synthesis of beta-amino acids.
Shin DY; Jung JK; Seo SY; Lee YS; Paek SM; Chung YK; Shin DM; Suh YG
Org Lett; 2003 Oct; 5(20):3635-8. PubMed ID: 14507191
[TBL] [Abstract][Full Text] [Related]
16. Asymmetric cyclization reactions of allenoates with imines or α,β-unsaturated ketones catalyzed by organocatalysts derived from cinchona alkaloids.
Pei CK; Shi M
Chemistry; 2012 May; 18(22):6712-6. PubMed ID: 22532337
[TBL] [Abstract][Full Text] [Related]
17. Asymmetric synthesis of β-amino nitriles through a Sc(III)-catalyzed three-component Mannich reaction of silyl ketene imines.
Zhao J; Liu X; Luo W; Xie M; Lin L; Feng X
Angew Chem Int Ed Engl; 2013 Mar; 52(12):3473-7. PubMed ID: 23404866
[No Abstract] [Full Text] [Related]
18. Dual metal and Lewis base catalysis approach for asymmetric synthesis of dihydroquinolines and the α-arylation of aldehydes via N-acyliminium ions.
Volla CM; Fava E; Atodiresei I; Rueping M
Chem Commun (Camb); 2015 Nov; 51(87):15788-91. PubMed ID: 26365533
[TBL] [Abstract][Full Text] [Related]
19. Catalytic enantioselective addition of propionate units to imines: an efficient synthesis of anti-alpha-methyl-beta-amino acid derivatives.
Kobayashi S; Kobayashi J; Ishitani H; Ueno M
Chemistry; 2002 Sep; 8(18):4185-90. PubMed ID: 12298008
[TBL] [Abstract][Full Text] [Related]
20. Catalytic asymmetric protonation of silyl ketene imines.
Guin J; Varseev G; List B
J Am Chem Soc; 2013 Feb; 135(6):2100-3. PubMed ID: 23362931
[TBL] [Abstract][Full Text] [Related]
[Next] [New Search]
