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.
4. Highly enantioselective synthesis of nitrocyclopropanes via organocatalytic conjugate addition of bromomalonate to alpha,beta-unsaturated nitroalkenes. Xuan YN; Nie SZ; Dong LT; Zhang JM; Yan M Org Lett; 2009 Apr; 11(7):1583-6. PubMed ID: 19260703 [TBL] [Abstract][Full Text] [Related]
5. Cobalt-catalyzed asymmetric cyclopropanation with diazosulfones: rigidification and polarization of ligand chiral environment via hydrogen bonding and cyclization. Zhu S; Ruppel JV; Lu H; Wojtas L; Zhang XP J Am Chem Soc; 2008 Apr; 130(15):5042-3. PubMed ID: 18357991 [TBL] [Abstract][Full Text] [Related]
6. Alkene cyclopropanation catalyzed by Halterman iron porphyrin: participation of organic bases as axial ligands. Lai TS; Chan FY; So PK; Ma DL; Wong KY; Che CM Dalton Trans; 2006 Oct; (40):4845-51. PubMed ID: 17033710 [TBL] [Abstract][Full Text] [Related]
8. Expedient synthesis of cyclopropane alpha-amino acids by the catalytic asymmetric cyclopropanation of alkenes using iodonium ylides derived from methyl nitroacetate. Moreau B; Charette AB J Am Chem Soc; 2005 Dec; 127(51):18014-5. PubMed ID: 16366547 [TBL] [Abstract][Full Text] [Related]
9. Diastereoselective and enantioselective cyclopropanation of alkenes catalyzed by cobalt porphyrins. Huang L; Chen Y; Gao GY; Zhang XP J Org Chem; 2003 Oct; 68(21):8179-84. PubMed ID: 14535801 [TBL] [Abstract][Full Text] [Related]
10. Experimental evidence for the all-up reactive conformation of chiral rhodium(II) carboxylate catalysts: enantioselective synthesis of cis-cyclopropane alpha-amino acids. Lindsay VN; Lin W; Charette AB J Am Chem Soc; 2009 Nov; 131(45):16383-5. PubMed ID: 19860407 [TBL] [Abstract][Full Text] [Related]
11. Palladium(II) carboxylates and palladium(I) carbonyl carboxylate complexes as catalysts for olefin cyclopropanation with ethyl diazoacetate. Shishilov ON; Stromnova TA; Cámpora J; Palma P; Cartes MA; Martínez-Prieto LM Dalton Trans; 2009 Sep; (33):6626-33. PubMed ID: 19672507 [TBL] [Abstract][Full Text] [Related]
12. Comparative enantiocontrol with allyl phenyldiazoacetates in asymmetric catalytic intramolecular cyclopropanation. Doyle MP; Hu W; Weathers TM Chirality; 2003 May; 15(4):369-73. PubMed ID: 12666246 [TBL] [Abstract][Full Text] [Related]
13. Highly enantioselective synthesis of cyclopropylamine derivatives via Ru(II)-pheox-catalyzed direct asymmetric cyclopropanation of vinylcarbamates. Chanthamath S; Nguyen DT; Shibatomi K; Iwasa S Org Lett; 2013 Feb; 15(4):772-5. PubMed ID: 23360582 [TBL] [Abstract][Full Text] [Related]
14. Pyridinium ylide-assisted one-pot two-step tandem synthesis of polysubstituted cyclopropanes. Wang QF; Song XK; Chen J; Yan CG J Comb Chem; 2009; 11(6):1007-10. PubMed ID: 19603746 [TBL] [Abstract][Full Text] [Related]
15. Controllable diastereoselective cyclopropanation. Enantioselective synthesis of vinylcyclopropanes via chiral telluronium ylides. Liao WW; Li K; Tang Y J Am Chem Soc; 2003 Oct; 125(43):13030-1. PubMed ID: 14570468 [TBL] [Abstract][Full Text] [Related]
16. Stereoselective Rh2(S-IBAZ)4-catalyzed cyclopropanation of alkenes, alkynes, and allenes: asymmetric synthesis of diacceptor cyclopropylphosphonates and alkylidenecyclopropanes. Lindsay VN; Fiset D; Gritsch PJ; Azzi S; Charette AB J Am Chem Soc; 2013 Jan; 135(4):1463-70. PubMed ID: 23289770 [TBL] [Abstract][Full Text] [Related]
18. Asymmetric Rh(II)-catalyzed cyclopropanation of alkenes with diacceptor diazo compounds: p-methoxyphenyl ketone as a general stereoselectivity controlling group. Lindsay VN; Nicolas C; Charette AB J Am Chem Soc; 2011 Jun; 133(23):8972-81. PubMed ID: 21548649 [TBL] [Abstract][Full Text] [Related]
19. Enantioselective catalytic intramolecular cyclopropanation using modified cinchona alkaloid organocatalysts. Johansson CC; Bremeyer N; Ley SV; Owen DR; Smith SC; Gaunt MJ Angew Chem Int Ed Engl; 2006 Sep; 45(36):6024-8. PubMed ID: 16888822 [No Abstract] [Full Text] [Related]
20. Azaarene cis-dihydrodiol-derived 2,2'-bipyridine ligands for asymmetric allylic oxidation and cyclopropanation. Boyd DR; Sharma ND; Sbircea L; Murphy D; Belhocine T; Malone JF; James SL; Allen CC; Hamilton JT Chem Commun (Camb); 2008 Nov; (43):5535-7. PubMed ID: 18997943 [TBL] [Abstract][Full Text] [Related] [Next] [New Search]