Um JM - Search Results

1

Computational investigation of the competition between the concerted Diels-Alder reaction and formation of diradicals in reactions of acrylonitrile with nonpolar dienes.

James NC, Um JM, Padias AB, Hall HK Jr, Houk KN. James NC, et al. Among authors: um jm. J Org Chem. 2013 Jul 5;78(13):6582-92. doi: 10.1021/jo400900x. Epub 2013 Jun 24. J Org Chem. 2013. PMID: 23758325 Free PMC article.

2

Origin of stereoselectivity in the reduction of a planar oxacarbenium.

Um JM, Houk KN, Phillips AJ. Um JM, et al. Org Lett. 2008 Sep 4;10(17):3769-72. doi: 10.1021/ol801421n. Epub 2008 Jul 23. Org Lett. 2008. PMID: 18646767 Free PMC article.

3

Thermodynamic control of the electrocyclic ring opening of cyclobutenes: C=X substituents at C-3 mask the kinetic torquoselectivity.

Um JM, Xu H, Houk KN, Tang W. Um JM, et al. J Am Chem Soc. 2009 May 20;131(19):6664-5. doi: 10.1021/ja9016446. J Am Chem Soc. 2009. PMID: 19402639 Free PMC article.

4

Quantum mechanical investigation of the effect of catalyst fluorination in the intermolecular asymmetric Stetter reaction.

Um JM, DiRocco DA, Noey EL, Rovis T, Houk KN. Um JM, et al. J Am Chem Soc. 2011 Jul 27;133(29):11249-54. doi: 10.1021/ja202444g. Epub 2011 Jul 6. J Am Chem Soc. 2011. PMID: 21675770 Free PMC article.

5

Origins of stereoselectivity in the oxido-alkylidenation of alkynes.

Canterbury DP, Frontier AJ, Um JM, Cheong PH, Goldfeld DA, Huhn RA, Houk KN. Canterbury DP, et al. Among authors: um jm. Org Lett. 2008 Oct 16;10(20):4597-600. doi: 10.1021/ol8019154. Epub 2008 Sep 18. Org Lett. 2008. PMID: 18798638 Free PMC article.

6

Synthesis and C-alkylation of hindered aldehyde enamines.

Hodgson DM, Bray CD, Kindon ND, Reynolds NJ, Coote SJ, Um JM, Houk KN. Hodgson DM, et al. Among authors: um jm. J Org Chem. 2009 Feb 6;74(3):1019-28. doi: 10.1021/jo802016t. J Org Chem. 2009. PMID: 19105636

7

Nature of intermediates in organo-SOMO catalysis of alpha-arylation of aldehydes.

Um JM, Gutierrez O, Schoenebeck F, Houk KN, MacMillan DW. Um JM, et al. J Am Chem Soc. 2010 May 5;132(17):6001-5. doi: 10.1021/ja9063074. J Am Chem Soc. 2010. PMID: 20387888 Free PMC article.

8

Transition states and origins of 1,4-asymmetric induction in alkylations of 2,2,6-trialkylpiperidine enamines.

Um JM, Kaka NS, Hodgson DM, Houk KN. Um JM, et al. Chemistry. 2010 Jun 1;16(21):6310-6. doi: 10.1002/chem.201000046. Chemistry. 2010. PMID: 20411546 Free PMC article.

9

Computational investigations of the stereoselectivities of proline-related catalysts for aldol reactions.

Allemann C, Um JM, Houk KN. Allemann C, et al. Among authors: um jm. J Mol Catal A Chem. 2010 Jun 1;324(1-2):31-38. doi: 10.1016/j.molcata.2010.03.020. J Mol Catal A Chem. 2010. PMID: 20634993 Free PMC article.

10

Oxyallyl exposed: an open-shell singlet with picosecond lifetimes in solution but persistent in crystals of a cyclobutanedione precursor.

Kuzmanich G, Spänig F, Tsai CK, Um JM, Hoekstra RM, Houk KN, Guldi DM, Garcia-Garibay MA. Kuzmanich G, et al. Among authors: um jm. J Am Chem Soc. 2011 Mar 2;133(8):2342-5. doi: 10.1021/ja109494b. Epub 2011 Feb 7. J Am Chem Soc. 2011. PMID: 21299211 Free PMC article.

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