Ruppel JV - Search Results

1

Highly asymmetric cobalt-catalyzed aziridination of alkenes with trichloroethoxysulfonyl azide (TcesN3).

Subbarayan V, Ruppel JV, Zhu S, Perman JA, Zhang XP. Subbarayan V, et al. Among authors: ruppel jv. Chem Commun (Camb). 2009 Jul 28;(28):4266-8. doi: 10.1039/b905727g. Epub 2009 Jun 11. Chem Commun (Camb). 2009. PMID: 19585042

2

Cobalt-catalyzed asymmetric cyclopropanation of electron-deficient olefins.

Chen Y, Ruppel JV, Zhang XP. Chen Y, et al. Among authors: ruppel jv. J Am Chem Soc. 2007 Oct 10;129(40):12074-5. doi: 10.1021/ja074613o. Epub 2007 Sep 18. J Am Chem Soc. 2007. PMID: 17877352 No abstract available.

3

Cobalt-catalyzed intermolecular C-H amination with bromamine-T as nitrene source.

Harden JD, Ruppel JV, Gao GY, Zhang XP. Harden JD, et al. Among authors: ruppel jv. Chem Commun (Camb). 2007 Nov 28;(44):4644-6. doi: 10.1039/b710677g. Epub 2007 Sep 3. Chem Commun (Camb). 2007. PMID: 17989819

4

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. Zhu S, et al. Among authors: ruppel jv. J Am Chem Soc. 2008 Apr 16;130(15):5042-3. doi: 10.1021/ja7106838. Epub 2008 Mar 22. J Am Chem Soc. 2008. PMID: 18357991

5

A highly effective cobalt catalyst for olefin aziridination with azides: hydrogen bonding guided catalyst design.

Ruppel JV, Jones JE, Huff CA, Kamble RM, Chen Y, Zhang XP. Ruppel JV, et al. Org Lett. 2008 May 15;10(10):1995-8. doi: 10.1021/ol800588p. Epub 2008 Apr 19. Org Lett. 2008. PMID: 18422325

6

Cobalt-catalyzed asymmetric olefin aziridination with diphenylphosphoryl azide.

Jones JE, Ruppel JV, Gao GY, Moore TM, Zhang XP. Jones JE, et al. Among authors: ruppel jv. J Org Chem. 2008 Sep 19;73(18):7260-5. doi: 10.1021/jo801151x. Epub 2008 Aug 19. J Org Chem. 2008. PMID: 18710285

7

Cobalt-catalyzed intramolecular C-H amination with arylsulfonyl azides.

Ruppel JV, Kamble RM, Zhang XP. Ruppel JV, et al. Org Lett. 2007 Nov 8;9(23):4889-92. doi: 10.1021/ol702265h. Epub 2007 Oct 13. Org Lett. 2007. PMID: 17935344

8

Synthesis of diporphyrins via palladium-catalyzed C-O bond formation: effective access to chiral diporphyrins.

Gao GY, Ruppel JV, Fields KB, Xu X, Chen Y, Zhang XP. Gao GY, et al. Among authors: ruppel jv. J Org Chem. 2008 Jul 4;73(13):4855-8. doi: 10.1021/jo800443n. Epub 2008 Jun 10. J Org Chem. 2008. PMID: 18540646

9

Asymmetric Co(II)-catalyzed cyclopropanation with succinimidyl diazoacetate: general synthesis of chiral cyclopropyl carboxamides.

Ruppel JV, Gauthier TJ, Snyder NL, Perman JA, Zhang XP. Ruppel JV, et al. Org Lett. 2009 Jun 4;11(11):2273-6. doi: 10.1021/ol9005882. Org Lett. 2009. PMID: 19413344

10

Highly asymmetric intramolecular cyclopropanation of acceptor-substituted diazoacetates by Co(II)-based metalloradical catalysis: iterative approach for development of new-generation catalysts.

Xu X, Lu H, Ruppel JV, Cui X, Lopez de Mesa S, Wojtas L, Zhang XP. Xu X, et al. Among authors: ruppel jv. J Am Chem Soc. 2011 Oct 5;133(39):15292-5. doi: 10.1021/ja2062506. Epub 2011 Sep 8. J Am Chem Soc. 2011. PMID: 21870825

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