Ohwada T - Search Results

1

Theoretical revisit of regioselectivities of diels-alder reactions: orbital-based reevaluation of multicentered reactivity in terms of reactive hybrid orbitals.

Hirao H, Ohwada T. Hirao H, et al. Among authors: ohwada t. J Phys Chem A. 2005 Feb 10;109(5):816-24. doi: 10.1021/jp048111y. J Phys Chem A. 2005. PMID: 16838952

2

Orbital Unsymmetrization Affects Facial Selectivities of Diels-Alder Dienophiles.

Okamoto I, Ohwada T, Shudo K. Okamoto I, et al. Among authors: ohwada t. J Org Chem. 1996 May 3;61(9):3155-3166. doi: 10.1021/jo9520811. J Org Chem. 1996. PMID: 11667179

3

Rationale for the acidity of Meldrum's acid. Consistent relation of C-H acidities to the properties of localized reactive orbital.

Nakamura S, Hirao H, Ohwada T. Nakamura S, et al. Among authors: ohwada t. J Org Chem. 2004 Jun 25;69(13):4309-16. doi: 10.1021/jo049456f. J Org Chem. 2004. PMID: 15202884

4

Theoretical analysis of Lewis basicity based on local electron-donating ability. Origin of basic strength of cyclic amines.

Ohwada T, Hirao H, Ogawa A. Ohwada T, et al. J Org Chem. 2004 Oct 29;69(22):7486-94. doi: 10.1021/jo0486589. J Org Chem. 2004. PMID: 15497973

5

Generation of orbitals that control molecular reactivity: projected reactive orbital approach.

Hirao H, Ohwada T. Hirao H, et al. Among authors: ohwada t. J Phys Chem A. 2005 Aug 25;109(33):7642-7. doi: 10.1021/jp0530294. J Phys Chem A. 2005. PMID: 16834136

6

Retro-Diels-Alder reaction of 4H-1,2-benzoxazines to generate o-quinone methides: involvement of highly polarized transition states.

Sugimoto H, Nakamura S, Ohwada T. Sugimoto H, et al. Among authors: ohwada t. J Org Chem. 2007 Dec 21;72(26):10088-95. doi: 10.1021/jo702246w. Epub 2007 Dec 1. J Org Chem. 2007. PMID: 18052075

7

Temperature-dependent fluorescence lifetime of a fluorescent polymeric thermometer, poly(N-isopropylacrylamide), labeled by polarity and hydrogen bonding sensitive 4-sulfamoyl-7-aminobenzofurazan.

Gota C, Uchiyama S, Yoshihara T, Tobita S, Ohwada T. Gota C, et al. Among authors: ohwada t. J Phys Chem B. 2008 Mar 13;112(10):2829-36. doi: 10.1021/jp709810g. Epub 2008 Feb 16. J Phys Chem B. 2008. PMID: 18278900

8

Nonplanar structures of thioamides derived from 7-azabicyclo[2.2.1]heptane. Electronically tunable planarity of thioamides.

Hori T, Otani Y, Kawahata M, Yamaguchi K, Ohwada T. Hori T, et al. Among authors: ohwada t. J Org Chem. 2008 Nov 21;73(22):9102-8. doi: 10.1021/jo801996b. Epub 2008 Oct 24. J Org Chem. 2008. PMID: 18947252

9

Orbital phase environments and stereoselectivities.

Ohwada T. Ohwada T. Top Curr Chem. 2010;289:129-81. doi: 10.1007/128_2008_38. Top Curr Chem. 2010. PMID: 21279574 Review.

10

Activation of electrophilicity of stable Y-delocalized carbamate cations in intramolecular aromatic substitution reaction: evidence for formation of diprotonated carbamates leading to generation of isocyanates.

Kurouchi H, Kawamoto K, Sugimoto H, Nakamura S, Otani Y, Ohwada T. Kurouchi H, et al. Among authors: ohwada t. J Org Chem. 2012 Oct 19;77(20):9313-28. doi: 10.1021/jo3020566. Epub 2012 Oct 10. J Org Chem. 2012. PMID: 23025848

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