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Regina Mitchell, M.D.

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Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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  1. Ayub K, Mitchell RH. Syntheses of dihydropyrene-cyclophanediene negative photochromes containing internal alkenyl and alkynyl groups and comparison of their photochemical and thermochemical properties. J Org Chem. 2014 Jan 17; 79(2):664-78. PMID: 24364814.
    View in: PubMed
  2. Williams RV, Edwards WD, Zhang P, Berg DJ, Mitchell RH. Experimental verification of the homoaromaticity of 1,3,5-cycloheptatriene and evaluation of the aromaticity of tropone and the tropylium cation by use of the dimethyldihydropyrene probe. J Am Chem Soc. 2012 Oct 10; 134(40):16742-52. PMID: 22998507.
    View in: PubMed
  3. Mitchell RH, Zhang P, Berg DJ, Williams RV. An experimental estimate of the relative aromaticity of the cyclooctatetraene dianion by fusion to dimethyldihydropyrene. Chem Commun (Camb). 2012 Aug 21; 48(65):8144-6. PMID: 22781626.
    View in: PubMed
  4. Ayub K, Li R, Bohne C, Williams RV, Mitchell RH. Calculation driven synthesis of an excellent dihydropyrene negative photochrome and its photochemical properties. J Am Chem Soc. 2011 Mar 23; 133(11):4040-5. PMID: 21344935.
    View in: PubMed
  5. Robinson SG, Sauro VA, Mitchell RH. Oligothiophene functionalized dimethyldihydropyrenes I: syntheses and photochromicity. J Org Chem. 2009 Sep 04; 74(17):6592-605. PMID: 19642625.
    View in: PubMed
  6. Robinson SG, Lonergan MC, Mitchell RH. Oligothiophene functionalized dimethyldihydropyrenes II: electrochemical and conductive properties. J Org Chem. 2009 Sep 04; 74(17):6606-14. PMID: 19711994.
    View in: PubMed
  7. Mitchell RH, Zhang R, Berg DJ, Twamley B, Williams RV. Measuring aromaticity with the dimethyldihydropyrene ring current probe. Experimental and computational studies of the fulvenes and the strongly antiaromatic cyclopentadienone reveal large Mills-Nixon-type bond localization effects. Synthesis of fulvene-fused dihydropyrenes. J Am Chem Soc. 2009 Jan 14; 131(1):189-99. PMID: 19128177.
    View in: PubMed
  8. Laali KK, Okazaki T, Mitchell RH, Ayub K, Zhang R, Robinson SG. Stable ion NMR and GIAO-DFT study of novel cations from 8,16-dicyano[2.2]metacyclophanedienes and from strategically substituted/benzannelated dihydropyrenes: charge-induced tropicity modulation and pi-switching. J Org Chem. 2008 Jan 18; 73(2):457-66. PMID: 18154300.
    View in: PubMed
  9. Ayub K, Zhang R, Robinson SG, Twamley B, Williams RV, Mitchell RH. Suppressing the thermal metacyclophanediene to dihydropyrene isomerization: synthesis and rearrangement of 8,16-dicyano[2.2]metacyclophane-1,9-diene and evidence supporting the proposed biradicaloid mechanism. J Org Chem. 2008 Jan 18; 73(2):451-6. PMID: 18154301.
    View in: PubMed
  10. Mitchell RH, Bohne C, Robinson SG, Yang Y. The effect of addition of fluorescent moieties to dihydropyrenes: enhancing photochromicity and fluorescence monitoring. J Org Chem. 2007 Oct 12; 72(21):7939-46. PMID: 17880140.
    View in: PubMed
  11. Lee HW, Robinson SG, Bandyopadhyay S, Mitchell RH, Sen D. Reversible photo-regulation of a hammerhead ribozyme using a diffusible effector. J Mol Biol. 2007 Aug 31; 371(5):1163-73. PMID: 17619022.
    View in: PubMed
  12. Andréasson J, Straight SD, Bandyopadhyay S, Mitchell RH, Moore TA, Moore AL, Gust D. Molecular 2:1 digital multiplexer. Angew Chem Int Ed Engl. 2007; 46(6):958-61. PMID: 17183518.
    View in: PubMed
  13. Mitchell RH, Bohne C, Wang Y, Bandyopadhyay S, Wozniak CB. Multistate pi switches: synthesis and photochemistry of a molecule containing three switchable annelated dihydropyrene units. J Org Chem. 2006 Jan 06; 71(1):327-36. PMID: 16388652.
    View in: PubMed
  14. Mitchell RH, Zhang R, Fan W, Berg DJ. Measuring antiaromaticity by an analysis of ring current and coupling constant changes in a cyclopentadienone-fused dihydropyrene. J Am Chem Soc. 2005 Nov 23; 127(46):16251-4. PMID: 16287317.
    View in: PubMed
  15. Williams RV, Edwards WD, Mitchell RH, Robinson SG. A DFT study of the thermal, orbital symmetry forbidden, cyclophanediene to dihydropyrene electrocyclic reaction. Predictions to improve the dimethyldihydropyrene photoswitches. J Am Chem Soc. 2005 Nov 23; 127(46):16207-14. PMID: 16287311.
    View in: PubMed
  16. Straight SD, Andréasson J, Kodis G, Bandyopadhyay S, Mitchell RH, Moore TA, Moore AL, Gust D. Molecular AND and INHIBIT gates based on control of porphyrin fluorescence by photochromes. J Am Chem Soc. 2005 Jul 06; 127(26):9403-9. PMID: 15984867.
    View in: PubMed
  17. Mitchell RH, Blunden R, Hollett G, Bandyopadhyay S, Williams RV, Twamley B. 13-methyl-2,6-dithia[7]metacyclophane: a useful molecule to connect VT NMR results and structure with calculations. J Org Chem. 2005 Jan 21; 70(2):675-80. PMID: 15651817.
    View in: PubMed
  18. Andréasson J, Kodis G, Terazono Y, Liddell PA, Bandyopadhyay S, Mitchell RH, Moore TA, Moore AL, Gust D. Molecule-based photonically switched half-adder. J Am Chem Soc. 2004 Dec 15; 126(49):15926-7. PMID: 15584702.
    View in: PubMed
  19. Mitchell RH, Bandyopadhyay S. Linked photoswitches where both photochromes open and close. Org Lett. 2004 May 27; 6(11):1729-32. PMID: 15151400.
    View in: PubMed
  20. Liddell PA, Kodis G, Andréasson J, de la Garza L, Bandyopadhyay S, Mitchell RH, Moore TA, Moore AL, Gust D. Photonic switching of photoinduced electron transfer in a dihydropyrene-porphyrin-fullerene molecular triad. J Am Chem Soc. 2004 Apr 21; 126(15):4803-11. PMID: 15080684.
    View in: PubMed
  21. Mitchell RH, Fan W, Lau DY, Berg DJ. An annulene-fused cyclopentadienide. A photochromic cyclopentadienodimethyldihydropyrene where the fused cyclopentadienide group resembles benzene in its effect on the dihydropyrene-metacyclophanediene valence isomerization. J Org Chem. 2004 Jan 23; 69(2):549-54. PMID: 14725472.
    View in: PubMed
  22. Mitchell RH, Brkic Z, Sauro VA, Berg DJ. A photochromic, electrochromic, thermochromic Ru complexed benzannulene: an organometallic example of the dimethyldihydropyrene-metacyclophanediene valence isomerization. J Am Chem Soc. 2003 Jun 25; 125(25):7581-5. PMID: 12812498.
    View in: PubMed
  23. Mitchell RH, Ward TR, Chen Y, Wang Y, Weerawarna SA, Dibble PW, Marsella MJ, Almutairi A, Wang ZQ. Synthesis and photochromic properties of molecules containing [e]-annelated dihydropyrenes. Two and three way pi-switches based on the dimethyldihydropyrene-metacyclophanediene valence isomerization. J Am Chem Soc. 2003 Mar 12; 125(10):2974-88. PMID: 12617665.
    View in: PubMed
  24. Sheepwash MA, Ward TR, Wang Y, Bandyopadhyay S, Mitchell RH, Bohne C. Mechanistic studies on the photochromism of [e]-annelated dimethyldihydropyrenes. Photochem Photobiol Sci. 2003 Feb; 2(2):104-12. PMID: 12664969.
    View in: PubMed
  25. Kimball DB, Haley MM, Mitchell RH, Ward TR, Bandyopadhyay S, Williams RV, Armantrout JR. Dimethyldihydropyrene-dehydrobenzoannulene hybrids: studies in aromaticity and photoisomerization. J Org Chem. 2002 Dec 13; 67(25):8798-811. PMID: 12467392.
    View in: PubMed
  26. Williams RV, Armantrout JR, Twamley B, Mitchell RH, Ward TR, Bandyopadhyay S. A theoretical and experimental scale of aromaticity. The first nucleus-independent chemical shifts (NICS) study of the dimethyldihydropyrene nucleus. J Am Chem Soc. 2002 Nov 13; 124(45):13495-505. PMID: 12418903.
    View in: PubMed
  27. Mitchell RH, Brkic Z, Berg DJ, Barclay TM. Effective aromaticity of tricarbonylchromiumbenzene, about 25 enhanced over that of benzene: structural evidence from a complexed benzannulene. J Am Chem Soc. 2002 Oct 09; 124(40):11983-8. PMID: 12358544.
    View in: PubMed
  28. Sheepwash MA, Mitchell RH, Bohne C. Mechanistic insights into the photochromism of trans-10b,10c-dimethyl-10b,10c-dihydropyrene derivatives. J Am Chem Soc. 2002 May 01; 124(17):4693-700. PMID: 11971718.
    View in: PubMed
  29. Mitchell RH. Conformational changes of 2,11-dithia[3.3]metacyclophane. A new look using VT NMR and calculation. J Am Chem Soc. 2002 Mar 13; 124(10):2352-7. PMID: 11878991.
    View in: PubMed
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Funded by the NIH/NCATS Clinical and Translational Science Award (CTSA) program, grant number UL1TR001102, and through institutional support from Harvard University, Harvard Medical School, Harvard T.H. Chan School of Public Health, Beth Israel Deaconess Medical Center, Boston Children's Hospital, Brigham and Women's Hospital, Massachusetts General Hospital and the Dana Farber Cancer Institute.