Suchada Rajca

  • 4290 Citations
  • 43 h-Index
1989 …2020

Research output per year

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Research Output

  • 4290 Citations
  • 43 h-Index
  • 86 Article
  • 2 Comment/debate
  • 2 Letter
  • 1 Conference article
2020

Supramolecular Approach to Electron Paramagnetic Resonance Distance Measurement of Spin-Labeled Proteins

Yang, Z., Stein, R. A., Ngendahimana, T., Pink, M., Rajca, S., Jeschke, G., Eaton, S. S., Eaton, G. R., McHaourab, H. S. & Rajca, A., Apr 23 2020, In : Journal of Physical Chemistry B. 124, 16, p. 3291-3299 9 p.

Research output: Contribution to journalArticle

2019

gem-Diethyl Pyrroline Nitroxide Spin Labels: Synthesis, EPR Characterization, Rotamer Libraries and Biocompatibility

Bleicken, S., Assafa, T. E., Zhang, H., Elsner, C., Ritsch, I., Pink, M., Rajca, S., Jeschke, G., Rajca, A. & Bordignon, E., Jan 1 2019, In : ChemistryOpen.

Research output: Contribution to journalArticle

Open Access
2 Scopus citations

gem-Diethyl Pyrroline Nitroxide Spin Labels: Synthesis, EPR Characterization, Rotamer Libraries and Biocompatibility

Bleicken, S., Assafa, T. E., Zhang, H., Elsner, C., Ritsch, I., Pink, M., Rajca, S., Jeschke, G., Rajca, A. & Bordignon, E., 2019, In : ChemistryOpen. 8, 8, 1 p.

Research output: Contribution to journalComment/debate

Open Access
6 Scopus citations

High-Spin Diradical Dication of Chiral π-Conjugated Double Helical Molecule

Shu, C., Zhang, H., Olankitwanit, A., Rajca, S. & Rajca, A., 2019, In : Journal of the American Chemical Society. 141, 43, p. 17287-17294 8 p.

Research output: Contribution to journalArticle

2 Scopus citations

Thermally and Magnetically Robust Triplet Ground State Diradical

Gallagher, N., Zhang, H., Junghoefer, T., Giangrisostomi, E., Ovsyannikov, R., Pink, M., Rajca, S., Casu, M. B. & Rajca, A., Jan 1 2019, In : Journal of the American Chemical Society.

Research output: Contribution to journalArticle

17 Scopus citations
2018

Maximizing NMR signal per unit time by facilitating the e-e-n cross effect DNP rate

Leavesley, A., Jain, S., Kamniker, I., Zhang, H., Rajca, S., Rajca, A. & Han, S., 2018, In : Physical Chemistry Chemical Physics. 20, 43, p. 27646-27657 12 p.

Research output: Contribution to journalArticle

6 Scopus citations

Reduction kinetics and electrochemistry of tetracarboxylate nitroxides

Huang, S., Zhang, H., Paletta, J. T., Rajca, S. & Rajca, A., Mar 4 2018, In : Free Radical Research. 52, 3, p. 327-334 8 p.

Research output: Contribution to journalArticle

6 Scopus citations

S = 1 Tetraazacyclophane Diradical Dication with Robust Stability: A Case of Low-Temperature One-Dimensional Antiferromagnetic Chain

Wang, W., Chen, C., Shu, C., Rajca, S., Wang, X. & Rajca, A., Jun 27 2018, In : Journal of the American Chemical Society. 140, 25, p. 7820-7826 7 p.

Research output: Contribution to journalArticle

10 Scopus citations

Truncated Cross Effect Dynamic Nuclear Polarization: An Overhauser Effect Doppelgänger

Equbal, A., Li, Y., Leavesley, A., Huang, S., Rajca, S., Rajca, A. & Han, S., May 3 2018, In : Journal of Physical Chemistry Letters. 9, 9, p. 2175-2180 6 p.

Research output: Contribution to journalArticle

13 Scopus citations
2017

Intramolecular Hydrogen Atom Transfer in Aminyl Radical at Room Temperature with Large Kinetic Isotope Effect

Wang, Y., Olankitwanit, A., Rajca, S. & Rajca, A., May 31 2017, In : Journal of the American Chemical Society. 139, 21, p. 7144-7147 4 p.

Research output: Contribution to journalArticle

8 Scopus citations

PEGylated, Water-Soluble, Stable Aminyl Radical

Wang, Y., Rajca, S. & Rajca, A., Jul 21 2017, In : Journal of Organic Chemistry. 82, 14, p. 7512-7518 7 p.

Research output: Contribution to journalArticle

3 Scopus citations

Synthesis and Electron Spin Relaxation of Tetracarboxylate Pyrroline Nitroxides

Huang, S., Paletta, J. T., Elajaili, H., Huber, K., Pink, M., Rajca, S., Eaton, G. R., Eaton, S. S. & Rajca, A., Feb 3 2017, In : Journal of Organic Chemistry. 82, 3, p. 1538-1544 7 p.

Research output: Contribution to journalArticle

12 Scopus citations
2016

High-Spin Organic Diradical with Robust Stability

Gallagher, N. M., Bauer, J. J., Pink, M., Rajca, S. & Rajca, A., Aug 3 2016, In : Journal of the American Chemical Society. 138, 30, p. 9377-9380 4 p.

Research output: Contribution to journalArticle

54 Scopus citations

Radical Cation and Neutral Radical of Aza-Thia[7]helicene with SOMO-HOMO Energy Level Inversion

Wang, Y., Zhang, H., Pink, M., Olankitwanit, A., Rajca, S. & Rajca, A., Jun 15 2016, In : Journal of the American Chemical Society. 138, 23, p. 7298-7304 7 p.

Research output: Contribution to journalArticle

26 Scopus citations

Thiophene-Based Double Helices: Syntheses, X-ray Structures, and Chiroptical Properties

Zhang, S., Liu, X., Li, C., Li, L., Song, J., Shi, J., Morton, M., Rajca, S., Rajca, A. & Wang, H., Aug 10 2016, In : Journal of the American Chemical Society. 138, 31, p. 10002-10010 9 p.

Research output: Contribution to journalArticle

15 Scopus citations
2015

Aza-m-Xylylene Diradical with Increased Steric Protection of the Aminyl Radicals

Olankitwanit, A., Rajca, S. & Rajca, A., May 15 2015, In : Journal of Organic Chemistry. 80, 10, p. 5035-5044 10 p.

Research output: Contribution to journalArticle

7 Scopus citations
2014

Erratum: Organic radical contrast agents for magnetic resonance imaging (Journal of the American Chemical Society (2012) 134 (15724-15727) DOI: 10.1021/ja3079829)

Rajca, A., Wang, Y., Boska, M., Paletta, J. T., Olankitwanit, A., Swanson, M. A., Mitchell, D. G., Eaton, S. S., Eaton, G. R. & Rajca, S., Feb 26 2014, In : Journal of the American Chemical Society. 136, 8, 1 p.

Research output: Contribution to journalComment/debate

7 Scopus citations

Synthesis of aza-m-xylylene diradicals with large singlet-triplet energy gap and statistical analyses of their EPR spectra

Olankitwanit, A., Pink, M., Rajca, S. & Rajca, A., Oct 8 2014, In : Journal of the American Chemical Society. 136, 40, p. 14277-14288 12 p.

Research output: Contribution to journalArticle

22 Scopus citations

Synthesis of unnatural amino acids functionalized with sterically shielded pyrroline nitroxides

Wang, Y., Paletta, J. T., Berg, K., Reinhart, E., Rajca, S. & Rajca, A., Oct 17 2014, In : Organic Letters. 16, 20, p. 5298-5300 3 p.

Research output: Contribution to journalArticle

21 Scopus citations
2013

High-spin s = 2 ground state aminyl tetraradicals

Rajca, A., Olankitwanit, A., Wang, Y., Boratyński, P. J., Pink, M. & Rajca, S., Dec 4 2013, In : Journal of the American Chemical Society. 135, 48, p. 18205-18215 11 p.

Research output: Contribution to journalArticle

37 Scopus citations
2012

Band gap of carbon-sulfur [n]helicenes

Miyasaka, M., Pink, M., Olankitwanit, A., Rajca, S. & Rajca, A., Jun 15 2012, In : Organic Letters. 14, 12, p. 3076-3079 4 p.

Research output: Contribution to journalArticle

23 Scopus citations

Ladder oligo(m -aniline)s: Derivatives of azaacenes with cross-conjugated π-systems

Rajca, A., Boratyński, P. J., Olankitwanit, A., Shiraishi, K., Pink, M. & Rajca, S., Mar 2 2012, In : Journal of Organic Chemistry. 77, 5, p. 2107-2120 14 p.

Research output: Contribution to journalArticle

18 Scopus citations

Organic radical contrast agents for magnetic resonance imaging

Rajca, A., Wang, Y., Boska, M., Paletta, J. T., Olankitwanit, A., Swanson, M. A., Mitchell, D. G., Eaton, S. S., Eaton, G. R. & Rajca, S., Sep 26 2012, In : Journal of the American Chemical Society. 134, 38, p. 15724-15727 4 p.

Research output: Contribution to journalArticle

102 Scopus citations

Synthesis and reduction kinetics of sterically shielded pyrrolidine nitroxides

Paletta, J. T., Pink, M., Foley, B., Rajca, S. & Rajca, A., Oct 19 2012, In : Organic Letters. 14, 20, p. 5322-5325 4 p.

Research output: Contribution to journalArticle

73 Scopus citations
2011

Calix[4]arene nitroxide tetraradical and octaradical

Olankitwanit, A., Kathirvelu, V., Rajca, S., Eaton, G. R., Eaton, S. S. & Rajca, A., Jun 14 2011, In : Chemical Communications. 47, 22, p. 6443-6445 3 p.

Research output: Contribution to journalArticle

23 Scopus citations

Oxidation of annelated diarylamines: Analysis of reaction pathways to nitroxide diradical and spirocyclic products

Rajca, A., Shiraishi, K., Boratyński, P. J., Pink, M., Miyasaka, M. & Rajca, S., Oct 21 2011, In : Journal of Organic Chemistry. 76, 20, p. 8447-8457 11 p.

Research output: Contribution to journalArticle

18 Scopus citations

Triplet ground state derivative of aza- m -xylylene diradical with large singlet-triplet energy gap

Rajca, A., Olankitwanit, A. & Rajca, S., Apr 6 2011, In : Journal of the American Chemical Society. 133, 13, p. 4750-4753 4 p.

Research output: Contribution to journalArticle

49 Scopus citations
2010

A spirocyclohexyl nitroxide amino acid spin label for pulsed EPR spectroscopy distance measurements

Rajca, A., Kathirvelu, V., Roy, S. K., Pink, M., Rajca, S., Sarkar, S., Eaton, S. S. & Eaton, G. R., May 17 2010, In : Chemistry - A European Journal. 16, 19, p. 5778-5782 5 p.

Research output: Contribution to journalArticle

43 Scopus citations

Asymmetric synthesis of chiral tetraphenylenes

Rajca, A. & Rajca, S., Jan 18 2010, In : Angewandte Chemie - International Edition. 49, 4, p. 672-674 3 p.

Research output: Contribution to journalArticle

30 Scopus citations

Isolation of the triplet ground state aminyl diradical

Boratyński, P. J., Pink, M., Rajca, S. & Rajca, A., Jul 26 2010, In : Angewandte Chemie - International Edition. 49, 32, p. 5459-5462 4 p.

Research output: Contribution to journalArticle

38 Scopus citations

Radical cation of helical, cross-conjugated β-oligothiophene

Zak, J. K., Miyasaka, M., Rajca, S., Lapkowski, M. & Rajca, A., Mar 17 2010, In : Journal of the American Chemical Society. 132, 10, p. 3246-3247 2 p.

Research output: Contribution to journalArticle

58 Scopus citations

Spiro oligothiophenes

Miyasaka, M., Pink, M., Rajca, S. & Rajca, A., Jul 16 2010, In : Organic Letters. 12, 14, p. 3230-3233 4 p.

Research output: Contribution to journalArticle

7 Scopus citations
2009

Functionalized thiophene-based [7]helicene: Chirooptical properties versus electron delocalization

Rajca, A., Pink, M., Xiao, S., Miyasaka, M., Rajca, S., Das, K. & Plessel, K., Oct 2 2009, In : Journal of Organic Chemistry. 74, 19, p. 7504-7513 10 p.

Research output: Contribution to journalArticle

47 Scopus citations

Intramolecular cyclization of thiophene-based [7]helicenes to quasi-[8]circulenes

Rajca, A., Miyasaka, M., Xiao, S., Boratyński, P. J., Pink, M. & Rajca, S., Dec 4 2009, In : Journal of Organic Chemistry. 74, 23, p. 9105-9111 7 p.

Research output: Contribution to journalArticle

26 Scopus citations

Noncovalent interactions in the asymmetric synthesis of rigid, conjugated helical structures

Miyasaka, M., Pink, M., Rajca, S. & Rajca, A., Jul 27 2009, In : Angewandte Chemie - International Edition. 48, 32, p. 5954-5957 4 p.

Research output: Contribution to journalArticle

49 Scopus citations

Stable diarylnitroxide diradical with triplet ground state

Rajca, A., Shiraishi, K. & Rajca, S., 2009, In : Chemical Communications. 29, p. 4372-4374 3 p.

Research output: Contribution to journalArticle

47 Scopus citations
2008

Chiral tetrathienylene: Synthesis and X-ray structure

Xiao, S., Pink, M., Wang, H., Rajca, S. & Rajca, A., Jun 2008, In : Journal of Sulfur Chemistry. 29, 3-4, p. 425-432 8 p.

Research output: Contribution to journalArticle

4 Scopus citations

Diarylnitroxide diradicals: Low-temperature oxidation of diarylamines to nitroxides

Rajca, A., Vale, M. & Rajca, S., Jul 16 2008, In : Journal of the American Chemical Society. 130, 28, p. 9099-9105 7 p.

Research output: Contribution to journalArticle

33 Scopus citations

Impact of electron-electron spin interaction on electron spin relaxation of nitroxide diradicals and tetraradical in glassy solvents between 10 and 300 K

Sato, H., Kathirvelu, V., Spagnol, G., Rajca, S., Rajca, A., Eaton, S. S. & Eaton, G. R., Mar 13 2008, In : Journal of Physical Chemistry B. 112, 10, p. 2818-2828 11 p.

Research output: Contribution to journalArticle

55 Scopus citations

Synthesis, structure, and conformation of aza[1n]metacyclophanes

Vale, M., Pink, M., Rajca, S. & Rajca, A., Jan 4 2008, In : Journal of Organic Chemistry. 73, 1, p. 27-35 9 p.

Research output: Contribution to journalArticle

55 Scopus citations
2007
26 Scopus citations

Annelated, chiral π-conjugated systems: Tetraphenylenes and helical β-oligothiophenes

Rajca, A., Rajca, S., Pink, M. & Miyasaka, M., Jul 24 2007, In : Synlett. 12, p. 1799-1822 24 p.

Research output: Contribution to journalArticle

75 Scopus citations

Conformationally constrained, stable, triplet ground state (S = 1) nitroxide diradicals. Antiferromagnetic chains of S = 1 diradicals

Rajca, A., Takahashi, M., Pink, M., Spagnol, G. & Rajca, S., Aug 22 2007, In : Journal of the American Chemical Society. 129, 33, p. 10159-10170 12 p.

Research output: Contribution to journalArticle

58 Scopus citations

Efficient synthesis of tricyclic benzobisoxazines by silica gel catalysis

Spagnol, G., Rajca, A. & Rajca, S., Mar 2 2007, In : Journal of Organic Chemistry. 72, 5, p. 1867-1869 3 p.

Research output: Contribution to journalArticle

32 Scopus citations

Helically annelated and cross-conjugated β-oligothiophenes: A fourier transform Raman spectroscopic and quantum chemical density functional theory study

Malavé Osuna, R., Ponce Ortiz, R., Hernández, V., López Navarrete, J. T., Miyasaka, M., Rajca, S., Rajca, A. & Glaser, R., Mar 29 2007, In : Journal of Physical Chemistry C. 111, 12, p. 4854-4860 7 p.

Research output: Contribution to journalArticle

14 Scopus citations

Triplet (S = 1) ground state aminyl diradical

Rajca, A., Shiraishi, K., Pink, M. & Rajca, S., Jun 13 2007, In : Journal of the American Chemical Society. 129, 23, p. 7232-7233 2 p.

Research output: Contribution to journalArticle

61 Scopus citations
2006
62 Scopus citations
21 Scopus citations
2005

Cross-conjugated oligothiophenes derived from the (C2S) n helix: Asymmetric synthesis and structure of carbon-sulfur [11]helicene

Miyasaka, M., Rajca, A., Pink, M. & Rajca, S., Oct 12 2005, In : Journal of the American Chemical Society. 127, 40, p. 13806-13807 2 p.

Research output: Contribution to journalArticle

126 Scopus citations

Stable hydrocarbon diradical, an analogue of trimethylenemethane

Rajca, A., Shiraishi, K., Vale, M., Han, H. & Rajca, S., Jun 29 2005, In : Journal of the American Chemical Society. 127, 25, p. 9014-9020 7 p.

Research output: Contribution to journalArticle

32 Scopus citations