Suchada Rajca

  • 4318 Citations
  • 43 h-Index
1989 …2020

Research output per year

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Research Output

  • 4318 Citations
  • 43 h-Index
  • 86 Article
  • 2 Comment/debate
  • 2 Letter
  • 1 Conference article
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Article
Article
26 Scopus citations
9 Scopus citations

A dendritic macrocyclic organic polyradical with a very high spin of S = 10

Rajca, A., Wongsriratanakul, J., Rajca, S. & Cerny, R., May 18 1998, In : Angewandte Chemie - International Edition. 37, 9, p. 1229-1232 4 p.

Research output: Contribution to journalArticle

87 Scopus citations

A Greek cross dodecaphenylene: Sparteine-mediated asymmetric synthesis of chiral D2-symmetric π-conjugated tetra-o-phenylenes

Rajca, A., Wang, H., Bolshov, P. & Rajca, S., Apr 23 2001, In : Tetrahedron. 57, 17, p. 3725-3735 11 p.

Research output: Contribution to journalArticle

47 Scopus citations
29 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

Annelated heptathiophene: A fragment of a carbon - Sulfur helix

Rajca, A., Wang, H., Pink, M. & Rajca, S., Dec 15 2000, In : Angewandte Chemie - International Edition. 39, 24, p. 4481-4483 3 p.

Research output: Contribution to journalArticle

97 Scopus citations

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

31 Scopus citations

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

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

24 Scopus citations

Biphenylene dimer. Molecular fragment of a two-dimensional carbon net and double-stranded polymer

Rajca, A., Safronov, A., Rajca, S., Ross, C. R. & Stezowski, J. J., Aug 7 1996, In : Journal of the American Chemical Society. 118, 31, p. 7272-7279 8 p.

Research output: Contribution to journalArticle

66 Scopus citations

Boron-centred diradical dianion: A new triplet state molecule

Rajca, A., Rajca, S. & Desai, S. R., 1995, In : Journal of the Chemical Society, Chemical Communications. 19, p. 1957-1958 2 p.

Research output: Contribution to journalArticle

33 Scopus citations

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
48 Scopus citations

Chiral molecular glass: Synthesis and characterization of enantiomerically pure thiophene-based [7]helicene

Miyasaka, M., Rajca, A., Pink, M. & Rajca, S., Dec 3 2004, In : Chemistry - A European Journal. 10, 24, p. 6531-6539 9 p.

Research output: Contribution to journalArticle

65 Scopus citations

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

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

Control of Magnetic Interactions in Polyarylmethyl Triplet Diradicals Using Steric Hindrance

Rajca, A., Utamapanya, S. & Xu, J., Nov 1 1991, In : Journal of the American Chemical Society. 113, 24, p. 9235-9241 7 p.

Research output: Contribution to journalArticle

74 Scopus citations

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

127 Scopus citations

D2-Symmetric dimer of 1,1'-binaphthyl and its chiral π-conjugated carbodianion

Rajca, A., Safronov, A., Rajca, S. & Wongsriratanakul, J., Apr 12 2000, In : Journal of the American Chemical Society. 122, 14, p. 3351-3357 7 p.

Research output: Contribution to journalArticle

56 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

Double Helical Octaphenylene

Rajca, A., Safronov, A., Rajca, S. & Shoemaker, R., 1997, In : Angewandte Chemie (International Edition in English). 36, 5, p. 488-491 4 p.

Research output: Contribution to journalArticle

51 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
62 Scopus citations

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

48 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., Jan 1 2019, In : ChemistryOpen.

Research output: Contribution to journalArticle

Open Access
2 Scopus citations

Helically annelated and cross-conjugated oligothiophenes: Asymmetric synthesis, resolution, and characterization of a carbon-sulfur [7]helicene

Rajca, A., Miyasaka, M., Pink, M., Wang, H. & Rajca, S., Nov 24 2004, In : Journal of the American Chemical Society. 126, 46, p. 15211-15222 12 p.

Research output: Contribution to journalArticle

145 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

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

3 Scopus citations

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

57 Scopus citations
56 Scopus citations

High-Spin Polymers. Synthesis of 1,3-Connected Polyarylmethane and Its Carbopolyanion and Polyradical

Utamapanya, S., Kakegawa, H., Bryant, L. & Rajca, A., Aug 1993, In : Chemistry of Materials. 5, 8, p. 1053-1055 3 p.

Research output: Contribution to journalArticle

20 Scopus citations

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

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

Intramolecular antiferromagnetic vs ferromagnetic spin coupling through the biphenyl unit

Rajca, A. & Rajca, S., Aug 28 1996, In : Journal of the American Chemical Society. 118, 34, p. 8121-8126 6 p.

Research output: Contribution to journalArticle

45 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

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

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

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

Macrocyclic π-Conjugated Carbopolyanions and Polyradicals Based upon Calix[4]arene and Calix[3]arene Rings

Rajca, A., Rajca, S. & Desai, S. R., Jan 1995, In : Journal of the American Chemical Society. 117, 2, p. 806-816 11 p.

Research output: Contribution to journalArticle

80 Scopus citations

Magnetic ordering in an organic polymer

Rajca, A., Wongsriratanakul, J. & Rajca, S., Nov 16 2001, In : Science. 294, 5546, p. 1503-1505 3 p.

Research output: Contribution to journalArticle

302 Scopus citations

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
345 Scopus citations
119 Scopus citations

Near-Degeneracy between the Low- and High-Spin States in an Alternant Hydrocarbon Diradical: Topology and Geometry

Rajca, A., Utamapanya, S. & Smithhisler, D. J., 1993, In : Journal of Organic Chemistry. 58, 21, p. 5650-5652 3 p.

Research output: Contribution to journalArticle

19 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
69 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

103 Scopus citations

Organic spin clusters: Annelated macrocyclic polyarylmethyl polyradicals and a polymer with very high spin S = 6-18

Rajca, A., Wongsriratanakul, J., Rajca, S. & Cerny, R. L., Jul 5 2004, In : Chemistry - A European Journal. 10, 13, p. 3144-3157 14 p.

Research output: Contribution to journalArticle

49 Scopus citations