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R. Tamura et al.
31. Takahashi, H., Iwama, S., Clevers, S., Veesler, S., Coquerel, G., Tsue, H., Tamura, R.:
In situ observation of polymorphic transition during crystallization of organic compounds
showing preferential enrichment by means of temperature-controlled video-microscopy and
time-resolved X-ray powder diffraction. Cryst. Growth Des. 17, 671–676 (2017)
32. Uchida, Y., Iwama, S., Coquerel, G., Tamura, R.: A kinetic/thermodynamic origin of regular
chiral fluctuation or symmetry breaking unique to preferential enrichment. Chem. Eur. J. 22,
11660–11666 (2016)
33. Iwama, S., Takahashi, H., Tsue, H., Tamura, R.: Case study on the interpretation of crystal
structures inducing preferential enrichment based on the graph set analysis of hydrogen bond
motifs. Cryst. Growth Des. 15, 3052–3062 (2015)
34. Gonnade, R.G., Iwama, S., Sugiwake, R., Manoj, K., Takahashi, H., Tsue, H., Tamura, R.:
Occurrence of spontaneous resolution of ketoprofen with a racemic crystal structure by simple
crystallization under nonequilibrium preferential enrichment conditions. Chem. Commun. 48,
2791–2793 (2012)
35. Gonnade, R.G., Iwama, S., Mori, Y., Takahashi, H., Tsue, H., Tamura, R.: Observation of efficient preferential enrichment phenomenon for a cocrystal of (DL)-phenylalanine and fumaric
acid under nonequilibrium crystallization conditions. Cryst. Growth Des. 11, 607–615 (2011)
36. Manoj, K., Takahashi, H., Morita, Y., Gonnade, R.G., Iwama, S., Tsue, H., Tamura, R.: Preferential enrichment of DL-leucine using cocrystal formation with oxalic acid under nonequilibrium
crystallization conditions. Chiralty 27, 405–410 (2015)
37. Iwama, S., Kuyama, K., Mori, Y., Manoj, K., Gonnade, R.G., Suzuki, K., Hughes, C.E.,
Williams, P.A., Harris, K.D.M., Veesler, S., Takahashi, H., Tsue, H., Tamura, R.: Highly efficient chiral resolution of DL-arginine by cocrystal formation followed by recrystallization
under preferential enrichment conditions. Chem. Eur. J. 20, 10343–10350 (2014)
38. Iwama, S., Horiguchi, M., Sato, H., Uchida, Y., Takahashi, H., Tsue, H., Tamura, R.: Observation of the preferential enrichment phenomenon for essential α-amino acids with a racemic
crystal structure. Cryst. Growth Des. 10, 2668–2675 (2010)
39. Takhashi, H., Numao, Y., Motokawa, J., Clevers, S., Coquerel, G., Tsue, H., Tamura, R.: A
novel mechanism of preferential enrichment phenomenon observed for the cocrystal of (RS)2-{4-[(4-chlorophenoxy)methyl]phenoxy}propionic acid and isonicotinamide. Chem. Eur. J.
25, 16405–16413 (2019)
40. Takahashi, H., Tamura, R., Fujimoto, D., Lepp, Z., Kobayashi, K., Ushio, T.: Preferential
enrichment: full crystallographic analysis of the unusual phenomenon in the mixed crystals’
version. Chirality 14, 541–547 (2002)
41. Aakeroy, C.B., Sinha, A.S. (eds.): Co-Crystals: Preparation, Characterization and Applications.
Royal Society of Chemistry, London (2018)
42. Manoj, K., Tamura, R., Takahashi, H., Tsue, H.: Crystal engineering of homochiral molecular organization of naproxen in cocrystals and their thermal phase transformation studies.
CrystEngComm 16, 5811–5819 (2014)
43. De Saint Jores, C.: Towards a deeper understanding of preferential enrichment. A case study:
DL arginine fumarate in ethanol-water 5-5 mixture, Ph.D. thesis, University of Rouen, 2018
R. Tamura et al.
31. Takahashi, H., Iwama, S., Clevers, S., Veesler, S., Coquerel, G., Tsue, H., Tamura, R.:
In situ observation of polymorphic transition during crystallization of organic compounds
showing preferential enrichment by means of temperature-controlled video-microscopy and
time-resolved X-ray powder diffraction. Cryst. Growth Des. 17, 671–676 (2017)
32. Uchida, Y., Iwama, S., Coquerel, G., Tamura, R.: A kinetic/thermodynamic origin of regular
chiral fluctuation or symmetry breaking unique to preferential enrichment. Chem. Eur. J. 22,
11660–11666 (2016)
33. Iwama, S., Takahashi, H., Tsue, H., Tamura, R.: Case study on the interpretation of crystal
structures inducing preferential enrichment based on the graph set analysis of hydrogen bond
motifs. Cryst. Growth Des. 15, 3052–3062 (2015)
34. Gonnade, R.G., Iwama, S., Sugiwake, R., Manoj, K., Takahashi, H., Tsue, H., Tamura, R.:
Occurrence of spontaneous resolution of ketoprofen with a racemic crystal structure by simple
crystallization under nonequilibrium preferential enrichment conditions. Chem. Commun. 48,
2791–2793 (2012)
35. Gonnade, R.G., Iwama, S., Mori, Y., Takahashi, H., Tsue, H., Tamura, R.: Observation of efficient preferential enrichment phenomenon for a cocrystal of (DL)-phenylalanine and fumaric
acid under nonequilibrium crystallization conditions. Cryst. Growth Des. 11, 607–615 (2011)
36. Manoj, K., Takahashi, H., Morita, Y., Gonnade, R.G., Iwama, S., Tsue, H., Tamura, R.: Preferential enrichment of DL-leucine using cocrystal formation with oxalic acid under nonequilibrium
crystallization conditions. Chiralty 27, 405–410 (2015)
37. Iwama, S., Kuyama, K., Mori, Y., Manoj, K., Gonnade, R.G., Suzuki, K., Hughes, C.E.,
Williams, P.A., Harris, K.D.M., Veesler, S., Takahashi, H., Tsue, H., Tamura, R.: Highly efficient chiral resolution of DL-arginine by cocrystal formation followed by recrystallization
under preferential enrichment conditions. Chem. Eur. J. 20, 10343–10350 (2014)
38. Iwama, S., Horiguchi, M., Sato, H., Uchida, Y., Takahashi, H., Tsue, H., Tamura, R.: Observation of the preferential enrichment phenomenon for essential α-amino acids with a racemic
crystal structure. Cryst. Growth Des. 10, 2668–2675 (2010)
39. Takhashi, H., Numao, Y., Motokawa, J., Clevers, S., Coquerel, G., Tsue, H., Tamura, R.: A
novel mechanism of preferential enrichment phenomenon observed for the cocrystal of (RS)2-{4-[(4-chlorophenoxy)methyl]phenoxy}propionic acid and isonicotinamide. Chem. Eur. J.
25, 16405–16413 (2019)
40. Takahashi, H., Tamura, R., Fujimoto, D., Lepp, Z., Kobayashi, K., Ushio, T.: Preferential
enrichment: full crystallographic analysis of the unusual phenomenon in the mixed crystals’
version. Chirality 14, 541–547 (2002)
41. Aakeroy, C.B., Sinha, A.S. (eds.): Co-Crystals: Preparation, Characterization and Applications.
Royal Society of Chemistry, London (2018)
42. Manoj, K., Tamura, R., Takahashi, H., Tsue, H.: Crystal engineering of homochiral molecular organization of naproxen in cocrystals and their thermal phase transformation studies.
CrystEngComm 16, 5811–5819 (2014)
43. De Saint Jores, C.: Towards a deeper understanding of preferential enrichment. A case study:
DL arginine fumarate in ethanol-water 5-5 mixture, Ph.D. thesis, University of Rouen, 2018