Complexation of several fungicides with β-cyclodextrin: Determination of the association constants and isolation of the solid complexes

Journal of Agricultural and Food Chemistry

Volumn 51, Issue 17, 2003, Pages 5036-5040

  Lezcano, Minerva ^a,b   Novo, Mercedes ^a   Al Soufi, Wajih ^a   Rodríguez Núñez, Eugenio ^a   Tato, José Vazquez ^a  

^a UNIVERSITY OF SANTIAGO DE COMPOSTELA   (Spain)

^b CENTRAL UNIVERSITY OF LAS VILLAS   (Cuba)

Author keywords

Cyclodextrins; Fungicides; Inclusion complexes

Indexed keywords

2 HYDROXYBIPHENYL; 8 QUINOLINOL; BENALAXYL; BETA CYCLODEXTRIN; FUNGICIDE; PROCHLORAZ; THIOPHANATE METHYL; UNCLASSIFIED DRUG;

AQUEOUS SOLUTION; ARTICLE; COMPLEX FORMATION; DIFFERENTIAL SCANNING CALORIMETRY; PHASE TRANSITION; SOLUBILITY;

ALANINE; BETA-CYCLODEXTRINS; BIPHENYL COMPOUNDS; CHEMISTRY, PHYSICAL; CYCLODEXTRINS; FUNGICIDES, INDUSTRIAL; IMIDAZOLES; MAGNETIC RESONANCE SPECTROSCOPY; SOLUBILITY;

EID: 0042061121     PISSN: 00218561     EISSN: None     Source Type: Journal    
DOI: 10.1021/jf0343682     Document Type: Article

References (11)

1. Nagai, T.; Ueda, H. Aspects of drug formulation with cyclodextrins. In Comprehensive Supramolecular Chemistry, Vol. 3: Cyclodextrins; Szejtli, J., Osa, T., Eds.; Elsevier Science: Oxford, U.K., 1996; pp 441-450.
2. Szente, L.; Szejtli, J. Cyclodextrins in Pesticides. In Comprehensive Supramolecular Chemistry, Vol. 3: Cyclodextrins; Szejtli, J., Osa, T., Eds.; Elsevier Science: Oxford, U.K., 1996; pp 503-514.
3. Szejtli, J.; Tetenyi, P.; Kiniczky, M.; Bernath, J.; Tetenyi nee Erdosi, M.; Dobos, E.; Banky nee Elod, E. Process for enhancing the activity of plant protecting agents by using cyclodextrin. US4923853, 1990.
4. Lezcano, M.; Al-Soufi, W.; Novo, M.; Rodríguez-Núñez, E.; Vázquez Tato, J. Complexation of several benzimidazole-type fungicides with α- and β-cyclodextrins. J. Agric. Food Chem. 2002, 50, 108-112.
5. The Pesticide Manual; Tomlin, C. D. S., Ed.; British Crop Protection Council: Surrey, 1997.
6. (a) Sahai, R.; Loper, G. L.; Lin, S. H.; Eyring, H. Composition and formation constant of molecular complexes. Proc. Natl. Acad. Sci. U.S.A. 1974, 71, 1499-1503.
7. (b) Gil, V. M. S.; Oliveira, N. C. On the use of the method of continuous variations. J. Chem. Educ. 1990, 67, 473-478.
8. Higuchi, T.; Connors, K. A. Phase solubility techniques. Adv. Anal. Chem. Instrum. 1965, 4, 117-212.
9. 2 type phase solubility diagrams, complex formation and chemical speciation of soluble species. J. Inclusion Phenom. Mol. Recognit. Chem. 1998, 31, 243-264.
10. a) from solution NMR data. Tetrahedron 2000, 56, 6151-6170.
11. 13C NMR chemical shifts. Application to the complexation of sodium fusidate and potassium helvolate by β- and γ-cyclodextrin. Steroids 2003, 68, 43-53.