Synthesis and reactions of new 4-oxo-4H-benzopyran-3-carboxaldehydes containing hydroxy groups or 2-oxopyran cycles

Molecules

Volumn 3, Issue 6, 1998, Pages 149-158

  Lacova, Margita ^a   Loos, Dusan ^d   Furdik, Mikulas ^a   Matulova, Maria ^b   El Shaaer, Hafez M ^c  

^a Physics and Informatics   (Slovakia)

^b INSTITUTE OF CHEMISTRY   (Slovakia)

^c Ain Shams University   (Egypt)

^d NONE

Author keywords

2 Oxobenzopyrane; 3 Formylchromones; Am1 calculations; Enamines; Imines; Vilsmeier Haack reaction

Indexed keywords

2 AMINOPHENOL; 2 BENZOTHIAZOLYLHYDRAZINE; 2,4 DINITROPHENYLHYDRAZINE; 7 HYDROXY 3 FORMYLCHROMONE; ALDEHYDE DERIVATIVE; BENZOPYRAN DERIVATIVE; CHROMONE DERIVATIVE; HYDRAZINE DERIVATIVE; HYDROXYL GROUP; PYRAN DERIVATIVE; THIAZOLE DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; GEOMETRY; INFRARED RADIATION; NUCLEAR MAGNETIC RESONANCE; QUANTUM CHEMISTRY; SYNTHESIS;

EID: 4344615864     PISSN: 14203049     EISSN: None     Source Type: Journal    
DOI: 10.3390/30600149     Document Type: Article

References (17)

1. El-Shaer, H. M.;, Zahradnik, P.; Lacova M.; Matulova, M. Collect. Czech. Chem. Commun. 1994, 59, 1673.
2. El-Shaaer, H.M.; Lacova, M.; Odlerova, Z.; Furdik, M. Chem. Papers 1994, 59, 1673.
3. El-Schaaer, H.M.; Perjessy, A.; Zahradnik, P.; Lacova M.; Sustekova Z. Monatsh. Chem. 1993, 124, 539.
4. Gasparova, R.; Lacova, M. Collect. Czech. Chem. Commun. 1995, 60, 1178.
5. Lacova, M.; Stankovicova, H.; Odlerova, Z. Il - farmaco 1995, 50, 885.
6. Kralova, K.; Sersen, F.; Lacova, M.; Stankovicova, H. Biol. Plant. 1995, 38, 397.
7. El-Schaaer, H.M.; Foltinova, P. ; Lacova, M.; Chovancova, J.; Stankovicova, H. Il - farmaco (in press).
8. Nohara, A.; Umetani ,T.; Sanno, Y. Tetrahedron 1974, 30, 3553.
9. Nohara, A.; Umetani, T.; Sanno, Y. Tetrahedron Lett. 1973, (22) 1995-8.
10. Dewar, M. J. S.; Zoebisch, E. G.; Healy, E. F.; Stewart, J. J. P. J. Am. Chem. Soc., 1985, 57, 3698.
11. Brown, R.C.; Harard, R. U.S. 1980, 4238, 606 ; Chem. Abstr. 1981, 94p, 156755.
12. Klutchko, S.; Kaniansky, D. U.S. 1977, 4008, 232; Chem. Abstr. 1977, 87p, 5808.
13. Cooper, R. S. Org. Synth. Coll. Vol. III.761, John Wiley and Sons, New York 1967.
14. Desai, R.D.; Ekhlas, M. Proc Indian Acad SCi (A), 1938, 567, Chem. Abstr. 1939, 33, 3356.
15. Desai, R.D.; Ekhlas, M. Proc Indian Acad SCi (A), 1938, 567, Chem. Abstr. 1939, 33, 3356.
16. Sethna, S.M.; Shah ,R.C. J. Chem. Soc. 1938, 228.
17. Hoesch, K. Ber. 1942, 48, 1125.