Consecutive Pschorr-Sandmeyer reactions in a pyrazole series. Part 2. Access to the [2]benzopyrano[4,3-c]pyrazole system of pharmaceutical interest

Journal of the Chemical Society - Perkin Transactions 1

Volumn , Issue 17, 1998, Pages 2891-2897

  Daidone, Giuseppe ^a   Maggio, Benedetta ^a   Raffa, Demetrio ^a   Plescia, Salvatore ^a   Benetollo, Franco ^b   Bombieri, Gabriella ^c  

^a UNIVERSITY OF PALERMO   (Italy)

^b CNR   (Italy)

^c UNIVERSITY OF MILAN   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 33748654451     PISSN: 0300922X     EISSN: None     Source Type: Journal    
DOI: 10.1039/a803139h     Document Type: Article

References (21)

1. Previous paper: G. Daidone, S. Plescia, B. Maggio, V. Sprio, F. Benetollo and G. Bombieri, J. Chem. Soc., Perkin Trans. 1, 1993, 285.
2. S. Plescia, G. Daidone, V. Sprio, E. Aiello, G. Dattolo and G. Cirrincione, J. Heterocycl. Chem., 1978, 15, 1287.
3. G. Daidone, S. Plescia and J. Fabra, J. Heterocycl. Chem., 1978, 17, 1409.
4. K. Ryosuke, H. Mashairo and N. Yoichi, Jpn. Kokai, 7,532,200, 1975 (Chem. Abstr., 1975, 83, 394).
5. G. Doria, A. M. Isetta, R. Ferreccio, M. Ferrari, M. C. Fornasiero and D. Trizio, PCT Int. Appl., WO 91 01, 309, 1991 (Chem. Abstr., 1991, 115, 127 007f).
6. R. B. Titman and M. H. Hockley, PCT Int. Appl., WO 93 03, 036, 1993 (Chem. Abstr., 1993, 119, 72 598z).
7. V. Colotta, L. Cecchi, F. Melani, G. Filacchioni, C. Martini, S. Gelli and A. Lucacchini, J. Pharm. Sci., 1991, 80, 276.
8. V. Colotta, T. Paolo and A. Lucacchini, Pharm. Pharmacol. Lett., 1992, 2, 74.
9. A. Zollinger, Diazo and Azo Chemistry, Interscience Publishers, New York, NY, 1961 and references therein.
10. Delos F. Detar, The Pschorr Synthesis and Related Diazonium Ring Closure Reactions in Organic Reactions, Wiley, New York, 1957, vol. IX, p. 409.
11. A. N. Nesmeyanov, L. G. Makarova and T. P. Tolstaya, Tetrahedron, 1957, 1, 145.
12. G. H. Williams, Homolytic Aromatic Substitution, Pergamonon Press, New York, NY, 1960, p. 28.
13. W. A. Waters, The Chemistry of Free Radicals, Oxford Press, 1946, p. 165.
14. R. Huisgen and W. D. Zahler, Chem. Ber., 1963, 96, 736.
15. A. H. Lewin and T. Cohen, J. Org. Chem., 1967, 32, 3844.
16. P. Hanson, J. R. Jones, B. C. Gilbert and A. W. Timms, J. Chem. Soc., Perkin Trans. 2, 1991, 1009.
17. E. Vogel, Textbook of Practical Organic Chemistry Including Qualitative Organic Chemistry, Italian Translation, Casa Editrice Ambrosiana, Milan, 1988, p. 322 (for Copper), pp. 323-324 [for halogenated copper(I) complexes].
18. D. Belletti, "FEBO". A New Hardware and Software System for controlling a Philips PW1100 Single Crystal Diffractometer, Internal Report 1/93, Centro di Studio per la Strutturistica Difirattometrica del CNR, Parma.
19. A. Altomare, M. C. Burla, M. Camalli, G. Cascarano, C. Giacovazzo, A. Guagliardi and G. Polidori, J. Appl. Crystallogr., 1994, 27, 435.
20. G. M. Sheldrick, SHELXL-93: Program for crystal structure refinement, University Göttingen, Göttingen, Germany, 1993.
21. C. K. Johnson "ORTEP II", report ORNL-5138, Oak Ridge National Laboratory, Tennesse, USA, 1976.