Synthesis of aminopyrazoles from α- oxoketene O,N-acetals using Montmorillonite K-10/Ultrasound

Synthesis

Volumn , Issue 8, 2003, Pages 1160-1162

  Braibante, Mara E F ^a   Braibante, Hugo T S ^a   Da Roza, Juliano K ^a   Henriques, Danielle M ^a   De Carvalho Tavares, Luciana ^a  

^a FEDERAL UNIVERSITY OF SANTA MARIA   (Brazil)

Author keywords

Aminopyrakoles; Montmorillonite K 10; O,N Acetals; oxoketene; oxothioxo ester

Indexed keywords

CONDENSATION; SYNTHESIS (CHEMICAL); ULTRASONICS;

SOLID SUPPORTS;

KETONES;

5(3) AMINO 3(5) PHENYLPYRAZONE DERIVATIVE; ACETAL DERIVATIVE; ALPHA OXOKETENE O,N ACETAL DERIVATIVE; AMINOPYRAZOLE DERIVATIVE; HETEROCYCLIC COMPOUND; HYDRAZINE; KETENE DERIVATIVE; MONTMORILLONITE; PHENYL GROUP; PYRAZOLE DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CHEMICAL REACTION; CHEMICAL STRUCTURE; CYCLIZATION; ISOMER; POLYMERIZATION; PROTON NUCLEAR MAGNETIC RESONANCE; REACTION ANALYSIS; RING CLOSING METATHESIS; SOLID; SUBSTITUTION REACTION; SYNTHESIS; TECHNIQUE; ULTRASOUND;

EID: 0037711833     PISSN: 00397881     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2003-39398     Document Type: Article

References (18)

1. Braibante, M. E. F.; Braibante, H. S.; Missio, L. J. Heterocycl. Chem. 1996, 33, 1243.
2. Braibante, M. E. F.; Braibante, H. S.; Valduga, C. J. J. Heterocycl. Chem. 1997, 34, 1453.
3. Braibante, M. E. F.; Braibante, H. S.; Valduga, C. J. J. Heterocycl. Chem. 1998, 35, 189.
4. Foleno, B. D.; Lafredo, S. C.; Lococo, J. M. Antimicrob. Agents Chemother. 1993, 37, 301.
5. Kordik, C.P.; Luo, C.; Zanoni, B.C.; Dax, S.L.; McNally, J.J.; Lovenberg, T.W.; Wilson, S.J.; Reitz, B.A. Bioorg. Med. Chem. Lett. 2001, 11, 2283.
6. Dieter, K.R. Tetrahedron 1986, 42, 3029.
7. Huang, Z.-T.; Shi, X. Synthesis 1990, 162.
8. Satyanarayana, J.; Ila, H.; Junjappa, H. Synthesis 1991, 889.
9. Kumar, H.; Ila, H.; Junjappa, H. Synthesis 1980, 748.
10. Potts, K. T.; Cipullo, M. J.; Ralli, P.; Theodoridis, G. J. Am. Chem. Soc. 1981, 103, 3585.
11. Gompper, R.; Topfl, W. Chem. Ber. 1962, 95, 2881.
12. Potts, K. T.; Cipullo, M. J.; Ralli, P.; Theodoridis, G. J. Org. Chem. 1982, 47, 3027.
13. Junjappa, H.; Chauhan, S. M. S. Tetrahedron 1976, 32, 1779.
14. Stachel, H. D. Chem. Ber. 1960, 93, 1059.
15. Vogel's Textbook of Practical Organic Chemistry, 5th ed.; Wiley: New York, 1989, 793.
16. Purkayastha, M. L.; Chandrasekharam, M.; Vishwakarma, J. N.; Ila, H.; Junjappa, H. Synthesis 1993, 245.
17. Moussounga, J.; Bouquant, J.; Chuche, J. Synthesis 1994, 483.
18. Baldwin, J. E. J. Chem. Soc., Chem. Commun. 1976, 734.