Inverse electron demand Diels-Alder reaction - A facile synthetic route to pyrazoles from conjugated oximes utilizing diimides as dipolarophile

Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry

Volumn 38, Issue 2, 1999, Pages 125-127

  Ahmed, Shahadat ^a   Longchar, Moanochet ^a   Boruah, Romesh C ^a  

^a REGIONAL RESEARCH LABORATORY   (India)

Author keywords

[No Author keywords available]

Indexed keywords

ALCOHOL; HYDRAZINE; IMIDE; IODINE; OXIME; PYRAZOLE DERIVATIVE;

ARTICLE; CHEMICAL REACTION; CHEMICAL REACTION KINETICS; CHEMICAL STRUCTURE; DIPOLE; REACTION ANALYSIS; SYNTHESIS;

EID: 0033036332     PISSN: 03764699     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (26)

1. (a) Greene T W & Wuts P G M, Protective Groups in Organic Synthesis, (Wiley, New York) 1991, p.214 and references cited therein.
2. (b) Jung M E, Blair P A & Lowe J A, Tetrahedron Lett, 1976, 1439.
3. (c) Lyle R E, Fribush H M; Lyle, G G & Saavedra J E, J Org Chem, 43, 1978, 1275.
4. Varma R S & Meshram H M, Tetrahedron Lett, 38, 1997, 5427.
5. (a) Curren D P, Brill J F & Rakiewicz D M, J Org Chem, 49, 1984, 1654.
6. (b) Shim S B, Kim K & Kim Y H, Tetrahedron Lett, 1987, 645.
7. (a) Rao G G, Radhakrishna A S, Singh B B & Bhatnagar S P, Synthesis, 1983, 808.
8. (b) Aizpurua J M, Juaristi M, Lecea B & Palomo C, Tetrahedron, 41, 1985, 2903.
9. (a) Behforouz M, Gu Z, Cai W, Horn M A & Ahmedian M, J Org Chem, 58, 1993, 7089.
10. (b) Ciufolini M A & Byrne N E, J Am Chem Soc, 113, 1991, 8016.
11. (c) Boyer D L & Kochanny M J, J Org Chem, 59, 1994, 4950.
12. Elguero J, in: Comprehensive heterocyclic chemistry, Vol.5 edited by A R Katritzky & C W Rees, (Pergamon Press, Oxford), 1984, p.274.
13. (a) Almiraete N, Cerri A, Fetrizzi G, Marazzi G & Santagostino M, Tetrahedron Lett, 39, 1998, 3287 and references cited therein.
14. (b) Caraux J B, Jacquier R & Maury G, Tetrahedron Lett,. 1971, 41.
15. (c) Green B, Jensen B L & Lalan P L, Tetrahedron, 34, 1978, 1633.
16. Furst A, Berlo R C & Hootou S, Chem Rev, 65, 1965, 51.
17. (a) Tamelen E E V, Dewey R S, Lease M F & Pirkle N H, J Am Chem Soc, 83, 1961, 4302.
18. (b) Pasto D J, in:Comprehensive Organic Synthesis, Vol.8,edited by B M Trost & I Fleming (Pergamon Press, Oxford) 1991, p.472.
19. Ahmed S & Boruah R C, Tetrahedron Lett, 37, 1996, 8231.
20. (a) Ahmed S & Boruah R C, Tetrahedron Lett, 38, 1997, 6749; 38, 1997, 1845.
21. (a) Ahmed S & Boruah R C, Tetrahedron Lett, 38, 1997, 6749; 38, 1997, 1845.
22. (b) Ahmed S A & Boruah R C, Indian J Chem, 37B, 1998, 838.
23. (c) Boruah R C, Ahmed S, Sharma U & Sandhu J S, Indian J Chem, 37B, 1999,(OC-7174).
24. +-13).
25. Ohsawa A & Itoh T, Comprehensive heterocyclic chemistry, Vol.8, edited by A R Katritzky, C W Rees & E F V Scriven (Pergamon Press, Oxford) 1996, p. 483.
26. Moody C J, in: Advances in heterocyclic chemistry, Vol.30, edited by A R Katritzky (Pergamon Press, Oxford) 1982, p.6.