Department of Chemistry, R. B. S. College, Agra Manuscript retested 5 August 1985, revised 29 December 1986, accepted 24 April 1987 Pyrazolines have been oxidised with manganese dioxide in chloroform at room temperature to give pyrazoles in good yields.
Ila BhatnagarManapurathu V. George
Roy J. GritterG. D. DupreThomas J. Wallace