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N. S. R. Laboratory, Department of Chemistry, St. Xavier's College. Bombay-400 001 Manuscript received 11 May 1992, revised1 October 1992, accepted 12 November1992 4-(2-Hydroxybenzoyl)-1-phenylpyrazole (I) has been used In the synthesis or benzofuran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e0c72b07819d24de0ea8309f996e533
N. S. R. Laboratory, Department of Chemistry, St. Xavier's College, Bombay-400 001 Manuscript received 9 July 1991, revised 14 February 1992, accepted 1 April 1992 A new three-step synthesis of 2-(4-aminophenyI)-4H-1-benzopyran-4-one (4) is reported.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09259c0882cb2e1920c5cc85154d4af9