An improved synthesis of 3, 5??disubstituted isoxazoles and pyrazoles from C (α), O??dilithiooximes and C (α), N??dilithiophenylhydrazones

TD Fulmer, LP Dasher, BL Bobb…

Index: Fulmer, Tammy D.; Dasher, Lisette P.; Bobb, Bonni L.; Wilson, Jana D.; Sides, Kimberly L.; Beam, Charles F. Journal of Heterocyclic Chemistry, 1980 , vol. 17, p. 799 - 800

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Citation Number: 32

Abstract

Our site uses cookies to improve your experience. You can find out more about our use of cookies in About Cookies, including instructions on how to turn off cookies if you wish to do so. By continuing to browse this site you agree to us using cookies as described in About Cookies. ... C(α),O-Dilithiooximes and C(α),N-dilithiophenylhydrazones were prepared using an excess of lithium diisopropylamide (1:3). Condensation with esters followed by acid cyclization gave isoxazoles and pyrazoles.

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