- Synthesis of 2-phenyl-4,5-substituted oxazoles by copper-catalyzed intramolecular cyclization of functionalized enamides
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An efficient two-step synthesis of 2-phenyl-4,5-substituted oxazoles involving intramolecular copper-catalyzed cyclization of highly functionalized novel β-(methylthio)enamides as the key step has been reported. These enamides are obtained by nucleophilic
- Vijay Kumar,Saraiah,Misra,Ila
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p. 10752 - 10763
(2013/02/22)
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- Ethyl 2-chlorooxazole-4-carboxylate: A versatile intermediate for the synthesis of substituted oxazoles
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(formula presented) R1 = Ar, Het, alkenyl R2 = H, Ar, Het, alkenyl, alkynyl R3 = H, CO2H, Ar, Het, alkenyl, alkynyl By using a sequence of regiocontrolled halogenation and palladium-catalyzed coupling reactions,
- Hodgetts, Kevin J.,Kershaw, Mark T.
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p. 2905 - 2907
(2007/10/03)
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