Synthesis and chemistry of N-arylated pyrano[2,3-c]pyrazoles
(Chemical Equation Presented) Novel N2-arylated pyrano[2,3-c]pyrazol-6-ones 2 can be prepared in a selective manner by generating the anion of 1 (R=H) with lithium hexamethyldisilazide in DMF and quenching with activated aryl halides. Sterically demanding
Samaritoni, J. Geno,Thornburgh, Scott,Graupner, Paul R.,Cooper, David H.
p. 1389 - 1393
(2008/09/18)
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