A Convenient Synthesis of 3-Chloro-3,4-dihydro-4-hydroxy-3-nitro-2-phenyl-2H-1-benzopyrans
The novel title compounds 5 are prepared by a simple and efficient two-step procedure starting from substituted benzaldehydes 1.A convenient route to the (2-chloro-2-nitroethenyl)benzenes 3 required as intermediates in the synthesis is reported.
Dauzonne, Daniel,Demerseman, Pierre
p. 66 - 70
(2007/10/02)
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