Sodium Borohydride Reduction of 3-Nitro-2-substituted-phenyl-2H-benzopyrans
Reaction of 3-nitro-2-substituted-phenyl-2H-benzopyrans (1-8) with NaBH4 at 5-10 deg C followed by reduction of the nitro group with hydrazine hydrate in the presence of Raney-nickel furnishes 3-amino-2-substituted-phenyl-3,4-dihydro-2H-benzopyrans
Arora, P. K.,Bhaduri, A. P.
p. 951 - 954
(2007/10/02)
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