Chemistry of Heterocyclic Compounds p. 1104 - 1107 (1989)
Update date:2022-08-16
Topics:
Chapyshev, S. V.
Aliev, Z. G.
Kartsev, V. G.
Atovmyan, L. O.
The reaction of diazomethane with 4-nitrophthalic acid anhydride gave 4- and 5-nitro-2-carbomethoxy-ω-diazoacetophenones and 6- and 7-nitro-1-oxoisochroman-4-spirooxiranes.The structure of 7-nitro-1-oxoisochroman-4-spirooxirane was investigated by x-ray diffraction analysis.
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