Method for producing nitro compounds

Details Method for producing nitro compounds Method for producing nitro compounds

1997-12-23

1999-09-21

Geist, Gary

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568941, 568947, C07C20500

Patent

active

059566574

ABSTRACT:
The method provides nitro compounds at a high conversion and selectivity by nitrating substrates under comparatively mild conditions in the absence of catalysts. Organic substrates are nitrated using no catalysts or ozone, but using (1) at least one nitrogen compound selected from N.sub.2 O or NO and oxygen. It is advantageous for the nitration reaction to employ a nitrogen compound obtained by a reaction of the nitrogen compound with oxygen, particularly a nitrogen oxide comprising N.sub.2 O.sub.3 as a main component. Additionally, organic substrates are nitrated using (2) NO.sub.2. The substrates include a compound having a methine-carbon atom, and a compound having a methyl group or methylene group in an adjacent position to an aromatic ring.

REFERENCES:
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Suzuki et al., J. Chem. Soc. Perkin Trans. 1, pp. 291-293 (1995).
N. Shuzo, Patent Abstracts of Japan, vol. 007, No. 227 (C-199)(JP 58 157748 A) **abstract**.
N. Shuzo, Patent Abstracts of Japan, vol. 007, No. 285 (C-201)(JP 58 162557 A) **abstract**.
Chemical Abstracts, vol. 109, No. 10, 81940a (Sep. 5, 1988).
Chemical Abstracts, vol. 81, No. 3, 13311z (Jul. 22, 1974).

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