Nitropyrroloquinolines

Yudin, L. G.; Yamashkin, S. A.; Терентьев, П. Б.; Solov'ev, O. A.

doi:10.1007/bf00471913

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-2 Ring Transformation Of Dnp1

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2012

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“…42 Ammonium acetate is also usable as the nitrogen source instead of ammonia, which enables the ring transformation under mild conditions. 43 This reactivity of DNP is synthetically useful because same products (30) and (31) are not available from NMA-Na.…”

Section: -2 Ring Transformation Of Dnpmentioning

confidence: 99%

Practically Usable C3 Building Blocks for the Syntheses of Nitro Heterocycles

Nishiwaki¹,

Saigo²,

Hirao³

et al. 2012

HETEROCYCLES

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-Nitromalonaldehyde (NMA-H) is one of useful synthons for synthesizing nitro compounds. However, NMA-H itself cannot be practically employed because of its unstable property. Therefore, sodium salt of NMA-H (NMA-Na) has been used as its synthetic equivalent from old time, and NMA-Na is still important even now albeit several restrictions with regard to safety and treatability. On the other hand, dinitropyridone, nitropyrimidinone and dinitropyrazole can be employed in place of NMA-Na for the same purpose, and furthermore azadienamines, formylnitroenamines and dinitropyrazole also serve as the synthetic equivalents of NMA-H, which are usable in common organic solvents with safety. These reagents condense with dinucleophiles to afford various kinds of nitro compounds.

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Section: -2 Ring Transformation Of Dnpmentioning

confidence: 99%