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Article

4 Citations

3,101 Views

16 Pages

Straightforward and Efficient Protocol for the Synthesis of Pyrazolo [4,3-b]pyridines and Indazoles

Vladislav V. Nikol’skiy,
Mikhail E. Minyaev,
Maxim A. Bastrakov and
Alexey M. Starosotnikov

Int. J. Mol. Sci.2023, 24(2), 1758;https://doi.org/10.3390/ijms24021758

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16 January 2023

An efficient method for the synthesis of pyrazolo [4,3-b]pyridines has been developed on the basis of readily available 2-chloro-3-nitropyridines via a sequence of SNAr and modified Japp–Klingemann reactions. The method offers a number of advan...

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Short Note

4 Citations

4,091 Views

4 Pages

Diethyl 2,2'-[Biphenyl-4,4'-diyldihydrazin-2-yl-1-ylidene]bis(chloroacetate)

Nabila Abdelshafy Kheder and
Elham Sayed Darwish

Molbank2014, 2014(1), M813;https://doi.org/10.3390/M813

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22 January 2014

Diethyl 2,2'-[biphenyl-4,4'-diyldihydrazin-2-yl-1-ylidene]bis(chloroacetate) was synthesized in high yield via Japp–Klingemann reaction. The structure of this compound was fully characterized by IR, 1H-NMR, 13C-NMR, Mass spectra and elemental analysi...

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Article

11 Citations

3,173 Views

12 Pages

Two New Phenylhydrazone Derivatives from the Pearl River Estuary Sediment-Derived Streptomyces sp. SCSIO 40020

Wei Liu,
Liang Ma,
Liping Zhang,
Yuchan Chen,
Qingbo Zhang,
Haibo Zhang,
Weimin Zhang,
Changsheng Zhang and
Wenjun Zhang

Mar. Drugs2022, 20(7), 449;https://doi.org/10.3390/md20070449

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9 July 2022

Two new phenylhydrazone derivatives and one new alkaloid, penzonemycins A–B (1–2) and demethylmycemycin A (3), together with three known compounds including an alkaloid (4) and two sesquiterpenoids (5–6), were isolated from the Stre...

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