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Stereoselective synthesis of N-unsubstituted pyrazolidines from 3-nitro-2-trichloromethyl-2H-chromenes and hydrazine hydrate

Vladislav Yurievich Korotaev 1
Vladislav Yurievich Korotaev
, 
Igor Borisovich Kutyashev 1
Igor Borisovich Kutyashev
, 
Vyacheslav Yakovlevich Sosnovskikh 1
Vyacheslav Yakovlevich Sosnovskikh
, 
Mikhail Isaakovich Kodess 2
Mikhail Isaakovich Kodess
10.1016/j.mencom.2007.01.021
Published 2007-01-17
Communication , Volume 17, Issue 1, 52-53
18
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Korotaev V. Y. et al. Stereoselective synthesis of N-unsubstituted pyrazolidines from 3-nitro-2-trichloromethyl-2H-chromenes and hydrazine hydrate // Mendeleev Communications. 2007. Vol. 17. No. 1. pp. 52-53.
GOST all authors (up to 50) Copy
Korotaev V. Y., Kutyashev I. B., Sosnovskikh V. Y., Kodess M. I. Stereoselective synthesis of N-unsubstituted pyrazolidines from 3-nitro-2-trichloromethyl-2H-chromenes and hydrazine hydrate // Mendeleev Communications. 2007. Vol. 17. No. 1. pp. 52-53.
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TY - JOUR
DO - 10.1016/j.mencom.2007.01.021
UR - https://mendcomm.colab.ws/publications/10.1016/j.mencom.2007.01.021
TI - Stereoselective synthesis of N-unsubstituted pyrazolidines from 3-nitro-2-trichloromethyl-2H-chromenes and hydrazine hydrate
T2 - Mendeleev Communications
AU - Korotaev, Vladislav Yurievich
AU - Kutyashev, Igor Borisovich
AU - Sosnovskikh, Vyacheslav Yakovlevich
AU - Kodess, Mikhail Isaakovich
PY - 2007
DA - 2007/01/17
PB - Mendeleev Communications
SP - 52-53
IS - 1
VL - 17
ER -
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@article{2007_Korotaev,
author = {Vladislav Yurievich Korotaev and Igor Borisovich Kutyashev and Vyacheslav Yakovlevich Sosnovskikh and Mikhail Isaakovich Kodess},
title = {Stereoselective synthesis of N-unsubstituted pyrazolidines from 3-nitro-2-trichloromethyl-2H-chromenes and hydrazine hydrate},
journal = {Mendeleev Communications},
year = {2007},
volume = {17},
publisher = {Mendeleev Communications},
month = {Jan},
url = {https://mendcomm.colab.ws/publications/10.1016/j.mencom.2007.01.021},
number = {1},
pages = {52--53},
doi = {10.1016/j.mencom.2007.01.021}
}
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Korotaev, Vladislav Yurievich, et al. “Stereoselective synthesis of N-unsubstituted pyrazolidines from 3-nitro-2-trichloromethyl-2H-chromenes and hydrazine hydrate.” Mendeleev Communications, vol. 17, no. 1, Jan. 2007, pp. 52-53. https://mendcomm.colab.ws/publications/10.1016/j.mencom.2007.01.021.

Abstract

The reaction of 3-nitro-2-trichloromethyl-2H-chromenes with hydrazine hydrate in ethanol at room temperature results in 3,4-trans, 4,5-trans-3-(2-hydroxyaryl)-4-nitro-5-trichloromethylpyrazolidines in 56–73% yields; the structures of these compounds were established by 1H NMR, 2D COSY and 2D NOESY spectra.

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