Home / Publications / Environmentally benign synthesis of 3-methyl-4-[(1,3-diphenyl-1H-pyrazol-4-yl)-methylene]-1-phenylpyrazolin-5-(4H)-ones in an ionic liquid

Environmentally benign synthesis of 3-methyl-4-[(1,3-diphenyl-1H-pyrazol-4-yl)-methylene]-1-phenylpyrazolin-5-(4H)-ones in an ionic liquid

Rajkumar V Hangarge 1
Rajkumar V Hangarge
, 
Murlidhar S Shingare 1
Murlidhar S Shingare
10.1070/MC2003v013n02ABEH001721
Published 2003-04-28
Communication , Volume 13, Issue 2, 79-80
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Hangarge R. V., Shingare M. S. Environmentally benign synthesis of 3-methyl-4-[(1,3-diphenyl-1H-pyrazol-4-yl)-methylene]-1-phenylpyrazolin-5-(4H)-ones in an ionic liquid // Mendeleev Communications. 2003. Vol. 13. No. 2. pp. 79-80.
GOST all authors (up to 50) Copy
Hangarge R. V., Shingare M. S. Environmentally benign synthesis of 3-methyl-4-[(1,3-diphenyl-1H-pyrazol-4-yl)-methylene]-1-phenylpyrazolin-5-(4H)-ones in an ionic liquid // Mendeleev Communications. 2003. Vol. 13. No. 2. pp. 79-80.
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TY - JOUR
DO - 10.1070/MC2003v013n02ABEH001721
UR - https://mendcomm.colab.ws/publications/10.1070/MC2003v013n02ABEH001721
TI - Environmentally benign synthesis of 3-methyl-4-[(1,3-diphenyl-1H-pyrazol-4-yl)-methylene]-1-phenylpyrazolin-5-(4H)-ones in an ionic liquid
T2 - Mendeleev Communications
AU - Hangarge, Rajkumar V
AU - Shingare, Murlidhar S
PY - 2003
DA - 2003/04/28
PB - Mendeleev Communications
SP - 79-80
IS - 2
VL - 13
ER -
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@article{2003_Hangarge,
author = {Rajkumar V Hangarge and Murlidhar S Shingare},
title = {Environmentally benign synthesis of 3-methyl-4-[(1,3-diphenyl-1H-pyrazol-4-yl)-methylene]-1-phenylpyrazolin-5-(4H)-ones in an ionic liquid},
journal = {Mendeleev Communications},
year = {2003},
volume = {13},
publisher = {Mendeleev Communications},
month = {Apr},
url = {https://mendcomm.colab.ws/publications/10.1070/MC2003v013n02ABEH001721},
number = {2},
pages = {79--80},
doi = {10.1070/MC2003v013n02ABEH001721}
}
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Hangarge, Rajkumar V., and Murlidhar S Shingare. “Environmentally benign synthesis of 3-methyl-4-[(1,3-diphenyl-1H-pyrazol-4-yl)-methylene]-1-phenylpyrazolin-5-(4H)-ones in an ionic liquid.” Mendeleev Communications, vol. 13, no. 2, Apr. 2003, pp. 79-80. https://mendcomm.colab.ws/publications/10.1070/MC2003v013n02ABEH001721.

Abstract

The condensation of 1,3-diphenyl-1H-pyrazole-3-carbaldehydes with 3-methyl-1-phenylpyrazolin-5-(4H)-one in an ionic liquid (ethylammonium nitrate) afforded 3-methyl-4-(1,3-diphenyl-1H-pyrazolo-4-yl)methylene-1-phenylpyrazolin-5-(4H)-ones in an excellent yield at room temperature.

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