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Intermolecular and intramolecular cycloaddition reactions of 1-ethyl-1,2,4-triazinium salts with alkynes

Nataliya Nikolaevna Mochulskaya 1
Nataliya Nikolaevna Mochulskaya
, 
Anatoly A Andreiko 1
Anatoly A Andreiko
,  , 
Boris Vladimirovich Shulgin 2
Boris Vladimirovich Shulgin
, 
Dmitry Vyacheslavovich Raikov 2
Dmitry Vyacheslavovich Raikov
, 
Vladimir Ivanovich Solomonov 1
Vladimir Ivanovich Solomonov
10.1070/MC2001v011n01ABEH001370
Published 2001-02-22
Communication , Volume 11, Issue 1, 19-21
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Mochulskaya N. N. et al. Intermolecular and intramolecular cycloaddition reactions of 1-ethyl-1,2,4-triazinium salts with alkynes // Mendeleev Communications. 2001. Vol. 11. No. 1. pp. 19-21.
GOST all authors (up to 50) Copy
Mochulskaya N. N., Andreiko A. A., Charushin V. N., Shulgin B. V., Raikov D. V., Solomonov V. I. Intermolecular and intramolecular cycloaddition reactions of 1-ethyl-1,2,4-triazinium salts with alkynes // Mendeleev Communications. 2001. Vol. 11. No. 1. pp. 19-21.
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TY - JOUR
DO - 10.1070/MC2001v011n01ABEH001370
UR - https://mendcomm.colab.ws/publications/10.1070/MC2001v011n01ABEH001370
TI - Intermolecular and intramolecular cycloaddition reactions of 1-ethyl-1,2,4-triazinium salts with alkynes
T2 - Mendeleev Communications
AU - Mochulskaya, Nataliya Nikolaevna
AU - Andreiko, Anatoly A
AU - Charushin, Valery Nikolaevich
AU - Shulgin, Boris Vladimirovich
AU - Raikov, Dmitry Vyacheslavovich
AU - Solomonov, Vladimir Ivanovich
PY - 2001
DA - 2001/02/22
PB - Mendeleev Communications
SP - 19-21
IS - 1
VL - 11
ER -
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@article{2001_Mochulskaya,
author = {Nataliya Nikolaevna Mochulskaya and Anatoly A Andreiko and Valery Nikolaevich Charushin and Boris Vladimirovich Shulgin and Dmitry Vyacheslavovich Raikov and Vladimir Ivanovich Solomonov},
title = {Intermolecular and intramolecular cycloaddition reactions of 1-ethyl-1,2,4-triazinium salts with alkynes},
journal = {Mendeleev Communications},
year = {2001},
volume = {11},
publisher = {Mendeleev Communications},
month = {Feb},
url = {https://mendcomm.colab.ws/publications/10.1070/MC2001v011n01ABEH001370},
number = {1},
pages = {19--21},
doi = {10.1070/MC2001v011n01ABEH001370}
}
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Mochulskaya, Nataliya Nikolaevna, et al. “Intermolecular and intramolecular cycloaddition reactions of 1-ethyl-1,2,4-triazinium salts with alkynes.” Mendeleev Communications, vol. 11, no. 1, Feb. 2001, pp. 19-21. https://mendcomm.colab.ws/publications/10.1070/MC2001v011n01ABEH001370.

Abstract

Azomethyne ylides generated from 3-alkylthio substituted 1-alkyl-5-aryl-1,2,4-triazinium salts 4a–c on treatment with triethylamine undergo 1,3-dipolar cycloaddition with dimethyl acetylenedicarboxylate to give pyrrolo[2,1-f] [1,2,4]triazines, while 1-ethyl-5- phenyl-1,2,4-triazinium salts 1a,b bearing the C≡C bond in the side-chain 3-alkynylthio substituent react with acetylenes to undergo either intermolecular 1,3-dipolar cycloaddition or intramolecular inverse electron demand Diels–Alder reactions.

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