Ethyl vinyl ether - An agent for protection of the pyrazole NH-fragment. A convenient method for the preparation of N-unsubstituted 4-alkynylpyrazoles

Sergei F. Vasilevsky, Svetlana V. Klyatskaya, Eugene V. Tretyakov, José Elguero

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

N-Unsubstituted 4-iodopyrazole (1) is easily converted into 4-alkynyl derivatives (5) in moderate to good overall yields by using intermediate protection of the nitrogen atom of the pyrazole ring by ethyl vinyl ether.

Original languageEnglish
Pages (from-to)879-886
Number of pages8
JournalHeterocycles
Volume60
Issue number4
Publication statusPublished - 1 Apr 2003
Externally publishedYes

Fingerprint

Nitrogen
Derivatives
Atoms
ethyl vinyl ether
pyrazole
4-iodopyrazole

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmacology
  • Organic Chemistry

Cite this

Ethyl vinyl ether - An agent for protection of the pyrazole NH-fragment. A convenient method for the preparation of N-unsubstituted 4-alkynylpyrazoles. / Vasilevsky, Sergei F.; Klyatskaya, Svetlana V.; Tretyakov, Eugene V.; Elguero, José.

In: Heterocycles, Vol. 60, No. 4, 01.04.2003, p. 879-886.

Research output: Contribution to journalArticle

@article{9c674547cb864ecba3a2f723ffb521d1,
title = "Ethyl vinyl ether - An agent for protection of the pyrazole NH-fragment. A convenient method for the preparation of N-unsubstituted 4-alkynylpyrazoles",
abstract = "N-Unsubstituted 4-iodopyrazole (1) is easily converted into 4-alkynyl derivatives (5) in moderate to good overall yields by using intermediate protection of the nitrogen atom of the pyrazole ring by ethyl vinyl ether.",
author = "Vasilevsky, {Sergei F.} and Klyatskaya, {Svetlana V.} and Tretyakov, {Eugene V.} and Jos{\'e} Elguero",
year = "2003",
month = "4",
day = "1",
language = "English",
volume = "60",
pages = "879--886",
journal = "Heterocycles",
issn = "0385-5414",
publisher = "Japan Institute of Heterocyclic Chemistry",
number = "4",

}

TY - JOUR

T1 - Ethyl vinyl ether - An agent for protection of the pyrazole NH-fragment. A convenient method for the preparation of N-unsubstituted 4-alkynylpyrazoles

AU - Vasilevsky, Sergei F.

AU - Klyatskaya, Svetlana V.

AU - Tretyakov, Eugene V.

AU - Elguero, José

PY - 2003/4/1

Y1 - 2003/4/1

N2 - N-Unsubstituted 4-iodopyrazole (1) is easily converted into 4-alkynyl derivatives (5) in moderate to good overall yields by using intermediate protection of the nitrogen atom of the pyrazole ring by ethyl vinyl ether.

AB - N-Unsubstituted 4-iodopyrazole (1) is easily converted into 4-alkynyl derivatives (5) in moderate to good overall yields by using intermediate protection of the nitrogen atom of the pyrazole ring by ethyl vinyl ether.

UR - http://www.scopus.com/inward/record.url?scp=0037388304&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0037388304&partnerID=8YFLogxK

M3 - Article

VL - 60

SP - 879

EP - 886

JO - Heterocycles

JF - Heterocycles

SN - 0385-5414

IS - 4

ER -