, volume 49 , issue 1 , pages 62-65

6-endo-dig Cyclization of heteroarylesters to alkynes promoted by Lewis acid catalyst in the presence of Brønsted acid

Malik Hellal ¹

Jean-Jacques Bourguignon ¹

Frederic Bihel ¹

Hide authors affiliations Show authors affiliations: 1 affiliation

Département Pharmacochimie de la Communication Cellulaire, Institut Gilbert-Laustriat UMR 7175 CNRS, Université-Strasbourg I, Faculté de Pharmacie, 74 Route du Rhin, BP 60024, 67401 Illkirch Cedex, France |

Publication type: Journal Article

Publication date: 2008-01-01

Elsevier

Tetrahedron Letters

scimago Q3

wos Q3

SJR: 0.334

CiteScore: 3.2

Impact factor: 1.5

ISSN: 00404039, 18733581

DOI: 10.1016/j.tetlet.2007.11.020

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Organic Chemistry

Drug Discovery

Biochemistry

Abstract

We report a regiocontrolled 6-endo-dig cyclization of 2-(2-arylethynyl)heteroaryl esters occurred under Bronsted acidic conditions and in the presence of a catalytic amount of Lewis acids such as Cu(OTf)2, AuCl3, or (CF3CO2)Ag. A variety of heterocyclic lactones are readily prepared in excellent yields.

Found

1 citation

Loginov Dmitry

🥼

DSc in Chemistry

126 publications, 1 795 citations, 36 reviews

h-index: 25

A.N.Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences

Research interests

Catalysis

Coordination Chemistry

Organic Chemistry

Organic synthesis

Organometallic Chemistry

Photonics

1 citation

Arsenov Mikhail

13 publications, 125 citations

h-index: 7

A.N.Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences

Research interests

Asymmetric metal complex catalysis

Catalysis

Organic Chemistry

Organoelement chemistry

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Hellal M., Bourguignon J., Bihel F. 6-endo-dig Cyclization of heteroarylesters to alkynes promoted by Lewis acid catalyst in the presence of Brønsted acid // Tetrahedron Letters. 2008. Vol. 49. No. 1. pp. 62-65.

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RIS |

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RIS Copy

TY - JOUR

DO - 10.1016/j.tetlet.2007.11.020

UR - https://doi.org/10.1016/j.tetlet.2007.11.020

TI - 6-endo-dig Cyclization of heteroarylesters to alkynes promoted by Lewis acid catalyst in the presence of Brønsted acid

T2 - Tetrahedron Letters

AU - Hellal, Malik

AU - Bourguignon, Jean-Jacques

AU - Bihel, Frederic

PY - 2008

DA - 2008/01/01

PB - Elsevier

SP - 62-65

IS - 1

VL - 49

SN - 0040-4039

SN - 1873-3581

ER -

BibTex |

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BibTex (up to 50 authors) Copy

@article{2008_Hellal,

author = {Malik Hellal and Jean-Jacques Bourguignon and Frederic Bihel},

title = {6-endo-dig Cyclization of heteroarylesters to alkynes promoted by Lewis acid catalyst in the presence of Brønsted acid},

journal = {Tetrahedron Letters},

year = {2008},

volume = {49},

publisher = {Elsevier},

month = {jan},

url = {https://doi.org/10.1016/j.tetlet.2007.11.020},

number = {1},

pages = {62--65},

doi = {10.1016/j.tetlet.2007.11.020}

}

MLA

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MLA Copy

Hellal, Malik, et al. “6-endo-dig Cyclization of heteroarylesters to alkynes promoted by Lewis acid catalyst in the presence of Brønsted acid.” Tetrahedron Letters, vol. 49, no. 1, Jan. 2008, pp. 62-65. https://doi.org/10.1016/j.tetlet.2007.11.020.

Publisher

Elsevier

Journal

Tetrahedron Letters

scimago Q3

wos Q3

SJR

0.334

CiteScore

3.2

Impact factor

1.5

ISSN

00404039 (Print)

18733581 (Electronic)