Studies on quinones: Part 30. Synthesis of benzo[b]thiophene-4,7- quinones

Article abstract of DOI:10.1080/00397919708006822

The synthesis of a variety of benzo[b]thiophene-4,7-quinones (4a-f) by oxidative demethylation of the corresponding 4,7-dimethoxybenzo[b]thiophenes (3a-f) with cerium (IV) ammonium nitrate is reported. Heterocycles (3a,b) were prepared by cyclization of t

Full text of DOI:10.1080/00397919708006822

This article was downloaded by: [University of South Florida]
On: 29 April 2013, At: 19:45
Publisher: Taylor & Francis
Informa Ltd Registered in England and Wales Registered Number: 1072954
Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH,
UK
Synthetic Communications: An
International Journal for Rapid
Communication of Synthetic
Organic Chemistry
Publication details, including instructions for
authors and subscription information:
http://www.tandfonline.com/loi/lsyc20
Studies on Quinones.
Part 30. Synthesis of
Benzo[b]thiophene-4, 7-
Quinones
Jaime A. Valderrama a & Claudio Valderrama a
a Facultad de Química, Pontificia Universidad
Católica de Chile, Casilla 306, Santiago, 22, Chile E-
mail:
Published online: 22 Aug 2006.
To cite this article: Jaime A. Valderrama & Claudio Valderrama (1997): Studies
on Quinones. Part 30. Synthesis of Benzo[b]thiophene-4, 7-Quinones, Synthetic
Communications: An International Journal for Rapid Communication of Synthetic
Organic Chemistry, 27:12, 2143-2157
To link to this article: http://dx.doi.org/10.1080/00397919708006822
PLEASE SCROLL DOWN FOR ARTICLE
Full terms and conditions of use: http://www.tandfonline.com/page/terms-
and-conditions
This article may be used for research, teaching, and private study purposes.
Any substantial or systematic reproduction, redistribution, reselling, loan,
sub-licensing, systematic supply, or distribution in any form to anyone is
expressly forbidden.

The publisher does not give any warranty express or implied or make any
representation that the contents will be complete or accurate or up to
date. The accuracy of any instructions, formulae, and drug doses should be
independently verified with primary sources. The publisher shall not be liable
for any loss, actions, claims, proceedings, demand, or costs or damages
whatsoever or howsoever caused arising directly or indirectly in connection
with or arising out of the use of this material.