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The 27th ISHC Congress will be held in Kyoto, Japan September from 1 to 6, 2019 at ROHM Theatre Kyoto & Miyakomesse.
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January 17, 2019
HETEROCYCLES Special Issue Vol. 101 in honor of Professor Kaoru Fuji on 80th Birthday

On the occasion of Professor Kaoru Fuji's 80th birthday, we are planning to publish a special anniversary issue on January 1, 2020 as Vol. 101. Authors are invited to submit their work to this topical issue.
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Editorial Office of HETEROCYCLES
December 5, 2018
Teruaki Mukaiyama (1927-2018)

Professor Teruaki Mukaiyama,
a member of the Honorary Editorial Associates of HETEROCYCLES,
has passed away on November 17, 2018 at the age of 91.
I deeply express my regret over his death.
Kunio Ogasawara
Editor
November 28, 2018
HETEROCYCLES is pleased to announce Heterocycles Award.
In recognition of an outstanding oral presentation at the 48th Congress of Heterocyclic Chemistry
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November 20, 2018
HETEROCYCLES Special Issue Vol. 99 in honor of Professor Tohru Fukuyama on 70th Birthday

Submission deadline: September 10, 2018
On the occasion of Professor Tohru Fukuyama's 70th birthday, HETEROCYCLES editorial office is planning to publish special anniversary issue on April 1, 2019 as Vol. 99. Authors are invited to submit their work to this topical issue.
Authors wishing to submit their manuscript should contact editorial office via e-mail by the end of May, 2018. Manuscript should reach the editorial office no later than September 10, 2018.
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■ Studies on the Chemical Behavior of the Novel 6,8-Dibromo-7-hydroxychromone-3-carboxaldehyde towards Some Carbon Nucleophilic Reagents
Magdy A. Ibrahim,* Tarik E. Ali, Azza M. El-Kazak, and Amira M. Mohamed
*Department of Chemistry, Faculty of Education, Ain Shams University, Roxy, Cairo 11711, Egypt
Abstract
A novel 6,8-dibromo-7-hydroxychromone-3-carboxaldehyde (4) was prepared by the Vilsemier-Haack formylation of 3,5-dibromo-2,4-dihydroxy acetophenone (3). The chemical reactivity of carboxaldehyde 4 was studied towards some carbon nucleophiles as cyclic and acyclic active methylene nucleophiles and also 1,3-C,N- and 1,3-C,C-binucleophiles as a route to achieve ring transformation to produce a variety of heterocyclic systems. Structures of the newly synthesized products have been deduced on the basis of elemental analysis and spectral data.
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