Synthesis and X-ray study of 6H-chromeno[3,4-e][1,3,4]triazolo[2,3-a]pyrimidine


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Abstract

2-Dimethylamino methylenechromanone 1 reacted with 4H-1,2,4-triazol-3-amine in acetic acid to give only one isolated product which was identified by X-ray study as 6H-chromeno[3,4-e][1,3,4]triazolo[2,3-a]-pyrimidine. The molecular structure of 3, C12H8N4O, was determined to be monoclinic, P21/c, a = 16.3875(5), b = 8.8378(3), c = 13.8392(5) Å, β = 101.190(1)°, V = 1966.22(11) Å3, Z = 8.

About the authors

A. E. Amr

Pharmaceutical Chemistry Department, College of Pharmacy, Drug Exploration & Development Chair (DEDC); Applied Organic Chemistry Department

Author for correspondence.
Email: aeamr1963@yahoo.com
Saudi Arabia, Riyadh, 11451; Dokki, Giza, 12622

N. A. A. Hafez

Applied Organic Chemistry Department

Email: aeamr1963@yahoo.com
Egypt, Dokki, Giza, 12622

K. A. Ali

Applied Organic Chemistry Department

Email: aeamr1963@yahoo.com
Egypt, Dokki, Giza, 12622

M. A. Al-Omar

Pharmaceutical Chemistry Department, College of Pharmacy, Drug Exploration & Development Chair (DEDC); Chemistry Department, College of Women for Arts, Science and Education

Email: aeamr1963@yahoo.com
Saudi Arabia, Riyadh, 11451; Heliopolis, Cairo, 11757

H. A. Ghabbour

Chemistry Department, College of Women for Arts, Science and Education; Department of Medicinal Chemistry, Faculty of Pharmacy

Email: aeamr1963@yahoo.com
Egypt, Heliopolis, Cairo, 11757; Mansoura, 35516


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